/**
 * jExcel v4.5.0
 *
 * Website: https://bossanova.uk/jexcel/
 * Description: Create amazing web based spreadsheets.
 *
 * This software is distribute under MIT License
 */

if (! jSuites && typeof(require) === 'function') {
    var jSuites = require('jsuites');
    require('jsuites/dist/jsuites.css');
}

;(function (global, factory) {
    typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
    typeof define === 'function' && define.amd ? define(factory) :
    global.jexcel = factory();
}(this, (function () {

    'use strict';

    // Jexcel core object

    var jexcel = (function(el, options) {
        // Create jexcel object
        var obj = {};
        obj.options = {};

        if (! (el instanceof Element || el instanceof HTMLDocument)) {
            console.error('JEXCEL: el is not a valid DOM element');
            return false;
        } else if (el.tagName == 'TABLE') {
            if (options = jexcel.createFromTable(el, options)) {
                var div = document.createElement('div');
                el.parentNode.insertBefore(div, el);
                el.remove();
                el = div;
            } else {
                console.error('JEXCEL: el is not a valid DOM element');
                return false;
            }
        }

        // Loading default configuration
        var defaults = {
            // External data
            url:null,
            // Ajax options
            method: 'GET',
            requestVariables: null,
            // Data
            data:null,
            // Custom sorting handler
            sorting:null,
            // Copy behavior
            copyCompatibility:false,
            root:null,
            // Rows and columns definitions
            rows:[],
            columns:[],
            // Deprected legacy options
            colHeaders:[],
            colWidths:[],
            colAlignments:[],
            nestedHeaders:null,
            // Column width that is used by default
            defaultColWidth:50,
            defaultColAlign:'center',
            // Spare rows and columns
            minSpareRows:0,
            minSpareCols:0,
            // Minimal table dimensions
            minDimensions:[0,0],
            // Allow Export
            allowExport:true,
            // @type {boolean} - Include the header titles on download
            includeHeadersOnDownload:false,
            // @type {boolean} - Include the header titles on copy
            includeHeadersOnCopy:false,
            // Allow column sorting
            columnSorting:true,
            // Allow column dragging
            columnDrag:false,
            // Allow column resizing
            columnResize:true,
            // Allow row resizing
            rowResize:false,
            // Allow row dragging
            rowDrag:true,
            // Allow table edition
            editable:true,
            // Allow new rows
            allowInsertRow:true,
            // Allow new rows
            allowManualInsertRow:true,
            // Allow new columns
            allowInsertColumn:true,
            // Allow new rows
            allowManualInsertColumn:true,
            // Allow row delete
            allowDeleteRow:true,
            // Allow deleting of all rows
            allowDeletingAllRows:false,
            // Allow column delete
            allowDeleteColumn:true,
            // Allow rename column
            allowRenameColumn:true,
            // Allow comments
            allowComments:false,
            // Global wrap
            wordWrap:false,
            // Image options
            imageOptions: null,
            // CSV source
            csv:null,
            // Filename
            csvFileName:'jexcel',
            // Consider first line as header
            csvHeaders:true,
            // Delimiters
            csvDelimiter:',',
            // First row as header
            parseTableFirstRowAsHeader:false,
            parseTableAutoCellType:false,
            // Disable corner selection
            selectionCopy:true,
            // Merged cells
            mergeCells:{},
            // Create toolbar
            toolbar:null,
            // Allow search
            search:false,
            // Create pagination
            pagination:false,
            paginationOptions:null,
            // Full screen
            fullscreen:false,
            // Lazy loading
            lazyLoading:false,
            loadingSpin:false,
            // Table overflow
            tableOverflow:false,
            tableHeight:'300px',
            tableWidth:null,
            textOverflow:false,
            // Meta
            meta: null,
            // Style
            style:null,
            // Execute formulas
            parseFormulas:true,
            autoIncrement:true,
            autoCasting:true,
            // Security
            secureFormulas:true,
            stripHTML:true,
            stripHTMLOnCopy:false,
            // Filters
            filters:false,
            footers:null,
            // Event handles
            onundo:null,
            onredo:null,
            onload:null,
            onchange:null,
            oncomments:null,
            onbeforechange:null,
            onafterchanges:null,
            onbeforeinsertrow: null,
            oninsertrow:null,
            onbeforeinsertcolumn: null,
            oninsertcolumn:null,
            onbeforedeleterow:null,
            ondeleterow:null,
            onbeforedeletecolumn:null,
            ondeletecolumn:null,
            onmoverow:null,
            onmovecolumn:null,
            onresizerow:null,
            onresizecolumn:null,
            onsort:null,
            onselection:null,
            oncopy:null,
            onpaste:null,
            onbeforepaste:null,
            onmerge:null,
            onfocus:null,
            onblur:null,
            onchangeheader:null,
            oncreateeditor:null,
            oneditionstart:null,
            oneditionend:null,
            onchangestyle:null,
            onchangemeta:null,
            onchangepage:null,
            onbeforesave:null,
            onsave:null,
            // Global event dispatcher
            onevent:null,
            // Persistance
            persistance:false,
            // Customize any cell behavior
            updateTable:null,
            // Detach the HTML table when calling updateTable
            detachForUpdates: false,
            freezeColumns:null,
            // Texts
            text:{
                noRecordsFound: 'No records found',
                showingPage: 'Showing page {0} of {1} entries',
                show: 'Show ',
                search: 'Search',
                entries: ' entries',
                columnName: 'Column name',
                insertANewColumnBefore: 'Insert a new column before',
                insertANewColumnAfter: 'Insert a new column after',
                deleteSelectedColumns: 'Delete selected columns',
                renameThisColumn: 'Rename this column',
                orderAscending: 'Order ascending',
                orderDescending: 'Order descending',
                insertANewRowBefore: 'Insert a new row before',
                insertANewRowAfter: 'Insert a new row after',
                deleteSelectedRows: 'Delete selected rows',
                editComments: 'Edit comments',
                addComments: 'Add comments',
                comments: 'Comments',
                clearComments: 'Clear comments',
                copy: 'Copy...',
                paste: 'Paste...',
                saveAs: 'Save as...',
                about: 'About',
                areYouSureToDeleteTheSelectedRows: 'Are you sure to delete the selected rows?',
                areYouSureToDeleteTheSelectedColumns: 'Are you sure to delete the selected columns?',
                thisActionWillDestroyAnyExistingMergedCellsAreYouSure: 'This action will destroy any existing merged cells. Are you sure?',
                thisActionWillClearYourSearchResultsAreYouSure: 'This action will clear your search results. Are you sure?',
                thereIsAConflictWithAnotherMergedCell: 'There is a conflict with another merged cell',
                invalidMergeProperties: 'Invalid merged properties',
                cellAlreadyMerged: 'Cell already merged',
                noCellsSelected: 'No cells selected',
            },
            // About message
            about:"jExcel CE Spreadsheet\nVersion 4.5.0\nWebsite: https://bossanova.uk/jexcel/v3",
        };
    
        // Loading initial configuration from user
        for (var property in defaults) {
            if (options && options.hasOwnProperty(property)) {
                if (property === 'text') {
                    obj.options[property] = defaults[property];
                    for (var textKey in options[property]) {
                        if (options[property].hasOwnProperty(textKey)){
                            obj.options[property][textKey] = options[property][textKey];
                        }
                    }
                } else {
                    obj.options[property] = options[property];
                }
            } else {
                obj.options[property] = defaults[property];
            }
        }

        // Global elements
        obj.el = el;
        obj.corner = null;
        obj.contextMenu = null;
        obj.textarea = null;
        obj.ads = null;
        obj.content = null;
        obj.table = null;
        obj.thead = null;
        obj.tbody = null;
        obj.rows = [];
        obj.results = null;
        obj.searchInput = null;
        obj.toolbar = null;
        obj.pagination = null;
        obj.pageNumber = null;
        obj.headerContainer = null;
        obj.colgroupContainer = null;
    
        // Containers
        obj.headers = [];
        obj.records = [];
        obj.history = [];
        obj.formula = [];
        obj.colgroup = [];
        obj.selection = [];
        obj.highlighted  = [];
        obj.selectedCell = null;
        obj.selectedContainer = null;
        obj.style = [];
        obj.data = null;
        obj.filter = null;
        obj.filters = [];

        // Internal controllers
        obj.cursor = null;
        obj.historyIndex = -1;
        obj.ignoreEvents = false;
        obj.ignoreHistory = false;
        obj.edition = null;
        obj.hashString = null;
        obj.resizing = null;
        obj.dragging = null;
    
        // Lazy loading
        if (obj.options.lazyLoading == true && (obj.options.tableOverflow == false && obj.options.fullscreen == false)) {
            console.error('JEXCEL: The lazyloading only works when tableOverflow = yes or fullscreen = yes');
            obj.options.lazyLoading = false;
        }
        
        /**
         * Activate/Disable fullscreen 
         * use programmatically : table.fullscreen(); or table.fullscreen(true); or table.fullscreen(false);
         * @Param {boolean} activate
         */
        obj.fullscreen = function(activate) {
            // If activate not defined, get reverse options.fullscreen
            if (activate == null) {
                activate = ! obj.options.fullscreen;
            }
    
            // If change
            if (obj.options.fullscreen != activate) {
                obj.options.fullscreen = activate;
    
                // Test LazyLoading conflict
                if (activate == true) {
                    el.classList.add('fullscreen');
                } else {
                    el.classList.remove('fullscreen');
                }
            } 
        }

        /**
         * Trigger events
         */
        obj.dispatch = function(event) {
            // Dispatch events
            if (! obj.ignoreEvents) {
                // Call global event
                if (typeof(obj.options.onevent) == 'function') {
                    var ret = obj.options.onevent.apply(this, arguments);
                }
                // Call specific events
                if (typeof(obj.options[event]) == 'function') {
                    var ret = obj.options[event].apply(this, Array.prototype.slice.call(arguments, 1));
                }
            }

            // Persistance
            if (event == 'onafterchanges' && obj.options.persistance) {
                var url = obj.options.persistance == true ? obj.options.url : obj.options.persistance;
                var data = obj.prepareJson(arguments[2]);
                obj.save(url, data);
            }

            return ret;
        }

        /**
         * Prepare the jexcel table
         * 
         * @Param config
         */
        obj.prepareTable = function() {
            // Loading initial data from remote sources
            var results = [];
    
            // Number of columns
            var size = obj.options.columns.length;
    
            if (obj.options.data && typeof(obj.options.data[0]) !== 'undefined') {
                // Data keys
                var keys = Object.keys(obj.options.data[0]);
    
                if (keys.length > size) {
                    size = keys.length;
                }
            }
    
            // Minimal dimensions
            if (obj.options.minDimensions[0] > size) {
                size = obj.options.minDimensions[0];
            }
    
            // Requests
            var multiple = [];
    
            // Preparations
            for (var i = 0; i < size; i++) {
                // Deprected options. You should use only columns
                if (! obj.options.colHeaders[i]) {
                    obj.options.colHeaders[i] = '';
                }
                if (! obj.options.colWidths[i]) {
                    obj.options.colWidths[i] = obj.options.defaultColWidth;
                }
                if (! obj.options.colAlignments[i]) {
                    obj.options.colAlignments[i] = obj.options.defaultColAlign;
                }
    
                // Default column description
                if (! obj.options.columns[i]) {
                    obj.options.columns[i] = { type:'text' };
                } else if (! obj.options.columns[i].type) {
                    obj.options.columns[i].type = 'text';
                }
                if (! obj.options.columns[i].name) {
                    obj.options.columns[i].name = keys && keys[i] ? keys[i] : i;
                }
                if (! obj.options.columns[i].source) {
                    obj.options.columns[i].source = [];
                }
                if (! obj.options.columns[i].options) {
                    obj.options.columns[i].options = [];
                }
                if (! obj.options.columns[i].editor) {
                    obj.options.columns[i].editor = null;
                }
                if (! obj.options.columns[i].allowEmpty) {
                    obj.options.columns[i].allowEmpty = false;
                }
                if (! obj.options.columns[i].title) {
                    obj.options.columns[i].title = obj.options.colHeaders[i] ? obj.options.colHeaders[i] : '';
                }
                if (! obj.options.columns[i].width) {
                    obj.options.columns[i].width = obj.options.colWidths[i] ? obj.options.colWidths[i] : obj.options.defaultColWidth;
                }
                if (! obj.options.columns[i].align) {
                    obj.options.columns[i].align = obj.options.colAlignments[i] ? obj.options.colAlignments[i] : 'center';
                }
    
                // Pre-load initial source for json autocomplete
                if (obj.options.columns[i].type == 'autocomplete' || obj.options.columns[i].type == 'dropdown') {
                    // if remote content
                    if (obj.options.columns[i].url) {
                        multiple.push({
                            url: obj.options.columns[i].url,
                            index: i,
                            method: 'GET',
                            dataType: 'json',
                            success: function(data) {
                                var source = [];
                                for (var i = 0; i < data.length; i++) {
                                    obj.options.columns[this.index].source.push(data[i]);
                                }
                            }
                        });
                    }
                } else if (obj.options.columns[i].type == 'calendar') {
                    // Default format for date columns
                    if (! obj.options.columns[i].options.format) {
                        obj.options.columns[i].options.format = 'DD/MM/YYYY';
                    }
                }
            }
            // Create the table when is ready
            if (! multiple.length) {
                obj.createTable();
            } else {
                jSuites.ajax(multiple, function() {
                    obj.createTable();
                });
            }
        }
    
        obj.createTable = function() {
            // Elements
            obj.table = document.createElement('table');
            obj.thead = document.createElement('thead');
            obj.tbody = document.createElement('tbody');

            // Create headers controllers
            obj.headers = [];
            obj.colgroup = [];
    
            // Create table container
            obj.content = document.createElement('div');
            obj.content.classList.add('jexcel_content');
            obj.content.onscroll = function(e) {
                obj.scrollControls(e);
            }
            obj.content.onwheel = function(e) {
                obj.wheelControls(e);
            }

            // Create toolbar object
            obj.toolbar = document.createElement('div');
            obj.toolbar.classList.add('jexcel_toolbar');
    
            // Search
            var searchContainer = document.createElement('div');
            var searchText = document.createTextNode((obj.options.text.search) + ': ');
            obj.searchInput = document.createElement('input');
            obj.searchInput.classList.add('jexcel_search');
            searchContainer.appendChild(searchText);
            searchContainer.appendChild(obj.searchInput);
            obj.searchInput.onfocus = function() {
                obj.resetSelection();
            }
    
            // Pagination select option
            var paginationUpdateContainer = document.createElement('div');
    
            if (obj.options.pagination > 0 && obj.options.paginationOptions && obj.options.paginationOptions.length > 0) {
                obj.paginationDropdown = document.createElement('select');
                obj.paginationDropdown.classList.add('jexcel_pagination_dropdown');
                obj.paginationDropdown.onchange = function() {
                    obj.options.pagination = parseInt(this.value);
                    obj.page(0);
                }
    
                for (var i = 0; i < obj.options.paginationOptions.length; i++) {
                    var temp = document.createElement('option');
                    temp.value = obj.options.paginationOptions[i];
                    temp.innerHTML = obj.options.paginationOptions[i];
                    obj.paginationDropdown.appendChild(temp);
                }
    
                // Set initial pagination value
                obj.paginationDropdown.value = obj.options.pagination;

                paginationUpdateContainer.appendChild(document.createTextNode(obj.options.text.show));
                paginationUpdateContainer.appendChild(obj.paginationDropdown);
                paginationUpdateContainer.appendChild(document.createTextNode(obj.options.text.entries));
            }
    
            // Filter and pagination container
            var filter = document.createElement('div');
            filter.classList.add('jexcel_filter');
            filter.appendChild(paginationUpdateContainer);
            filter.appendChild(searchContainer);
    
            // Colsgroup
            obj.colgroupContainer = document.createElement('colgroup');
            var tempCol = document.createElement('col');
            tempCol.setAttribute('width', '50');
            obj.colgroupContainer.appendChild(tempCol);
    
            // Nested
            if (obj.options.nestedHeaders && obj.options.nestedHeaders.length > 0) {
                // Flexible way to handle nestedheaders
                if (obj.options.nestedHeaders[0] && obj.options.nestedHeaders[0][0]) {
                    for (var j = 0; j < obj.options.nestedHeaders.length; j++) {
                        obj.thead.appendChild(obj.createNestedHeader(obj.options.nestedHeaders[j]));
                    }
                } else {
                    obj.thead.appendChild(obj.createNestedHeader(obj.options.nestedHeaders));
                }
            }
    
            // Row
            obj.headerContainer = document.createElement('tr');
            var tempCol = document.createElement('td');
            tempCol.classList.add('jexcel_selectall');
            obj.headerContainer.appendChild(tempCol);
    
            for (var i = 0; i < obj.options.columns.length; i++) {
                // Create header
                obj.createCellHeader(i);
                // Append cell to the container
                obj.headerContainer.appendChild(obj.headers[i]);
                obj.colgroupContainer.appendChild(obj.colgroup[i]);
            }

            obj.thead.appendChild(obj.headerContainer);

            // Filters
            if (obj.options.filters == true) {
                obj.filter = document.createElement('tr');
                var td = document.createElement('td');
                obj.filter.appendChild(td);

                for (var i = 0; i < obj.options.columns.length; i++) {
                    var td = document.createElement('td');
                    td.innerHTML = '&nbsp;';
                    td.setAttribute('data-x', i);
                    td.className = 'jexcel_column_filter';
                    if (obj.options.columns[i].type == 'hidden') {
                        td.style.display = 'none';
                    }
                    obj.filter.appendChild(td);
                }

                obj.thead.appendChild(obj.filter);
            }

            // Content table
            obj.table = document.createElement('table');
            obj.table.classList.add('jexcel');
            obj.table.setAttribute('cellpadding', '0');
            obj.table.setAttribute('cellspacing', '0');
            obj.table.setAttribute('unselectable', 'yes');
            //obj.table.setAttribute('onselectstart', 'return false');
            obj.table.appendChild(obj.colgroupContainer);
            obj.table.appendChild(obj.thead);
            obj.table.appendChild(obj.tbody);

            if (! obj.options.textOverflow) {
                obj.table.classList.add('jexcel_overflow');
            }

            // Spreadsheet corner
            obj.corner = document.createElement('div');
            obj.corner.className = 'jexcel_corner';
            obj.corner.setAttribute('unselectable', 'on');
            obj.corner.setAttribute('onselectstart', 'return false');
    
            if (obj.options.selectionCopy == false) {
                obj.corner.style.display = 'none';
            }
    
            // Textarea helper
            obj.textarea = document.createElement('textarea');
            obj.textarea.className = 'jexcel_textarea';
            obj.textarea.id = 'jexcel_textarea';
            obj.textarea.tabIndex = '-1';

            // Contextmenu container
            obj.contextMenu = document.createElement('div');
            obj.contextMenu.className = 'jexcel_contextmenu';
    
            // Create element
            jSuites.contextmenu(obj.contextMenu, {
                onclick:function() {
                    obj.contextMenu.contextmenu.close(false);
                }
            });
    
            // Powered by jExcel
            var ads = document.createElement('a');
            ads.setAttribute('href', 'https://bossanova.uk/jexcel/');
            obj.ads = document.createElement('div');
            obj.ads.className = 'jexcel_about';
            try {
                if (typeof(sessionStorage) !== "undefined" && ! sessionStorage.getItem('jexcel')) {
                    sessionStorage.setItem('jexcel', true);
                    var img = document.createElement('img');
                    img.src = '//bossanova.uk/jexcel/logo.png';
                    ads.appendChild(img);
                }
            } catch (exception) {
            }
            var span = document.createElement('span');
            span.innerHTML = 'Jexcel spreadsheet';
            ads.appendChild(span);
            obj.ads.appendChild(ads);

            // Create table container TODO: frozen columns
            var container = document.createElement('div');
            container.classList.add('jexcel_table');
    
            // Pagination
            obj.pagination = document.createElement('div');
            obj.pagination.classList.add('jexcel_pagination');
            var paginationInfo = document.createElement('div');
            var paginationPages = document.createElement('div');
            obj.pagination.appendChild(paginationInfo);
            obj.pagination.appendChild(paginationPages);

            // Hide pagination if not in use
            if (! obj.options.pagination) {
                obj.pagination.style.display = 'none';
            }

            // Append containers to the table
            if (obj.options.search == true) {
                el.appendChild(filter);
            }
    
            // Elements
            obj.content.appendChild(obj.table);
            obj.content.appendChild(obj.corner);
            obj.content.appendChild(obj.textarea);
    
            el.appendChild(obj.toolbar);
            el.appendChild(obj.content);
            el.appendChild(obj.pagination);
            el.appendChild(obj.contextMenu);
            el.appendChild(obj.ads);
            el.classList.add('jexcel_container');
    
            // Create toolbar
            if (obj.options.toolbar && obj.options.toolbar.length) {
                obj.createToolbar();
            }
    
            // Fullscreen
            if (obj.options.fullscreen == true) {
                el.classList.add('fullscreen');
            } else {
                // Overflow
                if (obj.options.tableOverflow == true) {
                    if (obj.options.tableHeight) {
                        obj.content.style['overflow-y'] = 'auto';
                        obj.content.style.maxHeight = obj.options.tableHeight;
                    }
                    if (obj.options.tableWidth) {
                        obj.content.style['overflow-x'] = 'auto';
                        obj.content.style.width = obj.options.tableWidth;
                    }
                }
            }
    
            // With toolbars
            if (obj.options.tableOverflow != true && obj.options.toolbar) {
                el.classList.add('with-toolbar');
            }
    
            // Actions
            if (obj.options.columnDrag == true) {
                obj.thead.classList.add('draggable');
            }
            if (obj.options.columnResize == true) {
                obj.thead.classList.add('resizable');
            }
            if (obj.options.rowDrag == true) {
                obj.tbody.classList.add('draggable');
            }
            if (obj.options.rowResize == true) {
                obj.tbody.classList.add('resizable');
            }
    
            // Load data
            obj.setData();
    
            // Style
            if (obj.options.style) {
                obj.setStyle(obj.options.style, null, null, 1, 1);
            }
        }

        /**
         * Refresh the data
         * 
         * @return void
         */
        obj.refresh = function() {
            if (obj.options.url) {
                // Loading
                if (obj.options.loadingSpin == true) {
                    jSuites.loading.show();
                }
    
                jSuites.ajax({
                    url: obj.options.url,
                    method: obj.options.method,
                    data: obj.options.requestVariables,
                    dataType: 'json',
                    success: function(result) {
                        // Data
                        obj.options.data = (result.data) ? result.data : result;
                        // Prepare table
                        obj.setData();
                        // Hide spin
                        if (obj.options.loadingSpin == true) {
                            jSuites.loading.hide();
                        }
                    }
                });
            } else {
                obj.setData();
            }
        }

        /**
         * Set data
         * 
         * @param array data In case no data is sent, default is reloaded
         * @return void
         */
        obj.setData = function(data) {
            // Update data
            if (data) {
                if (typeof(data) == 'string') {
                    data = JSON.parse(data);
                }
    
                obj.options.data = data;
            }
    
            // Data
            if (! obj.options.data) {
                obj.options.data = [];
            }
    
            // Prepare data
            if (obj.options.data && obj.options.data[0]) {
                if (! Array.isArray(obj.options.data[0])) {
                    var data = [];
                    for (var j = 0; j < obj.options.data.length; j++) {
                        var row = [];
                        for (var i = 0; i < obj.options.columns.length; i++) {
                            row[i] = obj.options.data[j][obj.options.columns[i].name];
                        }
                        data.push(row);
                    }

                    obj.options.data = data;
                }
            }

            // Adjust minimal dimensions
            var j = 0;
            var i = 0;
            var size_i = obj.options.columns.length;
            var size_j = obj.options.data.length;
            var min_i = obj.options.minDimensions[0];
            var min_j = obj.options.minDimensions[1];
            var max_i = min_i > size_i ? min_i : size_i;
            var max_j = min_j > size_j ? min_j : size_j;
    
            for (j = 0; j < max_j; j++) {
                for (i = 0; i < max_i; i++) {
                    if (obj.options.data[j] == undefined) {
                        obj.options.data[j] = [];
                    }
    
                    if (obj.options.data[j][i] == undefined) {
                        obj.options.data[j][i] = '';
                    }
                }
            }
    
            // Reset containers
            obj.rows = [];
            obj.results = null;
            obj.records = [];
            obj.history = [];
    
            // Reset internal controllers
            obj.historyIndex = -1;
    
            // Reset data
            obj.tbody.innerHTML = '';
    
            // Lazy loading
            if (obj.options.lazyLoading == true) {
                // Load only 100 records
                var startNumber = 0
                var finalNumber = obj.options.data.length < 100 ? obj.options.data.length : 100;
    
                if (obj.options.pagination) {
                    obj.options.pagination = false;
                    console.error('JEXCEL: Pagination will be disable due the lazyLoading');
                }
            } else if (obj.options.pagination) {
                // Pagination
                if (! obj.pageNumber) {
                    obj.pageNumber = 0;
                }
                var quantityPerPage = obj.options.pagination;
                startNumber = (obj.options.pagination * obj.pageNumber);
                finalNumber = (obj.options.pagination * obj.pageNumber) + obj.options.pagination;
    
                if (obj.options.data.length < finalNumber) {
                    finalNumber = obj.options.data.length;
                }
            } else {
                var startNumber = 0;
                var finalNumber = obj.options.data.length;
            }
    
            // Append nodes to the HTML
            for (j = 0; j < obj.options.data.length; j++) {
                // Create row
                var tr = obj.createRow(j, obj.options.data[j]);
                // Append line to the table
                if (j >= startNumber && j < finalNumber) {
                    obj.tbody.appendChild(tr);
                }
            }
    
            if (obj.options.lazyLoading == true) {
                // Do not create pagination with lazyloading activated
            } else if (obj.options.pagination) {
                obj.updatePagination();
            }
    
            // Merge cells
            if (obj.options.mergeCells) {
                var keys = Object.keys(obj.options.mergeCells);
                for (var i = 0; i < keys.length; i++) {
                    var num = obj.options.mergeCells[keys[i]];
                    obj.setMerge(keys[i], num[0], num[1], 1);
                }
            }

            // Updata table with custom configurations if applicable
            obj.updateTable();

            // Onload
            obj.dispatch('onload', el, obj);
        }

        /**
         * Get the whole table data
         * 
         * @param bool get highlighted cells only
         * @return array data
         */
        obj.getData = function(highlighted, dataOnly) {
            // Control vars
            var dataset = [];
            var px = 0;
            var py = 0;

            // Data type
            var dataType = dataOnly == true || obj.options.copyCompatibility == false ? true : false;

            // Column and row length
            var x = obj.options.columns.length
            var y = obj.options.data.length
    
            // Go through the columns to get the data
            for (var j = 0; j < y; j++) {
                px = 0;
                for (var i = 0; i < x; i++) {
                    // Cell selected or fullset
                    if (! highlighted || obj.records[j][i].classList.contains('highlight')) {
                        // Get value
                        if (! dataset[py]) {
                            dataset[py] = [];
                        }
                        if (! dataType) {
                            dataset[py][px] = obj.records[j][i].innerHTML;
                        } else {
                            dataset[py][px] = obj.options.data[j][i];
                        }
                        px++;
                    }
                }
                if (px > 0) {
                    py++;
                }
           }
    
           return dataset;
        }

        /**
        * Get json data by row number
        *
        * @param integer row number
        * @return object
        */
        obj.getJsonRow = function(rowNumber) {
            var rowData = obj.options.data[rowNumber];
            var x = obj.options.columns.length

            var row = {};
            for (var i = 0; i < x; i++) {
                if (! obj.options.columns[i].name) {
                    obj.options.columns[i].name = i;
                }
                row[obj.options.columns[i].name] = rowData[i];
            }

            return row;
        }

        /**
         * Get the whole table data
         * 
         * @param bool highlighted cells only
         * @return string value
         */
        obj.getJson = function(highlighted) {
            // Control vars
            var data = [];
    
            // Column and row length
            var x = obj.options.columns.length
            var y = obj.options.data.length
    
            // Go through the columns to get the data
            for (var j = 0; j < y; j++) {
                var row = null;
                for (var i = 0; i < x; i++) {
                    if (! highlighted || obj.records[j][i].classList.contains('highlight')) {
                        if (row == null) {
                            row = {};
                        }
                        if (! obj.options.columns[i].name) {
                            obj.options.columns[i].name = i;
                        }
                        row[obj.options.columns[i].name] = obj.options.data[j][i];
                    }
                }
    
                if (row != null) {
                    data.push(row);
                }
           }
    
           return data;
        }

        /**
         * Prepare JSON in the correct format
         */
        obj.prepareJson = function(data) {
            var rows = [];
            for (var i = 0; i < data.length; i++) {
                var x = data[i].x;
                var y = data[i].y;
                var k = obj.options.columns[x].name ? obj.options.columns[x].name : x;

                // Create row
                if (! rows[y]) {
                    rows[y] = {
                        row: y,
                        data: {},
                    };
                }
                rows[y].data[k] = data[i].newValue;
            }

            // Filter rows
            return rows.filter(function (el) {
                return el != null;
            });
        }

        /**
         * Post json to a remote server
         */
        obj.save = function(url, data) {
            // Parse anything in the data before sending to the server
            var ret = obj.dispatch('onbeforesave', el, obj, data);
            if (ret) {
                var data = ret;
            } else {
                if (ret === false) {
                    return false;
                }
            }

            // Remove update
            jSuites.ajax({
                url: url,
                method: 'POST',
                dataType: 'json',
                data: { data: JSON.stringify(data) },
                success: function(result) {
                    // Event
                    obj.dispatch('onsave', el, obj, data);
                }
            });
        }

        /**
         * Get a row data by rowNumber
         */
        obj.getRowData = function(rowNumber) {
            return obj.options.data[rowNumber];
        }
    
        /**
         * Set a row data by rowNumber
         */
        obj.setRowData = function(rowNumber, data) {
            for (var i = 0; i < obj.headers.length; i++) {
                // Update cell
                var columnName = jexcel.getColumnNameFromId([ i, rowNumber ]);
                // Set value
                if (data[i] != null) {
                    obj.setValue(columnName, data[i]);
                }
            }
        }
    
        /**
         * Get a column data by columnNumber
         */
        obj.getColumnData = function(columnNumber) {
            var dataset = [];
            // Go through the rows to get the data
            for (var j = 0; j < obj.options.data.length; j++) {
                dataset.push(obj.options.data[j][columnNumber]);
            }
            return dataset;
        }
    
        /**
         * Set a column data by colNumber
         */
        obj.setColumnData = function(colNumber, data) {
            for (var j = 0; j < obj.rows.length; j++) {
                // Update cell
                var columnName = jexcel.getColumnNameFromId([ colNumber, j ]);
                // Set value
                if (data[j] != null) {
                    obj.setValue(columnName, data[j]);
                }
            }
        }
    
        /**
         * Create row
         */
        obj.createRow = function(j, data) {
            // Create container
            if (! obj.records[j]) {
                obj.records[j] = [];
            }
            // Default data
            if (! data) {
                var data = obj.options.data[j];
            }
            // New line of data to be append in the table
            obj.rows[j] = document.createElement('tr');
            obj.rows[j].setAttribute('data-y', j);
            // Index
            var index = null;
            // Definitions
            if (obj.options.rows[j]) {
                if (obj.options.rows[j].height) {
                    obj.rows[j].style.height = obj.options.rows[j].height;
                }
                if (obj.options.rows[j].title) {
                    index = obj.options.rows[j].title;
                }
            }
            if (! index) {
                index = parseInt(j + 1);
            }
            // Row number label
            var td = document.createElement('td');
            td.innerHTML = index;
            td.setAttribute('data-y', j);
            td.className = 'jexcel_row';
            obj.rows[j].appendChild(td);
    
            // Data columns
            for (var i = 0; i < obj.options.columns.length; i++) {
                // New column of data to be append in the line
                obj.records[j][i] = obj.createCell(i, j, data[i]);
                // Add column to the row
                obj.rows[j].appendChild(obj.records[j][i]);
            }
    
            // Add row to the table body
            return obj.rows[j];
        }
    
        obj.parseValue = function(i, j, value) {
            if ((''+value).substr(0,1) == '=' && obj.options.parseFormulas == true) {
                value = obj.executeFormula(value, i, j)
            }
            if (obj.options.columns[i].mask) {
                var decimal = obj.options.columns[i].decimal || '.';
                value = '' + jSuites.mask.run(value, obj.options.columns[i].mask, decimal);
            }

            return value;
        }

        /**
         * Create cell
         */
        obj.createCell = function(i, j, value) {
            // Create cell and properties
            var td = document.createElement('td');
            td.setAttribute('data-x', i);
            td.setAttribute('data-y', j);

            // Security
            if ((''+value).substr(0,1) == '=' && obj.options.secureFormulas == true) {
                var val = secureFormula(value);
                if (val != value) {
                    // Update the data container
                    value = val;
                }
            }

            // Custom column
            if (obj.options.columns[i].editor) {
                if (obj.options.stripHTML === false || obj.options.columns[i].stripHTML === false) {
                    td.innerHTML = value;
                } else {
                    td.innerText = value;
                }
                if (typeof(obj.options.columns[i].editor.createCell) == 'function') {
                    td = obj.options.columns[i].editor.createCell(td);
                }
            } else {
                // Hidden column
                if (obj.options.columns[i].type == 'hidden') {
                    td.style.display = 'none';
                    td.innerText = value;
                } else if (obj.options.columns[i].type == 'checkbox' || obj.options.columns[i].type == 'radio') {
                    // Create input
                    var element = document.createElement('input');
                    element.type = obj.options.columns[i].type;
                    element.name = 'c' + i;
                    element.checked = (value == 1 || value == true || value == 'true') ? true : false;
                    element.onclick = function() {
                        obj.setValue(td, this.checked);
                    }

                    if (obj.options.columns[i].readOnly == true || obj.options.editable == false) {
                        element.setAttribute('disabled', 'disabled');
                    }

                    // Append to the table
                    td.appendChild(element);
                    // Make sure the values are correct
                    obj.options.data[j][i] = element.checked;
                } else if (obj.options.columns[i].type == 'calendar') {
                    // Try formatted date
                    var formatted = jSuites.calendar.extractDateFromString(value, obj.options.columns[i].options.format);
                    // Create calendar cell
                    td.innerText = jSuites.calendar.getDateString(formatted ? formatted : value, obj.options.columns[i].options.format);
                } else if (obj.options.columns[i].type == 'dropdown' || obj.options.columns[i].type == 'autocomplete') {
                    // Create dropdown cell
                    td.classList.add('jexcel_dropdown');
                    td.innerText = obj.getDropDownValue(i, value);
                } else if (obj.options.columns[i].type == 'color') {
                    if (obj.options.columns[i].render == 'square') {
                        var color = document.createElement('div');
                        color.className = 'color';
                        color.style.backgroundColor = value;
                        td.appendChild(color);
                    } else {
                        td.style.color = value;
                        td.innerText = value;
                    }
                } else if (obj.options.columns[i].type == 'image') {
                    if (value && value.substr(0, 10) == 'data:image') {
                        var img = document.createElement('img');
                        img.src = value;
                        td.appendChild(img);
                    }
                } else {
                    if (obj.options.columns[i].type == 'html') {
                        td.innerHTML = stripScript(obj.parseValue(i, j, value));
                    } else {
                        if (obj.options.stripHTML === false || obj.options.columns[i].stripHTML === false) {
                            td.innerHTML = stripScript(obj.parseValue(i, j, value));
                        } else {
                            td.innerText = obj.parseValue(i, j, value);
                        }
                    }
                }
            }
    
            // Readonly
            if (obj.options.columns[i].readOnly == true) {
                td.className = 'readonly';
            }
    
            // Text align
            var colAlign = obj.options.columns[i].align ? obj.options.columns[i].align : 'center';
            td.style.textAlign = colAlign;
    
            // Wrap option
            if (obj.options.columns[i].wordWrap != false && (obj.options.wordWrap == true || obj.options.columns[i].wordWrap == true || td.innerHTML.length > 200)) {
                td.style.whiteSpace = 'pre-wrap';
            }
    
            // Overflow
            if (i > 0) {
                if (this.options.textOverflow == true) {
                    if (value || td.innerHTML) {
                        obj.records[j][i-1].style.overflow = 'hidden';
                    } else {
                        if (i == obj.options.columns.length - 1) {
                            td.style.overflow = 'hidden';
                        }
                    }
                }
            }
            return td;
        }
    
        obj.createCellHeader = function(colNumber) {
            // Create col global control
            var colWidth = obj.options.columns[colNumber].width ? obj.options.columns[colNumber].width : obj.options.defaultColWidth;
            var colAlign = obj.options.columns[colNumber].align ? obj.options.columns[colNumber].align : obj.options.defaultColAlign;
    
            // Create header cell
            obj.headers[colNumber] = document.createElement('td');
            if (obj.options.stripHTML) {
                obj.headers[colNumber].innerText = obj.options.columns[colNumber].title ? obj.options.columns[colNumber].title : jexcel.getColumnName(colNumber);
            } else {
                obj.headers[colNumber].innerHTML = obj.options.columns[colNumber].title ? obj.options.columns[colNumber].title : jexcel.getColumnName(colNumber);
            }
            obj.headers[colNumber].setAttribute('data-x', colNumber);
            obj.headers[colNumber].style.textAlign = colAlign;
            if (obj.options.columns[colNumber].title) {
                if(obj.options.columns[colNumber].textContent){
                    obj.headers[colNumber].setAttribute('title', obj.options.columns[colNumber].textContent);
                }else{
                    obj.headers[colNumber].setAttribute('title', obj.options.columns[colNumber].title);
                }
            }
    
            // Width control
            obj.colgroup[colNumber] = document.createElement('col');
            obj.colgroup[colNumber].setAttribute('width', colWidth);
    
            // Hidden column
            if (obj.options.columns[colNumber].type == 'hidden') {
                obj.headers[colNumber].style.display = 'none';
                obj.colgroup[colNumber].style.display = 'none';
            }
        }

        /**
         * Update a nested header title
         */
        obj.updateNestedHeader = function(x, y, title) {
            if (obj.options.nestedHeaders[y][x].title) {
                obj.options.nestedHeaders[y][x].title = title;
                obj.options.nestedHeaders[y].element.children[x+1].innerText = title;
            }
        }

        /**
         * Create a nested header object
         */
        obj.createNestedHeader = function(nestedInformation) {
            var tr = document.createElement('tr');
            tr.classList.add('jexcel_nested');
            var td = document.createElement('td');
            tr.appendChild(td);
            // Element
            nestedInformation.element = tr;
    
            var headerIndex = 0;
            for (var i = 0; i < nestedInformation.length; i++) {
                // Default values
                if (! nestedInformation[i].colspan) {
                    nestedInformation[i].colspan = 1;
                }
                if (! nestedInformation[i].align) {
                    nestedInformation[i].align = 'center';
                }
                if (! nestedInformation[i].title) {
                    nestedInformation[i].title = '';
                }
    
                // Number of columns
                var numberOfColumns = nestedInformation[i].colspan;
    
                // Classes container
                var column = [];
                // Header classes for this cell
                for (var x = 0; x < numberOfColumns; x++) {
                    if (obj.options.columns[headerIndex] && obj.options.columns[headerIndex].type == 'hidden') {
                        numberOfColumns++;
                    }
                    column.push(headerIndex);
                    headerIndex++;
                }
    
                // Created the nested cell
                var td = document.createElement('td');
                td.setAttribute('data-column', column.join(','));
                td.setAttribute('colspan', nestedInformation[i].colspan);
                td.setAttribute('align', nestedInformation[i].align);
                td.innerText = nestedInformation[i].title;
                tr.appendChild(td);
            }
    
            return tr;
        }
    
        /**
         * Create toolbar
         */
        obj.createToolbar = function(toolbar) {
            if (toolbar) {
                obj.options.toolbar = toolbar;
            } else {
                var toolbar = obj.options.toolbar;
            }
            for (var i = 0; i < toolbar.length; i++) {
                if (toolbar[i].type == 'i') {
                    var toolbarItem = document.createElement('i');
                    toolbarItem.classList.add('jexcel_toolbar_item');
                    toolbarItem.classList.add('material-icons');
                    toolbarItem.setAttribute('data-k', toolbar[i].k);
                    toolbarItem.setAttribute('data-v', toolbar[i].v);
                    toolbarItem.setAttribute('id', toolbar[i].id);

                    // Tooltip
                    if (toolbar[i].tooltip) {
                        toolbarItem.setAttribute('title', toolbar[i].tooltip);
                    }
                    // Handle click
                    if (toolbar[i].onclick && typeof(toolbar[i].onclick)) {
                        toolbarItem.onclick = (function (a) {
                            var b = a;
                            return function () {
                                toolbar[b].onclick(el, obj, this);
                            };
                        })(i);
                    } else {
                        toolbarItem.onclick = function() {
                            var k = this.getAttribute('data-k');
                            var v = this.getAttribute('data-v');
                            obj.setStyle(obj.highlighted, k, v);
                        }
                    }
                    // Append element
                    toolbarItem.innerText = toolbar[i].content;
                    obj.toolbar.appendChild(toolbarItem);
                } else if (toolbar[i].type == 'select') {
                   var toolbarItem = document.createElement('select');
                   toolbarItem.classList.add('jexcel_toolbar_item');
                   toolbarItem.setAttribute('data-k', toolbar[i].k);
                   // Tooltip
                   if (toolbar[i].tooltip) {
                       toolbarItem.setAttribute('title', toolbar[i].tooltip);
                   }
                   // Handle onchange
                   if (toolbar[i].onchange && typeof(toolbar[i].onchange)) {
                       toolbarItem.onchange = toolbar[i].onchange;
                   } else {
                       toolbarItem.onchange = function() {
                           var k = this.getAttribute('data-k');
                           obj.setStyle(obj.highlighted, k, this.value);
                       }
                   }
                   // Add options to the dropdown
                   for(var j = 0; j < toolbar[i].v.length; j++) {
                        var toolbarDropdownOption = document.createElement('option');
                        toolbarDropdownOption.value = toolbar[i].v[j];
                        toolbarDropdownOption.innerText = toolbar[i].v[j];
                        toolbarItem.appendChild(toolbarDropdownOption);
                   }
                   obj.toolbar.appendChild(toolbarItem);
                } else if (toolbar[i].type == 'color') {
                     var toolbarItem = document.createElement('i');
                     toolbarItem.classList.add('jexcel_toolbar_item');
                     toolbarItem.classList.add('material-icons');
                     toolbarItem.setAttribute('data-k', toolbar[i].k);
                     toolbarItem.setAttribute('data-v', '');
                     // Tooltip
                     if (toolbar[i].tooltip) {
                         toolbarItem.setAttribute('title', toolbar[i].tooltip);
                     }
                     obj.toolbar.appendChild(toolbarItem);
                     toolbarItem.innerText = toolbar[i].content;
                     jSuites.color(toolbarItem, {
                         onchange:function(o, v) {
                             var k = o.getAttribute('data-k');
                             obj.setStyle(obj.highlighted, k, v);
                         }
                     });
                }
            }
        }
    
        /**
         * Merge cells
         * @param cellName
         * @param colspan
         * @param rowspan
         * @param ignoreHistoryAndEvents
         */
        obj.setMerge = function(cellName, colspan, rowspan, ignoreHistoryAndEvents) {
            var test = false;
    
            if (! cellName) {
                if (! obj.highlighted.length) {
                    alert(obj.options.text.noCellsSelected);
                    return null;
                } else {
                    var x1 = parseInt(obj.highlighted[0].getAttribute('data-x'));
                    var y1 = parseInt(obj.highlighted[0].getAttribute('data-y'));
                    var x2 = parseInt(obj.highlighted[obj.highlighted.length-1].getAttribute('data-x'));
                    var y2 = parseInt(obj.highlighted[obj.highlighted.length-1].getAttribute('data-y'));
                    var cellName = jexcel.getColumnNameFromId([ x1, y1 ]);
                    var colspan = (x2 - x1) + 1;
                    var rowspan = (y2 - y1) + 1;
                }
            }
    
            var cell = jexcel.getIdFromColumnName(cellName, true);
    
            if (obj.options.mergeCells[cellName]) {
                if (obj.records[cell[1]][cell[0]].getAttribute('data-merged')) {
                    test = obj.options.text.cellAlreadyMerged;
                }
            } else if ((! colspan || colspan < 2) && (! rowspan || rowspan < 2)) {
                test = obj.options.text.invalidMergeProperties;
            } else {
                var cells = [];
                for (var j = cell[1]; j < cell[1] + rowspan; j++) {
                    for (var i = cell[0]; i < cell[0] + colspan; i++) {
                        var columnName = jexcel.getColumnNameFromId([i, j]);
                        if (obj.records[j][i].getAttribute('data-merged')) {
                            test = obj.options.text.thereIsAConflictWithAnotherMergedCell;
                        }
                    }
                }
            }
    
            if (test) {
                alert(test);
            } else {
                // Add property
                if (colspan > 1) {
                    obj.records[cell[1]][cell[0]].setAttribute('colspan', colspan);
                } else {
                    colspan = 1;
                }
                if (rowspan > 1) {
                    obj.records[cell[1]][cell[0]].setAttribute('rowspan', rowspan);
                } else {
                    rowspan = 1;
                }
                // Keep links to the existing nodes
                obj.options.mergeCells[cellName] = [ colspan, rowspan, [] ];
                // Mark cell as merged
                obj.records[cell[1]][cell[0]].setAttribute('data-merged', 'true');
                // Overflow
                obj.records[cell[1]][cell[0]].style.overflow = 'hidden';
                // History data
                var data = [];
                // Adjust the nodes
                for (var y = cell[1]; y < cell[1] + rowspan; y++) {
                    for (var x = cell[0]; x < cell[0] + colspan; x++) {
                        if (! (cell[0] == x && cell[1] == y)) {
                            data.push(obj.options.data[y][x]);
                            obj.updateCell(x, y, '', true);
                            obj.options.mergeCells[cellName][2].push(obj.records[y][x]);
                            obj.records[y][x].style.display = 'none';
                            obj.records[y][x] = obj.records[cell[1]][cell[0]];
                        }
                    }
                }
                // In the initialization is not necessary keep the history
                obj.updateSelection(obj.records[cell[1]][cell[0]]);
    
                if (! ignoreHistoryAndEvents) {
                    obj.setHistory({
                        action:'setMerge',
                        column:cellName,
                        colspan:colspan,
                        rowspan:rowspan,
                        data:data,
                    });
    
                    obj.dispatch('onmerge', el, cellName, colspan, rowspan);
                }
            }
        }
    
        /**
         * Merge cells
         * @param cellName
         * @param colspan
         * @param rowspan
         * @param ignoreHistoryAndEvents
         */
        obj.getMerge = function(cellName) {
            var data = {};
            if (cellName) {
                if (obj.options.mergeCells[cellName]) {
                    data = [ obj.options.mergeCells[cellName][0], obj.options.mergeCells[cellName][1] ];
                } else {
                    data = null;
                }
            } else {
                if (obj.options.mergeCells) {
                    var mergedCells = obj.options.mergeCells;
                    var keys = Object.keys(obj.options.mergeCells);
                    for (var i = 0; i < keys.length; i++) {
                        data[keys[i]] = [ obj.options.mergeCells[keys[i]][0], obj.options.mergeCells[keys[i]][1] ];
                    }
                }
            }
    
            return data;
        }
    
        /**
         * Remove merge by cellname
         * @param cellName
         */
        obj.removeMerge = function(cellName, data, keepOptions) {
            if (obj.options.mergeCells[cellName]) {
                var cell = jexcel.getIdFromColumnName(cellName, true);
                obj.records[cell[1]][cell[0]].removeAttribute('colspan');
                obj.records[cell[1]][cell[0]].removeAttribute('rowspan');
                obj.records[cell[1]][cell[0]].removeAttribute('data-merged');
                var info = obj.options.mergeCells[cellName];
    
                var index = 0;
                for (var j = 0; j < info[1]; j++) {
                    for (var i = 0; i < info[0]; i++) {
                        if (j > 0 || i > 0) {
                            obj.records[cell[1]+j][cell[0]+i] = info[2][index];
                            obj.records[cell[1]+j][cell[0]+i].style.display = '';
                            // Recover data
                            if (data && data[index]) {
                                obj.updateCell(cell[0]+i, cell[1]+j, data[index]);
                            }
                            index++;
                        }
                    }
                }
    
                // Update selection
                obj.updateSelection(obj.records[cell[1]][cell[0]], obj.records[cell[1]+j-1][cell[0]+i-1]);
    
                if (! keepOptions) {
                    delete(obj.options.mergeCells[cellName]);
                }
            }
        }
    
        /**
         * Remove all merged cells
         */
        obj.destroyMerged = function(keepOptions) {
            // Remove any merged cells
            if (obj.options.mergeCells) {
                var mergedCells = obj.options.mergeCells;
                var keys = Object.keys(obj.options.mergeCells);
                for (var i = 0; i < keys.length; i++) {
                    obj.removeMerge(keys[i], null, keepOptions);
                }
            }
        }
    
        /**
         * Is column merged
         */
        obj.isColMerged = function(x, insertBefore) {
            var cols = [];
            // Remove any merged cells
            if (obj.options.mergeCells) {
                var keys = Object.keys(obj.options.mergeCells);
                for (var i = 0; i < keys.length; i++) {
                    var info = jexcel.getIdFromColumnName(keys[i], true);
                    var colspan = obj.options.mergeCells[keys[i]][0];
                    var x1 = info[0];
                    var x2 = info[0] + (colspan > 1 ? colspan - 1 : 0);
    
                    if (insertBefore == null) {
                        if ((x1 <= x && x2 >= x)) {
                            cols.push(keys[i]);
                        }
                    } else {
                        if (insertBefore) {
                            if ((x1 < x && x2 >= x)) {
                                cols.push(keys[i]);
                            }
                        } else {
                            if ((x1 <= x && x2 > x)) {
                                cols.push(keys[i]);
                            }
                        }
                    }
                }
            }
    
            return cols;
        }
    
        /**
         * Is rows merged
         */
        obj.isRowMerged = function(y, insertBefore) {
            var rows = [];
            // Remove any merged cells
            if (obj.options.mergeCells) {
                var keys = Object.keys(obj.options.mergeCells);
                for (var i = 0; i < keys.length; i++) {
                    var info = jexcel.getIdFromColumnName(keys[i], true);
                    var rowspan = obj.options.mergeCells[keys[i]][1];
                    var y1 = info[1];
                    var y2 = info[1] + (rowspan > 1 ? rowspan - 1 : 0);
    
                    if (insertBefore == null) {
                        if ((y1 <= y && y2 >= y)) {
                            rows.push(keys[i]);
                        }
                    } else {
                        if (insertBefore) {
                            if ((y1 < y && y2 >= y)) {
                                rows.push(keys[i]);
                            }
                        } else {
                            if ((y1 <= y && y2 > y)) {
                                rows.push(keys[i]);
                            }
                        }
                    }
                }
            }
    
            return rows;
        }

        /**
         * Open the column filter
         */
        obj.openFilter = function(columnId) {
            if (! obj.options.filters) {
                console.log('JEXCEL: filters not enabled.');
            } else {
                // Make sure is integer
                columnId = parseInt(columnId);
                // Reset selection
                obj.resetSelection();
                // Load options
                var optionsFiltered = [];
                if (obj.options.columns[columnId].type == 'checkbox') {
                    optionsFiltered.push({ id: 'true', name: 'True' });
                    optionsFiltered.push({ id: 'false', name: 'False' });
                } else {
                    var options = [];
                    var hasBlanks = false;
                    for (var j = 0; j < obj.options.data.length; j++) {
                        var k = obj.options.data[j][columnId];
                        var v = obj.records[j][columnId].innerHTML;
                        if (k && v) {
                            options[k] = v;
                        } else {
                            var hasBlanks = true;
                        }
                    }
                    var keys = Object.keys(options);
                    var optionsFiltered = [];
                    for (var j = 0; j < keys.length; j++) {
                        optionsFiltered.push({ id: keys[j], name: options[keys[j]] });
                    }
                    // Has blank options
                    if (hasBlanks) {
                        optionsFiltered.push({ value: '', id: '', name: '(Blanks)' });
                    }
                }

                // Create dropdown
                var div = document.createElement('div');
                obj.filter.children[columnId + 1].innerHTML = '';
                obj.filter.children[columnId + 1].appendChild(div);
                obj.filter.children[columnId + 1].style.paddingLeft = '0px';
                obj.filter.children[columnId + 1].style.paddingRight = '0px';
                obj.filter.children[columnId + 1].style.overflow = 'initial';

                var opt = {
                    data: optionsFiltered,
                    multiple: true,
                    autocomplete: true,
                    opened: true,
                    value: obj.filters[columnId] !== undefined ? obj.filters[columnId] : null,
                    width:'100%',
                    position: (obj.options.tableOverflow == true || obj.options.fullscreen == true) ? true : false,
                    onclose: function(o) {
                        obj.resetFilters();
                        obj.filters[columnId] = o.dropdown.getValue(true);
                        obj.filter.children[columnId + 1].innerHTML = o.dropdown.getText();
                        obj.filter.children[columnId + 1].style.paddingLeft = '';
                        obj.filter.children[columnId + 1].style.paddingRight = '';
                        obj.filter.children[columnId + 1].style.overflow = '';
                        obj.closeFilter(columnId);
                        obj.refreshSelection();
                    }
                };

                // Dynamic dropdown
                jSuites.dropdown(div, opt);
            }
        }

        obj.resetFilters = function() {
            if (obj.options.filters) {
                for (var i = 0; i < obj.filter.children.length; i++) {
                    obj.filter.children[i].innerHTML = '&nbsp;';
                    obj.filters[i] = null;
                }
            }
        }

        obj.closeFilter = function(columnId) {
            if (! columnId) {
                for (var i = 0; i < obj.filter.children.length; i++) {
                    if (obj.filters[i]) {
                        columnId = i;
                    }
                }
            }

            // Search filter
            var search = function(query, x, y) {
                for (var i = 0; i < query.length; i++) {
                    if ((query[i] == '' && // Blank matching
                        ((obj.options.data[y][x] === false) || // Unchecked checkbox
                        (''+obj.options.data[y][x]) == '')) || // Blank non-checkbox value
                        ((query[i] != '' && // Normal non-blank filtering
                        ((''+obj.options.data[y][x]).search(query[i]) >= 0 ||
                        (''+obj.records[y][x].innerHTML).search(query[i]) >= 0)))) {
                        return true;
                    }
                }
                return false;
            }

            var query = obj.filters[columnId];
            obj.results = [];
            for (var j = 0; j < obj.options.data.length; j++) {
                if (search(query, columnId, j)) {
                    obj.results.push(j);
                }
            }
            if (! obj.results.length) {
                obj.results = null;
            }

            obj.updateResult();
        }

        /**
         * Open the editor
         * 
         * @param object cell
         * @return void
         */
        obj.openEditor = function(cell, empty, e) {
            // Get cell position
            var y = cell.getAttribute('data-y');
            var x = cell.getAttribute('data-x');
    
            // On edition start
            obj.dispatch('oneditionstart', el, cell, x, y);
    
            // Overflow
            if (x > 0) {
                obj.records[y][x-1].style.overflow = 'hidden';
            }
    
            // Create editor
            var createEditor = function(type) {
                // Cell information
                var info = cell.getBoundingClientRect();
    
                // Create dropdown
                var editor = document.createElement(type);
                editor.style.width = (info.width) + 'px';
                editor.style.height = (info.height - 2) + 'px';
                editor.style.minHeight = (info.height - 2) + 'px';
    
                // Edit cell
                cell.classList.add('editor');
                cell.innerHTML = '';
                cell.appendChild(editor);
    
                // On edition start
                obj.dispatch('oncreateeditor', el, cell, x, y, editor);

                return editor;
            }
    
            // Readonly
            if (cell.classList.contains('readonly') == true) {
                // Do nothing
            } else {
                // Holder
                obj.edition = [ obj.records[y][x], obj.records[y][x].innerHTML, x, y ];
    
                // If there is a custom editor for it
                if (obj.options.columns[x].editor) {
                    // Custom editors
                    obj.options.columns[x].editor.openEditor(cell, el, empty, e);
                } else {
                    // Native functions
                    if (obj.options.columns[x].type == 'hidden') {
                        // Do nothing
                    } else if (obj.options.columns[x].type == 'checkbox' || obj.options.columns[x].type == 'radio') {
                        // Get value
                        var value = cell.children[0].checked ? false : true;
                        // Toogle value
                        obj.setValue(cell, value);
                        // Do not keep edition open
                        obj.edition = null;
                    } else if (obj.options.columns[x].type == 'dropdown' || obj.options.columns[x].type == 'autocomplete') {
                        // Get current value
                        var value = obj.options.data[y][x];
                        if (obj.options.columns[x].multiple && !Array.isArray(value)) {
                            value = value.split(';');
                        }
    
                        // Create dropdown
                        if (typeof(obj.options.columns[x].filter) == 'function') {
                            var source = obj.options.columns[x].filter(el, cell, x, y, obj.options.columns[x].source);
                        } else {
                            var source = obj.options.columns[x].source;
                        }
    
                        // Do not change the original source
                        var data = [];
                        for (var j = 0; j < source.length; j++) {
                            data.push(source[j]);
                        }

                        // Create editor
                        var editor = createEditor('div');
                        var options = {
                            data: data,
                            multiple: obj.options.columns[x].multiple ? true : false,
                            autocomplete: obj.options.columns[x].autocomplete || obj.options.columns[x].type == 'autocomplete' ? true : false,
                            opened:true,
                            value: value,
                            width:'100%',
                            height:editor.style.minHeight,
                            position: (obj.options.tableOverflow == true || obj.options.fullscreen == true) ? true : false,
                            onclose:function() {
                                obj.closeEditor(cell, true);
                            }
                        };
                        if (obj.options.columns[x].options && obj.options.columns[x].options.type) {
                            options.type = obj.options.columns[x].options.type;
                        }
                        jSuites.dropdown(editor, options);
                    } else if (obj.options.columns[x].type == 'calendar' || obj.options.columns[x].type == 'color') {
                        // Value
                        var value = obj.options.data[y][x];
                        // Create editor
                        var editor = createEditor('input');
                        editor.value = value;
    
                        if (obj.options.tableOverflow == true || obj.options.fullscreen == true) {
                            obj.options.columns[x].options.position = true;
                        }
                        obj.options.columns[x].options.value = obj.options.data[y][x];
                        obj.options.columns[x].options.opened = true;
                        obj.options.columns[x].options.onclose = function(el, value) {
                            obj.closeEditor(cell, true);
                        }
                        // Current value
                        if (obj.options.columns[x].type == 'color') {
                            jSuites.color(editor, obj.options.columns[x].options);
                        } else {
                            jSuites.calendar(editor, obj.options.columns[x].options);
                        }
                        // Focus on editor
                        editor.focus();
                    } else if (obj.options.columns[x].type == 'html') {
                        var value = obj.options.data[y][x];
                        // Create editor
                        var editor = createEditor('div');
                        editor.style.position = 'relative';
                        var div = document.createElement('div');
                        div.classList.add('jexcel_richtext');
                        editor.appendChild(div);
                        jSuites.editor(div, {
                            focus: true,
                            value: value,
                        });
                        var rect = cell.getBoundingClientRect();
                        var rectContent = div.getBoundingClientRect();
                        if (window.innerHeight < rect.bottom + rectContent.height) {
                            div.style.top = (rect.top - (rectContent.height + 2)) + 'px';
                        } else {
                            div.style.top = (rect.top) + 'px';
                        }
                    } else if (obj.options.columns[x].type == 'image') {
                        // Value
                        var img = cell.children[0];
                        // Create editor
                        var editor = createEditor('div');
                        editor.style.position = 'relative';
                        var div = document.createElement('div');
                        div.classList.add('jclose');
                        if (img && img.src) {
                            div.appendChild(img);
                        }
                        editor.appendChild(div);
                        jSuites.image(div, obj.options.imageOptions);
                        var rect = cell.getBoundingClientRect();
                        var rectContent = div.getBoundingClientRect();
                        if (window.innerHeight < rect.bottom + rectContent.height) {
                            div.style.top = (rect.top - (rectContent.height + 2)) + 'px';
                        } else {
                            div.style.top = (rect.top) + 'px';
                        }
                    } else {
                        // Value
                        var value = empty == true ? '' : obj.options.data[y][x];
    
                        // Basic editor
                        if (obj.options.columns[x].wordWrap != false && (obj.options.wordWrap == true || obj.options.columns[x].wordWrap == true)) {
                            var editor = createEditor('textarea');
                        } else {
                            var editor = createEditor('input');
                            // Mask
                            if (obj.options.columns[x].mask) {
                                editor.setAttribute('data-mask', obj.options.columns[x].mask);
                            }
                        }
    
                        editor.onblur = function() {
                            obj.closeEditor(cell, true);
                        };
                        editor.focus();
                        editor.value = value;
                        editor.scrollLeft = editor.scrollWidth;
                    }
                }
            }
        }
    
        /**
         * Close the editor and save the information
         * 
         * @param object cell
         * @param boolean save
         * @return void
         */
        obj.closeEditor = function(cell, save) {
            var x = parseInt(cell.getAttribute('data-x'));
            var y = parseInt(cell.getAttribute('data-y'));

            // Get cell properties
            if (save == true) {
                // If custom editor
                if (obj.options.columns[x].editor) {
                    // Custom editor
                    var value = obj.options.columns[x].editor.closeEditor(cell, save);
                } else {
                    // Native functions
                    if (obj.options.columns[x].type == 'checkbox' || obj.options.columns[x].type == 'radio' || obj.options.columns[x].type == 'hidden') {
                        // Do nothing
                    } else if (obj.options.columns[x].type == 'dropdown' || obj.options.columns[x].type == 'autocomplete') {
                        var value = cell.children[0].dropdown.close(true);
                    } else if (obj.options.columns[x].type == 'calendar') {
                        var value = cell.children[0].calendar.close(true);
                    } else if (obj.options.columns[x].type == 'color') {
                        var value = cell.children[0].color.close(true);
                    } else if (obj.options.columns[x].type == 'html') {
                        var value = cell.children[0].children[0].editor.getData();
                    } else if (obj.options.columns[x].type == 'image') {
                        var img = cell.children[0].children[0].children[0];
                        var value = img && img.tagName == 'IMG' ? img.src : '';
                    } else if (obj.options.columns[x].type == 'numeric') {
                        var value = cell.children[0].value;
                        if (value.substr(0,1) != '=') {
                            if (value == '') {
                                value = obj.options.columns[x].allowEmpty ? '' : 0;
                            }
                        }
                        cell.children[0].onblur = null;
                    } else {
                        var value = cell.children[0].value;
                        cell.children[0].onblur = null;
                    }
                }

                // Ignore changes if the value is the same
                if (obj.options.data[y][x] == value) {
                    cell.innerHTML = obj.edition[1];
                } else {
                    obj.setValue(cell, value);
                }
            } else {
                if (obj.options.columns[x].editor) {
                    // Custom editor
                    obj.options.columns[x].editor.closeEditor(cell, save);
                } else {
                    if (obj.options.columns[x].type == 'dropdown' || obj.options.columns[x].type == 'autocomplete') {
                        cell.children[0].dropdown.close(true);
                    } else if (obj.options.columns[x].type == 'calendar') {
                        cell.children[0].calendar.close(true);
                    } else if (obj.options.columns[x].type == 'color') {
                        cell.children[0].color.close(true);
                    } else {
                        cell.children[0].onblur = null;
                    }
                }
    
                // Restore value
                cell.innerHTML = obj.edition && obj.edition[1] ? obj.edition[1] : '';
            }
    
            // On edition end
            obj.dispatch('oneditionend', el, cell, x, y, value, save);

            // Remove editor class
            cell.classList.remove('editor');
    
            // Finish edition
            obj.edition = null;
        }
    
        /**
         * Get the cell object
         * 
         * @param object cell
         * @return string value
         */
        obj.getCell = function(cell) {
            // Convert in case name is excel liked ex. A10, BB92
            cell = jexcel.getIdFromColumnName(cell, true);
            var x = cell[0];
            var y = cell[1];
    
            return obj.records[y][x];
        }
    
        /**
         * Get the cell object from coords
         * 
         * @param object cell
         * @return string value
         */
        obj.getCellFromCoords = function(x, y) {
            return obj.records[y][x];
        }
    
        /**
         * Get label
         * 
         * @param object cell
         * @return string value
         */
        obj.getLabel = function(cell) {
            // Convert in case name is excel liked ex. A10, BB92
            cell = jexcel.getIdFromColumnName(cell, true);
            var x = cell[0];
            var y = cell[1];
    
            return obj.records[y][x].innerHTML;
        }
    
        /**
         * Get labelfrom coords
         * 
         * @param object cell
         * @return string value
         */
        obj.getLabelFromCoords = function(x, y) {
            return obj.records[y][x].innerHTML;
        }
    
        /**
         * Get the value from a cell
         * 
         * @param object cell
         * @return string value
         */
        obj.getValue = function(cell, processedValue) {
            if (typeof(cell) == 'object') {
                var x = cell.getAttribute('data-x');
                var y = cell.getAttribute('data-y');
            } else {
                cell = jexcel.getIdFromColumnName(cell, true);
                var x = cell[0];
                var y = cell[1];
            }
    
            var value = null;
    
            if (x != null && y != null) {
                if (obj.records[y] && obj.records[y][x] && (processedValue || obj.options.copyCompatibility == true)) {
                    value = obj.records[y][x].innerHTML;
                } else {
                    if (obj.options.data[y] && obj.options.data[y][x] != 'undefined') {
                        value = obj.options.data[y][x];
                    }
                }
            }
    
            return value;
        }
    
        /**
         * Get the value from a coords
         * 
         * @param int x
         * @param int y
         * @return string value
         */
        obj.getValueFromCoords = function(x, y, processedValue) {
            var value = null;
    
            if (x != null && y != null) {
                if ((obj.records[y] && obj.records[y][x]) && processedValue || obj.options.copyCompatibility == true) {
                    value = obj.records[y][x].innerHTML;
                } else {
                    if (obj.options.data[y] && obj.options.data[y][x] != 'undefined') {
                        value = obj.options.data[y][x];
                    }
                }
            }
    
            return value;
        }
    
        /**
         * Set a cell value
         * 
         * @param mixed cell destination cell
         * @param string value value
         * @return void
         */
        obj.setValue = function(cell, value, force) {
            var records = [];
    
            if (typeof(cell) == 'string') {
                var columnId = jexcel.getIdFromColumnName(cell, true);
                var x = columnId[0];
                var y = columnId[1];
    
                // Update cell
                records.push(obj.updateCell(x, y, value, force));
    
                // Update all formulas in the chain
                obj.updateFormulaChain(x, y, records);
            } else {
                var x = null;
                var y = null;
                if (cell && cell.getAttribute) {
                    var x = cell.getAttribute('data-x');
                    var y = cell.getAttribute('data-y');
                }
    
                // Update cell
                if (x != null && y != null) {
                    records.push(obj.updateCell(x, y, value, force));
    
                    // Update all formulas in the chain
                    obj.updateFormulaChain(x, y, records);
                } else {
                    var keys = Object.keys(cell);
                    if (keys.length > 0) {
                        for (var i = 0; i < keys.length; i++) {
                            if (typeof(cell[i]) == 'string') {
                                var columnId = jexcel.getIdFromColumnName(cell[i], true);
                                var x = columnId[0];
                                var y = columnId[1];
                            } else {
                                if (cell[i].x != null && cell[i].y != null) {
                                    var x = cell[i].x;
                                    var y = cell[i].y;
                                    // Flexible setup
                                    if (cell[i].newValue != null) {
                                        value = cell[i].newValue;
                                    } else if (cell[i].value != null) {
                                        value = cell[i].value;
                                    }
                                } else {
                                    var x = cell[i].getAttribute('data-x');
                                    var y = cell[i].getAttribute('data-y');
                                }
                            }
    
                             // Update cell
                            if (x != null && y != null) {
                                records.push(obj.updateCell(x, y, value, force));
    
                                // Update all formulas in the chain
                                obj.updateFormulaChain(x, y, records);
                            }
                        }
                    }
                }
            }
    
            // Update history
            obj.setHistory({
                action:'setValue',
                records:records,
                selection:obj.selectedCell,
            });
    
            // Update table with custom configurations if applicable
            obj.updateTable();
    
            // On after changes
            obj.onafterchanges(el, records);
        }
    
        /**
         * Set a cell value based on coordinates
         * 
         * @param int x destination cell
         * @param int y destination cell
         * @param string value
         * @return void
         */
        obj.setValueFromCoords = function(x, y, value, force) {
            var records = [];
            records.push(obj.updateCell(x, y, value, force));
    
            // Update all formulas in the chain
            obj.updateFormulaChain(x, y, records);
    
            // Update history
            obj.setHistory({
                action:'setValue',
                records:records,
                selection:obj.selectedCell,
            });
    
            // Update table with custom configurations if applicable
            obj.updateTable();
    
            // On after changes
            obj.onafterchanges(el, records);
        }
    
        /**
         * Toogle
         */
        obj.setCheckRadioValue = function() {
            var records = [];
            var keys = Object.keys(obj.highlighted);
            for (var i = 0; i < keys.length; i++) {
                var x = obj.highlighted[i].getAttribute('data-x');
                var y = obj.highlighted[i].getAttribute('data-y');
    
                if (obj.options.columns[x].type == 'checkbox' || obj.options.columns[x].type == 'radio') {
                    // Update cell
                    records.push(obj.updateCell(x, y, ! obj.options.data[y][x]));
                }
            }
    
            if (records.length) {
                // Update history
                obj.setHistory({
                    action:'setValue',
                    records:records,
                    selection:obj.selectedCell,
                });
    
                // On after changes
                obj.onafterchanges(el, records);
            }
        }
        /**
         * Strip tags
         */
        var stripScript = function(a) {
            var b = new Option;
            b.innerHTML = a;
            var c = null;
            for (a = b.getElementsByTagName('script'); c=a[0];) c.parentNode.removeChild(c);
            return b.innerHTML;
        }

        /**
         * Update cell content
         * 
         * @param object cell
         * @return void
         */
        obj.updateCell = function(x, y, value, force) {
            // Changing value depending on the column type
            if (obj.records[y][x].classList.contains('readonly') == true && ! force) {
                // Do nothing
                var record = {
                    x: x,
                    y: y,
                    col: x,
                    row: y
                }
            } else {
                // Security
                if ((''+value).substr(0,1) == '=' && obj.options.secureFormulas == true) {
                    var val = secureFormula(value);
                    if (val != value) {
                        // Update the data container
                        value = val;
                    }
                }

                // On change
                var val = obj.dispatch('onbeforechange', el, obj.records[y][x], x, y, value);

                // If you return something this will overwrite the value
                if (val != undefined) {
                    value = val;
                }

                if (obj.options.columns[x].editor && typeof(obj.options.columns[x].editor.updateCell) == 'function') {
                    value = obj.options.columns[x].editor.updateCell(obj.records[y][x], value, force);
                }

                // History format
                var record = {
                    x: x,
                    y: y,
                    col: x,
                    row: y,
                    newValue: value,
                    oldValue: obj.options.data[y][x],
                }

                if (obj.options.columns[x].editor) {
                    // Update data and cell
                    obj.options.data[y][x] = value;
                } else {
                    // Native functions
                    if (obj.options.columns[x].type == 'checkbox' || obj.options.columns[x].type == 'radio') {
                        // Unchecked all options
                        if (obj.options.columns[x].type == 'radio') {
                            for (var j = 0; j < obj.options.data.length; j++) {
                                obj.options.data[j][x] = false;
                            }
                        }

                        // Update data and cell
                        obj.records[y][x].children[0].checked = (value == 1 || value == true || value == 'true' || value == 'TRUE') ? true : false;
                        obj.options.data[y][x] = obj.records[y][x].children[0].checked;
                    } else if (obj.options.columns[x].type == 'dropdown' || obj.options.columns[x].type == 'autocomplete') {
                        // Update data and cell
                        obj.options.data[y][x] = value;
                        obj.records[y][x].innerText = obj.getDropDownValue(x, value);
                    } else if (obj.options.columns[x].type == 'calendar') {
                        // Update calendar
                        var formatted = jSuites.calendar.extractDateFromString(value, obj.options.columns[x].options.format);
                        // Update data and cell
                        obj.options.data[y][x] = value;
                        obj.records[y][x].innerText = jSuites.calendar.getDateString(formatted ? formatted : value, obj.options.columns[x].options.format);
                    } else if (obj.options.columns[x].type == 'color') {
                        // Update color
                        obj.options.data[y][x] = value;
                        // Render
                        if (obj.options.columns[x].render == 'square') {
                            var color = document.createElement('div');
                            color.className = 'color';
                            color.style.backgroundColor = value;
                            obj.records[y][x].innerText = '';
                            obj.records[y][x].appendChild(color);
                        } else {
                            obj.records[y][x].style.color = value;
                            obj.records[y][x].innerText = value;
                        }
                    } else if (obj.options.columns[x].type == 'image') {
                        value = ''+value;
                        obj.options.data[y][x] = value;
                        obj.records[y][x].innerHTML = '';
                        if (value && value.substr(0, 10) == 'data:image') {
                            var img = document.createElement('img');
                            img.src = value;
                            obj.records[y][x].appendChild(img);
                        }
                    } else {
                        // Update data and cell
                        obj.options.data[y][x] = value;
                        // Label
                        if (obj.options.columns[x].type == 'html') {
                            obj.records[y][x].innerHTML = stripScript(obj.parseValue(x, y, value));
                        } else {
                            if (obj.options.stripHTML === false || obj.options.columns[x].stripHTML === false) {
                                obj.records[y][x].innerHTML = stripScript(obj.parseValue(x, y, value));
                            } else {
                                obj.records[y][x].innerText = obj.parseValue(x, y, value);
                            }
                        }
                        // Handle big text inside a cell
                        if (obj.options.columns[x].wordWrap != false && (obj.options.wordWrap == true || obj.options.columns[x].wordWrap == true || obj.records[y][x].innerHTML.length > 200)) {
                            obj.records[y][x].style.whiteSpace = 'pre-wrap';
                        } else {
                            obj.records[y][x].style.whiteSpace = '';
                        }
                    }
                }

                // Overflow
                if (x > 0) {
                    if (value) {
                        obj.records[y][x-1].style.overflow = 'hidden';
                    } else {
                        obj.records[y][x-1].style.overflow = '';
                    }
                }

                // On change
                obj.dispatch('onchange', el, (obj.records[y] && obj.records[y][x] ? obj.records[y][x] : null), x, y, value, record.oldValue);
            }

            return record;
        }

        /**
         * Helper function to copy data using the corner icon
         */
        obj.copyData = function(o, d) {
            // Get data from all selected cells
            var data = obj.getData(true, true);

            // Selected cells
            var h = obj.selectedContainer;

            // Cells
            var x1 = parseInt(o.getAttribute('data-x'));
            var y1 = parseInt(o.getAttribute('data-y'));
            var x2 = parseInt(d.getAttribute('data-x'));
            var y2 = parseInt(d.getAttribute('data-y'));

            // Records
            var records = [];
            var breakControl = false;

            if (h[0] == x1) {
                // Vertical copy
                if (y1 < h[1]) {
                    var rowNumber = y1 - h[1];
                } else {
                    var rowNumber = 1;
                }
                var colNumber = 0;
            } else {
                if (x1 < h[0]) {
                    var colNumber = x1 - h[0];
                } else {
                    var colNumber = 1;
                }
                var rowNumber = 0;
            }

            // Copy data procedure
            var posx = 0;
            var posy = 0;

            for (var j = y1; j <= y2; j++) {
                // Skip hidden rows
                if (obj.rows[j] && obj.rows[j].style.display == 'none') {
                    continue;
                }

                // Controls
                if (data[posy] == undefined) {
                    posy = 0;
                }
                posx = 0;

                // Data columns
                if (h[0] != x1) {
                    if (x1 < h[0]) {
                        var colNumber = x1 - h[0];
                    } else {
                        var colNumber = 1;
                    }
                }
                // Data columns
                for (var i = x1; i <= x2; i++) {
                    // Update non-readonly
                    if (obj.records[j][i] && ! obj.records[j][i].classList.contains('readonly') && obj.records[j][i].style.display != 'none' && breakControl == false) {
                        // Stop if contains value
                        if (! obj.selection.length) {
                            if (obj.options.data[j][i] != '') {
                                breakControl = true;
                                continue;
                            }
                        }
    
                        // Column
                        if (data[posy] == undefined) {
                            posx = 0;
                        } else if (data[posy][posx] == undefined) {
                            posx = 0;
                        }

                        // Value
                        var value = data[posy][posx];
    
                        if (value && ! data[1] && obj.options.autoIncrement == true) {
                            if (obj.options.columns[i].type == 'text' || obj.options.columns[i].type == 'number') {
                                if ((''+value).substr(0,1) == '=') {
                                    var tokens = value.match(/([A-Z]+[0-9]+)/g);
    
                                    if (tokens) {
                                        var affectedTokens = [];
                                        for (var index = 0; index < tokens.length; index++) {
                                            var position = jexcel.getIdFromColumnName(tokens[index], 1);
                                            position[0] += colNumber;
                                            position[1] += rowNumber;
                                            if (position[1] < 0) {
                                                position[1] = 0;
                                            }
                                            var token = jexcel.getColumnNameFromId([position[0], position[1]]);
    
                                            if (token != tokens[index]) {
                                                affectedTokens[tokens[index]] = token;
                                            }
                                        }
                                        // Update formula
                                        if (affectedTokens) {
                                            value = obj.updateFormula(value, affectedTokens)
                                        }
                                    }
                                } else {
                                    if (value == Number(value)) {
                                        value = Number(value) + rowNumber;
                                    }
                                }
                            } else if (obj.options.columns[i].type == 'calendar') {
                                var date = new Date(value);
                                date.setDate(date.getDate() + rowNumber);
                                value = date.getFullYear() + '-' + jexcel.doubleDigitFormat(parseInt(date.getMonth() + 1)) + '-' + jexcel.doubleDigitFormat(date.getDate()) + ' ' + '00:00:00';
                            }
                        }
    
                        records.push(obj.updateCell(i, j, value));
    
                        // Update all formulas in the chain
                        obj.updateFormulaChain(i, j, records);
                    }
                    posx++;
                    if (h[0] != x1) {
                        colNumber++;
                    }
                }
                posy++;
                rowNumber++;
            }
    
            // Update history
            obj.setHistory({
                action:'setValue',
                records:records,
                selection:obj.selectedCell,
            });
    
            // Update table with custom configuration if applicable
            obj.updateTable();
    
            // On after changes
            obj.onafterchanges(el, records);
        }
    
        /**
         * Refresh current selection
         */
        obj.refreshSelection = function() {
            if (obj.selectedCell) {
                obj.updateSelectionFromCoords(obj.selectedCell[0], obj.selectedCell[1], obj.selectedCell[2], obj.selectedCell[3]);
            }
        }
    
        /**
         * Move coords to A1 in case ovelaps with an excluded cell
         */
        obj.conditionalSelectionUpdate = function(type, o, d) {
            if (type == 1) {
                if (obj.selectedCell && ((o >= obj.selectedCell[1] && o <= obj.selectedCell[3]) || (d >= obj.selectedCell[1] && d <= obj.selectedCell[3]))) {
                    obj.resetSelection();
                    return;
                }
            } else {
                if (obj.selectedCell && ((o >= obj.selectedCell[0] && o <= obj.selectedCell[2]) || (d >= obj.selectedCell[0] && d <= obj.selectedCell[2]))) {
                    obj.resetSelection();
                    return;
                }
            }
        }
    
        /**
         * Clear table selection
         */
        obj.resetSelection = function(blur) {
            // Remove style
            if (! obj.highlighted.length) {
                var previousStatus = 0;
            } else {
                var previousStatus = 1;
    
                for (var i = 0; i < obj.highlighted.length; i++) {
                    obj.highlighted[i].classList.remove('highlight');
                    obj.highlighted[i].classList.remove('highlight-left');
                    obj.highlighted[i].classList.remove('highlight-right');
                    obj.highlighted[i].classList.remove('highlight-top');
                    obj.highlighted[i].classList.remove('highlight-bottom');
                    obj.highlighted[i].classList.remove('highlight-selected');
    
                    var px = parseInt(obj.highlighted[i].getAttribute('data-x'));
                    var py = parseInt(obj.highlighted[i].getAttribute('data-y'));
    
                    // Check for merged cells
                    if (obj.highlighted[i].getAttribute('data-merged')) {
                        var colspan = parseInt(obj.highlighted[i].getAttribute('colspan'));
                        var rowspan = parseInt(obj.highlighted[i].getAttribute('rowspan'));
                        var ux = colspan > 0 ? px + (colspan - 1) : px;
                        var uy = rowspan > 0 ? py + (rowspan - 1): py;
                    } else {
                        var ux = px;
                        var uy = py;
                    }
    
                    // Remove selected from headers
                    for (var j = px; j <= ux; j++) {
                        if (obj.headers[j]) {
                            obj.headers[j].classList.remove('selected');
                        }
                    }
    
                    // Remove selected from rows
                    for (var j = py; j <= uy; j++) {
                        if (obj.rows[j]) {
                            obj.rows[j].classList.remove('selected');
                        }
                    }
                }
            }
    
            // Reset highlighed cells
            obj.highlighted = [];
    
            // Reset
            obj.selectedCell = null;
    
            // Hide corner
            obj.corner.style.top = '-2000px';
            obj.corner.style.left = '-2000px';
    
            if (blur == true && previousStatus == 1) {
                obj.dispatch('onblur', el);
            }
    
            return previousStatus;
        }
    
        /**
         * Update selection based on two cells
         */
        obj.updateSelection = function(el1, el2, origin) {
            var x1 = el1.getAttribute('data-x');
            var y1 = el1.getAttribute('data-y');
            if (el2) {
                var x2 = el2.getAttribute('data-x');
                var y2 = el2.getAttribute('data-y');
            } else {
                var x2 = x1;
                var y2 = y1;
            }
    
            obj.updateSelectionFromCoords(x1, y1, x2, y2, origin);
        }
    
        /**
         * Update selection from coords
         */
        obj.updateSelectionFromCoords = function(x1, y1, x2, y2, origin) {
            // Reset Selection
            var updated = null;
            var previousState = obj.resetSelection();
    
            // Same element
            if (x2 == null) {
                x2 = x1;
            }
            if (y2 == null) {
                y2 = y1;
            }
    
            // Selection must be within the existing data
            if (x1 >= obj.headers.length) {
                x1 = obj.headers.length - 1;
            }
            if (y1 >= obj.rows.length) {
                y1 = obj.rows.length - 1;
            }
            if (x2 >= obj.headers.length) {
                x2 = obj.headers.length - 1;
            }
            if (y2 >= obj.rows.length) {
                y2 = obj.rows.length - 1;
            }
    
            // Keep selected cell
            obj.selectedCell = [x1, y1, x2, y2];
    
            // Select cells
            if (x1 != null) {
                // Add selected cell
                if (obj.records[y1][x1]) {
                    obj.records[y1][x1].classList.add('highlight-selected');
                }
    
                // Origin & Destination
                if (parseInt(x1) < parseInt(x2)) {
                    var px = parseInt(x1);
                    var ux = parseInt(x2);
                } else {
                    var px = parseInt(x2);
                    var ux = parseInt(x1);
                }
    
                if (parseInt(y1) < parseInt(y2)) {
                    var py = parseInt(y1);
                    var uy = parseInt(y2);
                } else {
                    var py = parseInt(y2);
                    var uy = parseInt(y1);
                }
    
                // Verify merged columns
                for (var i = px; i <= ux; i++) {
                    for (var j = py; j <= uy; j++) {
                        if (obj.records[j][i] && obj.records[j][i].getAttribute('data-merged')) {
                            var x = parseInt(obj.records[j][i].getAttribute('data-x'));
                            var y = parseInt(obj.records[j][i].getAttribute('data-y'));
                            var colspan = parseInt(obj.records[j][i].getAttribute('colspan'));
                            var rowspan = parseInt(obj.records[j][i].getAttribute('rowspan'));
    
                            if (colspan > 1) {
                                if (x < px) {
                                    px = x;
                                }
                                if (x + colspan > ux) {
                                    ux = x + colspan - 1;
                                }
                            }
    
                            if (rowspan) {
                                if (y < py) {
                                    py = y;
    
                                }
                                if (y + rowspan > uy) {
                                    uy = y + rowspan - 1;
                                }
                            }
                        }
                    }
                }
    
                // Limits
                var borderLeft = null;
                var borderRight = null;
                var borderTop = null;
                var borderBottom = null;
    
                // Vertical limits
                for (var j = py; j <= uy; j++) {
                    if (obj.rows[j].style.display != 'none') {
                        if (borderTop == null) {
                            borderTop = j;
                        }
                        borderBottom = j;
                    }
                }
    
                // Redefining styles
                for (var i = px; i <= ux; i++) {
                    for (var j = py; j <= uy; j++) {
                        if (obj.rows[j].style.display != 'none' && obj.records[j][i].style.display != 'none') {
                            obj.records[j][i].classList.add('highlight');
                            obj.highlighted.push(obj.records[j][i]);
                        }
                    }
    
                    // Horizontal limits
                    if (obj.options.columns[i].type != 'hidden') {
                        if (borderLeft == null) {
                            borderLeft = i;
                        }
                        borderRight = i;
                    }
                }
    
                // Create borders
                if (! borderLeft) {
                    borderLeft = 0;
                }
                if (! borderRight) {
                    borderRight = 0;
                }
                for (var i = borderLeft; i <= borderRight; i++) {
                    if (obj.options.columns[i].type != 'hidden') {
                        // Top border
                        if (obj.records[borderTop] && obj.records[borderTop][i]) {
                            obj.records[borderTop][i].classList.add('highlight-top');
                        }
                        // Bottom border
                        if (obj.records[borderBottom] && obj.records[borderBottom][i]) {
                            obj.records[borderBottom][i].classList.add('highlight-bottom');
                        }
                        // Add selected from headers
                        obj.headers[i].classList.add('selected');
                    }
                }
    
                for (var j = borderTop; j <= borderBottom; j++) {
                    if (obj.rows[j] && obj.rows[j].style.display != 'none') {
                        // Left border
                        obj.records[j][borderLeft].classList.add('highlight-left');
                        // Right border
                        obj.records[j][borderRight].classList.add('highlight-right');
                        // Add selected from rows
                        obj.rows[j].classList.add('selected');
                    }
                }
    
                obj.selectedContainer = [ borderLeft, borderTop, borderRight, borderBottom ];
            }
    
            // Handle events
            if (previousState == 0) {
                obj.dispatch('onfocus', el);

                obj.removeCopyingSelection();
            }

            obj.dispatch('onselection', el, borderLeft, borderTop, borderRight, borderBottom, origin);

            // Find corner cell
            obj.updateCornerPosition();
        }
    
        /**
         * Remove copy selection
         * 
         * @return void
         */
        obj.removeCopySelection = function() {
            // Remove current selection
            for (var i = 0; i < obj.selection.length; i++) {
                obj.selection[i].classList.remove('selection');
                obj.selection[i].classList.remove('selection-left');
                obj.selection[i].classList.remove('selection-right');
                obj.selection[i].classList.remove('selection-top');
                obj.selection[i].classList.remove('selection-bottom');
            }
    
            obj.selection = [];
        }
    
        /**
         * Update copy selection
         * 
         * @param int x, y
         * @return void
         */
        obj.updateCopySelection = function(x3, y3) {
            // Remove selection
            obj.removeCopySelection();
    
            // Get elements first and last
            var x1 = obj.selectedContainer[0];
            var y1 = obj.selectedContainer[1];
            var x2 = obj.selectedContainer[2];
            var y2 = obj.selectedContainer[3];
    
            if (x3 != null && y3 != null) {
                if (x3 - x2 > 0) {
                    var px = parseInt(x2) + 1;
                    var ux = parseInt(x3);
                } else {
                    var px = parseInt(x3);
                    var ux = parseInt(x1) - 1;
                }
    
                if (y3 - y2 > 0) {
                    var py = parseInt(y2) + 1;
                    var uy = parseInt(y3);
                } else {
                    var py = parseInt(y3);
                    var uy = parseInt(y1) - 1;
                }
    
                if (ux - px <= uy - py) {
                    var px = parseInt(x1);
                    var ux = parseInt(x2);
                } else {
                    var py = parseInt(y1);
                    var uy = parseInt(y2);
                }
    
                for (var j = py; j <= uy; j++) {
                    for (var i = px; i <= ux; i++) {
                        if (obj.records[j][i] && obj.rows[j].style.display != 'none' && obj.records[j][i].style.display != 'none') {
                            obj.records[j][i].classList.add('selection');
                            obj.records[py][i].classList.add('selection-top');
                            obj.records[uy][i].classList.add('selection-bottom');
                            obj.records[j][px].classList.add('selection-left');
                            obj.records[j][ux].classList.add('selection-right');
    
                            // Persist selected elements
                            obj.selection.push(obj.records[j][i]);
                        }
                    }
                }
            }
        }
    
        /**
         * Update corner position
         * 
         * @return void
         */
        obj.updateCornerPosition = function() {
            // If any selected cells
            if (! obj.highlighted.length) {
                obj.corner.style.top = '-2000px';
                obj.corner.style.left = '-2000px';
            } else {
                // Get last cell
                var last = obj.highlighted[obj.highlighted.length-1];

                var contentRect = obj.content.getBoundingClientRect();
                var x1 = contentRect.left;
                var y1 = contentRect.top;

                var lastRect = last.getBoundingClientRect();
                var x2 = lastRect.left;
                var y2 = lastRect.top;
                var w2 = lastRect.width;
                var h2 = lastRect.height;

                var x = (x2 - x1) + obj.content.scrollLeft + w2 - 4;
                var y = (y2 - y1) + obj.content.scrollTop + h2 - 4;

                // Place the corner in the correct place
                obj.corner.style.top = y + 'px';
                obj.corner.style.left = x + 'px';

                if (obj.options.freezeColumns) {
                    var width = obj.getFreezeWidth();
                    if (x2 - x1 + w2 < width) {
                        obj.corner.style.display = 'none';
                    } else {
                        if (obj.options.selectionCopy == true) {
                            obj.corner.style.display = '';
                        }
                    }
                } else {
                    if (obj.options.selectionCopy == true) {
                        obj.corner.style.display = '';
                    }
                }
            }
        }
    
        /**
         * Update scroll position based on the selection
         */
        obj.updateScroll = function(direction) {
            // jExcel Container information
            var contentRect = obj.content.getBoundingClientRect();
            var x1 = contentRect.left;
            var y1 = contentRect.top;
            var w1 = contentRect.width;
            var h1 = contentRect.height;

            // Direction Left or Up
            var reference = obj.records[obj.selectedCell[3]][obj.selectedCell[2]];
    
            // Reference
            var referenceRect = reference.getBoundingClientRect();
            var x2 = referenceRect.left;
            var y2 = referenceRect.top;
            var w2 = referenceRect.width;
            var h2 = referenceRect.height;
    
            // Direction
            if (direction == 0 || direction == 1) {
                var x = (x2 - x1) + obj.content.scrollLeft;
                var y = (y2 - y1) + obj.content.scrollTop - 2;
            } else {
                var x = (x2 - x1) + obj.content.scrollLeft + w2;
                var y = (y2 - y1) + obj.content.scrollTop + h2;
            }
    
            // Top position check
            if (y > (obj.content.scrollTop + 30) && y < (obj.content.scrollTop + h1)) {
                // In the viewport
            } else {
                // Out of viewport
                if (y < obj.content.scrollTop + 30) {
                    obj.content.scrollTop = y - h2;
                } else {
                    obj.content.scrollTop = y - (h1 - 2);
                }
            }
    
            // Freeze columns? 
            var freezed = obj.getFreezeWidth();

            // Left position check - TODO: change that to the bottom border of the element
            if (x > (obj.content.scrollLeft + freezed) && x < (obj.content.scrollLeft + w1)) {
                // In the viewport
            } else {
                // Out of viewport
                if (x < obj.content.scrollLeft + 30) {
                    obj.content.scrollLeft = x;
                    if (obj.content.scrollLeft < 50) {
                        obj.content.scrollLeft = 0;
                    }
                } else if (x < obj.content.scrollLeft + freezed) {
                    obj.content.scrollLeft = x - freezed - 1;
                } else {
                    obj.content.scrollLeft = x - (w1 - 20);
                }
            }
        }
    
        /**
         * Get the column width
         * 
         * @param int column column number (first column is: 0)
         * @return int current width
         */
        obj.getWidth = function(column) {
            if (! column) {
                // Get all headers
                var data = [];
                for (var i = 0; i < obj.headers.length; i++) {
                    data.push(obj.options.columns[i].width);
                }
            } else {
                // In case the column is an object
                if (typeof(column) == 'object') {
                    column = $(column).getAttribute('data-x');
                }
    
                data = obj.colgroup[column].getAttribute('width')
            }
    
            return data;
        }


        /**
         * Set the column width
         * 
         * @param int column number (first column is: 0)
         * @param int new column width
         * @param int old column width
         */
        obj.setWidth = function (column, width, oldWidth) {
            if (width) {
                if (Array.isArray(column)) {
                    // Oldwidth
                    if (! oldWidth) {
                        var oldWidth = [];
                    }
                    // Set width
                    for (var i = 0; i < column.length; i++) {
                        if (! oldWidth[i]) {
                            oldWidth[i] = obj.colgroup[column[i]].getAttribute('width');
                        }
                        var w = Array.isArray(width) && width[i] ? width[i] : width;
                        obj.colgroup[column[i]].setAttribute('width', w);
                        obj.options.columns[column[i]].width = w;
                    }
                } else {
                    // Oldwidth
                    if (! oldWidth) {
                        oldWidth = obj.colgroup[column].getAttribute('width');
                    }
                    // Set width
                    obj.colgroup[column].setAttribute('width', width);
                    obj.options.columns[column].width = width;
                }

                // Keeping history of changes
                obj.setHistory({
                    action:'setWidth',
                    column:column,
                    oldValue:oldWidth,
                    newValue:width,
                });

                // On resize column
                obj.dispatch('onresizecolumn', el, column, width, oldWidth);

                // Update corner position
                obj.updateCornerPosition();
            }
        }

        /**
         * Set the row height
         * 
         * @param row - row number (first row is: 0)
         * @param height - new row height
         * @param oldHeight - old row height
         */
        obj.setHeight = function (row, height, oldHeight) {
            if (height > 0) {
                // In case the column is an object
                if (typeof(row) == 'object') {
                    row = row.getAttribute('data-y');
                }
    
                // Oldwidth
                if (! oldHeight) {
                    oldHeight = obj.rows[row].getAttribute('height');

                    if (! oldHeight) {
                        var rect = obj.rows[row].getBoundingClientRect();
                        oldHeight = rect.height;
                    }
                }

                // Integer
                height = parseInt(height);

                // Set width
                obj.rows[row].style.height = height + 'px';
    
                // Keep options updated
                if (! obj.options.rows[row]) {
                    obj.options.rows[row] = {};
                }
                obj.options.rows[row].height = height;
    
                // Keeping history of changes
                obj.setHistory({
                    action:'setHeight',
                    row:row,
                    oldValue:oldHeight,
                    newValue:height,
                });

                // On resize column
                obj.dispatch('onresizerow', el, row, height, oldHeight);

                // Update corner position
                obj.updateCornerPosition();
            }
        }
    
        /**
         * Get the row height
         * 
         * @param row - row number (first row is: 0)
         * @return height - current row height
         */
        obj.getHeight = function(row) {
            if (! row) {
                // Get height of all rows
                var data = [];
                for (var j = 0; j < obj.rows.length; j++) {
                    var h = obj.rows[j].style.height;
                    if (h) {
                        data[j] = h;
                    }
                }
            } else {
                // In case the row is an object
                if (typeof(row) == 'object') {
                    row = $(row).getAttribute('data-y');
                }
    
                var data = obj.rows[row].style.height;
            }
    
            return data;
        }
    
        obj.setFooter = function(data) {
            if (data) {
                obj.options.footers = data;
            }

            if (obj.options.footers) {
                if (! obj.tfoot) {
                    obj.tfoot = document.createElement('tfoot');
                    obj.table.appendChild(obj.tfoot);
                } 

                for (var j = 0; j < obj.options.footers.length; j++) {
                    if (obj.tfoot.children[j]) {
                        var tr = obj.tfoot.children[j];
                    } else {
                        var tr = document.createElement('tr');
                        var td = document.createElement('td');
                        tr.appendChild(td);
                        obj.tfoot.appendChild(tr);
                    }
                    for (var i = 0; i < obj.headers.length; i++) {
                        if (! obj.options.footers[j][i]) {
                            obj.options.footers[j][i] = '';
                        }
                        if (obj.tfoot.children[j].children[i+1]) {
                            var td = obj.tfoot.children[j].children[i+1];
                        } else {
                            var td = document.createElement('td');
                            tr.appendChild(td);

                            // Text align
                            var colAlign = obj.options.columns[i].align ? obj.options.columns[i].align : 'center';
                            td.style.textAlign = colAlign;
                        }
                        td.innerText = obj.parseValue(i, j, obj.options.footers[j][i]);
                    }
                }
            }
        }

        /**
         * Get the column title
         * 
         * @param column - column number (first column is: 0)
         * @param title - new column title
         */
        obj.getHeader = function(column) {
            return obj.headers[column].innerText;
        }
    
        /**
         * Set the column title
         * 
         * @param column - column number (first column is: 0)
         * @param title - new column title
         */
        obj.setHeader = function(column, newValue) {
            if (obj.headers[column]) {
                var oldValue = obj.headers[column].innerText;
    
                if (! newValue) {
                    newValue = prompt(obj.options.text.columnName, oldValue)
                }
    
                if (newValue) {
                    obj.headers[column].innerText = newValue;
                    // Keep the title property
                    obj.headers[column].setAttribute('title', newValue);
                    // Update title
                    obj.options.columns[column].title = newValue;
                }
    
                obj.setHistory({
                    action: 'setHeader',
                    column: column,
                    oldValue: oldValue,
                    newValue: newValue
                });
    
                // On onchange header
                obj.dispatch('onchangeheader', el, column, oldValue, newValue);
            }
        }
    
        /**
         * Get the headers
         * 
         * @param asArray
         * @return mixed
         */
        obj.getHeaders = function (asArray) {
            var title = [];
    
            for (var i = 0; i < obj.headers.length; i++) {
                title.push(obj.getHeader(i));
            }
    
            return asArray ? title : title.join(obj.options.csvDelimiter);
        }
    
        /**
         * Get meta information from cell(s)
         * 
         * @return integer
         */
        obj.getMeta = function(cell, key) {
            if (! cell) {
                return obj.options.meta;
            } else {
                if (key) {
                    return obj.options.meta[cell] && obj.options.meta[cell][key] ? obj.options.meta[cell][key] : null;
                } else {
                    return obj.options.meta[cell] ? obj.options.meta[cell] : null;
                }
            }
        }
    
        /**
         * Set meta information to cell(s)
         * 
         * @return integer
         */
        obj.setMeta = function(o, k, v) {
            if (! obj.options.meta) {
                obj.options.meta = {}
            }
    
            if (k && v) {
                // Set data value
                if (! obj.options.meta[o]) {
                    obj.options.meta[o] = {};
                }
                obj.options.meta[o][k] = v;
            } else {
                // Apply that for all cells
                var keys = Object.keys(o);
                for (var i = 0; i < keys.length; i++) {
                    if (! obj.options.meta[keys[i]]) {
                        obj.options.meta[keys[i]] = {};
                    }
    
                    var prop = Object.keys(o[keys[i]]);
                    for (var j = 0; j < prop.length; j++) {
                        obj.options.meta[keys[i]][prop[j]] = o[keys[i]][prop[j]];
                    }
                }
            }
    
            obj.dispatch('onchangemeta', el, o, k, v);
        }
    
        /**
         * Update meta information
         * 
         * @return integer
         */
        obj.updateMeta = function(affectedCells) {
            if (obj.options.meta) {
                var newMeta = {};
                var keys = Object.keys(obj.options.meta);
                for (var i = 0; i < keys.length; i++) {
                    if (affectedCells[keys[i]]) {
                        newMeta[affectedCells[keys[i]]] = obj.options.meta[keys[i]];
                    } else {
                        newMeta[keys[i]] = obj.options.meta[keys[i]];
                    }
                }
                // Update meta information
                obj.options.meta = newMeta;
            }
        }
    
        /**
         * Get style information from cell(s)
         * 
         * @return integer
         */
        obj.getStyle = function(cell, key) {
            // Cell
            if (! cell) {
                // Control vars
                var data = {};
    
                // Column and row length
                var x = obj.options.data[0].length;
                var y = obj.options.data.length;
    
                // Go through the columns to get the data
                for (var j = 0; j < y; j++) {
                    for (var i = 0; i < x; i++) {
                        // Value
                        var v = key ? obj.records[j][i].style[key] : obj.records[j][i].getAttribute('style');
    
                        // Any meta data for this column?
                        if (v) {
                            // Column name
                            var k = jexcel.getColumnNameFromId([i, j]);
                            // Value
                            data[k] = v;
                        }
                    }
                }
    
               return data;
            } else {
                cell = jexcel.getIdFromColumnName(cell, true);
    
                return key ? obj.records[cell[1]][cell[0]].style[key] : obj.records[cell[1]][cell[0]].getAttribute('style');
            }
        },
    
        obj.resetStyle = function(o, ignoreHistoryAndEvents) {
            var keys = Object.keys(o);
            for (var i = 0; i < keys.length; i++) {
                // Position
                var cell = jexcel.getIdFromColumnName(keys[i], true);
                if (obj.records[cell[1]] && obj.records[cell[1]][cell[0]]) {
                    obj.records[cell[1]][cell[0]].setAttribute('style', '');
                }
            }
            obj.setStyle(o, null, null, null, ignoreHistoryAndEvents);
        }
    
        /**
         * Set meta information to cell(s)
         * 
         * @return integer
         */
        obj.setStyle = function(o, k, v, force, ignoreHistoryAndEvents) {
            var newValue = {};
            var oldValue = {};
    
            // Apply style
            var applyStyle = function(cellId, key, value) {
                // Position
                var cell = jexcel.getIdFromColumnName(cellId, true);
    
                if (obj.records[cell[1]] && obj.records[cell[1]][cell[0]] && (obj.records[cell[1]][cell[0]].classList.contains('readonly')==false || force)) {
                    // Current value
                    var currentValue = obj.records[cell[1]][cell[0]].style[key];
    
                    // Change layout
                    if (currentValue == value && ! force) {
                        value = '';
                        obj.records[cell[1]][cell[0]].style[key] = '';
                    } else {
                        obj.records[cell[1]][cell[0]].style[key] = value;
                    }
    
                    // History
                    if (! oldValue[cellId]) {
                        oldValue[cellId] = [];
                    }
                    if (! newValue[cellId]) {
                        newValue[cellId] = [];
                    }
    
                    oldValue[cellId].push([key + ':' + currentValue]);
                    newValue[cellId].push([key + ':' + value]);
                }
            }
    
            if (k && v) {
                // Get object from string
                if (typeof(o) == 'string') {
                    applyStyle(o, k, v);
                } else {
                    // Avoid duplications
                    var oneApplication = [];
                    // Apply that for all cells
                    for (var i = 0; i < o.length; i++) {
                        var x = o[i].getAttribute('data-x');
                        var y = o[i].getAttribute('data-y');
                        var cellName = jexcel.getColumnNameFromId([x, y]);
                        // This happens when is a merged cell
                        if (! oneApplication[cellName]) {
                            applyStyle(cellName, k, v);
                            oneApplication[cellName] = true;
                        }
                    }
                }
            } else {
                var keys = Object.keys(o);
                for (var i = 0; i < keys.length; i++) {
                    var style = o[keys[i]];
                    if (typeof(style) == 'string') {
                        style = style.split(';');
                    }
                    for (var j = 0; j < style.length; j++) {
                        if (typeof(style[j]) == 'string') {
                            style[j] = style[j].split(':');
                        }
                        // Apply value
                        if (style[j][0].trim()) {
                            applyStyle(keys[i], style[j][0].trim(), style[j][1]);
                        }
                    }
                }
            }
    
            var keys = Object.keys(oldValue);
            for (var i = 0; i < keys.length; i++) {
                oldValue[keys[i]] = oldValue[keys[i]].join(';');
            }
            var keys = Object.keys(newValue);
            for (var i = 0; i < keys.length; i++) {
                newValue[keys[i]] = newValue[keys[i]].join(';');
            }
    
            if (! ignoreHistoryAndEvents) {
                // Keeping history of changes
                obj.setHistory({
                    action: 'setStyle',
                    oldValue: oldValue,
                    newValue: newValue,
                });
            }

            obj.dispatch('onchangestyle', el, o, k, v);
        }

        /**
         * Get cell comments, null cell for all
         */
        obj.getComments = function(cell, withAuthor) {
            if (cell) {
                if (typeof(cell) == 'string') {
                    var cell = jexcel.getIdFromColumnName(cell, true);
                }

                if (withAuthor) {
                    return [obj.records[cell[1]][cell[0]].getAttribute('title'), obj.records[cell[1]][cell[0]].getAttribute('author')];
                } else {
                    return obj.records[cell[1]][cell[0]].getAttribute('title') || '';
                }
            } else {
                var data = {};
                for (var j = 0; j < obj.options.data.length; j++) {
                    for (var i = 0; i < obj.options.columns.length; i++) {
                        var comments = obj.records[j][i].getAttribute('title');
                        if (comments) {
                            var cell = jexcel.getColumnNameFromId([i, j]);
                            data[cell] = comments;
                        }
                    }
                }
                return data;
            }
        }

        /**
         * Set cell comments
         */
        obj.setComments = function(cellId, comments, author) {
            if (typeof(cellId) == 'string') {
                var cell = jexcel.getIdFromColumnName(cellId, true);
            } else {
                var cell = cellId;
            }
    
            // Keep old value
            var title = obj.records[cell[1]][cell[0]].getAttribute('title');
            var author = obj.records[cell[1]][cell[0]].getAttribute('data-author');
            var oldValue = [ title, author ];
    
            // Set new values
            obj.records[cell[1]][cell[0]].setAttribute('title', comments ? comments : '');
            obj.records[cell[1]][cell[0]].setAttribute('data-author', author ? author : '');
    
            // Remove class if there is no comment
            if (comments) {
                obj.records[cell[1]][cell[0]].classList.add('jexcel_comments');
            } else {
                obj.records[cell[1]][cell[0]].classList.remove('jexcel_comments');
            }
    
            // Save history
            obj.setHistory({
                action:'setComments',
                column: cellId,
                newValue: [ comments, author ],
                oldValue: oldValue,
            });
            // Set comments
            obj.dispatch('oncomments', el, comments, title);
        }
    
        /**
         * Get table config information
         */
        obj.getConfig = function() {
            var options = obj.options;
            options.style = obj.getStyle();
            options.mergeCells = obj.getMerge();
            options.comments = obj.getComments();
    
            return options;
        }
    
        /**
         * Sort data and reload table
         */
        obj.orderBy = function(column, order) {
            if (column >= 0) {
                // Merged cells
                if (Object.keys(obj.options.mergeCells).length > 0) {
                    if (! confirm(obj.options.text.thisActionWillDestroyAnyExistingMergedCellsAreYouSure)) {
                        return false;
                    } else {
                        // Remove merged cells
                        obj.destroyMerged();
                    }
                }
    
                // Direction
                if (order == null) {
                    order = obj.headers[column].classList.contains('arrow-down') ? 1 : 0;
                } else {
                    order = order ? 1 : 0;
                }
    
                // Test order
                var temp = [];
                if (obj.options.columns[column].type == 'number' || obj.options.columns[column].type == 'percentage' || obj.options.columns[column].type == 'autonumber' || obj.options.columns[column].type == 'color') {
                    for (var j = 0; j < obj.options.data.length; j++) {
                        temp[j] = [ j, Number(obj.options.data[j][column]) ];
                    }
                } else if (obj.options.columns[column].type == 'calendar' || obj.options.columns[column].type == 'checkbox' || obj.options.columns[column].type == 'radio') {
                    for (var j = 0; j < obj.options.data.length; j++) {
                        temp[j] = [ j, obj.options.data[j][column] ];
                    }
                } else {
                    for (var j = 0; j < obj.options.data.length; j++) {
                        temp[j] = [ j, obj.records[j][column].innerText.toLowerCase() ];
                    }
                }
    
                // Default sorting method
                if (typeof(obj.options.sorting) !== 'function') {
                    obj.options.sorting = function(direction) {
                        return function(a, b) {
                            var valueA = a[1];
                            var valueB = b[1];

                            if (! direction) {
                                return (valueA === '' && valueB !== '') ? 1 : (valueA !== '' && valueB === '') ? -1 : (valueA > valueB) ? 1 : (valueA < valueB) ? -1 :  0;
                            } else {
                                return (valueA === '' && valueB !== '') ? 1 : (valueA !== '' && valueB === '') ? -1 : (valueA > valueB) ? -1 : (valueA < valueB) ? 1 :  0;
                            }
                        }
                    }
                }

                temp = temp.sort(obj.options.sorting(order));
    
                // Save history
                var newValue = [];
                for (var j = 0; j < temp.length; j++) {
                    newValue[j] = temp[j][0];
                }
    
                // Save history
                obj.setHistory({
                    action: 'orderBy',
                    rows: newValue,
                    column: column,
                    order: order,
                });
    
                // Update order
                obj.updateOrderArrow(column, order);
                obj.updateOrder(newValue);
    
                // On sort event
                obj.dispatch('onsort', el, column, order);
    
                return true;
            }
        }
    
        /**
         * Update order arrow
         */
        obj.updateOrderArrow = function(column, order) {
            // Remove order
            for (var i = 0; i < obj.headers.length; i++) {
                obj.headers[i].classList.remove('arrow-up');
                obj.headers[i].classList.remove('arrow-down');
            }
    
            // No order specified then toggle order
            if (order) {
                obj.headers[column].classList.add('arrow-up');
            } else {
                obj.headers[column].classList.add('arrow-down');
            }
        }
    
        /**
         * Update rows position
         */
        obj.updateOrder = function(rows) {
            // History
            var data = []
            for (var j = 0; j < rows.length; j++) {
                data[j] = obj.options.data[rows[j]];
            }
            obj.options.data = data;
    
            var data = []
            for (var j = 0; j < rows.length; j++) {
                data[j] = obj.records[rows[j]];
            }
            obj.records = data;
    
            var data = []
            for (var j = 0; j < rows.length; j++) {
                data[j] = obj.rows[rows[j]];
            }
            obj.rows = data;
    
            // Update references
            obj.updateTableReferences();
    
            // Redo search
            if (obj.results && obj.results.length) {
                if (obj.searchInput.value) {
                    obj.search(obj.searchInput.value);
                } else {
                    obj.closeFilter();
                }
            } else {
                // Create page
                obj.results = null;
                obj.pageNumber = 0;
    
                if (obj.options.pagination > 0) {
                    obj.page(0);
                } else if (obj.options.lazyLoading == true) {
                    obj.loadPage(0);
                } else {
                    for (var j = 0; j < obj.rows.length; j++) {
                        obj.tbody.appendChild(obj.rows[j]);
                    }
                }
            }
        }
    
        /**
         * Move row
         * 
         * @return void
         */
        obj.moveRow = function(o, d, ignoreDom) {
            if (Object.keys(obj.options.mergeCells).length > 0) {
                if (o > d) {
                    var insertBefore = 1;
                } else {
                    var insertBefore = 0;
                }

                if (obj.isRowMerged(o).length || obj.isRowMerged(d, insertBefore).length) {
                    if (! confirm(obj.options.text.thisActionWillDestroyAnyExistingMergedCellsAreYouSure)) {
                        return false;
                    } else {
                        obj.destroyMerged();
                    }
                }
            }
    
            if (obj.options.search == true) {
                if (obj.results && obj.results.length != obj.rows.length) {
                    if (confirm(obj.options.text.thisActionWillClearYourSearchResultsAreYouSure)) {
                        obj.resetSearch();
                    } else {
                        return false;
                    }
                }
    
                obj.results = null;
            }
    
            if (! ignoreDom) {
                if (Array.prototype.indexOf.call(obj.tbody.children, obj.rows[d]) >= 0) {
                    if (o > d) {
                        obj.tbody.insertBefore(obj.rows[o], obj.rows[d]);
                    } else {
                        obj.tbody.insertBefore(obj.rows[o], obj.rows[d].nextSibling);
                    }
                } else {
                    obj.tbody.removeChild(obj.rows[o]);
                }
            }
    
            // Place references in the correct position
            obj.rows.splice(d, 0, obj.rows.splice(o, 1)[0]);
            obj.records.splice(d, 0, obj.records.splice(o, 1)[0]);
            obj.options.data.splice(d, 0, obj.options.data.splice(o, 1)[0]);
    
            // Respect pagination
            if (obj.options.pagination > 0 && obj.tbody.children.length != obj.options.pagination) {
                obj.page(obj.pageNumber);
            }
    
            // Keeping history of changes
            obj.setHistory({
                action:'moveRow',
                oldValue: o,
                newValue: d,
            });
    
            // Update table references
            obj.updateTableReferences();
    
            // Events
            obj.dispatch('onmoverow', el, o, d);
        }

        /**
         * Insert a new row
         * 
         * @param mixed - number of blank lines to be insert or a single array with the data of the new row
         * @param rowNumber
         * @param insertBefore
         * @return void
         */
        obj.insertRow = function(mixed, rowNumber, insertBefore) {
            // Configuration
            if (obj.options.allowInsertRow == true) {
                // Records
                var records = [];
    
                // Data to be insert
                var data = [];
    
                // The insert could be lead by number of rows or the array of data
                if (mixed > 0) {
                    var numOfRows = mixed;
                } else {
                    var numOfRows = 1;
    
                    if (mixed) {
                        data = mixed;
                    }
                }
    
                // Direction
                var insertBefore = insertBefore ? true : false;
    
                // Current column number
                var lastRow = obj.options.data.length - 1;
    
                if (rowNumber == undefined || rowNumber >= parseInt(lastRow) || rowNumber < 0) {
                    rowNumber = lastRow;
                }
    
                // Onbeforeinsertrow
                if (obj.dispatch('onbeforeinsertrow', el, rowNumber, numOfRows, insertBefore) === false) {
                    console.log('onbeforeinsertrow returned false');

                    return false;
                }
    
                // Merged cells
                if (Object.keys(obj.options.mergeCells).length > 0) {
                    if (obj.isRowMerged(rowNumber, insertBefore).length) {
                        if (! confirm(obj.options.text.thisActionWillDestroyAnyExistingMergedCellsAreYouSure)) {
                            return false;
                        } else {
                            obj.destroyMerged();
                        }
                    }
                }
    
                // Clear any search
                if (obj.options.search == true) {
                    if (obj.results && obj.results.length != obj.rows.length) {
                        if (confirm(obj.options.text.thisActionWillClearYourSearchResultsAreYouSure)) {
                            obj.resetSearch();
                        } else {
                            return false;
                        }
                    }
    
                    obj.results = null;
                }
    
                // Insertbefore
                var rowIndex = (! insertBefore) ? rowNumber + 1 : rowNumber;

                // Keep the current data
                var currentRecords = obj.records.splice(rowIndex);
                var currentData = obj.options.data.splice(rowIndex);
                var currentRows = obj.rows.splice(rowIndex);
    
                // Adding lines
                var rowRecords = [];
                var rowData = [];
                var rowNode = [];

                for (var row = rowIndex; row < (numOfRows + rowIndex); row++) {
                    // Push data to the data container
                    obj.options.data[row] = [];
                    for (var col = 0; col < obj.options.columns.length; col++) {
                        obj.options.data[row][col]  = data[col] ? data[col] : '';
                    }
                    // Create row
                    var tr = obj.createRow(row, obj.options.data[row]);
                    // Append node
                    if (currentRows[0]) {
                        if (Array.prototype.indexOf.call(obj.tbody.children, currentRows[0]) >= 0) {
                            obj.tbody.insertBefore(tr, currentRows[0]);
                        }
                    } else {
                        if (Array.prototype.indexOf.call(obj.tbody.children, obj.rows[rowNumber]) >= 0) {
                            obj.tbody.appendChild(tr);
                        }
                    }
                    // Record History
                    rowRecords.push(obj.records[row]);
                    rowData.push(obj.options.data[row]);
                    rowNode.push(tr);
                }
    
                // Copy the data back to the main data
                Array.prototype.push.apply(obj.records, currentRecords);
                Array.prototype.push.apply(obj.options.data, currentData);
                Array.prototype.push.apply(obj.rows, currentRows);
    
                // Respect pagination
                if (obj.options.pagination > 0) {
                    obj.page(obj.pageNumber);
                }
    
                // Keep history
                obj.setHistory({
                    action: 'insertRow',
                    rowNumber: rowNumber,
                    numOfRows: numOfRows,
                    insertBefore: insertBefore,
                    rowRecords: rowRecords,
                    rowData: rowData,
                    rowNode: rowNode,
                });
    
                // Remove table references
                obj.updateTableReferences();
    
                // Events
                obj.dispatch('oninsertrow', el, rowNumber, numOfRows, rowRecords, insertBefore);
            }
        }
    
        /**
         * Delete a row by number
         * 
         * @param integer rowNumber - row number to be excluded
         * @param integer numOfRows - number of lines
         * @return void
         */
        obj.deleteRow = function(rowNumber, numOfRows) {
            // Global Configuration
            if (obj.options.allowDeleteRow == true) {
                if (obj.options.allowDeletingAllRows == true || obj.options.data.length > 1) {
                    // Delete row definitions
                    if (rowNumber == undefined) {
                        var number = obj.getSelectedRows();
    
                        if (! number[0]) {
                            rowNumber = obj.options.data.length - 1;
                            numOfRows = 1;
                        } else {
                            rowNumber = parseInt(number[0].getAttribute('data-y'));
                            numOfRows = number.length;
                        }
                    }
    
                    // Last column
                    var lastRow = obj.options.data.length - 1;
    
                    if (rowNumber == undefined || rowNumber > lastRow || rowNumber < 0) {
                        rowNumber = lastRow;
                    }
    
                    if (! numOfRows) {
                        numOfRows = 1;
                    }
    
                    // Do not delete more than the number of recoreds
                    if (rowNumber + numOfRows >= obj.options.data.length) {
                        numOfRows = obj.options.data.length - rowNumber;
                    }

                    // Onbeforedeleterow
                    if (obj.dispatch('onbeforedeleterow', el, rowNumber, numOfRows) === false) {
                        console.log('onbeforedeleterow returned false');
                        return false;
                    }
    
                    if (parseInt(rowNumber) > -1) {
                        // Merged cells
                        var mergeExists = false;
                        if (Object.keys(obj.options.mergeCells).length > 0) {
                            for (var row = rowNumber; row < rowNumber + numOfRows; row++) {
                                if (obj.isRowMerged(row, false).length) {
                                    mergeExists = true;
                                }
                            }
                        }
                        if (mergeExists) {
                            if (! confirm(obj.options.text.thisActionWillDestroyAnyExistingMergedCellsAreYouSure)) {
                                return false;
                            } else {
                                obj.destroyMerged();
                            }
                        }
    
                        // Clear any search
                        if (obj.options.search == true) {
                            if (obj.results && obj.results.length != obj.rows.length) {
                                if (confirm(obj.options.text.thisActionWillClearYourSearchResultsAreYouSure)) {
                                    obj.resetSearch();
                                } else {
                                    return false;
                                }
                            }
    
                            obj.results = null;
                        }
    
                        // If delete all rows, and set allowDeletingAllRows false, will stay one row
                        if (obj.options.allowDeletingAllRows == false && lastRow + 1 === numOfRows) {
                            numOfRows--;
                            console.error('JEXCEL. It is not possible to delete the last row');
                        }
    
                        // Remove node
                        for (var row = rowNumber; row < rowNumber + numOfRows; row++) {
                            if (Array.prototype.indexOf.call(obj.tbody.children, obj.rows[row]) >= 0) {
                                obj.rows[row].className = '';
                                obj.rows[row].parentNode.removeChild(obj.rows[row]);
                            }
                        }
    
                        // Remove data
                        var rowRecords = obj.records.splice(rowNumber, numOfRows);
                        var rowData = obj.options.data.splice(rowNumber, numOfRows);
                        var rowNode = obj.rows.splice(rowNumber, numOfRows);
    
                        // Respect pagination
                        if (obj.options.pagination > 0 && obj.tbody.children.length != obj.options.pagination) {
                            obj.page(obj.pageNumber);
                        }
    
                        // Remove selection
                        obj.conditionalSelectionUpdate(1, rowNumber, (rowNumber + numOfRows) - 1);
    
                        // Keep history
                        obj.setHistory({
                            action: 'deleteRow',
                            rowNumber: rowNumber,
                            numOfRows: numOfRows,
                            insertBefore: 1,
                            rowRecords: rowRecords,
                            rowData: rowData,
                            rowNode: rowNode
                        });
    
                        // Remove table references
                        obj.updateTableReferences();
    
                        // Events
                        obj.dispatch('ondeleterow', el, rowNumber, numOfRows, rowRecords);
                    }
                } else {
                    console.error('JEXCEL. It is not possible to delete the last row');
                }
            }
        }
    
    
        /**
         * Move column
         * 
         * @return void
         */
        obj.moveColumn = function(o, d) {
            if (Object.keys(obj.options.mergeCells).length > 0) {
                if (o > d) {
                    var insertBefore = 1;
                } else {
                    var insertBefore = 0;
                }

                if (obj.isColMerged(o).length || obj.isColMerged(d, insertBefore).length) {
                    if (! confirm(obj.options.text.thisActionWillDestroyAnyExistingMergedCellsAreYouSure)) {
                        return false;
                    } else {
                        obj.destroyMerged();
                    }
                }
            }
    
            var o = parseInt(o);
            var d = parseInt(d);
    
            if (o > d) {
                obj.headerContainer.insertBefore(obj.headers[o], obj.headers[d]);
                obj.colgroupContainer.insertBefore(obj.colgroup[o], obj.colgroup[d]);
    
                for (var j = 0; j < obj.rows.length; j++) {
                    obj.rows[j].insertBefore(obj.records[j][o], obj.records[j][d]);
                }
            } else {
                obj.headerContainer.insertBefore(obj.headers[o], obj.headers[d].nextSibling);
                obj.colgroupContainer.insertBefore(obj.colgroup[o], obj.colgroup[d].nextSibling);
    
                for (var j = 0; j < obj.rows.length; j++) {
                    obj.rows[j].insertBefore(obj.records[j][o], obj.records[j][d].nextSibling);
                }
            }
    
            obj.options.columns.splice(d, 0, obj.options.columns.splice(o, 1)[0]);
            obj.headers.splice(d, 0, obj.headers.splice(o, 1)[0]);
            obj.colgroup.splice(d, 0, obj.colgroup.splice(o, 1)[0]);
    
            for (var j = 0; j < obj.rows.length; j++) {
                obj.options.data[j].splice(d, 0, obj.options.data[j].splice(o, 1)[0]);
                obj.records[j].splice(d, 0, obj.records[j].splice(o, 1)[0]);
            }
    
            // Update footers position
            if (obj.options.footers) {
                for (var j = 0; j < obj.options.footers.length; j++) {
                    obj.options.footers[j].splice(d, 0, obj.options.footers[j].splice(o, 1)[0]);
                }
            }

            // Keeping history of changes
            obj.setHistory({
                action:'moveColumn',
                oldValue: o,
                newValue: d,
            });
    
            // Update table references
            obj.updateTableReferences();
    
            // Events
            obj.dispatch('onmovecolumn', el, o, d);
        }

        /**
         * Insert a new column
         * 
         * @param mixed - num of columns to be added or data to be added in one single column
         * @param int columnNumber - number of columns to be created
         * @param bool insertBefore
         * @param object properties - column properties
         * @return void
         */
        obj.insertColumn = function(mixed, columnNumber, insertBefore, properties) {
            // Configuration
            if (obj.options.allowInsertColumn == true) {
                // Records
                var records = [];
    
                // Data to be insert
                var data = [];
    
                // The insert could be lead by number of rows or the array of data
                if (mixed > 0) {
                    var numOfColumns = mixed;
                } else {
                    var numOfColumns = 1;
    
                    if (mixed) {
                        data = mixed;
                    }
                }
    
                // Direction
                var insertBefore = insertBefore ? true : false;
    
                // Current column number
                var lastColumn = obj.options.columns.length - 1;
    
                // Confirm position
                if (columnNumber == undefined || columnNumber >= parseInt(lastColumn) || columnNumber < 0) {
                    columnNumber = lastColumn;
                }
    
                // Onbeforeinsertcolumn
                if (obj.dispatch('onbeforeinsertcolumn', el, columnNumber, numOfColumns, insertBefore) === false) {
                    console.log('onbeforeinsertcolumn returned false');

                    return false;
                }
    
                // Merged cells
                if (Object.keys(obj.options.mergeCells).length > 0) {
                    if (obj.isColMerged(columnNumber, insertBefore).length) {
                        if (! confirm(obj.options.text.thisActionWillDestroyAnyExistingMergedCellsAreYouSure)) {
                            return false;
                        } else {
                            obj.destroyMerged();
                        }
                    }
                }
    
                // Create default properties
                if (! properties) {
                    properties = [];
                }
    
                for (var i = 0; i < numOfColumns; i++) {
                    if (! properties[i]) {
                        properties[i] = { type:'text', source:[], options:[], width:obj.options.defaultColWidth, align:obj.options.defaultColAlign };
                    }
                }
    
                // Insert before
                var columnIndex = (! insertBefore) ? columnNumber + 1 : columnNumber;
                obj.options.columns = jexcel.injectArray(obj.options.columns, columnIndex, properties);
    
                // Open space in the containers
                var currentHeaders = obj.headers.splice(columnIndex);
                var currentColgroup = obj.colgroup.splice(columnIndex);
    
                // History
                var historyHeaders = [];
                var historyColgroup = [];
                var historyRecords = [];
                var historyData = [];
                var historyFooters = [];
    
                // Add new headers
                for (var col = columnIndex; col < (numOfColumns + columnIndex); col++) {
                    obj.createCellHeader(col);
                    obj.headerContainer.insertBefore(obj.headers[col], obj.headerContainer.children[col+1]);
                    obj.colgroupContainer.insertBefore(obj.colgroup[col], obj.colgroupContainer.children[col+1]);
    
                    historyHeaders.push(obj.headers[col]);
                    historyColgroup.push(obj.colgroup[col]);
                }
    
                // Add new footer cells
                if (obj.options.footers) {
                    for (var j = 0; j < obj.options.footers.length; j++) {
                        historyFooters[j] = [];
                        for (var i = 0; i < numOfColumns; i++) {
                            historyFooters[j].push('');
                        }
                        obj.options.footers[j].splice(columnIndex, 0, historyFooters[j]);
                    }
                }

                // Adding visual columns
                for (var row = 0; row < obj.options.data.length; row++) {
                    // Keep the current data
                    var currentData = obj.options.data[row].splice(columnIndex);
                    var currentRecord = obj.records[row].splice(columnIndex);
    
                    // History
                    historyData[row] = [];
                    historyRecords[row] = [];
    
                    for (var col = columnIndex; col < (numOfColumns + columnIndex); col++) {
                        // New value
                        var value = data[row] ? data[row] : '';
                        obj.options.data[row][col] = value;
                        // New cell
                        var td = obj.createCell(col, row, obj.options.data[row][col]);
                        obj.records[row][col] = td;
                        // Add cell to the row
                        if (obj.rows[row]) {
                            obj.rows[row].insertBefore(td, obj.rows[row].children[col+1]);
                        }
    
                        // Record History
                        historyData[row].push(value);
                        historyRecords[row].push(td);
                    }
    
                    // Copy the data back to the main data
                    Array.prototype.push.apply(obj.options.data[row], currentData);
                    Array.prototype.push.apply(obj.records[row], currentRecord);
                }
    
                Array.prototype.push.apply(obj.headers, currentHeaders);
                Array.prototype.push.apply(obj.colgroup, currentColgroup);
    
                // Adjust nested headers
                if (obj.options.nestedHeaders && obj.options.nestedHeaders.length > 0) {
                    // Flexible way to handle nestedheaders
                    if (obj.options.nestedHeaders[0] && obj.options.nestedHeaders[0][0]) {
                        for (var j = 0; j < obj.options.nestedHeaders.length; j++) {
                            var colspan = parseInt(obj.options.nestedHeaders[j][obj.options.nestedHeaders[j].length-1].colspan) + numOfColumns;
                            obj.options.nestedHeaders[j][obj.options.nestedHeaders[j].length-1].colspan = colspan;
                            obj.thead.children[j].children[obj.thead.children[j].children.length-1].setAttribute('colspan', colspan);
                        }
                    } else {
                        var colspan = parseInt(obj.options.nestedHeaders[0].colspan) + numOfColumns;
                        obj.options.nestedHeaders[0].colspan = colspan;
                        obj.thead.children[0].children[obj.thead.children[0].children.length-1].setAttribute('colspan', colspan);
                    }
                }
    
                // Keep history
                obj.setHistory({
                    action: 'insertColumn',
                    columnNumber:columnNumber,
                    numOfColumns:numOfColumns,
                    insertBefore:insertBefore,
                    columns:properties,
                    headers:historyHeaders,
                    colgroup:historyColgroup,
                    records:historyRecords,
                    footers:historyFooters,
                    data:historyData,
                });
    
                // Remove table references
                obj.updateTableReferences();
    
                // Events
                obj.dispatch('oninsertcolumn', el, columnNumber, numOfColumns, historyRecords, insertBefore);
            }
        }
    
        /**
         * Delete a column by number
         * 
         * @param integer columnNumber - reference column to be excluded
         * @param integer numOfColumns - number of columns to be excluded from the reference column
         * @return void
         */
        obj.deleteColumn = function(columnNumber, numOfColumns) {
            // Global Configuration
            if (obj.options.allowDeleteColumn == true) {
                if (obj.headers.length > 1) {
                    // Delete column definitions
                    if (columnNumber == undefined) {
                        var number = obj.getSelectedColumns(true);
    
                        if (! number.length) {
                            // Remove last column
                            columnNumber = obj.headers.length - 1;
                            numOfColumns = 1;
                        } else {
                            // Remove selected
                            columnNumber = parseInt(number[0]);
                            numOfColumns = parseInt(number.length);
                        }
                    }
    
                    // Lasat column
                    var lastColumn = obj.options.data[0].length - 1;
    
                    if (columnNumber == undefined || columnNumber > lastColumn || columnNumber < 0) {
                        columnNumber = lastColumn;
                    }
    
                    // Minimum of columns to be delete is 1
                    if (! numOfColumns) {
                        numOfColumns = 1;
                    }
    
                    // Can't delete more than the limit of the table
                    if (numOfColumns > obj.options.data[0].length - columnNumber) {
                        numOfColumns = obj.options.data[0].length - columnNumber;
                    }
    
                    // onbeforedeletecolumn
                   if (obj.dispatch('onbeforedeletecolumn', el, columnNumber, numOfColumns) === false) {
                      console.log('onbeforedeletecolumn returned false');
                      return false;
                   }
    
                    // Can't remove the last column
                    if (parseInt(columnNumber) > -1) {
                        // Merged cells
                        var mergeExists = false;
                        if (Object.keys(obj.options.mergeCells).length > 0) {
                            for (var col = columnNumber; col < columnNumber + numOfColumns; col++) {
                                if (obj.isColMerged(col, false).length) {
                                    mergeExists = true;
                                }
                            }
                        }
                        if (mergeExists) {
                            if (! confirm(obj.options.text.thisActionWillDestroyAnyExistingMergedCellsAreYouSure)) {
                                return false;
                            } else {
                                obj.destroyMerged();
                            }
                        }
    
                        // Delete the column properties
                        var columns = obj.options.columns.splice(columnNumber, numOfColumns);
    
                        for (var col = columnNumber; col < columnNumber + numOfColumns; col++) {
                            obj.colgroup[col].className = '';
                            obj.headers[col].className = '';
                            obj.colgroup[col].parentNode.removeChild(obj.colgroup[col]);
                            obj.headers[col].parentNode.removeChild(obj.headers[col]);
                        }
    
                        var historyHeaders = obj.headers.splice(columnNumber, numOfColumns);
                        var historyColgroup = obj.colgroup.splice(columnNumber, numOfColumns);
                        var historyRecords = [];
                        var historyData = [];
                        var historyFooters = [];

                        for (var row = 0; row < obj.options.data.length; row++) {
                            for (var col = columnNumber; col < columnNumber + numOfColumns; col++) {
                                obj.records[row][col].className = '';
                                obj.records[row][col].parentNode.removeChild(obj.records[row][col]);
                            }
                        }
    
                        // Delete headers
                        for (var row = 0; row < obj.options.data.length; row++) {
                            // History
                            historyData[row] = obj.options.data[row].splice(columnNumber, numOfColumns);
                            historyRecords[row] = obj.records[row].splice(columnNumber, numOfColumns);
                        }

                        // Delete footers
                        if (obj.options.footers) {
                            for (var row = 0; row < obj.options.footers.length; row++) {
                                historyFooters[row] = obj.options.footers[row].splice(columnNumber, numOfColumns);
                            }
                        }

                        // Remove selection
                        obj.conditionalSelectionUpdate(0, columnNumber, (columnNumber + numOfColumns) - 1);
    
                        // Adjust nested headers
                        if (obj.options.nestedHeaders && obj.options.nestedHeaders.length > 0) {
                            // Flexible way to handle nestedheaders
                            if (obj.options.nestedHeaders[0] && obj.options.nestedHeaders[0][0]) {
                                for (var j = 0; j < obj.options.nestedHeaders.length; j++) {
                                    var colspan = parseInt(obj.options.nestedHeaders[j][obj.options.nestedHeaders[j].length-1].colspan) - numOfColumns;
                                    obj.options.nestedHeaders[j][obj.options.nestedHeaders[j].length-1].colspan = colspan;
                                    obj.thead.children[j].children[obj.thead.children[j].children.length-1].setAttribute('colspan', colspan);
                                }
                            } else {
                                var colspan = parseInt(obj.options.nestedHeaders[0].colspan) - numOfColumns;
                                obj.options.nestedHeaders[0].colspan = colspan;
                                obj.thead.children[0].children[obj.thead.children[0].children.length-1].setAttribute('colspan', colspan);
                            }
                        }
    
                        // Keeping history of changes
                        obj.setHistory({
                            action:'deleteColumn',
                            columnNumber:columnNumber,
                            numOfColumns:numOfColumns,
                            insertBefore: 1,
                            columns:columns,
                            headers:historyHeaders,
                            colgroup:historyColgroup,
                            records:historyRecords,
                            footers:historyFooters,
                            data:historyData,
                        });
    
                        // Update table references
                        obj.updateTableReferences();
    
                        // Delete
                        obj.dispatch('ondeletecolumn', el, columnNumber, numOfColumns, historyRecords);
                    }
                } else {
                    console.error('JEXCEL. It is not possible to delete the last column');
                }
            }
        }
    
        /**
         * Get seleted rows numbers
         * 
         * @return array
         */
        obj.getSelectedRows = function(asIds) {
            var rows = [];
            // Get all selected rows
            for (var j = 0; j < obj.rows.length; j++) {
                if (obj.rows[j].classList.contains('selected')) {
                    if (asIds) {
                        rows.push(j);
                    } else {
                        rows.push(obj.rows[j]);
                    }
                }
            }
    
            return rows;
        },
    
        /**
         * Get seleted column numbers
         * 
         * @return array
         */
        obj.getSelectedColumns = function() {
            var cols = [];
            // Get all selected cols
            for (var i = 0; i < obj.headers.length; i++) {
                if (obj.headers[i].classList.contains('selected')) {
                    cols.push(i);
                }
            }
    
            return cols;
        }
    
        /**
         * Get highlighted
         * 
         * @return array
         */
        obj.getHighlighted = function() {
            return obj.highlighted;
        }
    
        /**
         * Update cell references
         * 
         * @return void
         */
        obj.updateTableReferences = function() {
            // Update headers
            for (var i = 0; i < obj.headers.length; i++) {
                var x = obj.headers[i].getAttribute('data-x');
    
                if (x != i) {
                    // Update coords
                    obj.headers[i].setAttribute('data-x', i);
                    // Title
                    if (! obj.headers[i].getAttribute('title')) {
                        obj.headers[i].innerHTML = jexcel.getColumnName(i);
                    }
                }
            }
    
            // Update all rows
            for (var j = 0; j < obj.rows.length; j++) {
                if (obj.rows[j]) {
                    var y = obj.rows[j].getAttribute('data-y');
    
                    if (y != j) {
                        // Update coords
                        obj.rows[j].setAttribute('data-y', j);
                        obj.rows[j].children[0].setAttribute('data-y', j);
                        // Row number
                        obj.rows[j].children[0].innerHTML = j + 1;
                    }
                }
            }
    
            // Regular cells affected by this change
            var affectedTokens = [];
            var mergeCellUpdates = [];
    
            // Update cell
            var updatePosition = function(x,y,i,j) {
                if (x != i) {
                    obj.records[j][i].setAttribute('data-x', i);
                }
                if (y != j) {
                    obj.records[j][i].setAttribute('data-y', j);
                }
    
                // Other updates
                if (x != i || y != j) {
                    var columnIdFrom = jexcel.getColumnNameFromId([x, y]);
                    var columnIdTo = jexcel.getColumnNameFromId([i, j]);
                    affectedTokens[columnIdFrom] = columnIdTo;
                }
            }
    
            for (var j = 0; j < obj.records.length; j++) {
                for (var i = 0; i < obj.records[0].length; i++) {
                    if (obj.records[j][i]) {
                        // Current values
                        var x = obj.records[j][i].getAttribute('data-x');
                        var y = obj.records[j][i].getAttribute('data-y');
    
                        // Update column
                        if (obj.records[j][i].getAttribute('data-merged')) {
                            var columnIdFrom = jexcel.getColumnNameFromId([x, y]);
                            var columnIdTo = jexcel.getColumnNameFromId([i, j]);
                            if (mergeCellUpdates[columnIdFrom] == null) {
                                if (columnIdFrom == columnIdTo) {
                                    mergeCellUpdates[columnIdFrom] = false;
                                } else {
                                    var totalX = parseInt(i - x);
                                    var totalY = parseInt(j - y);
                                    mergeCellUpdates[columnIdFrom] = [ columnIdTo, totalX, totalY ];
                                }
                            }
                        } else {
                            updatePosition(x,y,i,j);
                        }
                    }
                }
            }
    
            // Update merged if applicable
            var keys = Object.keys(mergeCellUpdates);
            if (keys.length) {
                for (var i = 0; i < keys.length; i++) {
                    if (mergeCellUpdates[keys[i]]) {
                        var info = jexcel.getIdFromColumnName(keys[i], true)
                        var x = info[0];
                        var y = info[1];
                        updatePosition(x,y,x + mergeCellUpdates[keys[i]][1],y + mergeCellUpdates[keys[i]][2]);
    
                        var columnIdFrom = keys[i];
                        var columnIdTo = mergeCellUpdates[keys[i]][0];
                        for (var j = 0; j < obj.options.mergeCells[columnIdFrom][2].length; j++) {
                            var x = parseInt(obj.options.mergeCells[columnIdFrom][2][j].getAttribute('data-x'));
                            var y = parseInt(obj.options.mergeCells[columnIdFrom][2][j].getAttribute('data-y'));
                            obj.options.mergeCells[columnIdFrom][2][j].setAttribute('data-x', x + mergeCellUpdates[keys[i]][1]);
                            obj.options.mergeCells[columnIdFrom][2][j].setAttribute('data-y', y + mergeCellUpdates[keys[i]][2]);
                        }
    
                        obj.options.mergeCells[columnIdTo] = obj.options.mergeCells[columnIdFrom];
                        delete(obj.options.mergeCells[columnIdFrom]);
                    }
                }
            }
    
            // Update formulas
            obj.updateFormulas(affectedTokens);
    
            // Update meta data
            obj.updateMeta(affectedTokens);
    
            // Refresh selection
            obj.refreshSelection();
    
            // Update table with custom configuration if applicable
            obj.updateTable();
        }
    
        /**
         * Custom settings for the cells
         */
        obj.updateTable = function() {
            // Check for spare
            if (obj.options.minSpareRows > 0) {
                var numBlankRows = 0;
                for (var j = obj.rows.length - 1; j >= 0; j--) {
                    var test = false;
                    for (var i = 0; i < obj.headers.length; i++) {
                        if (obj.options.data[j][i]) {
                            test = true;
                        }
                    }
                    if (test) {
                        break;
                    } else {
                        numBlankRows++;
                    }
                }
    
                if (obj.options.minSpareRows - numBlankRows > 0) {
                    obj.insertRow(obj.options.minSpareRows - numBlankRows)
                }
            }
    
            if (obj.options.minSpareCols > 0) {
                var numBlankCols = 0;
                for (var i = obj.headers.length - 1; i >= 0 ; i--) {
                    var test = false;
                    for (var j = 0; j < obj.rows.length; j++) {
                        if (obj.options.data[j][i]) {
                            test = true;
                        }
                    }
                    if (test) {
                        break;
                    } else {
                        numBlankCols++;
                    }
                }
    
                if (obj.options.minSpareCols - numBlankCols > 0) {
                    obj.insertColumn(obj.options.minSpareCols - numBlankCols)
                }
            }
    
            // Customizations by the developer
            if (typeof(obj.options.updateTable) == 'function') {
                if (obj.options.detachForUpdates) {
                    el.removeChild(obj.content);
                }

                for (var j = 0; j < obj.rows.length; j++) {
                    for (var i = 0; i < obj.headers.length; i++) {
                        obj.options.updateTable(el, obj.records[j][i], i, j, obj.options.data[j][i], obj.records[j][i].innerText, jexcel.getColumnNameFromId([i, j]));
                    }
                }

                if (obj.options.detachForUpdates) {
                    el.insertBefore(obj.content, obj.pagination);
                }
            }
    
            // Update footers
            if (obj.options.footers) {
                obj.setFooter();
            }

            // Update corner position
            setTimeout(function() {
                obj.updateCornerPosition();
            },0);
        }

        /**
         * Readonly
         */
        obj.isReadOnly = function(cell) {
            if (cell = obj.getCell(cell)) {
                return cell.classList.contains('readonly') ? true : false;
            }
        }

        /**
         * Readonly
         */
        obj.setReadOnly = function(cell, state) {
            if (cell = obj.getCell(cell)) {
                if (state) {
                    cell.classList.add('readonly');
                } else {
                    cell.classList.remove('readonly');
                }
            }
        }

        /**
         * Show row
         */
        obj.showRow = function(rowNumber) {
            obj.rows[rowNumber].style.display = '';
        }

        /**
         * Hide row
         */
        obj.hideRow = function(rowNumber) {
            obj.rows[rowNumber].style.display = 'none';
        }

        /**
         * Show column
         */
        obj.showColumn = function(colNumber) {
            obj.headers[colNumber].style.display = '';
            obj.colgroup[colNumber].style.display = '';
            for (var j = 0; j < obj.options.data.length; j++) {
                obj.records[j][colNumber].style.display = '';
            }
        }

        /**
         * Hide column
         */
        obj.hideColumn = function(colNumber) {
            obj.headers[colNumber].style.display = 'none';
            obj.colgroup[colNumber].style.display = 'none';
            for (var j = 0; j < obj.options.data.length; j++) {
                obj.records[j][colNumber].style.display = 'none';
            }
        }

        /**
         * Show index column
         */
        obj.showIndex = function() {
            obj.table.classList.remove('jexcel_hidden_index');
        }
    
        /**
         * Hide index column
         */
        obj.hideIndex = function() {
            obj.table.classList.add('jexcel_hidden_index');
        }
    
        /**
         * Update all related cells in the chain
         */
        var chainLoopProtection = [];
    
        obj.updateFormulaChain = function(x, y, records) {
            var cellId = jexcel.getColumnNameFromId([x, y]);
            if (obj.formula[cellId] && obj.formula[cellId].length > 0) {
                if (chainLoopProtection[cellId]) {
                    obj.records[y][x].innerHTML = '#ERROR';
                    obj.formula[cellId] = '';
                } else {
                    // Protection
                    chainLoopProtection[cellId] = true;
    
                    for (var i = 0; i < obj.formula[cellId].length; i++) {
                        var cell = jexcel.getIdFromColumnName(obj.formula[cellId][i], true);
                        // Update cell
                        var value = ''+obj.options.data[cell[1]][cell[0]];
                        if (value.substr(0,1) == '=') {
                            records.push(obj.updateCell(cell[0], cell[1], value, true));
                        } else {
                            // No longer a formula, remove from the chain
                            Object.keys(obj.formula)[i] = null;
                        }
                        obj.updateFormulaChain(cell[0], cell[1], records);
                    }
                }
            }
    
            chainLoopProtection = [];
        }
    
        /**
         * Update formulas
         */
        obj.updateFormulas = function(referencesToUpdate) {
            // Update formulas
            for (var j = 0; j < obj.options.data.length; j++) {
                for (var i = 0; i < obj.options.data[0].length; i++) {
                    var value = '' + obj.options.data[j][i];
                    // Is formula
                    if (value.substr(0,1) == '=') {
                        // Replace tokens
                        var newFormula = obj.updateFormula(value, referencesToUpdate);
                        if (newFormula != value) {
                            obj.options.data[j][i] = newFormula;
                        }
                    }
                }
            }
    
            // Update formula chain
            var formula = [];
            var keys = Object.keys(obj.formula);
            for (var j = 0; j < keys.length; j++) {
                // Current key and values
                var key = keys[j];
                var value = obj.formula[key];
                // Update key
                if (referencesToUpdate[key]) {
                    key = referencesToUpdate[key];
                }
                // Update values
                formula[key] = [];
                for (var i = 0; i < value.length; i++) {
                    var letter = value[i];
                    if (referencesToUpdate[letter]) {
                        letter = referencesToUpdate[letter];
                    }
                    formula[key].push(letter);
                }
            }
            obj.formula = formula;
        }
    
        /**
         * Update formula
         */
        obj.updateFormula = function(formula, referencesToUpdate) {
            var testLetter = /[A-Z]/;
            var testNumber = /[0-9]/;
    
            var newFormula = '';
            var letter = null;
            var number = null;
            var token = '';
    
            for (var index = 0; index < formula.length; index++) {
                if (testLetter.exec(formula[index])) {
                    letter = 1;
                    number = 0;
                    token += formula[index];
                } else if (testNumber.exec(formula[index])) {
                    number = letter ? 1 : 0;
                    token += formula[index];
                } else {
                    if (letter && number) {
                        token = referencesToUpdate[token] ? referencesToUpdate[token] : token;
                    }
                    newFormula += token;
                    newFormula += formula[index];
                    letter = 0;
                    number = 0;
                    token = '';
                }
            }
    
            if (token) {
                if (letter && number) {
                    token = referencesToUpdate[token] ? referencesToUpdate[token] : token;
                }
                newFormula += token;
            }
    
            return newFormula;
        }
    
        /**
         * Secure formula
         */
        var secureFormula = function(oldValue) {
            var newValue = '';
            var inside = 0;

            for (var i = 0; i < oldValue.length; i++) {
                if (oldValue[i] == '"') {
                    if (inside == 0) {
                        inside = 1;
                    } else {
                        inside = 0;
                    }
                }

                if (inside == 1) {
                    newValue += oldValue[i];
                } else {
                    newValue += oldValue[i].toUpperCase();
                }
            }

            return newValue;
        }

        /**
         * Parse formulas
         */
        obj.executeFormula = function(expression, x, y) {
    
            var formulaResults = [];
            var formulaLoopProtection = [];
    
            // Execute formula with loop protection
            var execute = function(expression, x, y) {
             // Parent column identification
                var parentId = jexcel.getColumnNameFromId([x, y]);
    
                // Code protection
                if (formulaLoopProtection[parentId]) {
                    console.error('Reference loop detected');
                    return '#ERROR';
                }
    
                formulaLoopProtection[parentId] = true;
    
                // Convert range tokens
                var tokensUpdate = function(tokens) {
                    for (var index = 0; index < tokens.length; index++) {
                        var f = [];
                        var token = tokens[index].split(':');
                        var e1 = jexcel.getIdFromColumnName(token[0], true);
                        var e2 = jexcel.getIdFromColumnName(token[1], true);
    
                        if (e1[0] <= e2[0]) {
                            var x1 = e1[0];
                            var x2 = e2[0];
                        } else {
                            var x1 = e2[0];
                            var x2 = e1[0];
                        }
    
                        if (e1[1] <= e2[1]) {
                            var y1 = e1[1];
                            var y2 = e2[1];
                        } else {
                            var y1 = e2[1];
                            var y2 = e1[1];
                        }
    
                        for (var j = y1; j <= y2; j++) {
                            for (var i = x1; i <= x2; i++) {
                                f.push(jexcel.getColumnNameFromId([i, j]));
                            }
                        }
    
                        expression = expression.replace(tokens[index], f.join(','));
                    }
                }
    
                // Range with $ remove $
                expression = expression.replace(/\$?([A-Z])+\$?([0-9])+/g, "$1$2");

                var tokens = expression.match(/([A-Z]+[0-9]+)\:([A-Z]+[0-9]+)/g);
                if (tokens && tokens.length) {
                    tokensUpdate(tokens);
                }
    
                // String
                var evalstring = '';
    
                // Get tokens
                var tokens = expression.match(/([A-Z]+[0-9]+)/g);
    
                // Direct self-reference protection
                if (tokens && tokens.indexOf(parentId) > -1) {
                    console.error('Self Reference detected');
                    return '#ERROR';
                } else {
                    if (tokens) {
                        for (var i = 0; i < tokens.length; i++) {
                            // Keep chain
                            if (! obj.formula[tokens[i]]) {
                                obj.formula[tokens[i]] = [];
                            }
                            // Is already in the register
                            if (obj.formula[tokens[i]].indexOf(parentId) < 0) {
                                obj.formula[tokens[i]].push(parentId);
                            }
    
                            // Do not calculate again
                            if (eval('typeof(' + tokens[i] + ') == "undefined"')) {
                                // Coords
                                var position = jexcel.getIdFromColumnName(tokens[i], 1);
                                // Get value
                                if (typeof(obj.options.data[position[1]]) != 'undefined' && typeof(obj.options.data[position[1]][position[0]]) != 'undefined') {
                                    var value = obj.options.data[position[1]][position[0]];
                                } else {
                                    var value = '';
                                }
                                // Get column data
                                if ((''+value).substr(0,1) == '=') {
                                    if (formulaResults[tokens[i]]) {
                                        value = formulaResults[tokens[i]];
                                    } else {
                                        value = execute(value, position[0], position[1]);
                                        formulaResults[tokens[i]] = value;
                                    }
                                }
                                // Type!
                                if ((''+value).trim() == '') {
                                    // Null
                                    evalstring += "var " + tokens[i] + " = null;";
                                } else {
                                    if (value == Number(value) && obj.options.autoCasting == true) {
                                        // Number
                                        evalstring += "var " + tokens[i] + " = " + Number(value) + ";";
                                    } else {
                                        // Trying any formatted number
                                        var number = obj.parseNumber(value, position[0])
                                        if (obj.options.autoCasting == true && number) {
                                            // Render as number
                                            evalstring += "var " + tokens[i] + " = " + number + ";";
                                        } else {
                                            // Render as string
                                            evalstring += "var " + tokens[i] + " = '" + value + "';";
                                        }
                                    }
                                }
                            }
                        }
                    }
    
                    // Convert formula to javascript
                    try {
                        evalstring += "function COLUMN() { return parseInt(x) + 1; }; function ROW() { return parseInt(y) + 1; }; function CELL() { return parentId; }; function TABLE() { return obj; }; function VALUE(col, row) { return obj.records[row-1][col-1].innerHTML; }; function THISROWCELL(col) { var id = jexcel.getIdFromColumnName(col+(parseInt(y)+1), true); return obj.records[id[1]][id[0]].innerHTML; }";
    
                        var res = eval(evalstring + expression.substr(1));
                    } catch (e) {
                        var res = '#ERROR';
                    }
    
                    return res;
                }
            }
    
            return execute(expression, x, y);
        }
    
        /**
         * Trying to extract a number from a string
         */
        obj.parseNumber = function(value, columnNumber) {
            // Decimal point
            var decimal = columnNumber && obj.options.columns[columnNumber].decimal ? obj.options.columns[columnNumber].decimal : '.';
    
            // Parse both parts of the number
            var number = ('' + value);
            number = number.split(decimal);
            number[0] = number[0].match(/[+-]?[0-9]/g);
            if (number[0]) {
                number[0] = number[0].join('');
            }
            if (number[1]) {
                number[1] = number[1].match(/[0-9]*/g).join('');
            }
    
            // Is a valid number
            if (number[0] && Number(number[0]) >= 0) {
                if (! number[1]) {
                    var value = Number(number[0] + '.00');
                } else {
                    var value = Number(number[0] + '.' + number[1]);
                }
            } else {
                var value = null;
            }
    
            return value;
        }
    
        /**
         * Get row number
         */
        obj.row = function(cell) {
        }
    
        /**
         * Get col number
         */
        obj.col = function(cell) {
        }
    
        obj.up = function(shiftKey, ctrlKey) {
            if (shiftKey) {
                if (obj.selectedCell[3] > 0) {
                    obj.up.visible(1, ctrlKey ? 0 : 1)
                }
            } else {
                if (obj.selectedCell[1] > 0) {
                    obj.up.visible(0, ctrlKey ? 0 : 1)
                }
                obj.selectedCell[2] = obj.selectedCell[0];
                obj.selectedCell[3] = obj.selectedCell[1];
            }
    
            // Update selection
            obj.updateSelectionFromCoords(obj.selectedCell[0], obj.selectedCell[1], obj.selectedCell[2], obj.selectedCell[3]);
    
            // Change page
            if (obj.options.lazyLoading == true) {
                if (obj.selectedCell[1] == 0 || obj.selectedCell[3] == 0) {
                    obj.loadPage(0);
                    obj.updateSelectionFromCoords(obj.selectedCell[0], obj.selectedCell[1], obj.selectedCell[2], obj.selectedCell[3]);
                } else {
                    if (obj.loadValidation()) {
                        obj.updateSelectionFromCoords(obj.selectedCell[0], obj.selectedCell[1], obj.selectedCell[2], obj.selectedCell[3]);
                    } else {
                        var item = parseInt(obj.tbody.firstChild.getAttribute('data-y'));
                        if (obj.selectedCell[1] - item < 30) {
                            obj.loadUp();
                            obj.updateSelectionFromCoords(obj.selectedCell[0], obj.selectedCell[1], obj.selectedCell[2], obj.selectedCell[3]);
                        }
                    }
                }
            } else if (obj.options.pagination > 0) {
                var pageNumber = obj.whichPage(obj.selectedCell[3]);
                if (pageNumber != obj.pageNumber) {
                    obj.page(pageNumber);
                }
            }
    
            obj.updateScroll(1);
        }
    
        obj.up.visible = function(group, direction) {
            if (group == 0) {
                var x = parseInt(obj.selectedCell[0]);
                var y = parseInt(obj.selectedCell[1]);
            } else {
                var x = parseInt(obj.selectedCell[2]);
                var y = parseInt(obj.selectedCell[3]);
            }
    
            if (direction == 0) {
                for (var j = 0; j < y; j++) {
                    if (obj.records[j][x].style.display != 'none' && obj.rows[j].style.display != 'none') {
                        y = j;
                        break;
                    }
                }
            } else {
                y = obj.up.get(x, y);
            }
    
            if (group == 0) {
                obj.selectedCell[0] = x;
                obj.selectedCell[1] = y;
            } else {
                obj.selectedCell[2] = x;
                obj.selectedCell[3] = y;
            }
        }
    
        obj.up.get = function(x, y) {
            var x = parseInt(x);
            var y = parseInt(y);
            for (var j = (y - 1); j >= 0; j--) {
                if (obj.records[j][x].style.display != 'none' && obj.rows[j].style.display != 'none') {
                    if (obj.records[j][x].getAttribute('data-merged')) {
                        if (obj.records[j][x] == obj.records[y][x]) {
                            continue;
                        }
                    }
                    y = j;
                    break;
                }
            }
    
            return y;
        }
    
        obj.down = function(shiftKey, ctrlKey) {
            if (shiftKey) {
                if (obj.selectedCell[3] < obj.records.length - 1) {
                    obj.down.visible(1, ctrlKey ? 0 : 1)
                }
            } else {
                if (obj.selectedCell[1] < obj.records.length - 1) {
                    obj.down.visible(0, ctrlKey ? 0 : 1)
                }
                obj.selectedCell[2] = obj.selectedCell[0];
                obj.selectedCell[3] = obj.selectedCell[1];
            }
    
            obj.updateSelectionFromCoords(obj.selectedCell[0], obj.selectedCell[1], obj.selectedCell[2], obj.selectedCell[3]);
    
            // Change page
            if (obj.options.lazyLoading == true) {
                if ((obj.selectedCell[1] == obj.records.length - 1 || obj.selectedCell[3] == obj.records.length - 1)) {
                    obj.loadPage(-1);
                    obj.updateSelectionFromCoords(obj.selectedCell[0], obj.selectedCell[1], obj.selectedCell[2], obj.selectedCell[3]);
                } else {
                    if (obj.loadValidation()) {
                        obj.updateSelectionFromCoords(obj.selectedCell[0], obj.selectedCell[1], obj.selectedCell[2], obj.selectedCell[3]);
                    } else {
                        var item = parseInt(obj.tbody.lastChild.getAttribute('data-y'));
                        if (item - obj.selectedCell[3] < 30) {
                            obj.loadDown();
                            obj.updateSelectionFromCoords(obj.selectedCell[0], obj.selectedCell[1], obj.selectedCell[2], obj.selectedCell[3]);
                        }
                    }
                }
            } else if (obj.options.pagination > 0) {
                var pageNumber = obj.whichPage(obj.selectedCell[3]);
                if (pageNumber != obj.pageNumber) {
                    obj.page(pageNumber);
                }
            }
    
            obj.updateScroll(3);
        }
    
        obj.down.visible = function(group, direction) {
            if (group == 0) {
                var x = parseInt(obj.selectedCell[0]);
                var y = parseInt(obj.selectedCell[1]);
            } else {
                var x = parseInt(obj.selectedCell[2]);
                var y = parseInt(obj.selectedCell[3]);
            }
    
            if (direction == 0) {
                for (var j = obj.rows.length - 1; j > y; j--) {
                    if (obj.records[j][x].style.display != 'none' && obj.rows[j].style.display != 'none') {
                        y = j;
                        break;
                    }
                }
            } else {
                y = obj.down.get(x, y);
            }
    
            if (group == 0) {
                obj.selectedCell[0] = x;
                obj.selectedCell[1] = y;
            } else {
                obj.selectedCell[2] = x;
                obj.selectedCell[3] = y;
            }
        }
    
        obj.down.get = function(x, y) {
            var x = parseInt(x);
            var y = parseInt(y);
            for (var j = (y + 1); j < obj.rows.length; j++) {
                if (obj.records[j][x].style.display != 'none' && obj.rows[j].style.display != 'none') {
                    if (obj.records[j][x].getAttribute('data-merged')) {
                        if (obj.records[j][x] == obj.records[y][x]) {
                            continue;
                        }
                    }
                    y = j;
                    break;
                }
            }
    
            return y;
        }
    
        obj.right = function(shiftKey, ctrlKey) {
            if (shiftKey) {
                if (obj.selectedCell[2] < obj.headers.length - 1) {
                    obj.right.visible(1, ctrlKey ? 0 : 1)
                }
            } else {
                if (obj.selectedCell[0] < obj.headers.length - 1) {
                    obj.right.visible(0, ctrlKey ? 0 : 1)
                }
                obj.selectedCell[2] = obj.selectedCell[0];
                obj.selectedCell[3] = obj.selectedCell[1];
            }
    
            obj.updateSelectionFromCoords(obj.selectedCell[0], obj.selectedCell[1], obj.selectedCell[2], obj.selectedCell[3]);
            obj.updateScroll(2);
        }
    
        obj.right.visible = function(group, direction) {
            if (group == 0) {
                var x = parseInt(obj.selectedCell[0]);
                var y = parseInt(obj.selectedCell[1]);
            } else {
                var x = parseInt(obj.selectedCell[2]);
                var y = parseInt(obj.selectedCell[3]);
            }
    
            if (direction == 0) {
                for (var i = obj.headers.length - 1; i > x; i--) {
                    if (obj.records[y][i].style.display != 'none') {
                        x = i;
                        break;
                    }
                }
            } else {
                x = obj.right.get(x, y);
            }
    
            if (group == 0) {
                obj.selectedCell[0] = x;
                obj.selectedCell[1] = y;
            } else {
                obj.selectedCell[2] = x;
                obj.selectedCell[3] = y;
            }
        }
    
        obj.right.get = function(x, y) {
            var x = parseInt(x);
            var y = parseInt(y);
    
            for (var i = (x + 1); i < obj.headers.length; i++) {
                if (obj.records[y][i].style.display != 'none') {
                    if (obj.records[y][i].getAttribute('data-merged')) {
                        if (obj.records[y][i] == obj.records[y][x]) {
                            continue;
                        }
                    }
                    x = i;
                    break;
                }
            }
    
            return x;
        }
    
        obj.left = function(shiftKey, ctrlKey) {
            if (shiftKey) {
                if (obj.selectedCell[2] > 0) {
                    obj.left.visible(1, ctrlKey ? 0 : 1)
                }
            } else {
                if (obj.selectedCell[0] > 0) {
                    obj.left.visible(0, ctrlKey ? 0 : 1)
                }
                obj.selectedCell[2] = obj.selectedCell[0];
                obj.selectedCell[3] = obj.selectedCell[1];
            }
    
            obj.updateSelectionFromCoords(obj.selectedCell[0], obj.selectedCell[1], obj.selectedCell[2], obj.selectedCell[3]);
            obj.updateScroll(0);
        }
    
        obj.left.visible = function(group, direction) {
            if (group == 0) {
                var x = parseInt(obj.selectedCell[0]);
                var y = parseInt(obj.selectedCell[1]);
            } else {
                var x = parseInt(obj.selectedCell[2]);
                var y = parseInt(obj.selectedCell[3]);
            }
    
            if (direction == 0) {
                for (var i = 0; i < x; i++) {
                    if (obj.records[y][i].style.display != 'none') {
                        x = i;
                        break;
                    }
                }
            } else {
                x = obj.left.get(x, y);
            }
    
            if (group == 0) {
                obj.selectedCell[0] = x;
                obj.selectedCell[1] = y;
            } else {
                obj.selectedCell[2] = x;
                obj.selectedCell[3] = y;
            }
        }
    
        obj.left.get = function(x, y) {
            var x = parseInt(x);
            var y = parseInt(y);
            for (var i = (x - 1); i >= 0; i--) {
                if (obj.records[y][i].style.display != 'none') {
                    if (obj.records[y][i].getAttribute('data-merged')) {
                        if (obj.records[y][i] == obj.records[y][x]) {
                            continue;
                        }
                    }
                    x = i;
                    break;
                }
            }
    
            return x;
        }
    
        obj.first = function(shiftKey, ctrlKey) {
            if (shiftKey) {
                if (ctrlKey) {
                    obj.selectedCell[3] = 0;
                } else {
                    obj.left.visible(1, 0);
                }
            } else {
                if (ctrlKey) {
                    obj.selectedCell[1] = 0;
                } else {
                    obj.left.visible(0, 0);
                }
                obj.selectedCell[2] = obj.selectedCell[0];
                obj.selectedCell[3] = obj.selectedCell[1];
            }
    
            // Change page
            if (obj.options.lazyLoading == true && (obj.selectedCell[1] == 0 || obj.selectedCell[3] == 0)) {
                obj.loadPage(0);
            } else if (obj.options.pagination > 0) {
                var pageNumber = obj.whichPage(obj.selectedCell[3]);
                if (pageNumber != obj.pageNumber) {
                    obj.page(pageNumber);
                }
            }
    
            obj.updateSelectionFromCoords(obj.selectedCell[0], obj.selectedCell[1], obj.selectedCell[2], obj.selectedCell[3]);
            obj.updateScroll(1);
        }
    
        obj.last = function(shiftKey, ctrlKey) {
            if (shiftKey) {
                if (ctrlKey) {
                    obj.selectedCell[3] = obj.records.length - 1;
                } else {
                    obj.right.visible(1, 0);
                }
            } else {
                if (ctrlKey) {
                    obj.selectedCell[1] = obj.records.length - 1;
                } else {
                    obj.right.visible(0, 0);
                }
                obj.selectedCell[2] = obj.selectedCell[0];
                obj.selectedCell[3] = obj.selectedCell[1];
            }
    
            // Change page
            if (obj.options.lazyLoading == true && (obj.selectedCell[1] == obj.records.length - 1 || obj.selectedCell[3] == obj.records.length - 1)) {
                obj.loadPage(-1);
            } else if (obj.options.pagination > 0) {
                var pageNumber = obj.whichPage(obj.selectedCell[3]);
                if (pageNumber != obj.pageNumber) {
                    obj.page(pageNumber);
                }
            }
    
            obj.updateSelectionFromCoords(obj.selectedCell[0], obj.selectedCell[1], obj.selectedCell[2], obj.selectedCell[3]);
            obj.updateScroll(3);
        }
    
        obj.selectAll = function() {
            if (! obj.selectedCell) {
                obj.selectedCell = [];
            }
    
            obj.selectedCell[0] = 0;
            obj.selectedCell[1] = 0;
            obj.selectedCell[2] = obj.headers.length - 1;
            obj.selectedCell[3] = obj.records.length - 1;
    
            obj.updateSelectionFromCoords(obj.selectedCell[0], obj.selectedCell[1], obj.selectedCell[2], obj.selectedCell[3]);
        }
    
        /**
         * Go to a page in a lazyLoading
         */
        obj.loadPage = function(pageNumber) {
            // Search
            if (obj.options.search == true && obj.results) {
                var results = obj.results;
            } else {
                var results = obj.rows;
            }
    
            // Per page
            var quantityPerPage = 100;
    
            // pageNumber
            if (pageNumber == null || pageNumber == -1) {
                // Last page
                pageNumber = Math.ceil(results.length / quantityPerPage) - 1; 
            }
    
            var startRow = (pageNumber * quantityPerPage);
            var finalRow = (pageNumber * quantityPerPage) + quantityPerPage;
            if (finalRow > results.length) {
                finalRow = results.length;
            }
            startRow = finalRow - 100;
            if (startRow < 0) {
                startRow = 0;
            }
    
            // Appeding items
            for (var j = startRow; j < finalRow; j++) {
                if (obj.options.search == true && obj.results) {
                    obj.tbody.appendChild(obj.rows[results[j]]);
                } else {
                    obj.tbody.appendChild(obj.rows[j]);
                }
    
                if (obj.tbody.children.length > quantityPerPage) {
                    obj.tbody.removeChild(obj.tbody.firstChild);
                }
            }
        }
    
        obj.loadUp = function() {
            // Search
            if (obj.options.search == true && obj.results) {
                var results = obj.results;
            } else {
                var results = obj.rows;
            }
            var test = 0;
            if (results.length > 100) {
                // Get the first element in the page
                var item = parseInt(obj.tbody.firstChild.getAttribute('data-y'));
                if (obj.options.search == true && obj.results) {
                    item = results.indexOf(item);
                }
                if (item > 0) {
                    for (var j = 0; j < 30; j++) {
                        item = item - 1;
                        if (item > -1) {
                            if (obj.options.search == true && obj.results) {
                                obj.tbody.insertBefore(obj.rows[results[item]], obj.tbody.firstChild);
                            } else {
                                obj.tbody.insertBefore(obj.rows[item], obj.tbody.firstChild);
                            }
                            if (obj.tbody.children.length > 100) {
                                obj.tbody.removeChild(obj.tbody.lastChild);
                                test = 1;
                            }
                        }
                    }
                }
            }
            return test;
        }
    
        obj.loadDown = function() {
            // Search
            if (obj.options.search == true && obj.results) {
                var results = obj.results;
            } else {
                var results = obj.rows;
            }
            var test = 0;
            if (results.length > 100) {
                // Get the last element in the page
                var item = parseInt(obj.tbody.lastChild.getAttribute('data-y'));
                if (obj.options.search == true && obj.results) {
                    item = results.indexOf(item);
                }
                if (item < obj.rows.length - 1) {
                    for (var j = 0; j <= 30; j++) {
                        if (item < results.length) {
                            if (obj.options.search == true && obj.results) {
                                obj.tbody.appendChild(obj.rows[results[item]]);
                            } else {
                                obj.tbody.appendChild(obj.rows[item]);
                            }
                            if (obj.tbody.children.length > 100) {
                                obj.tbody.removeChild(obj.tbody.firstChild);
                                test = 1;
                            }
                        }
                        item = item + 1;
                    }
                }
            }
    
            return test;
        }
    
        obj.loadValidation = function() {
            if (obj.selectedCell) {
                var currentPage = parseInt(obj.tbody.firstChild.getAttribute('data-y')) / 100;
                var selectedPage = parseInt(obj.selectedCell[3] / 100);
                var totalPages = parseInt(obj.rows.length / 100);
    
                if (currentPage != selectedPage && selectedPage <= totalPages) {
                    if (! Array.prototype.indexOf.call(obj.tbody.children, obj.rows[obj.selectedCell[3]])) {
                        obj.loadPage(selectedPage);
                        return true;
                    }
                }
            }
    
            return false;
        }
    
        /**
         * Reset search
         */
        obj.resetSearch = function() {
            obj.searchInput.value = '';
            obj.search('');
            obj.results = null;
        }

        /**
         * Search
         */
        obj.search = function(query) {
            // Query
            if (query) {
                var query = query.toLowerCase();
            }
    
            // Reset any filter
            if (obj.options.filters) {
                obj.resetFilters();
            }

            // Reset selection
            obj.resetSelection();
    
            // Total of results
            obj.pageNumber = 0;
            obj.results = [];
    
            if (query) {
                // Search filter
                var search = function(item, query, index) {
                    for (var i = 0; i < item.length; i++) {
                        if ((''+item[i]).toLowerCase().search(query) >= 0 ||
                            (''+obj.records[index][i].innerHTML).toLowerCase().search(query) >= 0) {
                            return true;
                        }
                    }
                    return false;
                }
    
                // Result
                var addToResult = function(k) {
                    if (obj.results.indexOf(k) == -1) {
                        obj.results.push(k);
                    }
                }
    
                // Filter
                var data = obj.options.data.filter(function(v, k) {
                    if (search(v, query, k)) {
                        // Merged rows found
                        var rows = obj.isRowMerged(k);
                        if (rows.length) {
                            for (var i = 0; i < rows.length; i++) {
                                var row = jexcel.getIdFromColumnName(rows[i], true);
                                for (var j = 0; j < obj.options.mergeCells[rows[i]][1]; j++) {
                                    addToResult(row[1]+j);
                                }
                            }
                        } else {
                            // Normal row found
                            addToResult(k);
                        }
                        return true;
                    } else {
                        return false;
                    }
                });
            } else {
                obj.results = null;
            }

            return obj.updateResult();
        }
    
        obj.updateResult = function() {
            var total = 0;
            var index = 0;
    
            // Page 1
            if (obj.options.lazyLoading == true) {
                total = 100;
            } else if (obj.options.pagination > 0) {
                total = obj.options.pagination;
            } else {
                if (obj.results) {
                    total = obj.results.length;
                } else {
                    total = obj.rows.length;
                }
            }
    
            // Reset current nodes
            while (obj.tbody.firstChild) {
                obj.tbody.removeChild(obj.tbody.firstChild);
            }
    
            // Hide all records from the table
            for (var j = 0; j < obj.rows.length; j++) {
                if (! obj.results || obj.results.indexOf(j) > -1) {
                    if (index < total) {
                        obj.tbody.appendChild(obj.rows[j]);
                        index++;
                    }
                    obj.rows[j].style.display = '';
                } else {
                    obj.rows[j].style.display = 'none';
                }
            }
    
            // Update pagination
            if (obj.options.pagination > 0) {
                obj.updatePagination();
            }

            obj.updateCornerPosition();
    
            return total;
        }

        /**
         * Which page the cell is
         */
        obj.whichPage = function(cell) {
            // Search
            if (obj.options.search == true && obj.results) {
                cell = obj.results.indexOf(cell);
            }
    
            return (Math.ceil((parseInt(cell) + 1) / parseInt(obj.options.pagination))) - 1;
        }
    
        /**
         * Go to page
         */
        obj.page = function(pageNumber) {
            var oldPage = obj.pageNumber;

            // Search
            if (obj.options.search == true && obj.results) {
                var results = obj.results;
            } else {
                var results = obj.rows;
            }
    
            // Per page
            var quantityPerPage = parseInt(obj.options.pagination);
    
            // pageNumber
            if (pageNumber == null || pageNumber == -1) {
                // Last page
                pageNumber = Math.ceil(results.length / quantityPerPage) - 1;
            }
    
            // Page number
            obj.pageNumber = pageNumber;
    
            var startRow = (pageNumber * quantityPerPage);
            var finalRow = (pageNumber * quantityPerPage) + quantityPerPage;
            if (finalRow > results.length) {
                finalRow = results.length;
            }
            if (startRow < 0) {
                startRow = 0;
            }
    
            // Reset container
            while (obj.tbody.firstChild) {
                obj.tbody.removeChild(obj.tbody.firstChild);
            }
    
            // Appeding items
            for (var j = startRow; j < finalRow; j++) {
                if (obj.options.search == true && obj.results) {
                    obj.tbody.appendChild(obj.rows[results[j]]);
                } else {
                    obj.tbody.appendChild(obj.rows[j]);
                }
            }
    
            if (obj.options.pagination > 0) {
                obj.updatePagination();
            }
    
            // Update corner position
            obj.updateCornerPosition();

            // Events
            obj.dispatch('onchangepage', el, pageNumber, oldPage);
        }
    
        /**
         * Update the pagination
         */
        obj.updatePagination = function() {
            // Reset container
            obj.pagination.children[0].innerHTML = '';
            obj.pagination.children[1].innerHTML = '';
    
            // Start pagination
            if (obj.options.pagination) {
                // Searchable
                if (obj.options.search == true && obj.results) {
                    var results = obj.results.length;
                } else {
                    var results = obj.rows.length;
                }
    
                if (! results) {
                    // No records found
                    obj.pagination.children[0].innerHTML = obj.options.text.noRecordsFound;
                } else {
                    // Pagination container
                    var quantyOfPages = Math.ceil(results / obj.options.pagination);
    
                    if (obj.pageNumber < 6) {
                        var startNumber = 1;
                        var finalNumber = quantyOfPages < 10 ? quantyOfPages : 10;
                    } else if (quantyOfPages - obj.pageNumber < 5) {
                        var startNumber = quantyOfPages - 9;
                        var finalNumber = quantyOfPages;
                        if (startNumber < 1) {
                            startNumber = 1;
                        }
                    } else {
                        var startNumber = obj.pageNumber - 4;
                        var finalNumber = obj.pageNumber + 5;
                    }
    
                    // First
                    if (startNumber > 1) {
                        var paginationItem = document.createElement('div');
                        paginationItem.className = 'jexcel_page';
                        paginationItem.innerHTML = '<';
                        paginationItem.title = 1;
                        obj.pagination.children[1].appendChild(paginationItem);
                    }
    
                    // Get page links
                    for (var i = startNumber; i <= finalNumber; i++) {
                        var paginationItem = document.createElement('div');
                        paginationItem.className = 'jexcel_page';
                        paginationItem.innerHTML = i;
                        obj.pagination.children[1].appendChild(paginationItem);
    
                        if (obj.pageNumber == (i-1)) {
                            paginationItem.classList.add('jexcel_page_selected');
                        }
                    }
    
                    // Last
                    if (finalNumber < quantyOfPages) {
                        var paginationItem = document.createElement('div');
                        paginationItem.className = 'jexcel_page';
                        paginationItem.innerHTML = '>';
                        paginationItem.title = quantyOfPages;
                        obj.pagination.children[1].appendChild(paginationItem);
                    }
    
                    // Text
                    var format = function(format) {
                        var args = Array.prototype.slice.call(arguments, 1);
                        return format.replace(/{(\d+)}/g, function(match, number) {
                          return typeof args[number] != 'undefined'
                            ? args[number]
                            : match
                          ;
                        });
                    };
    
                    obj.pagination.children[0].innerHTML = format(obj.options.text.showingPage, obj.pageNumber + 1, quantyOfPages)
                }
            }
        }
    
        /**
         * Download CSV table
         * 
         * @return null
         */
        obj.download = function(includeHeaders) {
            if (obj.options.allowExport == false) {
                console.error('Export not allowed');
            } else {
                // Data
                var data = '';
                if (includeHeaders == true || obj.options.includeHeadersOnDownload == true) {
                    data += obj.getHeaders().replace(/\s+/gm,' ');
                    data += "\r\n";
                }

                // Get data
                data += obj.copy(false, obj.options.csvDelimiter, true);

                // Download element
                var blob = new Blob(["\uFEFF"+data], {type: 'text/csv;charset=utf-8;'});

                // IE Compatibility
                if (window.navigator && window.navigator.msSaveOrOpenBlob) {
                    window.navigator.msSaveOrOpenBlob(blob, obj.options.csvFileName + '.csv');
                } else {
                    // Download element
                    var pom = document.createElement('a');
                    var url = URL.createObjectURL(blob);
                    pom.href = url;
                    pom.setAttribute('download', obj.options.csvFileName + '.csv');
                    document.body.appendChild(pom);
                    pom.click();
                    pom.parentNode.removeChild(pom);
                }
            }
        }
    
        /**
         * Initializes a new history record for undo/redo
         * 
         * @return null
         */
        obj.setHistory = function(changes) {
            if (obj.ignoreHistory != true) {
                // Increment and get the current history index
                var index = ++obj.historyIndex;
    
                // Slice the array to discard undone changes
                obj.history = (obj.history = obj.history.slice(0, index + 1));
    
                // Keep history
                obj.history[index] = changes;
            }
        }
    
        /**
         * Copy method
         * 
         * @param bool highlighted - Get only highlighted cells
         * @param delimiter - \t default to keep compatibility with excel
         * @return string value
         */
        obj.copy = function(highlighted, delimiter, returnData) {
            if (! delimiter) {
                delimiter = "\t";
            }
    
            // Controls
            var header = [];
            var col = [];
            var colLabel = [];
            var row = [];
            var rowLabel = [];
            var x = obj.options.data[0].length
            var y = obj.options.data.length
            var tmp = '';
            var copyHeader = obj.options.includeHeadersOnCopy;

            // Reset container
            obj.style = [];
    
            // Go through the columns to get the data
            for (var j = 0; j < y; j++) {
                col = [];
                colLabel = [];
    
                for (var i = 0; i < x; i++) {
                    // If cell is highlighted
                    if (! highlighted || obj.records[j][i].classList.contains('highlight')) {
                        if (copyHeader == true) {
                            header.push(obj.headers[i].innerText);
                        }
                        // Values
                        var value = obj.options.data[j][i];
                        if (value.match && (value.match(/,/g) || value.match(/\n/) || value.match(/\"/))) {
                            value = value.replace(new RegExp('"', 'g'), '""');
                            value = '"' + value + '"';
                        }
                        col.push(value);
    
                        // Labels
                        if (obj.options.columns[i].type == 'checkbox' || obj.options.columns[i].type == 'radio') {
                            var label = value;
                        } else {
                            if (obj.options.stripHTMLOnCopy == true) {
                                var label = obj.records[j][i].innerText;
                            } else {
                                var label = obj.records[j][i].innerHTML;
                            }
                            if (label.match && (label.match(/,/g) || label.match(/\n/) || label.match(/\"/))) {
                                // Scape double quotes
                                label = label.replace(new RegExp('"', 'g'), '""');
                                label = '"' + label + '"';
                            }
                        }
                        colLabel.push(label);
    
                        // Get style
                        tmp = obj.records[j][i].getAttribute('style');
                        tmp = tmp.replace('display: none;', '');
                        obj.style.push(tmp ? tmp : '');
                    }
                }
    
                if (col.length) {
                    if (copyHeader) {
                        row.push(header.join(delimiter));
                    }
                    row.push(col.join(delimiter));
                }
                if (colLabel.length) {
                    if (copyHeader) {
                        rowLabel.push(header.join(delimiter));
                    }
                    rowLabel.push(colLabel.join(delimiter));
                }
                copyHeader = false;
            }

            // Final string
            var str = row.join("\r\n");
            var strLabel = rowLabel.join("\r\n");

            // Create a hidden textarea to copy the values
            if (! returnData) {
                if (obj.options.copyCompatibility == true) {
                    obj.textarea.value = strLabel;
                } else {
                    obj.textarea.value = str;
                }
                obj.textarea.select();
                document.execCommand("copy");
            }
    
            // Keep data
            if (obj.options.copyCompatibility == true) {
                obj.data = strLabel;
            } else {
                obj.data = str;
            }
            // Keep non visible information
            obj.hashString = obj.hash(obj.data);
    
            // Any exiting border should go
            obj.removeCopyingSelection();

            // Border
            if (obj.highlighted) {
                for (var i = 0; i < obj.highlighted.length; i++) {
                    obj.highlighted[i].classList.add('copying');
                    if (obj.highlighted[i].classList.contains('highlight-left')) {
                        obj.highlighted[i].classList.add('copying-left');
                    }
                    if (obj.highlighted[i].classList.contains('highlight-right')) {
                        obj.highlighted[i].classList.add('copying-right');
                    }
                    if (obj.highlighted[i].classList.contains('highlight-top')) {
                        obj.highlighted[i].classList.add('copying-top');
                    }
                    if (obj.highlighted[i].classList.contains('highlight-bottom')) {
                        obj.highlighted[i].classList.add('copying-bottom');
                    }
                }
            }

            // Paste event
            obj.dispatch('oncopy', el, obj.options.copyCompatibility == true ? rowLabel : row, obj.hashString);

            return obj.data;
        }
    
        /**
         * jExcel paste method
         * 
         * @param integer row number
         * @return string value
         */
        obj.paste = function(x, y, data) {
            // Paste filter
            var ret = obj.dispatch('onbeforepaste', el, data, x, y);

            if (ret === false) {
                return false;
            } else if (ret) {
                var data = ret;
            }
    
            // Controls
            var hash = obj.hash(data);
            var style = (hash == obj.hashString) ? obj.style : null;
    
            // Depending on the behavior
            if (obj.options.copyCompatibility == true && hash == obj.hashString) {
                var data = obj.data;
            }
    
            // Split new line
            var data = obj.parseCSV(data, "\t");
    
            if (x != null && y != null && data) {
                // Records
                var i = 0;
                var j = 0;
                var records = [];
                var newStyle = {};
                var oldStyle = {};
                var styleIndex = 0;
    
                // Index
                var colIndex = parseInt(x);
                var rowIndex = parseInt(y);
                var row = null;
    
                // Go through the columns to get the data
                while (row = data[j]) {
                    i = 0;
                    colIndex = parseInt(x);
    
                    while (row[i] != null) {
                        // Update and keep history
                        var record = obj.updateCell(colIndex, rowIndex, row[i]);
                        // Keep history
                        records.push(record);
                        // Update all formulas in the chain
                        obj.updateFormulaChain(colIndex, rowIndex, records);
                        // Style
                        if (style && style[styleIndex]) {
                            var columnName = jexcel.getColumnNameFromId([colIndex, rowIndex]);
                            newStyle[columnName] = style[styleIndex];
                            oldStyle[columnName] = obj.getStyle(columnName);
                            obj.records[rowIndex][colIndex].setAttribute('style', style[styleIndex]);
                            styleIndex++
                        }
                        i++;
                        if (row[i] != null) {
                            if (colIndex >= obj.headers.length - 1) {
                                obj.insertColumn();
                            }
                            colIndex = obj.right.get(colIndex, rowIndex);
                        }
                    }
    
                    j++;
                    if (data[j]) {
                        if (rowIndex >= obj.rows.length-1) {
                            obj.insertRow();
                        }
                        rowIndex = obj.down.get(x, rowIndex);
                    }
                }
    
                // Select the new cells
                obj.updateSelectionFromCoords(x, y, colIndex, rowIndex);
    
                // Update history
                obj.setHistory({
                    action:'setValue',
                    records:records,
                    selection:obj.selectedCell,
                    newStyle:newStyle,
                    oldStyle:oldStyle,
                });
    
                // Update table
                obj.updateTable();
    
                // Paste event
                obj.dispatch('onpaste', el, data);
    
                // On after changes
                obj.onafterchanges(el, records);
            }

            obj.removeCopyingSelection();
        }

        /**
         * Remove copying border
         */
        obj.removeCopyingSelection = function() {
            var copying = document.querySelectorAll('.jexcel .copying');
            for (var i = 0; i < copying.length; i++) {
                copying[i].classList.remove('copying');
                copying[i].classList.remove('copying-left');
                copying[i].classList.remove('copying-right');
                copying[i].classList.remove('copying-top');
                copying[i].classList.remove('copying-bottom');
            }
        }

        /**
         * Process row
         */
        obj.historyProcessRow = function(type, historyRecord) {
            var rowIndex = (! historyRecord.insertBefore) ? historyRecord.rowNumber + 1 : historyRecord.rowNumber;
    
            if (obj.options.search == true) {
                if (obj.results && obj.results.length != obj.rows.length) {
                    obj.resetSearch();
                }
            }
    
            // Remove row
            if (type == 1) {
                var numOfRows = historyRecord.numOfRows;
                // Remove nodes
                for (var j = rowIndex; j < (numOfRows + rowIndex); j++) {
                    obj.rows[j].parentNode.removeChild(obj.rows[j]);
                }
                // Remove references
                obj.records.splice(rowIndex, numOfRows);
                obj.options.data.splice(rowIndex, numOfRows);
                obj.rows.splice(rowIndex, numOfRows);
    
                obj.conditionalSelectionUpdate(1, rowIndex, (numOfRows + rowIndex) - 1);
            } else {
                // Insert data
                obj.records = jexcel.injectArray(obj.records, rowIndex, historyRecord.rowRecords);
                obj.options.data = jexcel.injectArray(obj.options.data, rowIndex, historyRecord.rowData);
                obj.rows = jexcel.injectArray(obj.rows, rowIndex, historyRecord.rowNode);
                // Insert nodes
                var index = 0
                for (var j = rowIndex; j < (historyRecord.numOfRows + rowIndex); j++) {
                    obj.tbody.insertBefore(historyRecord.rowNode[index], obj.tbody.children[j]);
                    index++;
                }
            }
    
            // Respect pagination
            if (obj.options.pagination > 0) {
                obj.page(obj.pageNumber);
            }
    
            obj.updateTableReferences();
        }
    
        /**
         * Process column
         */
        obj.historyProcessColumn = function(type, historyRecord) {
            var columnIndex = (! historyRecord.insertBefore) ? historyRecord.columnNumber + 1 : historyRecord.columnNumber;
    
            // Remove column
            if (type == 1) {
                var numOfColumns = historyRecord.numOfColumns;
    
                obj.options.columns.splice(columnIndex, numOfColumns);
                for (var i = columnIndex; i < (numOfColumns + columnIndex); i++) {
                    obj.headers[i].parentNode.removeChild(obj.headers[i]);
                    obj.colgroup[i].parentNode.removeChild(obj.colgroup[i]);
                }
                obj.headers.splice(columnIndex, numOfColumns);
                obj.colgroup.splice(columnIndex, numOfColumns);
                for (var j = 0; j < historyRecord.data.length; j++) {
                    for (var i = columnIndex; i < (numOfColumns + columnIndex); i++) {
                        obj.records[j][i].parentNode.removeChild(obj.records[j][i]);
                    }
                    obj.records[j].splice(columnIndex, numOfColumns);
                    obj.options.data[j].splice(columnIndex, numOfColumns);
                }
                // Process footers
                if (obj.options.footers) {
                    for (var j = 0; j < obj.options.footers.length; j++) {
                        obj.options.footers[j].splice(columnIndex, numOfColumns);
                    }
                }
            } else {
                // Insert data
                obj.options.columns = jexcel.injectArray(obj.options.columns, columnIndex, historyRecord.columns);
                obj.headers = jexcel.injectArray(obj.headers, columnIndex, historyRecord.headers);
                obj.colgroup = jexcel.injectArray(obj.colgroup, columnIndex, historyRecord.colgroup);
    
                var index = 0
                for (var i = columnIndex; i < (historyRecord.numOfColumns + columnIndex); i++) {
                    obj.headerContainer.insertBefore(historyRecord.headers[index], obj.headerContainer.children[i+1]);
                    obj.colgroupContainer.insertBefore(historyRecord.colgroup[index], obj.colgroupContainer.children[i+1]);
                    index++;
                }
    
                for (var j = 0; j < historyRecord.data.length; j++) {
                    obj.options.data[j] = jexcel.injectArray(obj.options.data[j], columnIndex, historyRecord.data[j]);
                    obj.records[j] = jexcel.injectArray(obj.records[j], columnIndex, historyRecord.records[j]);
                    var index = 0
                    for (var i = columnIndex; i < (historyRecord.numOfColumns + columnIndex); i++) {
                        obj.rows[j].insertBefore(historyRecord.records[j][index], obj.rows[j].children[i+1]);
                        index++;
                    }
                }
                // Process footers
                if (obj.options.footers) {
                    for (var j = 0; j < obj.options.footers.length; j++) {
                        obj.options.footers[j] = jexcel.injectArray(obj.options.footers[j], columnIndex, historyRecord.footers[j]);
                    }
                }
            }
    
            // Adjust nested headers
            if (obj.options.nestedHeaders && obj.options.nestedHeaders.length > 0) {
                // Flexible way to handle nestedheaders
                if (obj.options.nestedHeaders[0] && obj.options.nestedHeaders[0][0]) {
                    for (var j = 0; j < obj.options.nestedHeaders.length; j++) {
                        if (type == 1) {
                            var colspan = parseInt(obj.options.nestedHeaders[j][obj.options.nestedHeaders[j].length-1].colspan) - historyRecord.numOfColumns;
                        } else {
                            var colspan = parseInt(obj.options.nestedHeaders[j][obj.options.nestedHeaders[j].length-1].colspan) + historyRecord.numOfColumns;
                        }
                        obj.options.nestedHeaders[j][obj.options.nestedHeaders[j].length-1].colspan = colspan;
                        obj.thead.children[j].children[obj.thead.children[j].children.length-1].setAttribute('colspan', colspan);
                    }
                } else {
                    if (type == 1) {
                        var colspan = parseInt(obj.options.nestedHeaders[0].colspan) - historyRecord.numOfColumns;
                    } else {
                        var colspan = parseInt(obj.options.nestedHeaders[0].colspan) + historyRecord.numOfColumns;
                    }
                    obj.options.nestedHeaders[0].colspan = colspan;
                    obj.thead.children[0].children[obj.thead.children[0].children.length-1].setAttribute('colspan', colspan);
                }
            }
    
            obj.updateTableReferences();
        }
    
        /**
         * Undo last action
         */
        obj.undo = function() {
            // Ignore events and history
            var ignoreEvents = obj.ignoreEvents ? true : false;
            var ignoreHistory = obj.ignoreHistory ? true : false;
    
            obj.ignoreEvents = true;
            obj.ignoreHistory = true;
    
            // Records
            var records = [];
    
            // Update cells
            if (obj.historyIndex >= 0) {
                // History
                var historyRecord = obj.history[obj.historyIndex--];
    
                if (historyRecord.action == 'insertRow') {
                    obj.historyProcessRow(1, historyRecord);
                } else if (historyRecord.action == 'deleteRow') {
                    obj.historyProcessRow(0, historyRecord);
                } else if (historyRecord.action == 'insertColumn') {
                    obj.historyProcessColumn(1, historyRecord);
                } else if (historyRecord.action == 'deleteColumn') {
                    obj.historyProcessColumn(0, historyRecord);
                } else if (historyRecord.action == 'moveRow') {
                    obj.moveRow(historyRecord.newValue, historyRecord.oldValue);
                } else if (historyRecord.action == 'moveColumn') {
                    obj.moveColumn(historyRecord.newValue, historyRecord.oldValue);
                } else if (historyRecord.action == 'setMerge') {
                    obj.removeMerge(historyRecord.column, historyRecord.data);
                } else if (historyRecord.action == 'setStyle') {
                    obj.setStyle(historyRecord.oldValue, null, null, 1);
                } else if (historyRecord.action == 'setWidth') {
                    obj.setWidth(historyRecord.column, historyRecord.oldValue);
                } else if (historyRecord.action == 'setHeight') {
                    obj.setHeight(historyRecord.row, historyRecord.oldValue);
                } else if (historyRecord.action == 'setHeader') {
                    obj.setHeader(historyRecord.column, historyRecord.oldValue);
                } else if (historyRecord.action == 'setComments') {
                    obj.setComments(historyRecord.column, historyRecord.oldValue[0], historyRecord.oldValue[1]);
                } else if (historyRecord.action == 'orderBy') {
                    var rows = [];
                    for (var j = 0; j < historyRecord.rows.length; j++) {
                        rows[historyRecord.rows[j]] = j;
                    }
                    obj.updateOrderArrow(historyRecord.column, historyRecord.order ? 0 : 1);
                    obj.updateOrder(rows);
                } else if (historyRecord.action == 'setValue') {
                    // Redo for changes in cells
                    for (var i = 0; i < historyRecord.records.length; i++) {
                        records.push({
                            x: historyRecord.records[i].x,
                            y: historyRecord.records[i].y,
                            newValue: historyRecord.records[i].oldValue,
                        });

                        if (historyRecord.oldStyle) {
                            obj.resetStyle(historyRecord.oldStyle);
                        }
                    }
                    // Update records
                    obj.setValue(records);

                    // Update selection
                    if (historyRecord.selection) {
                        obj.updateSelectionFromCoords(historyRecord.selection[0], historyRecord.selection[1], historyRecord.selection[2], historyRecord.selection[3]);
                    }
                }
            }
            obj.ignoreEvents = ignoreEvents;
            obj.ignoreHistory = ignoreHistory;
    
            // Events
            obj.dispatch('onundo', el, historyRecord);
        }
    
        /**
         * Redo previously undone action
         */
        obj.redo = function() {
            // Ignore events and history
            var ignoreEvents = obj.ignoreEvents ? true : false;
            var ignoreHistory = obj.ignoreHistory ? true : false;
    
            obj.ignoreEvents = true;
            obj.ignoreHistory = true;
    
            // Records
            var records = [];
    
            // Update cells
            if (obj.historyIndex < obj.history.length - 1) {
                // History
                var historyRecord = obj.history[++obj.historyIndex];
    
                if (historyRecord.action == 'insertRow') {
                    obj.historyProcessRow(0, historyRecord);
                } else if (historyRecord.action == 'deleteRow') {
                    obj.historyProcessRow(1, historyRecord);
                } else if (historyRecord.action == 'insertColumn') {
                    obj.historyProcessColumn(0, historyRecord);
                } else if (historyRecord.action == 'deleteColumn') {
                    obj.historyProcessColumn(1, historyRecord);
                } else if (historyRecord.action == 'moveRow') {
                    obj.moveRow(historyRecord.oldValue, historyRecord.newValue);
                } else if (historyRecord.action == 'moveColumn') {
                    obj.moveColumn(historyRecord.oldValue, historyRecord.newValue);
                } else if (historyRecord.action == 'setMerge') {
                    obj.setMerge(historyRecord.column, historyRecord.colspan, historyRecord.rowspan, 1);
                } else if (historyRecord.action == 'setStyle') {
                    obj.setStyle(historyRecord.newValue, null, null, 1);
                } else if (historyRecord.action == 'setWidth') {
                    obj.setWidth(historyRecord.column, historyRecord.newValue);
                } else if (historyRecord.action == 'setHeight') {
                    obj.setHeight(historyRecord.row, historyRecord.newValue);
                } else if (historyRecord.action == 'setHeader') {
                    obj.setHeader(historyRecord.column, historyRecord.newValue);
                } else if (historyRecord.action == 'setComments') {
                    obj.setComments(historyRecord.column, historyRecord.newValue[0], historyRecord.newValue[1]);
                } else if (historyRecord.action == 'orderBy') {
                    obj.updateOrderArrow(historyRecord.column, historyRecord.order);
                    obj.updateOrder(historyRecord.rows);
                } else if (historyRecord.action == 'setValue') {
                    obj.setValue(historyRecord.records);
                    // Redo for changes in cells
                    for (var i = 0; i < historyRecord.records.length; i++) {
                        if (historyRecord.oldStyle) {
                            obj.resetStyle(historyRecord.newStyle);
                        }
                    }
                    // Update selection
                    if (historyRecord.selection) {
                        obj.updateSelectionFromCoords(historyRecord.selection[0], historyRecord.selection[1], historyRecord.selection[2], historyRecord.selection[3]);
                    }
                }
            }
            obj.ignoreEvents = ignoreEvents;
            obj.ignoreHistory = ignoreHistory;
    
            // Events
            obj.dispatch('onredo', el, historyRecord);
        }
    
        /**
         * Get dropdown value from key
         */
        obj.getDropDownValue = function(column, key) {
            var value = [];
    
            if (obj.options.columns[column] && obj.options.columns[column].source) {
                // Create array from source
                var combo = [];
                var source = obj.options.columns[column].source;
    
                for (var i = 0; i < source.length; i++) {
                    if (typeof(source[i]) == 'object') {
                        combo[source[i].id] = source[i].name;
                    } else {
                        combo[source[i]] = source[i];
                    }
                }
    
                // Guarantee single multiple compatibility
                var keys = Array.isArray(key) ? key : ('' + key).split(';');
    
                for (var i = 0; i < keys.length; i++) {
                    if (typeof(keys[i]) === 'object') {
                        value.push(combo[keys[i].id]);
                    } else {
                        if (combo[keys[i]]) {
                            value.push(combo[keys[i]]);
                        }
                    }
                }
            } else {
                console.error('Invalid column');
            }
    
            return (value.length > 0) ? value.join('; ') : '';
        }
    
        /**
         * From starckoverflow contributions
         */
        obj.parseCSV = function(str, delimiter) {
            // Remove last line break
            str = str.replace(/\r?\n$|\r$|\n$/g, "");
            // Last caracter is the delimiter
            if (str.charCodeAt(str.length-1) == 9) {
                str += "\0";
            }
            // user-supplied delimeter or default comma
            delimiter = (delimiter || ",");
    
            var arr = [];
            var quote = false;  // true means we're inside a quoted field
            // iterate over each character, keep track of current row and column (of the returned array)
            for (var row = 0, col = 0, c = 0; c < str.length; c++) {
                var cc = str[c], nc = str[c+1];
                arr[row] = arr[row] || [];
                arr[row][col] = arr[row][col] || '';
    
                // If the current character is a quotation mark, and we're inside a quoted field, and the next character is also a quotation mark, add a quotation mark to the current column and skip the next character
                if (cc == '"' && quote && nc == '"') { arr[row][col] += cc; ++c; continue; }  
    
                // If it's just one quotation mark, begin/end quoted field
                if (cc == '"') { quote = !quote; continue; }
    
                // If it's a comma and we're not in a quoted field, move on to the next column
                if (cc == delimiter && !quote) { ++col; continue; }
    
                // If it's a newline (CRLF) and we're not in a quoted field, skip the next character and move on to the next row and move to column 0 of that new row
                if (cc == '\r' && nc == '\n' && !quote) { ++row; col = 0; ++c; continue; }
    
                // If it's a newline (LF or CR) and we're not in a quoted field, move on to the next row and move to column 0 of that new row
                if (cc == '\n' && !quote) { ++row; col = 0; continue; }
                if (cc == '\r' && !quote) { ++row; col = 0; continue; }
    
                // Otherwise, append the current character to the current column
                arr[row][col] += cc;
            }
            return arr;
        }
    
        obj.hash = function(str) {
            var hash = 0, i, chr;
    
            if (str.length === 0) {
                return hash;
            } else {
                for (i = 0; i < str.length; i++) {
                  chr = str.charCodeAt(i);
                  hash = ((hash << 5) - hash) + chr;
                  hash |= 0;
                }
            }
            return hash;
        }
    
        obj.onafterchanges = function(el, records) {
            // Events
            obj.dispatch('onafterchanges', el, records);
        }
    
        obj.destroy = function() {
            jexcel.destroy(el);
        }

        /**
         * Initialization method
         */
        obj.init = function() {
            jexcel.current = obj;
    
            // Build handlers
            if (typeof(jexcel.build) == 'function') {
                if (obj.options.root) {
                    jexcel.build(obj.options.root);
                } else {
                    jexcel.build(document);
                    jexcel.build = null;
                }
            }
    
            // Event
            el.setAttribute('tabindex', 1);
            el.addEventListener('focus', function(e) {
                if (jexcel.current && ! obj.selectedCell) {
                    obj.updateSelectionFromCoords(0,0,0,0);
                    obj.left();
                }
            });

            // Load the table data based on an CSV file
            if (obj.options.csv) {
                // Loading
                if (obj.options.loadingSpin == true) {
                    jSuites.loading.show();
                }
    
                // Load CSV file
                jSuites.ajax({
                    url: obj.options.csv,
                    method: obj.options.method,
                    data: obj.options.requestVariables,
                    dataType: 'text',
                    success: function(result) {
                        // Convert data
                        var newData = obj.parseCSV(result, obj.options.csvDelimiter)
    
                        // Headers
                        if (obj.options.csvHeaders == true && newData.length > 0) {
                            var headers = newData.shift();
                            for(var i = 0; i < headers.length; i++) {
                                if (! obj.options.columns[i]) {
                                    obj.options.columns[i] = { type:'text', align:obj.options.defaultColAlign, width:obj.options.defaultColWidth };
                                }
                                // Precedence over pre-configurated titles
                                if (typeof obj.options.columns[i].title === 'undefined') {
                                  obj.options.columns[i].title = headers[i];
                                }
                            }
                        }
                        // Data
                        obj.options.data = newData;
                        // Prepare table
                        obj.prepareTable();
                        // Hide spin
                        if (obj.options.loadingSpin == true) {
                            jSuites.loading.hide();
                        }
                    }
                });
            } else if (obj.options.url) {
                // Loading
                if (obj.options.loadingSpin == true) {
                    jSuites.loading.show();
                }
    
                jSuites.ajax({
                    url: obj.options.url,
                    method: obj.options.method,
                    data: obj.options.requestVariables,
                    dataType: 'json',
                    success: function(result) {
                        // Data
                        obj.options.data = (result.data) ? result.data : result;
                        // Prepare table
                        obj.prepareTable();
                        // Hide spin
                        if (obj.options.loadingSpin == true) {
                            jSuites.loading.hide();
                        }
                    }
                });
            } else {
                // Prepare table
                obj.prepareTable();
            }
        }
    
        // Context menu
        if (options && options.contextMenu != null) {
            obj.options.contextMenu = options.contextMenu;
        } else {
            obj.options.contextMenu = function(el, x, y, e) {
                var items = [];
    
                if (y == null) {
                    // Insert a new column
                    if (obj.options.allowInsertColumn == true) {
                        items.push({
                            title:obj.options.text.insertANewColumnBefore,
                            onclick:function() {
                                obj.insertColumn(1, parseInt(x), 1);
                            }
                        });
                    }
    
                    if (obj.options.allowInsertColumn == true) {
                        items.push({
                            title:obj.options.text.insertANewColumnAfter,
                            onclick:function() {
                                obj.insertColumn(1, parseInt(x), 0);
                            }
                        });
                    }
    
                    // Delete a column
                    if (obj.options.allowDeleteColumn == true) {
                        items.push({
                            title:obj.options.text.deleteSelectedColumns,
                            onclick:function() {
                                obj.deleteColumn(obj.getSelectedColumns().length ? undefined : parseInt(x));
                            }
                        });
                    }
    
                    // Rename column
                    if (obj.options.allowRenameColumn == true) {
                        items.push({
                            title:obj.options.text.renameThisColumn,
                            onclick:function() {
                                obj.setHeader(x);
                            }
                        });
                    }
    
                    // Sorting
                    if (obj.options.columnSorting == true) {
                        // Line
                        items.push({ type:'line' });
    
                        items.push({
                            title:obj.options.text.orderAscending,
                            onclick:function() {
                                obj.orderBy(x, 0);
                            }
                        });
                        items.push({
                            title:obj.options.text.orderDescending,
                            onclick:function() {
                                obj.orderBy(x, 1);
                            }
                        });
                    }
                } else {
                    // Insert new row
                    if (obj.options.allowInsertRow == true) {
                        items.push({
                            title:obj.options.text.insertANewRowBefore,
                            onclick:function() {
                                obj.insertRow(1, parseInt(y), 1);
                            }
                        });
    
                        items.push({
                            title:obj.options.text.insertANewRowAfter,
                            onclick:function() {
                                obj.insertRow(1, parseInt(y));
                            }
                        });
                    }
    
                    if (obj.options.allowDeleteRow == true) {
                        items.push({
                            title:obj.options.text.deleteSelectedRows,
                            onclick:function() {
                                obj.deleteRow(obj.getSelectedRows().length ? undefined : parseInt(y));
                            }
                        });
                    }
    
                    if (x) {
                        if (obj.options.allowComments == true) {
                            items.push({ type:'line' });
    
                            var title = obj.records[y][x].getAttribute('title') || '';

                            items.push({
                                title: title ? obj.options.text.editComments : obj.options.text.addComments,
                                onclick:function() {
                                    var comment = prompt(obj.options.text.comments, title);
                                    if (comment) {
                                        obj.setComments([ x, y ], comment);
                                    }
                                }
                            });
    
                            if (title) {
                                items.push({
                                    title:obj.options.text.clearComments,
                                    onclick:function() {
                                        obj.setComments([ x, y ], '');
                                    }
                                });
                            }
                        }
                    }
                }
    
                // Line
                items.push({ type:'line' });
    
                // Copy
                items.push({
                    title:obj.options.text.copy,
                    shortcut:'Ctrl + C',
                    onclick:function() {
                        obj.copy(true);
                    }
                });
    
                // Paste
                if (navigator && navigator.clipboard) {
                    items.push({
                        title:obj.options.text.paste,
                        shortcut:'Ctrl + V',
                        onclick:function() {
                            if (obj.selectedCell) {
                                navigator.clipboard.readText().then(function(text) {
                                    if (text) {
                                        jexcel.current.paste(obj.selectedCell[0], obj.selectedCell[1], text);
                                    }
                                });
                            }
                        }
                    });
                }
    
                // Save
                if (obj.options.allowExport) {
                    items.push({
                        title: obj.options.text.saveAs,
                        shortcut: 'Ctrl + S',
                        onclick: function () {
                            obj.download();
                        }
                    });
                }
    
                // About
                if (obj.options.about) {
                    items.push({
                        title:obj.options.text.about,
                        onclick:function() {
                            alert(obj.options.about);
                        }
                    });
                }
    
                return items;
            }
        }
    
        obj.scrollControls = function(e) {
            obj.wheelControls();

            if (obj.options.freezeColumns > 0 && obj.content.scrollLeft != scrollLeft) {
                obj.updateFreezePosition();
            }

            // Close editor
            if (obj.options.lazyLoading == true || obj.options.tableOverflow == true) {
                if (obj.edition && e.target.className.substr(0,9) != 'jdropdown') {
                    obj.closeEditor(obj.edition[0], true);
                }
            }
        }

        obj.wheelControls = function(e) {
            if (obj.options.lazyLoading == true) {
                if (jexcel.timeControlLoading == null) {
                    jexcel.timeControlLoading = setTimeout(function() {
                        if (obj.content.scrollTop + obj.content.clientHeight >= obj.content.scrollHeight) {
                            if (obj.loadDown()) {
                                if (obj.content.scrollTop + obj.content.clientHeight > obj.content.scrollHeight - 10) {
                                    obj.content.scrollTop = obj.content.scrollTop - obj.content.clientHeight;
                                }
                                obj.updateCornerPosition();
                            }
                        } else if (obj.content.scrollTop <= obj.content.clientHeight) {
                            if (obj.loadUp()) {
                                if (obj.content.scrollTop < 10) {
                                    obj.content.scrollTop = obj.content.scrollTop + obj.content.clientHeight;
                                }
                                obj.updateCornerPosition();
                            }
                        }
    
                        jexcel.timeControlLoading = null;
                    }, 100);
                }
            }
        }

        // Get width of all freezed cells together
        obj.getFreezeWidth = function() {
            var width = 0;
            if (obj.options.freezeColumns > 0) {
                for (var i = 0; i < obj.options.freezeColumns; i++) {
                    width += parseInt(obj.options.columns[i].width);
                }
            }
            return width;
        }

        var scrollLeft = 0;

        obj.updateFreezePosition = function() {
            scrollLeft = obj.content.scrollLeft;
            var width = 0;
            if (scrollLeft > 50) {
                for (var i = 0; i < obj.options.freezeColumns; i++) {
                    if (i > 0) {
                        width += parseInt(obj.options.columns[i-1].width);
                    }
                    obj.headers[i].classList.add('jexcel_freezed');
                    obj.headers[i].style.left = width + 'px';
                    for (var j = 0; j < obj.rows.length; j++) {
                        if (obj.rows[j] && obj.records[j][i]) {
                            var shifted = (scrollLeft + (i > 0 ? obj.records[j][i-1].style.width : 0)) - 51 + 'px';
                            obj.records[j][i].classList.add('jexcel_freezed');
                            obj.records[j][i].style.left = shifted;
                        }
                    }
                }
            } else {
                for (var i = 0; i < obj.options.freezeColumns; i++) {
                    obj.headers[i].classList.remove('jexcel_freezed');
                    obj.headers[i].style.left = '';
                    for (var j = 0; j < obj.rows.length; j++) {
                        if (obj.records[j][i]) {
                            obj.records[j][i].classList.remove('jexcel_freezed');
                            obj.records[j][i].style.left = '';
                        }
                    }
                }
            }

            // Place the corner in the correct place
            obj.updateCornerPosition();
        }

        el.addEventListener("DOMMouseScroll", obj.wheelControls);
        el.addEventListener("mousewheel", obj.wheelControls);
    
        el.jexcel = obj;
    
        obj.init();
    
        return obj;
    });
    
    jexcel.current = null;
    jexcel.timeControl = null;
    jexcel.timeControlLoading = null;
    
    jexcel.destroy = function(element, destroyEventHandlers) {
        if (element.jexcel) {
            var root = element.jexcel.options.root ? element.jexcel.options.root : document;
            element.removeEventListener("DOMMouseScroll", element.jexcel.scrollControls);
            element.removeEventListener("mousewheel", element.jexcel.scrollControls);
            element.jexcel = null;
            element.innerHTML = '';
    
            if (destroyEventHandlers) {
                root.removeEventListener("mouseup", jexcel.mouseUpControls);
                root.removeEventListener("mousedown", jexcel.mouseDownControls);
                root.removeEventListener("mousemove", jexcel.mouseMoveControls);
                root.removeEventListener("mouseover", jexcel.mouseOverControls);
                root.removeEventListener("dblclick", jexcel.doubleClickControls);
                root.removeEventListener("paste", jexcel.pasteControls);
                root.removeEventListener("contextmenu", jexcel.contextMenuControls);
                root.removeEventListener("touchstart", jexcel.touchStartControls);
                root.removeEventListener("touchend", jexcel.touchEndControls);
                root.removeEventListener("touchcancel", jexcel.touchEndControls);
                document.removeEventListener("keydown", jexcel.keyDownControls);
                jexcel = null;
            }
        }
    }
    
    jexcel.build = function(root) {
        root.addEventListener("mouseup", jexcel.mouseUpControls);
        root.addEventListener("mousedown", jexcel.mouseDownControls);
        root.addEventListener("mousemove", jexcel.mouseMoveControls);
        root.addEventListener("mouseover", jexcel.mouseOverControls);
        root.addEventListener("dblclick", jexcel.doubleClickControls);
        root.addEventListener("paste", jexcel.pasteControls);
        root.addEventListener("contextmenu", jexcel.contextMenuControls);
        root.addEventListener("touchstart", jexcel.touchStartControls);
        root.addEventListener("touchend", jexcel.touchEndControls);
        root.addEventListener("touchcancel", jexcel.touchEndControls);
        root.addEventListener("touchmove", jexcel.touchEndControls);
        document.addEventListener("keydown", jexcel.keyDownControls);
    }
    
    /**
     * Events
     */
    jexcel.keyDownControls = function(e) {
        if (jexcel.current) {
            if (jexcel.current.edition) {
                if (e.which == 27) {
                    // Escape
                    if (jexcel.current.edition) {
                        // Exit without saving
                        jexcel.current.closeEditor(jexcel.current.edition[0], false);
                    }
                    e.preventDefault();
                } else if (e.which == 13) {
                    // Enter
                    if (jexcel.current.options.columns[jexcel.current.edition[2]].type == 'calendar') {
                        jexcel.current.closeEditor(jexcel.current.edition[0], true);
                    } else if (jexcel.current.options.columns[jexcel.current.edition[2]].type == 'dropdown' ||
                               jexcel.current.options.columns[jexcel.current.edition[2]].type == 'autocomplete') {
                        // Do nothing
                    } else {
                        // Alt enter -> do not close editor
                        if ((jexcel.current.options.wordWrap == true ||
                             jexcel.current.options.columns[jexcel.current.edition[2]].wordWrap == true ||
                             jexcel.current.options.data[jexcel.current.edition[3]][jexcel.current.edition[2]].length > 200) && e.altKey) {
                            // Add new line to the editor
                            var editorTextarea = jexcel.current.edition[0].children[0];
                            var editorValue = jexcel.current.edition[0].children[0].value;
                            var editorIndexOf = editorTextarea.selectionStart;
                            editorValue = editorValue.slice(0, editorIndexOf) + "\n" + editorValue.slice(editorIndexOf);
                            editorTextarea.value = editorValue;
                            editorTextarea.focus();
                            editorTextarea.selectionStart = editorIndexOf + 1;
                            editorTextarea.selectionEnd = editorIndexOf + 1;
                        } else {
                            jexcel.current.edition[0].children[0].blur();
                        }
                    }
                } else if (e.which == 9) {
                    // Tab
                    if (jexcel.current.options.columns[jexcel.current.edition[2]].type == 'calendar') {
                        jexcel.current.closeEditor(jexcel.current.edition[0], true);
                    } else {
                        jexcel.current.edition[0].children[0].blur();
                    }
                }
            }
    
            if (! jexcel.current.edition && jexcel.current.selectedCell) {
                // Which key
                if (e.which == 37) {
                    jexcel.current.left(e.shiftKey, e.ctrlKey);
                    e.preventDefault();
                } else if (e.which == 39) {
                    jexcel.current.right(e.shiftKey, e.ctrlKey);
                    e.preventDefault();
                } else if (e.which == 38) {
                    jexcel.current.up(e.shiftKey, e.ctrlKey);
                    e.preventDefault();
                } else if (e.which == 40) {
                    jexcel.current.down(e.shiftKey, e.ctrlKey);
                    e.preventDefault();
                } else if (e.which == 36) {
                    jexcel.current.first(e.shiftKey, e.ctrlKey);
                    e.preventDefault();
                } else if (e.which == 35) {
                    jexcel.current.last(e.shiftKey, e.ctrlKey);
                    e.preventDefault();
                } else if (e.which == 32) {
                    if (jexcel.current.options.editable == true) {
                        jexcel.current.setCheckRadioValue();
                    }
                    e.preventDefault();
                } else if (e.which == 46) {
                    // Delete
                    if (jexcel.current.options.editable == true) {
                        if (jexcel.current.selectedRow) {
                            if (jexcel.current.options.allowDeleteRow == true) {
                                if (confirm(jexcel.current.options.text.areYouSureToDeleteTheSelectedRows)) {
                                    jexcel.current.deleteRow();
                                }
                            }
                        } else if (jexcel.current.selectedHeader) {
                            if (jexcel.current.options.allowDeleteColumn == true) {
                                if (confirm(jexcel.current.options.text.areYouSureToDeleteTheSelectedColumns)) {
                                    jexcel.current.deleteColumn();
                                }
                            }
                        } else {
                            // Change value
                            jexcel.current.setValue(jexcel.current.highlighted, '');
                        }
                    }
                } else if (e.which == 13) {
                    // Move cursor
                    if (e.shiftKey) {
                        jexcel.current.up();
                    } else {
                        if (jexcel.current.options.allowInsertRow == true) {
                            if (jexcel.current.options.allowManualInsertRow == true) {
                                if (jexcel.current.selectedCell[1] == jexcel.current.options.data.length - 1) {
                                    // New record in case selectedCell in the last row
                                    jexcel.current.insertRow();
                                }
                            }
                        }
    
                        jexcel.current.down();
                    }
                    e.preventDefault();
                } else if (e.which == 9) {
                    // Tab
                    if (e.shiftKey) {
                        jexcel.current.left();
                    } else {
                        if (jexcel.current.options.allowInsertColumn == true) {
                            if (jexcel.current.options.allowManualInsertColumn == true) {
                                if (jexcel.current.selectedCell[0] == jexcel.current.options.data[0].length - 1) {
                                    // New record in case selectedCell in the last column
                                    jexcel.current.insertColumn();
                                }
                            }
                        }
    
                        jexcel.current.right();
                    }
                    e.preventDefault();
                } else {
                    if ((e.ctrlKey || e.metaKey) && ! e.shiftKey) {
                        if (e.which == 65) {
                            // Ctrl + A
                            jexcel.current.selectAll();
                            e.preventDefault();
                        } else if (e.which == 83) {
                            // Ctrl + S
                            jexcel.current.download();
                            e.preventDefault();
                        } else if (e.which == 89) {
                            // Ctrl + Y
                            jexcel.current.redo();
                            e.preventDefault();
                        } else if (e.which == 90) {
                            // Ctrl + Z
                            jexcel.current.undo();
                            e.preventDefault();
                        } else if (e.which == 67) {
                            // Ctrl + C
                            jexcel.current.copy(true);
                            e.preventDefault();
                        } else if (e.which == 67) {
                            // Ctrl + C
                            jexcel.current.copy(true);
                            e.preventDefault();
                        } else if (e.which == 88) {
                            // Ctrl + X
                            if (jexcel.current.options.editable == true) {
                                jexcel.cutControls();
                            } else {
                                jexcel.copyControls();
                            }
                            e.preventDefault();
                        } else if (e.which == 86) {
                            // Ctrl + V
                            jexcel.pasteControls();
                        }
                    } else {
                        if (jexcel.current.selectedCell) {
                            if (jexcel.current.options.editable == true) {
                                var rowId = jexcel.current.selectedCell[1];
                                var columnId = jexcel.current.selectedCell[0];
    
                                // If is not readonly
                                if (jexcel.current.options.columns[columnId].type != 'readonly') {
                                    // Characters able to start a edition
                                    if (e.keyCode == 32) {
                                        // Space
                                        if (jexcel.current.options.columns[columnId].type == 'checkbox' ||
                                            jexcel.current.options.columns[columnId].type == 'radio') {
                                            e.preventDefault();
                                        } else {
                                            // Start edition
                                            jexcel.current.openEditor(jexcel.current.records[rowId][columnId], true);
                                        }
                                    } else if (e.keyCode == 113) {
                                        // Start edition with current content F2
                                        jexcel.current.openEditor(jexcel.current.records[rowId][columnId], false);
                                    } else if ((e.keyCode == 8) ||
                                               (e.keyCode >= 48 && e.keyCode <= 57) ||
                                               (e.keyCode >= 96 && e.keyCode <= 111) ||
                                               (e.keyCode >= 187 && e.keyCode <= 190) ||
                                               ((String.fromCharCode(e.keyCode) == e.key || String.fromCharCode(e.keyCode).toLowerCase() == e.key.toLowerCase()) && jexcel.validLetter(String.fromCharCode(e.keyCode)))) {
                                        // Start edition
                                        jexcel.current.openEditor(jexcel.current.records[rowId][columnId], true);
                                        // Prevent entries in the calendar
                                        if (jexcel.current.options.columns[columnId].type == 'calendar') {
                                            e.preventDefault();
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            } else {
                if (e.target.classList.contains('jexcel_search')) {
                    if (jexcel.timeControl) {
                        clearTimeout(jexcel.timeControl);
                    }
    
                    jexcel.timeControl = setTimeout(function() {
                        jexcel.current.search(e.target.value);
                    }, 200);
                }
            }
        }
    }
    
    jexcel.isMouseAction = false;
    
    jexcel.mouseDownControls = function(e) {
        e = e || window.event;
        if (e.buttons) {
            var mouseButton = e.buttons;
        } else if (e.button) {
            var mouseButton = e.button;
        } else {
            var mouseButton = e.which;
        }

        // Get elements
        var jexcelTable = jexcel.getElement(e.target);

        if (jexcelTable[0]) {
            if (jexcel.current != jexcelTable[0].jexcel) {
                if (jexcel.current) {
                    if (jexcel.current.edition) {
                        jexcel.current.closeEditor(jexcel.current.edition[0], true);
                    }
                    jexcel.current.resetSelection();
                }
                jexcel.current = jexcelTable[0].jexcel;
            }
        } else {
            if (jexcel.current) {
                if (jexcel.current.edition) {
                    jexcel.current.closeEditor(jexcel.current.edition[0], true);
                }
                
                jexcel.current.resetSelection(true);
                jexcel.current = null;
            }
        }
    
        if (jexcel.current && mouseButton == 1) {
            if (e.target.classList.contains('jexcel_selectall')) {
                if (jexcel.current) {
                    jexcel.current.selectAll();
                }
            } else if (e.target.classList.contains('jexcel_corner')) {
                if (jexcel.current.options.editable == true) {
                    jexcel.current.selectedCorner = true;
                }
            } else {
                // Header found
                if (jexcelTable[1] == 1) {
                    var columnId = e.target.getAttribute('data-x');
                    if (columnId) {
                        // Update cursor
                        var info = e.target.getBoundingClientRect();
                        if (jexcel.current.options.columnResize == true && info.width - e.offsetX < 6) {
                            // Resize helper
                            jexcel.current.resizing = {
                                mousePosition: e.pageX,
                                column: columnId,
                                width: info.width,
                            };
    
                            // Border indication
                            jexcel.current.headers[columnId].classList.add('resizing');
                            for (var j = 0; j < jexcel.current.records.length; j++) {
                                if (jexcel.current.records[j][columnId]) {
                                    jexcel.current.records[j][columnId].classList.add('resizing');
                                }
                            }
                        } else if (jexcel.current.options.columnDrag == true && info.height - e.offsetY < 6) {
                            if (jexcel.current.isColMerged(columnId).length) {
                                console.error('JEXCEL: This column is part of a merged cell.');
                            } else {
                                // Reset selection
                                jexcel.current.resetSelection();
                                // Drag helper
                                jexcel.current.dragging = {
                                    element: e.target,
                                    column:columnId,
                                    destination:columnId,
                                };
                                // Border indication
                                jexcel.current.headers[columnId].classList.add('dragging');
                                for (var j = 0; j < jexcel.current.records.length; j++) {
                                    if (jexcel.current.records[j][columnId]) {
                                        jexcel.current.records[j][columnId].classList.add('dragging');
                                    }
                                }
                            }
                        } else {
                            if (jexcel.current.selectedHeader && (e.shiftKey || e.ctrlKey)) {
                                var o = jexcel.current.selectedHeader;
                                var d = columnId;
                            } else {
                                // Press to rename
                                if (jexcel.current.selectedHeader == columnId && jexcel.current.options.allowRenameColumn == true) {
                                    jexcel.timeControl = setTimeout(function() {
                                        jexcel.current.setHeader(columnId);
                                    }, 800);
                                }
    
                                // Keep track of which header was selected first
                                jexcel.current.selectedHeader = columnId;
    
                                // Update selection single column
                                var o = columnId;
                                var d = columnId;
                            }
    
                            // Update selection
                            jexcel.current.updateSelectionFromCoords(o, 0, d, jexcel.current.options.data.length - 1);
                        }
                    } else {
                        if (e.target.parentNode.classList.contains('jexcel_nested')) {
                            if (e.target.getAttribute('data-column')) {
                                var column = e.target.getAttribute('data-column').split(',');
                                var c1 = parseInt(column[0]);
                                var c2 = parseInt(column[column.length-1]);
                            } else {
                                var c1 = 0;
                                var c2 = jexcel.current.options.columns.length - 1;
                            }
                            jexcel.current.updateSelectionFromCoords(c1, 0, c2, jexcel.current.options.data.length - 1);
                        }
                    }
                } else {
                    jexcel.current.selectedHeader = false;
                }
    
                // Body found
                if (jexcelTable[1] == 2) {
                    var rowId = e.target.getAttribute('data-y');
                    
                    if (e.target.classList.contains('jexcel_row')) {
                        var info = e.target.getBoundingClientRect();
                        if (jexcel.current.options.rowResize == true && info.height - e.offsetY < 6) {
                            // Resize helper
                            jexcel.current.resizing = {
                                element: e.target.parentNode,
                                mousePosition: e.pageY,
                                row: rowId,
                                height: info.height,
                            };
                            // Border indication
                            e.target.parentNode.classList.add('resizing');
                        } else if (jexcel.current.options.rowDrag == true && info.width - e.offsetX < 6) {
                            if (jexcel.current.isRowMerged(rowId).length) {
                                console.error('JEXCEL: This row is part of a merged cell');
                            } else if (jexcel.current.options.search == true && jexcel.current.results) {
                                console.error('JEXCEL: Please clear your search before perform this action');
                            } else {
                                // Reset selection
                                jexcel.current.resetSelection();
                                // Drag helper
                                jexcel.current.dragging = {
                                    element: e.target.parentNode,
                                    row:rowId,
                                    destination:rowId,
                                };
                                // Border indication
                                e.target.parentNode.classList.add('dragging');
                            }
                        } else {
                            if (jexcel.current.selectedRow && (e.shiftKey || e.ctrlKey)) {
                                var o = jexcel.current.selectedRow;
                                var d = rowId;
                            } else {
                                // Keep track of which header was selected first
                                jexcel.current.selectedRow = rowId;
    
                                // Update selection single column
                                var o = rowId;
                                var d = rowId;
                            }
    
                            // Update selection
                            jexcel.current.updateSelectionFromCoords(0, o, jexcel.current.options.data[0].length - 1, d);
                        }
                    } else {
                        // Jclose
                        if (e.target.classList.contains('jclose') && e.target.clientWidth - e.offsetX < 50 && e.offsetY < 50) {
                            jexcel.current.closeEditor(jexcel.current.edition[0], true);
                        } else {
                            var getCellCoords = function(element) {
                                var x = element.getAttribute('data-x');
                                var y = element.getAttribute('data-y');
                                if (x && y) {
                                    return [x, y];
                                } else {
                                    if (element.parentNode) {
                                        return getCellCoords(element.parentNode);
                                    }
                                }
                            };

                            var position = getCellCoords(e.target);
                            if (position) {

                                var columnId = position[0];
                                var rowId = position[1];
                                // Close edition
                                if (jexcel.current.edition) {
                                    if (jexcel.current.edition[2] != columnId || jexcel.current.edition[3] != rowId) {
                                        jexcel.current.closeEditor(jexcel.current.edition[0], true);
                                    }
                                }

                                if (! jexcel.current.edition) {
                                    // Update cell selection
                                    if (e.shiftKey) {
                                        jexcel.current.updateSelectionFromCoords(jexcel.current.selectedCell[0], jexcel.current.selectedCell[1], columnId, rowId);
                                    } else {
                                        jexcel.current.updateSelectionFromCoords(columnId, rowId);
                                    }
                                }

                                // No full row selected
                                jexcel.current.selectedHeader = null;
                                jexcel.current.selectedRow = null;
                            }
                        }
                    }
                } else {
                    jexcel.current.selectedRow = false;
                }
    
                // Pagination
                if (e.target.classList.contains('jexcel_page')) {
                    if (e.target.innerText == '<') {
                        jexcel.current.page(0);
                    } else if (e.target.innerText == '>') {
                        jexcel.current.page(e.target.getAttribute('title') - 1);
                    } else {
                        jexcel.current.page(e.target.innerText - 1);
                    }
                }
            }
    
            if (jexcel.current.edition) {
                jexcel.isMouseAction = false;
            } else {
                jexcel.isMouseAction = true;
            }
        } else {
            jexcel.isMouseAction = false;
        }
    }
    
    jexcel.mouseUpControls = function(e) {
        if (jexcel.current) {
            // Update cell size
            if (jexcel.current.resizing) {
                // Columns to be updated
                if (jexcel.current.resizing.column) {
                    // New width
                    var newWidth = jexcel.current.colgroup[jexcel.current.resizing.column].getAttribute('width');
                    // Columns
                    var columns = jexcel.current.getSelectedColumns();
                    if (columns.length > 1) {
                        var currentWidth = [];
                        for (var i = 0; i < columns.length; i++) {
                            currentWidth.push(parseInt(jexcel.current.colgroup[columns[i]].getAttribute('width')));
                        }
                        // Previous width
                        var index = columns.indexOf(parseInt(jexcel.current.resizing.column));
                        currentWidth[index] = jexcel.current.resizing.width;
                        jexcel.current.setWidth(columns, newWidth, currentWidth);
                    } else {
                        jexcel.current.setWidth(jexcel.current.resizing.column, newWidth, jexcel.current.resizing.width);
                    }
                    // Remove border
                    jexcel.current.headers[jexcel.current.resizing.column].classList.remove('resizing');
                    for (var j = 0; j < jexcel.current.records.length; j++) {
                        if (jexcel.current.records[j][jexcel.current.resizing.column]) {
                            jexcel.current.records[j][jexcel.current.resizing.column].classList.remove('resizing');
                        }
                    }
                } else {
                    // Remove Class
                    jexcel.current.rows[jexcel.current.resizing.row].children[0].classList.remove('resizing');
                    var newHeight = jexcel.current.rows[jexcel.current.resizing.row].getAttribute('height');
                    jexcel.current.setHeight(jexcel.current.resizing.row, newHeight, jexcel.current.resizing.height);
                    // Remove border
                    jexcel.current.resizing.element.classList.remove('resizing');
                }
                // Reset resizing helper
                jexcel.current.resizing = null;
            } else if (jexcel.current.dragging) {
                // Reset dragging helper
                if (jexcel.current.dragging) {
                    if (jexcel.current.dragging.column) {
                        // Target
                        var columnId = e.target.getAttribute('data-x');
                        // Remove move style
                        jexcel.current.headers[jexcel.current.dragging.column].classList.remove('dragging');
                        for (var j = 0; j < jexcel.current.rows.length; j++) {
                            if (jexcel.current.records[j][jexcel.current.dragging.column]) {
                                jexcel.current.records[j][jexcel.current.dragging.column].classList.remove('dragging');
                            }
                        }
                        for (var i = 0; i < jexcel.current.headers.length; i++) {
                            jexcel.current.headers[i].classList.remove('dragging-left');
                            jexcel.current.headers[i].classList.remove('dragging-right');
                        }
                        // Update position
                        if (columnId) {
                            if (jexcel.current.dragging.column != jexcel.current.dragging.destination) {
                                jexcel.current.moveColumn(jexcel.current.dragging.column, jexcel.current.dragging.destination);
                            }
                        }
                    } else {
                        if (jexcel.current.dragging.element.nextSibling) {
                            var position = parseInt(jexcel.current.dragging.element.nextSibling.getAttribute('data-y'));
                            if (jexcel.current.dragging.row < position) {
                                position -= 1;
                            }
                        } else {
                            var position = parseInt(jexcel.current.dragging.element.previousSibling.getAttribute('data-y'));
                        }
                        if (jexcel.current.dragging.row != jexcel.current.dragging.destination) {
                            jexcel.current.moveRow(jexcel.current.dragging.row, position, true);
                        }
                        jexcel.current.dragging.element.classList.remove('dragging');
                    }
                    jexcel.current.dragging = null;
                }
            } else {
                // Close any corner selection
                if (jexcel.current.selectedCorner) {
                    jexcel.current.selectedCorner = false;
    
                    // Data to be copied
                    if (jexcel.current.selection.length > 0) {
                        // Copy data
                        jexcel.current.copyData(jexcel.current.selection[0], jexcel.current.selection[jexcel.current.selection.length - 1]);
    
                        // Remove selection
                        jexcel.current.removeCopySelection();
                    }
                }
            }
        }

        // Clear any time control
        if (jexcel.timeControl) {
            clearTimeout(jexcel.timeControl);
            jexcel.timeControl = null;
        }
    
        // Mouse up
        jexcel.isMouseAction = false;
    }
    
    // Mouse move controls
    jexcel.mouseMoveControls = function(e) {
        e = e || window.event;
        if (e.buttons) {
            var mouseButton = e.buttons;
        } else if (e.button) {
            var mouseButton = e.button;
        } else {
            var mouseButton = e.which;
        }
    
        if (! mouseButton) {
            jexcel.isMouseAction = false;
        }
    
        if (jexcel.current) {
            if (jexcel.isMouseAction == true) {
                // Resizing is ongoing
                if (jexcel.current.resizing) {
                    if (jexcel.current.resizing.column) {
                        var width = e.pageX - jexcel.current.resizing.mousePosition;
    
                        if (jexcel.current.resizing.width + width > 0) {
                            var tempWidth = jexcel.current.resizing.width + width;
                            jexcel.current.colgroup[jexcel.current.resizing.column].setAttribute('width', tempWidth);
    
                            jexcel.current.updateCornerPosition();
                        }
                    } else {
                        var height = e.pageY - jexcel.current.resizing.mousePosition;
    
                        if (jexcel.current.resizing.height + height > 0) {
                            var tempHeight = jexcel.current.resizing.height + height;
                            jexcel.current.rows[jexcel.current.resizing.row].setAttribute('height', tempHeight);
    
                            jexcel.current.updateCornerPosition();
                        }
                    }
                }
            } else {
                var x = e.target.getAttribute('data-x');
                var y = e.target.getAttribute('data-y');
                var rect = e.target.getBoundingClientRect();
    
                if (jexcel.current.cursor) {
                    jexcel.current.cursor.style.cursor = '';
                    jexcel.current.cursor = null;
                }

                if (e.target.parentNode.parentNode && e.target.parentNode.parentNode.className) {
                    if (e.target.parentNode.parentNode.classList.contains('resizable')) {
                        if (e.target && x && ! y && (rect.width - (e.clientX - rect.left) < 6)) {
                            jexcel.current.cursor = e.target;
                            jexcel.current.cursor.style.cursor = 'col-resize';
                        } else if (e.target && ! x && y && (rect.height - (e.clientY - rect.top) < 6)) {
                            jexcel.current.cursor = e.target;
                            jexcel.current.cursor.style.cursor = 'row-resize';
                        }
                    }
    
                    if (e.target.parentNode.parentNode.classList.contains('draggable')) {
                        if (e.target && ! x && y && (rect.width - (e.clientX - rect.left) < 6)) {
                            jexcel.current.cursor = e.target;
                            jexcel.current.cursor.style.cursor = 'move';
                        } else if (e.target && x && ! y && (rect.height - (e.clientY - rect.top) < 6)) {
                            jexcel.current.cursor = e.target;
                            jexcel.current.cursor.style.cursor = 'move';
                        }
                    }
                }
            }
        }
    }
    
    jexcel.mouseOverControls = function(e) {
        e = e || window.event;
        if (e.buttons) {
            var mouseButton = e.buttons;
        } else if (e.button) {
            var mouseButton = e.button;
        } else {
            var mouseButton = e.which;
        }
    
        if (! mouseButton) {
            jexcel.isMouseAction = false;
        }
    
        if (jexcel.current && jexcel.isMouseAction == true) {
            // Get elements
            var jexcelTable = jexcel.getElement(e.target);
    
            if (jexcelTable[0]) {
                // Avoid cross reference
                if (jexcel.current != jexcelTable[0].jexcel) {
                    if (jexcel.current) {
                        return false;
                    }
                }
    
                var columnId = e.target.getAttribute('data-x');
                var rowId = e.target.getAttribute('data-y');
    
                if (jexcel.current.dragging) {
                    if (jexcel.current.dragging.column) {
                        if (columnId) {
                            if (jexcel.current.isColMerged(columnId).length) {
                                console.error('JEXCEL: This column is part of a merged cell.');
                            } else {
                                for (var i = 0; i < jexcel.current.headers.length; i++) {
                                    jexcel.current.headers[i].classList.remove('dragging-left');
                                    jexcel.current.headers[i].classList.remove('dragging-right');
                                }
    
                                if (jexcel.current.dragging.column == columnId) {
                                    jexcel.current.dragging.destination = parseInt(columnId);
                                } else {
                                    if (e.target.clientWidth / 2 > e.offsetX) {
                                        if (jexcel.current.dragging.column < columnId) {
                                            jexcel.current.dragging.destination = parseInt(columnId) - 1;
                                        } else {
                                            jexcel.current.dragging.destination = parseInt(columnId);
                                        }
                                        jexcel.current.headers[columnId].classList.add('dragging-left');
                                    } else {
                                        if (jexcel.current.dragging.column < columnId) {
                                            jexcel.current.dragging.destination = parseInt(columnId);
                                        } else {
                                            jexcel.current.dragging.destination = parseInt(columnId) + 1;
                                        }
                                        jexcel.current.headers[columnId].classList.add('dragging-right');
                                    }
                                }
                            }
                        }
                    } else {
                        if (rowId) {
                            if (jexcel.current.isRowMerged(rowId).length) {
                                console.error('JEXCEL: This row is part of a merged cell.');
                            } else {
                                var target = (e.target.clientHeight / 2 > e.offsetY) ? e.target.parentNode.nextSibling : e.target.parentNode;
                                if (jexcel.current.dragging.element != target) {
                                    e.target.parentNode.parentNode.insertBefore(jexcel.current.dragging.element, target);
                                    jexcel.current.dragging.destination = Array.prototype.indexOf.call(jexcel.current.dragging.element.parentNode.children, jexcel.current.dragging.element);
                                }
                            }
                        }
                    }
                } else if (jexcel.current.resizing) {
                } else {
                    // Header found
                    if (jexcelTable[1] == 1) {
                        if (jexcel.current.selectedHeader) {
                            var columnId = e.target.getAttribute('data-x');
                            var o = jexcel.current.selectedHeader;
                            var d = columnId;
                            // Update selection
                            jexcel.current.updateSelectionFromCoords(o, 0, d, jexcel.current.options.data.length - 1);
                        }
                    }
    
                    // Body found
                    if (jexcelTable[1] == 2) {
                        if (e.target.classList.contains('jexcel_row')) {
                            if (jexcel.current.selectedRow) {
                                var o = jexcel.current.selectedRow;
                                var d = rowId;
                                // Update selection
                                jexcel.current.updateSelectionFromCoords(0, o, jexcel.current.options.data[0].length - 1, d);
                            }
                        } else {
                            // Do not select edtion is in progress
                            if (! jexcel.current.edition) {
                                if (columnId && rowId) {
                                    if (jexcel.current.selectedCorner) {
                                        jexcel.current.updateCopySelection(columnId, rowId);
                                    } else {
                                        if (jexcel.current.selectedCell) {
                                            jexcel.current.updateSelectionFromCoords(jexcel.current.selectedCell[0], jexcel.current.selectedCell[1], columnId, rowId);
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
    
        // Clear any time control
        if (jexcel.timeControl) {
            clearTimeout(jexcel.timeControl);
            jexcel.timeControl = null;
        }
    }
    
    /**
     * Double click event handler: controls the double click in the corner, cell edition or column re-ordering.
     */
    jexcel.doubleClickControls = function(e) {
        // Jexcel is selected
        if (jexcel.current) {
            // Corner action
            if (e.target.classList.contains('jexcel_corner')) {
                // Any selected cells
                if (jexcel.current.highlighted.length > 0) {
                    // Copy from this
                    var x1 = jexcel.current.highlighted[0].getAttribute('data-x');
                    var y1 = parseInt(jexcel.current.highlighted[jexcel.current.highlighted.length - 1].getAttribute('data-y')) + 1;
                    // Until this
                    var x2 = jexcel.current.highlighted[jexcel.current.highlighted.length - 1].getAttribute('data-x');
                    var y2 = jexcel.current.records.length - 1
                    // Execute copy
                    jexcel.current.copyData(jexcel.current.records[y1][x1], jexcel.current.records[y2][x2]);
                }
            } else if (e.target.classList.contains('jexcel_column_filter')) {
                // Column
                var columnId = e.target.getAttribute('data-x');
                // Open filter
                jexcel.current.openFilter(columnId);
                
            } else {
                // Get table
                var jexcelTable = jexcel.getElement(e.target);
    
                // Double click over header
                if (jexcelTable[1] == 1 && jexcel.current.options.columnSorting == true) {
                    // Check valid column header coords
                    var columnId = e.target.getAttribute('data-x');
                    if (columnId) {
                        jexcel.current.orderBy(columnId);
                    }
                }
    
                // Double click over body
                if (jexcelTable[1] == 2 && jexcel.current.options.editable == true) {
                    if (! jexcel.current.edition) {
                        var getCellCoords = function(element) {
                            if (element.parentNode) {
                                var x = element.getAttribute('data-x');
                                var y = element.getAttribute('data-y');
                                if (x && y) {
                                    return element;
                                } else {
                                    return getCellCoords(element.parentNode);
                                }
                            }
                        }
                        var cell = getCellCoords(e.target);
                        if (cell && cell.classList.contains('highlight')) {
                            jexcel.current.openEditor(cell);
                        }
                    }
                }
            }
        }
    }
    
    jexcel.copyControls = function(e) {
        if (jexcel.current && jexcel.copyControls.enabled) {
            if (! jexcel.current.edition) {
                jexcel.current.copy(true);
            }
        }
    }
    
    jexcel.cutControls = function(e) {
        if (jexcel.current) {
            if (! jexcel.current.edition) {
                jexcel.current.copy(true);
                if (jexcel.current.options.editable == true) {
                    jexcel.current.setValue(jexcel.current.highlighted, '');
                }
            }
        }
    }
    
    jexcel.pasteControls = function(e) {
        if (jexcel.current && jexcel.current.selectedCell) {
            if (! jexcel.current.edition) {
                if (jexcel.current.options.editable == true) {
                    if (e && e.clipboardData) {
                        jexcel.current.paste(jexcel.current.selectedCell[0], jexcel.current.selectedCell[1], e.clipboardData.getData('text'));
                        e.preventDefault();
                    } else if (window.clipboardData) {
                        jexcel.current.paste(jexcel.current.selectedCell[0], jexcel.current.selectedCell[1], window.clipboardData.getData('text'));
                    }
                }
            }
        }
    }
    
    jexcel.contextMenuControls = function(e) {
        e = e || window.event;
        if ("buttons" in e) {
            var mouseButton = e.buttons;
        } else {
            var mouseButton = e.which || e.button;
        }
    
        if (jexcel.current) {
            if (jexcel.current.edition) {
                e.preventDefault();
            } else if (jexcel.current.options.contextMenu) {
                jexcel.current.contextMenu.contextmenu.close();
    
                if (jexcel.current) {
                    var x = e.target.getAttribute('data-x');
                    var y = e.target.getAttribute('data-y');
    
                    if (x || y) {
                        if ((x < parseInt(jexcel.current.selectedCell[0])) || (x > parseInt(jexcel.current.selectedCell[2])) ||
                            (y < parseInt(jexcel.current.selectedCell[1])) || (y > parseInt(jexcel.current.selectedCell[3])))
                        {
                            jexcel.current.updateSelectionFromCoords(x, y, x, y);
                        }

                        // Table found
                        var items = jexcel.current.options.contextMenu(jexcel.current, x, y, e);
                        // The id is depending on header and body
                        jexcel.current.contextMenu.contextmenu.open(e, items);
                        // Avoid the real one
                        e.preventDefault();
                    }
                }
            }
        }
    }

    jexcel.touchStartControls = function(e) {
        var jexcelTable = jexcel.getElement(e.target);
    
        if (jexcelTable[0]) {
            if (jexcel.current != jexcelTable[0].jexcel) {
                if (jexcel.current) {
                    jexcel.current.resetSelection();
                }
                jexcel.current = jexcelTable[0].jexcel;
            }
        } else {
            if (jexcel.current) {
                jexcel.current.resetSelection();
                jexcel.current = null;
            }
        }
    
        if (jexcel.current) {
            if (! jexcel.current.edition) {
                var columnId = e.target.getAttribute('data-x');
                var rowId = e.target.getAttribute('data-y');
    
                if (columnId && rowId) {
                    jexcel.current.updateSelectionFromCoords(columnId, rowId);
    
                    jexcel.timeControl = setTimeout(function() {
                        // Keep temporary reference to the element
                        if (jexcel.current.options.columns[columnId].type == 'color') {
                            jexcel.tmpElement = null;
                        } else {
                            jexcel.tmpElement = e.target;
                        }
                        jexcel.current.openEditor(e.target, false, e);
                    }, 500);
                }
            }
        }
    }
    
    jexcel.touchEndControls = function(e) {
        // Clear any time control
        if (jexcel.timeControl) {
            clearTimeout(jexcel.timeControl);
            jexcel.timeControl = null;
            // Element
            if (jexcel.tmpElement && jexcel.tmpElement.children[0].tagName == 'INPUT') {
                jexcel.tmpElement.children[0].focus();
            }
            jexcel.tmpElement = null;
        }
    }
    
    /**
     * Jexcel extensions
     */
    
    jexcel.tabs = function(tabs, result) {
        var instances = [];
        // Create tab container
        if (! tabs.classList.contains('jexcel_tabs')) {
            tabs.innerHTML = '';
            tabs.classList.add('jexcel_tabs')
            tabs.jexcel = [];

            var div = document.createElement('div');
            var headers = tabs.appendChild(div);
            var div = document.createElement('div');
            var content = tabs.appendChild(div);
        } else {
            var headers = tabs.children[0];
            var content = tabs.children[1];
        }

        var spreadsheet = []
        var link = [];
        for (var i = 0; i < result.length; i++) {
            // Spreadsheet container
            spreadsheet[i] = document.createElement('div');
            spreadsheet[i].classList.add('jexcel_tab');
            var worksheet = jexcel(spreadsheet[i], result[i]);
            content.appendChild(spreadsheet[i]);
            instances[i] = tabs.jexcel.push(worksheet);

            // Tab link
            link[i] = document.createElement('div');
            link[i].classList.add('jexcel_tab_link');
            link[i].setAttribute('data-spreadsheet', tabs.jexcel.length-1);
            link[i].innerHTML = result[i].sheetName;
            link[i].onclick = function() {
                for (var j = 0; j < headers.children.length; j++) {
                    headers.children[j].classList.remove('selected');
                    content.children[j].style.display = 'none';
                }
                var i = this.getAttribute('data-spreadsheet');
                content.children[i].style.display = 'block';
                headers.children[i].classList.add('selected')
            }
            headers.appendChild(link[i]);
        }

        // First tab
        for (var j = 0; j < headers.children.length; j++) {
            headers.children[j].classList.remove('selected');
            content.children[j].style.display = 'none';
        }
        headers.children[headers.children.length - 1].classList.add('selected');
        content.children[headers.children.length - 1].style.display = 'block';

        return instances;
    }

    // Compability to older versions
    jexcel.createTabs = jexcel.tabs;

    jexcel.fromSpreadsheet = function(file, __callback) {
        var convert = function(workbook) {
            var spreadsheets = [];
            workbook.SheetNames.forEach(function(sheetName) {
                var spreadsheet = {};
                spreadsheet.rows = [];
                spreadsheet.columns = [];
                spreadsheet.data = [];
                spreadsheet.style = {};
                spreadsheet.sheetName = sheetName;
    
                // Column widths
                var temp = workbook.Sheets[sheetName]['!cols'];
                if (temp && temp.length) {
                    for (var i = 0; i < temp.length; i++) {
                        spreadsheet.columns[i] = {};
                        if (temp[i] && temp[i].wpx) {
                            spreadsheet.columns[i].width = temp[i].wpx + 'px';
                        }
                     }
                }
                // Rows heights
                var temp = workbook.Sheets[sheetName]['!rows'];
                if (temp && temp.length) {
                    for (var i = 0; i < temp.length; i++) {
                        if (temp[i] && temp[i].hpx) {
                            spreadsheet.rows[i] = {};
                            spreadsheet.rows[i].height = temp[i].hpx + 'px';
                        }
                    }
                }
                // Merge cells
                var temp = workbook.Sheets[sheetName]['!merges'];
                if (temp && temp.length > 0) {
                    spreadsheet.mergeCells = [];
                    for (var i = 0; i < temp.length; i++) {
                        var x1 = temp[i].s.c;
                        var y1 = temp[i].s.r;
                        var x2 = temp[i].e.c;
                        var y2 = temp[i].e.r;
                        var key = jexcel.getColumnNameFromId([x1,y1]);
                        spreadsheet.mergeCells[key] = [ x2-x1+1, y2-y1+1 ];
                    }
                }
                // Data container
                var max_x = 0;
                var max_y = 0;
                var temp = Object.keys(workbook.Sheets[sheetName]);
                for (var i = 0; i < temp.length; i++) {
                    if (temp[i].substr(0,1) != '!') {
                        var cell = workbook.Sheets[sheetName][temp[i]];
                        var info = jexcel.getIdFromColumnName(temp[i], true);
                        if (! spreadsheet.data[info[1]]) {
                            spreadsheet.data[info[1]] = [];
                        }
                        spreadsheet.data[info[1]][info[0]] = cell.f ? '=' + cell.f : cell.w;
                        if (max_x < info[0]) {
                            max_x = info[0];
                        }
                        if (max_y < info[1]) {
                            max_y = info[1];
                        }
                        // Style
                        if (cell.style && Object.keys(cell.style).length > 0) {
                            spreadsheet.style[temp[i]] = cell.style;
                        }
                        if (cell.s && cell.s.fgColor) {
                            if (spreadsheet.style[temp[i]]) {
                                spreadsheet.style[temp[i]] += ';';
                            }
                            spreadsheet.style[temp[i]] += 'background-color:#' + cell.s.fgColor.rgb;
                        }
                    }
                }
                var numColumns = spreadsheet.columns;
                for (var j = 0; j <= max_y; j++) {
                    for (var i = 0; i <= max_x; i++) {
                        if (! spreadsheet.data[j]) {
                            spreadsheet.data[j] = [];
                        }
                        if (! spreadsheet.data[j][i]) {
                            if (numColumns < i) {
                                spreadsheet.data[j][i] = '';
                            }
                        }
                    }
                }
                spreadsheets.push(spreadsheet);
            });
    
            return spreadsheets;
        }
    
        var oReq;
        oReq = new XMLHttpRequest();
        oReq.open("GET", file, true);
    
        if(typeof Uint8Array !== 'undefined') {
            oReq.responseType = "arraybuffer";
            oReq.onload = function(e) {
                var arraybuffer = oReq.response;
                var data = new Uint8Array(arraybuffer);
                var wb = XLSX.read(data, {type:"array", cellFormula:true, cellStyles:true });
                __callback(convert(wb))
            };
        } else {
            oReq.setRequestHeader("Accept-Charset", "x-user-defined");  
            oReq.onreadystatechange = function() { if(oReq.readyState == 4 && oReq.status == 200) {
                var ff = convertResponseBodyToText(oReq.responseBody);
                var wb = XLSX.read(ff, {type:"binary", cellFormula:true, cellStyles:true });
                __callback(convert(wb))
            }};
        }
    
        oReq.send();
    }
    
    /**
     * Valid international letter
     */
    
    jexcel.validLetter = function (text) {
        var regex = /([\u0041-\u005A\u0061-\u007A\u00AA\u00B5\u00BA\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0370-\u0374\u0376\u0377\u037A-\u037D\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5\u03F7-\u0481\u048A-\u0527\u0531-\u0556\u0559\u0561-\u0587\u05D0-\u05EA\u05F0-\u05F2\u0620-\u064A\u066E\u066F\u0671-\u06D3\u06D5\u06E5\u06E6\u06EE\u06EF\u06FA-\u06FC\u06FF\u0710\u0712-\u072F\u074D-\u07A5\u07B1\u07CA-\u07EA\u07F4\u07F5\u07FA\u0800-\u0815\u081A\u0824\u0828\u0840-\u0858\u08A0\u08A2-\u08AC\u0904-\u0939\u093D\u0950\u0958-\u0961\u0971-\u0977\u0979-\u097F\u0985-\u098C\u098F\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BD\u09CE\u09DC\u09DD\u09DF-\u09E1\u09F0\u09F1\u0A05-\u0A0A\u0A0F\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32\u0A33\u0A35\u0A36\u0A38\u0A39\u0A59-\u0A5C\u0A5E\u0A72-\u0A74\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2\u0AB3\u0AB5-\u0AB9\u0ABD\u0AD0\u0AE0\u0AE1\u0B05-\u0B0C\u0B0F\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32\u0B33\u0B35-\u0B39\u0B3D\u0B5C\u0B5D\u0B5F-\u0B61\u0B71\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99\u0B9A\u0B9C\u0B9E\u0B9F\u0BA3\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BD0\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C33\u0C35-\u0C39\u0C3D\u0C58\u0C59\u0C60\u0C61\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBD\u0CDE\u0CE0\u0CE1\u0CF1\u0CF2\u0D05-\u0D0C\u0D0E-\u0D10\u0D12-\u0D3A\u0D3D\u0D4E\u0D60\u0D61\u0D7A-\u0D7F\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0E01-\u0E30\u0E32\u0E33\u0E40-\u0E46\u0E81\u0E82\u0E84\u0E87\u0E88\u0E8A\u0E8D\u0E94-\u0E97\u0E99-\u0E9F\u0EA1-\u0EA3\u0EA5\u0EA7\u0EAA\u0EAB\u0EAD-\u0EB0\u0EB2\u0EB3\u0EBD\u0EC0-\u0EC4\u0EC6\u0EDC-\u0EDF\u0F00\u0F40-\u0F47\u0F49-\u0F6C\u0F88-\u0F8C\u1000-\u102A\u103F\u1050-\u1055\u105A-\u105D\u1061\u1065\u1066\u106E-\u1070\u1075-\u1081\u108E\u10A0-\u10C5\u10C7\u10CD\u10D0-\u10FA\u10FC-\u1248\u124A-\u124D\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310\u1312-\u1315\u1318-\u135A\u1380-\u138F\u13A0-\u13F4\u1401-\u166C\u166F-\u167F\u1681-\u169A\u16A0-\u16EA\u1700-\u170C\u170E-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176C\u176E-\u1770\u1780-\u17B3\u17D7\u17DC\u1820-\u1877\u1880-\u18A8\u18AA\u18B0-\u18F5\u1900-\u191C\u1950-\u196D\u1970-\u1974\u1980-\u19AB\u19C1-\u19C7\u1A00-\u1A16\u1A20-\u1A54\u1AA7\u1B05-\u1B33\u1B45-\u1B4B\u1B83-\u1BA0\u1BAE\u1BAF\u1BBA-\u1BE5\u1C00-\u1C23\u1C4D-\u1C4F\u1C5A-\u1C7D\u1CE9-\u1CEC\u1CEE-\u1CF1\u1CF5\u1CF6\u1D00-\u1DBF\u1E00-\u1F15\u1F18-\u1F1D\u1F20-\u1F45\u1F48-\u1F4D\u1F50-\u1F57\u1F59\u1F5B\u1F5D\u1F5F-\u1F7D\u1F80-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD0-\u1FD3\u1FD6-\u1FDB\u1FE0-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u2071\u207F\u2090-\u209C\u2102\u2107\u210A-\u2113\u2115\u2119-\u211D\u2124\u2126\u2128\u212A-\u212D\u212F-\u2139\u213C-\u213F\u2145-\u2149\u214E\u2183\u2184\u2C00-\u2C2E\u2C30-\u2C5E\u2C60-\u2CE4\u2CEB-\u2CEE\u2CF2\u2CF3\u2D00-\u2D25\u2D27\u2D2D\u2D30-\u2D67\u2D6F\u2D80-\u2D96\u2DA0-\u2DA6\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u2E2F\u3005\u3006\u3031-\u3035\u303B\u303C\u3041-\u3096\u309D-\u309F\u30A1-\u30FA\u30FC-\u30FF\u3105-\u312D\u3131-\u318E\u31A0-\u31BA\u31F0-\u31FF\u3400-\u4DB5\u4E00-\u9FCC\uA000-\uA48C\uA4D0-\uA4FD\uA500-\uA60C\uA610-\uA61F\uA62A\uA62B\uA640-\uA66E\uA67F-\uA697\uA6A0-\uA6E5\uA717-\uA71F\uA722-\uA788\uA78B-\uA78E\uA790-\uA793\uA7A0-\uA7AA\uA7F8-\uA801\uA803-\uA805\uA807-\uA80A\uA80C-\uA822\uA840-\uA873\uA882-\uA8B3\uA8F2-\uA8F7\uA8FB\uA90A-\uA925\uA930-\uA946\uA960-\uA97C\uA984-\uA9B2\uA9CF\uAA00-\uAA28\uAA40-\uAA42\uAA44-\uAA4B\uAA60-\uAA76\uAA7A\uAA80-\uAAAF\uAAB1\uAAB5\uAAB6\uAAB9-\uAABD\uAAC0\uAAC2\uAADB-\uAADD\uAAE0-\uAAEA\uAAF2-\uAAF4\uAB01-\uAB06\uAB09-\uAB0E\uAB11-\uAB16\uAB20-\uAB26\uAB28-\uAB2E\uABC0-\uABE2\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFA6D\uFA70-\uFAD9\uFB00-\uFB06\uFB13-\uFB17\uFB1D\uFB1F-\uFB28\uFB2A-\uFB36\uFB38-\uFB3C\uFB3E\uFB40\uFB41\uFB43\uFB44\uFB46-\uFBB1\uFBD3-\uFD3D\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDFB\uFE70-\uFE74\uFE76-\uFEFC\uFF21-\uFF3A\uFF41-\uFF5A\uFF66-\uFFBE\uFFC2-\uFFC7\uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC-\u0400-\u04FF']+)/g;
        return text.match(regex) ? 1 : 0;
    }
    
    /**
     * Helper injectArray
     */
    jexcel.injectArray = function(o, idx, arr) {
        return o.slice(0, idx).concat(arr).concat(o.slice(idx));
    }
    
    /**
     * Get letter based on a number
     * 
     * @param integer i
     * @return string letter
     */
    jexcel.getColumnName = function(i) {
        var letter = '';
        if (i > 701) {
            letter += String.fromCharCode(64 + parseInt(i / 676));
            letter += String.fromCharCode(64 + parseInt((i % 676) / 26));
        } else if (i > 25) {
            letter += String.fromCharCode(64 + parseInt(i / 26));
        }
        letter += String.fromCharCode(65 + (i % 26));
    
        return letter;
    }
    
    /**
     * Convert excel like column to jexcel id
     * 
     * @param string id
     * @return string id
     */
    jexcel.getIdFromColumnName = function (id, arr) {
        // Get the letters
        var t = /^[a-zA-Z]+/.exec(id);
    
        if (t) {
            // Base 26 calculation
            var code = 0;
            for (var i = 0; i < t[0].length; i++) {
                code += parseInt(t[0].charCodeAt(i) - 64) * Math.pow(26, (t[0].length - 1 - i));
            }
            code--;
            // Make sure jexcel starts on zero
            if (code < 0) {
                code = 0;
            }
    
            // Number
            var number = parseInt(/[0-9]+$/.exec(id));
            if (number > 0) {
                number--;
            }
    
            if (arr == true) {
                id = [ code, number ];
            } else {
                id = code + '-' + number;
            }
        }
    
        return id;
    }
    
    /**
     * Convert jexcel id to excel like column name
     * 
     * @param string id
     * @return string id
     */
    jexcel.getColumnNameFromId = function (cellId) {
        if (! Array.isArray(cellId)) {
            cellId = cellId.split('-');
        }
    
        return jexcel.getColumnName(parseInt(cellId[0])) + (parseInt(cellId[1]) + 1);
    }
    
    /**
     * Verify element inside jexcel table
     * 
     * @param string id
     * @return string id
     */
    jexcel.getElement = function(element) {
        var jexcelSection = 0;
        var jexcelElement = 0;
    
        function path (element) {
            if (element.className) {
                if (element.classList.contains('jexcel_container')) {
                    jexcelElement = element;
                }
            }
    
            if (element.tagName == 'THEAD') {
                jexcelSection = 1;
            } else if (element.tagName == 'TBODY') {
                jexcelSection = 2;
            }
    
            if (element.parentNode) {
                if (! jexcelElement) {
                    path(element.parentNode);
                }
            }
        }
    
        path(element);
    
        return [ jexcelElement, jexcelSection ];
    }

    jexcel.doubleDigitFormat = function(v) {
        v = ''+v;
        if (v.length == 1) {
            v = '0'+v;
        }
        return v;
    }

    jexcel.createFromTable = function(el, options) {
        if (el.tagName != 'TABLE') {
            console.log('Element is not a table');
        } else {
            // Configuration
            if (! options) {
                options = {};
            }
            options.columns = [];
            options.data = [];

            // Colgroup
            var colgroup = el.querySelectorAll('colgroup > col');
            if (colgroup.length) {
                // Get column width
                for (var i = 0; i < colgroup.length; i++) {
                    var width = colgroup[i].style.width;
                    if (! width) {
                        var width = colgroup[i].getAttribute('width');
                    }
                    // Set column width
                    if (width) {
                        if (! options.columns[i]) {
                            options.columns[i] = {}
                        }
                        options.columns[i].width = width;
                    }
                }
            }

            // Parse header
            var parseHeader = function(header) {
                // Get width information
                var info = header.getBoundingClientRect();
                var width = info.width > 50 ? info.width : 50;

                // Create column option
                if (! options.columns[i]) {
                    options.columns[i] = {};
                } 
                if (header.getAttribute('data-celltype')) {
                    options.columns[i].type = header.getAttribute('data-celltype');
                } else {
                    options.columns[i].type = 'text';
                }
                options.columns[i].width = width + 'px';
                options.columns[i].title = header.innerHTML;
                options.columns[i].align = header.style.textAlign || 'center';
            }

            // Headers
            var headers = el.querySelectorAll('thead > tr');
            if (headers.length) {
                // Get the last row in the thead
                headers = headers[headers.length-1].children;
                // Go though the headers
                for (var i = 0; i < headers.length; i++) {
                    parseHeader(headers[i]);
                }
            }

            // Content
            var rowNumber = 0;
            var mergeCells = {};
            var rows = {};
            var style = {};

            var content = el.querySelectorAll('table > tr, tbody tr');
            for (var j = 0; j < content.length; j++) {
                options.data[rowNumber] = [];
                if (options.parseTableFirstRowAsHeader == true && j == 0) {
                    for (var i = 0; i < content[j].children.length; i++) {
                        parseHeader(content[j].children[i]);
                    }
                } else {
                    for (var i = 0; i < content[j].children.length; i++) {
                        // WickedGrid formula compatibility
                        var value = content[j].children[i].getAttribute('data-formula');
                        if (value) {
                            if (value.substr(0,1) != '=') {
                                value = '=' + value;
                            }
                        } else {
                            var value = content[j].children[i].innerHTML;
                        }
                        options.data[rowNumber].push(value);

                        // Key
                        var cellName = jexcel.getColumnNameFromId([ i, j ]);

                        // Merged cells
                        var mergedColspan = parseInt(content[j].children[i].getAttribute('colspan')) || 0;
                        var mergedRowspan = parseInt(content[j].children[i].getAttribute('rowspan')) || 0;
                        if (mergedColspan || mergedRowspan) {
                            mergeCells[cellName] = [ mergedColspan || 1, mergedRowspan || 1 ];
                        }

                        // Avoid problems with hidden cells
                        if (s = content[j].children[i].style && content[j].children[i].style.display == 'none') {
                            content[j].children[i].style.display = '';
                        }
                        // Get style
                        var s = content[j].children[i].getAttribute('style');
                        if (s) {
                            style[cellName] = s;
                        }
                        // Bold
                        if (content[j].children[i].classList.contains('styleBold')) {
                            if (style[cellName]) {
                                style[cellName] += '; font-weight:bold;';
                            } else {
                                style[cellName] = 'font-weight:bold;';
                            }
                        }
                    }

                    // Row Height
                    if (content[j].style && content[j].style.height) {
                        rows[j] = { height: content[j].style.height };
                    }

                    // Index
                    rowNumber++;
                }
            }

            // Style
            if (Object.keys(style).length > 0) {
                //options.style = style;
            }
            // Merged
            if (Object.keys(mergeCells).length > 0) {
                options.mergeCells = mergeCells;
            }
            // Row height
            if (Object.keys(rows).length > 0) {
                options.rows = rows;
            }

            // TODO: data-hiddencolumns="3,4"
            
            // I guess in terms the better column type
            if (options.parseTableAutoCellType == true) {
                var pattern = [];
                for (var i = 0; i < options.columns.length; i++) {
                    var test = true;
                    var testCalendar = true;
                    pattern[i] = [];
                    for (var j = 0; j < options.data.length; j++) {
                        var value = options.data[j][i];
                        if (! pattern[i][value]) {
                            pattern[i][value] = 0;
                        }
                        pattern[i][value]++;
                        if (value.length > 25) {
                            test = false;
                        }
                        if (value.length == 10) {
                            if (! (value.substr(4,1) == '-' && value.substr(7,1) == '-')) {
                                testCalendar = false;
                            }
                        } else {
                            testCalendar = false;
                        }
                    }

                    var keys = Object.keys(pattern[i]).length;
                    if (testCalendar) {
                        options.columns[i].type = 'calendar';
                    } else if (test == true && keys > 1 && keys <= parseInt(options.data.length * 0.1)) {
                        options.columns[i].type = 'dropdown';
                        options.columns[i].source = Object.keys(pattern[i]);
                    }
                }
            }

            return options;
        }
    }

    /**
     * Jquery Support
     */
    if (typeof(jQuery) != 'undefined') {
        (function($){
            $.fn.jexcel = function(method) {
                var spreadsheetContainer = $(this).get(0);
                if (! spreadsheetContainer.jexcel) {
                    return jexcel($(this).get(0), arguments[0]);
                } else {
                    return spreadsheetContainer.jexcel[method].apply(this, Array.prototype.slice.call( arguments, 1 ));
                }
            };
    
        })(jQuery);
    }
    
    
    // Based on sutoiku work (https://github.com/sutoiku)
    
    var error = (function() {
        var exports = {};
    
        exports.nil = new Error('#NULL!');
        exports.div0 = new Error('#DIV/0!');
        exports.value = new Error('#VALUE!');
        exports.ref = new Error('#REF!');
        exports.name = new Error('#NAME?');
        exports.num = new Error('#NUM!');
        exports.na = new Error('#N/A');
        exports.error = new Error('#ERROR!');
        exports.data = new Error('#GETTING_DATA');
    
        return exports;
    })();
    
    var utils = (function() {
        var exports = {};
    
        exports.flattenShallow = function(array) {
            if (!array || !array.reduce) {
                return array;
            }
    
            return array.reduce(function(a, b) {
                var aIsArray = Array.isArray(a);
                var bIsArray = Array.isArray(b);
    
                if (aIsArray && bIsArray) {
                    return a.concat(b);
                }
                if (aIsArray) {
                    a.push(b);
    
                    return a;
                }
                if (bIsArray) {
                    return [ a ].concat(b);
                }
    
                return [ a, b ];
            });
        };
    
        exports.isFlat = function(array) {
            if (!array) {
                return false;
            }
    
            for (var i = 0; i < array.length; ++i) {
                if (Array.isArray(array[i])) {
                    return false;
                }
            }
    
            return true;
        };
    
        exports.flatten = function() {
            var result = exports.argsToArray.apply(null, arguments);
    
            while (!exports.isFlat(result)) {
                result = exports.flattenShallow(result);
            }
    
            return result;
        };
    
        exports.argsToArray = function(args) {
            var result = [];
    
            exports.arrayEach(args, function(value) {
                result.push(value);
            });
    
            return result;
        };
    
        exports.numbers = function() {
            var possibleNumbers = this.flatten.apply(null, arguments);
            return possibleNumbers.filter(function(el) {
                return typeof el === 'number';
            });
        };
    
        exports.cleanFloat = function(number) {
            var power = 1e14;
            return Math.round(number * power) / power;
        };
    
        exports.parseBool = function(bool) {
            if (typeof bool === 'boolean') {
                return bool;
            }
    
            if (bool instanceof Error) {
                return bool;
            }
    
            if (typeof bool === 'number') {
                return bool !== 0;
            }
    
            if (typeof bool === 'string') {
                var up = bool.toUpperCase();
                if (up === 'TRUE') {
                    return true;
                }
    
                if (up === 'FALSE') {
                    return false;
                }
            }
    
            if (bool instanceof Date && !isNaN(bool)) {
                return true;
            }
    
            return error.value;
        };
    
        exports.parseNumber = function(string) {
            if (string === undefined || string === '') {
                return error.value;
            }
            if (!isNaN(string)) {
                return parseFloat(string);
            }
    
            return error.value;
        };
    
        exports.parseNumberArray = function(arr) {
            var len;
    
            if (!arr || (len = arr.length) === 0) {
                return error.value;
            }
    
            var parsed;
    
            while (len--) {
                parsed = exports.parseNumber(arr[len]);
                if (parsed === error.value) {
                    return parsed;
                }
                arr[len] = parsed;
            }
    
            return arr;
        };
    
        exports.parseMatrix = function(matrix) {
            var n;
    
            if (!matrix || (n = matrix.length) === 0) {
                return error.value;
            }
            var pnarr;
    
            for (var i = 0; i < matrix.length; i++) {
                pnarr = exports.parseNumberArray(matrix[i]);
                matrix[i] = pnarr;
    
                if (pnarr instanceof Error) {
                    return pnarr;
                }
            }
    
            return matrix;
        };
    
        var d1900 = new Date(Date.UTC(1900, 0, 1));
        exports.parseDate = function(date) {
            if (!isNaN(date)) {
                if (date instanceof Date) {
                    return new Date(date);
                }
                var d = parseInt(date, 10);
                if (d < 0) {
                    return error.num;
                }
                if (d <= 60) {
                    return new Date(d1900.getTime() + (d - 1) * 86400000);
                }
                return new Date(d1900.getTime() + (d - 2) * 86400000);
            }
            if (typeof date === 'string') {
                date = new Date(date);
                if (!isNaN(date)) {
                    return date;
                }
            }
            return error.value;
        };
    
        exports.parseDateArray = function(arr) {
            var len = arr.length;
            var parsed;
            while (len--) {
                parsed = this.parseDate(arr[len]);
                if (parsed === error.value) {
                    return parsed;
                }
                arr[len] = parsed;
            }
            return arr;
        };
    
        exports.anyIsError = function() {
            var n = arguments.length;
            while (n--) {
                if (arguments[n] instanceof Error) {
                    return true;
                }
            }
            return false;
        };
    
        exports.arrayValuesToNumbers = function(arr) {
            var n = arr.length;
            var el;
            while (n--) {
                el = arr[n];
                if (typeof el === 'number') {
                    continue;
                }
                if (el === true) {
                    arr[n] = 1;
                    continue;
                }
                if (el === false) {
                    arr[n] = 0;
                    continue;
                }
                if (typeof el === 'string') {
                    var number = this.parseNumber(el);
                    if (number instanceof Error) {
                        arr[n] = 0;
                    } else {
                        arr[n] = number;
                    }
                }
            }
            return arr;
        };
    
        exports.rest = function(array, idx) {
            idx = idx || 1;
            if (!array || typeof array.slice !== 'function') {
                return array;
            }
            return array.slice(idx);
        };
    
        exports.initial = function(array, idx) {
            idx = idx || 1;
            if (!array || typeof array.slice !== 'function') {
                return array;
            }
            return array.slice(0, array.length - idx);
        };
    
        exports.arrayEach = function(array, iteratee) {
            var index = -1, length = array.length;
    
            while (++index < length) {
                if (iteratee(array[index], index, array) === false) {
                    break;
                }
            }
    
            return array;
        };
    
        exports.transpose = function(matrix) {
            if (!matrix) {
                return error.value;
            }
    
            return matrix[0].map(function(col, i) {
                return matrix.map(function(row) {
                    return row[i];
                });
            });
        };
    
        return exports;
    })();
    
    jexcel.methods = {};
    
    jexcel.methods.datetime = (function() {
        var exports = {};
    
        var d1900 = new Date(1900, 0, 1);
        var WEEK_STARTS = [
            undefined,
            0,
            1,
            undefined,
            undefined,
            undefined,
            undefined,
            undefined,
            undefined,
            undefined,
            undefined,
            undefined,
            1,
            2,
            3,
            4,
            5,
            6,
            0
        ];
        var WEEK_TYPES = [
            [],
            [1, 2, 3, 4, 5, 6, 7],
            [7, 1, 2, 3, 4, 5, 6],
            [6, 0, 1, 2, 3, 4, 5],
            [],
            [],
            [],
            [],
            [],
            [],
            [],
            [7, 1, 2, 3, 4, 5, 6],
            [6, 7, 1, 2, 3, 4, 5],
            [5, 6, 7, 1, 2, 3, 4],
            [4, 5, 6, 7, 1, 2, 3],
            [3, 4, 5, 6, 7, 1, 2],
            [2, 3, 4, 5, 6, 7, 1],
            [1, 2, 3, 4, 5, 6, 7]
        ];
        var WEEKEND_TYPES = [
            [],
            [6, 0],
            [0, 1],
            [1, 2],
            [2, 3],
            [3, 4],
            [4, 5],
            [5, 6],
            undefined,
            undefined,
            undefined, [0, 0],
            [1, 1],
            [2, 2],
            [3, 3],
            [4, 4],
            [5, 5],
            [6, 6]
        ];
    
        exports.DATE = function(year, month, day) {
            year = utils.parseNumber(year);
            month = utils.parseNumber(month);
            day = utils.parseNumber(day);
            if (utils.anyIsError(year, month, day)) {
                return error.value;
            }
            if (year < 0 || month < 0 || day < 0) {
                return error.num;
            }
            var date = new Date(year, month - 1, day);
            return date;
        };
    
        exports.DATEVALUE = function(date_text) {
            if (typeof date_text !== 'string') {
                return error.value;
            }
            var date = Date.parse(date_text);
            if (isNaN(date)) {
                return error.value;
            }
            if (date <= -2203891200000) {
                return (date - d1900) / 86400000 + 1;
            }
            return (date - d1900) / 86400000 + 2;
        };
    
        exports.DAY = function(serial_number) {
            var date = utils.parseDate(serial_number);
            if (date instanceof Error) {
                return date;
            }
            return date.getDate();
        };
    
        exports.DAYS = function(end_date, start_date) {
            end_date = utils.parseDate(end_date);
            start_date = utils.parseDate(start_date);
            if (end_date instanceof Error) {
                return end_date;
            }
            if (start_date instanceof Error) {
                return start_date;
            }
            return serial(end_date) - serial(start_date);
        };
    
        exports.DAYS360 = function(start_date, end_date, method) {
        };
    
        exports.EDATE = function(start_date, months) {
            start_date = utils.parseDate(start_date);
            if (start_date instanceof Error) {
                return start_date;
            }
            if (isNaN(months)) {
                return error.value;
            }
            months = parseInt(months, 10);
            start_date.setMonth(start_date.getMonth() + months);
            return serial(start_date);
        };
    
        exports.EOMONTH = function(start_date, months) {
            start_date = utils.parseDate(start_date);
            if (start_date instanceof Error) {
                return start_date;
            }
            if (isNaN(months)) {
                return error.value;
            }
            months = parseInt(months, 10);
            return serial(new Date(start_date.getFullYear(), start_date.getMonth() + months + 1, 0));
        };
    
        exports.HOUR = function(serial_number) {
            serial_number = utils.parseDate(serial_number);
            if (serial_number instanceof Error) {
                return serial_number;
            }
            return serial_number.getHours();
        };
    
        exports.INTERVAL = function(second) {
            if (typeof second !== 'number' && typeof second !== 'string') {
                return error.value;
            } else {
                second = parseInt(second, 10);
            }
    
            var year  = Math.floor(second/946080000);
            second    = second%946080000;
            var month = Math.floor(second/2592000);
            second    = second%2592000;
            var day   = Math.floor(second/86400);
            second    = second%86400;
    
            var hour  = Math.floor(second/3600);
            second    = second%3600;
            var min   = Math.floor(second/60);
            second    = second%60;
            var sec   = second;
    
            year  = (year  > 0) ? year  + 'Y' : '';
            month = (month > 0) ? month + 'M' : '';
            day   = (day   > 0) ? day   + 'D' : '';
            hour  = (hour  > 0) ? hour  + 'H' : '';
            min   = (min   > 0) ? min   + 'M' : '';
            sec   = (sec   > 0) ? sec   + 'S' : '';
    
            return 'P' + year + month + day + 'T' + hour + min + sec;
        };
    
        exports.ISOWEEKNUM = function(date) {
            date = utils.parseDate(date);
            if (date instanceof Error) {
                return date;
            }
    
            date.setHours(0, 0, 0);
            date.setDate(date.getDate() + 4 - (date.getDay() || 7));
            var yearStart = new Date(date.getFullYear(), 0, 1);
            return Math.ceil((((date - yearStart) / 86400000) + 1) / 7);
        };
    
        exports.MINUTE = function(serial_number) {
            serial_number = utils.parseDate(serial_number);
            if (serial_number instanceof Error) {
                return serial_number;
            }
            return serial_number.getMinutes();
        };
    
        exports.MONTH = function(serial_number) {
            serial_number = utils.parseDate(serial_number);
            if (serial_number instanceof Error) {
                return serial_number;
            }
            return serial_number.getMonth() + 1;
        };
    
        exports.NETWORKDAYS = function(start_date, end_date, holidays) {
        };
    
        exports.NETWORKDAYS.INTL = function(start_date, end_date, weekend, holidays) {
        };
    
        exports.NOW = function() {
            return new Date();
        };
    
        exports.SECOND = function(serial_number) {
            serial_number = utils.parseDate(serial_number);
            if (serial_number instanceof Error) {
                return serial_number;
            }
            return serial_number.getSeconds();
        };
    
        exports.TIME = function(hour, minute, second) {
            hour = utils.parseNumber(hour);
            minute = utils.parseNumber(minute);
            second = utils.parseNumber(second);
            if (utils.anyIsError(hour, minute, second)) {
                return error.value;
            }
            if (hour < 0 || minute < 0 || second < 0) {
                return error.num;
            }
            return (3600 * hour + 60 * minute + second) / 86400;
        };
    
        exports.TIMEVALUE = function(time_text) {
            time_text = utils.parseDate(time_text);
            if (time_text instanceof Error) {
                return time_text;
            }
            return (3600 * time_text.getHours() + 60 * time_text.getMinutes() + time_text.getSeconds()) / 86400;
        };
    
        exports.TODAY = function() {
            return new Date();
        };
    
        exports.WEEKDAY = function(serial_number, return_type) {
            serial_number = utils.parseDate(serial_number);
            if (serial_number instanceof Error) {
                return serial_number;
            }
            if (return_type === undefined) {
                return_type = 1;
            }
            var day = serial_number.getDay();
            return WEEK_TYPES[return_type][day];
        };
    
        exports.WEEKNUM = function(serial_number, return_type) {
        };
    
        exports.WORKDAY = function(start_date, days, holidays) {
        };
    
        exports.WORKDAY.INTL = function(start_date, days, weekend, holidays) {
        };
    
        exports.YEAR = function(serial_number) {
            serial_number = utils.parseDate(serial_number);
            if (serial_number instanceof Error) {
                return serial_number;
            }
            return serial_number.getFullYear();
        };
    
        function isLeapYear(year) {
            return new Date(year, 1, 29).getMonth() === 1;
        }
    
        exports.YEARFRAC = function(start_date, end_date, basis) {
        };
    
        function serial(date) {
            var addOn = (date > -2203891200000)?2:1;
            return (date - d1900) / 86400000 + addOn;
        }
    
        return exports;
    })();
    
    jexcel.methods.database = (function() {
        var exports = {};
    
        function compact(array) {
            if (!array) {
                return array;
            }
            var result = [];
            for (var i = 0; i < array.length; ++i) {
                if (!array[i]) {
                    continue;
                }
                result.push(array[i]);
            }
            return result;
        }
    
        exports.FINDFIELD = function(database, title) {
            var index = null;
            for (var i = 0; i < database.length; i++) {
                if (database[i][0] === title) {
                    index = i;
                    break;
                }
            }
    
            // Return error if the input field title is incorrect
            if (index == null) {
                return error.value;
            }
            return index;
        };
    
        function findResultIndex(database, criterias) {
            var matches = {};
            for (var i = 1; i < database[0].length; ++i) {
                matches[i] = true;
            }
            var maxCriteriaLength = criterias[0].length;
            for (i = 1; i < criterias.length; ++i) {
                if (criterias[i].length > maxCriteriaLength) {
                    maxCriteriaLength = criterias[i].length;
                }
            }
    
            for (var k = 1; k < database.length; ++k) {
                for (var l = 1; l < database[k].length; ++l) {
                    var currentCriteriaResult = false;
                    var hasMatchingCriteria = false;
                    for (var j = 0; j < criterias.length; ++j) {
                        var criteria = criterias[j];
                        if (criteria.length < maxCriteriaLength) {
                            continue;
                        }
    
                        var criteriaField = criteria[0];
                        if (database[k][0] !== criteriaField) {
                            continue;
                        }
                        hasMatchingCriteria = true;
                        for (var p = 1; p < criteria.length; ++p) {
                            currentCriteriaResult = currentCriteriaResult
                                    || eval(database[k][l] + criteria[p]); // jshint
                                                                            // ignore:line
                        }
                    }
                    if (hasMatchingCriteria) {
                        matches[l] = matches[l] && currentCriteriaResult;
                    }
                }
            }
    
            var result = [];
            for (var n = 0; n < database[0].length; ++n) {
                if (matches[n]) {
                    result.push(n - 1);
                }
            }
            return result;
        }
    
        // Database functions
        exports.DAVERAGE = function(database, field, criteria) {
            // Return error if field is not a number and not a string
            if (isNaN(field) && (typeof field !== "string")) {
                return error.value;
            }
            var resultIndexes = findResultIndex(database, criteria);
            var targetFields = [];
            if (typeof field === "string") {
                var index = exports.FINDFIELD(database, field);
                targetFields = utils.rest(database[index]);
            } else {
                targetFields = utils.rest(database[field]);
            }
            var sum = 0;
            for (var i = 0; i < resultIndexes.length; i++) {
                sum += targetFields[resultIndexes[i]];
            }
            return resultIndexes.length === 0 ? error.div0 : sum / resultIndexes.length;
        };
    
        exports.DCOUNT = function(database, field, criteria) {
        };
    
        exports.DCOUNTA = function(database, field, criteria) {
        };
    
        exports.DGET = function(database, field, criteria) {
            // Return error if field is not a number and not a string
            if (isNaN(field) && (typeof field !== "string")) {
                return error.value;
            }
            var resultIndexes = findResultIndex(database, criteria);
            var targetFields = [];
            if (typeof field === "string") {
                var index = exports.FINDFIELD(database, field);
                targetFields = utils.rest(database[index]);
            } else {
                targetFields = utils.rest(database[field]);
            }
            // Return error if no record meets the criteria
            if (resultIndexes.length === 0) {
                return error.value;
            }
            // Returns the #NUM! error value because more than one record meets the
            // criteria
            if (resultIndexes.length > 1) {
                return error.num;
            }
    
            return targetFields[resultIndexes[0]];
        };
    
        exports.DMAX = function(database, field, criteria) {
            // Return error if field is not a number and not a string
            if (isNaN(field) && (typeof field !== "string")) {
                return error.value;
            }
            var resultIndexes = findResultIndex(database, criteria);
            var targetFields = [];
            if (typeof field === "string") {
                var index = exports.FINDFIELD(database, field);
                targetFields = utils.rest(database[index]);
            } else {
                targetFields = utils.rest(database[field]);
            }
            var maxValue = targetFields[resultIndexes[0]];
            for (var i = 1; i < resultIndexes.length; i++) {
                if (maxValue < targetFields[resultIndexes[i]]) {
                    maxValue = targetFields[resultIndexes[i]];
                }
            }
            return maxValue;
        };
    
        exports.DMIN = function(database, field, criteria) {
            // Return error if field is not a number and not a string
            if (isNaN(field) && (typeof field !== "string")) {
                return error.value;
            }
            var resultIndexes = findResultIndex(database, criteria);
            var targetFields = [];
            if (typeof field === "string") {
                var index = exports.FINDFIELD(database, field);
                targetFields = utils.rest(database[index]);
            } else {
                targetFields = utils.rest(database[field]);
            }
            var minValue = targetFields[resultIndexes[0]];
            for (var i = 1; i < resultIndexes.length; i++) {
                if (minValue > targetFields[resultIndexes[i]]) {
                    minValue = targetFields[resultIndexes[i]];
                }
            }
            return minValue;
        };
    
        exports.DPRODUCT = function(database, field, criteria) {
            // Return error if field is not a number and not a string
            if (isNaN(field) && (typeof field !== "string")) {
                return error.value;
            }
            var resultIndexes = findResultIndex(database, criteria);
            var targetFields = [];
            if (typeof field === "string") {
                var index = exports.FINDFIELD(database, field);
                targetFields = utils.rest(database[index]);
            } else {
                targetFields = utils.rest(database[field]);
            }
            var targetValues = [];
            for (var i = 0; i < resultIndexes.length; i++) {
                targetValues[i] = targetFields[resultIndexes[i]];
            }
            targetValues = compact(targetValues);
            var result = 1;
            for (i = 0; i < targetValues.length; i++) {
                result *= targetValues[i];
            }
            return result;
        };
    
        exports.DSTDEV = function(database, field, criteria) {
        };
    
        exports.DSTDEVP = function(database, field, criteria) {
        };
    
        exports.DSUM = function(database, field, criteria) {
        };
    
        exports.DVAR = function(database, field, criteria) {
        };
    
        exports.DVARP = function(database, field, criteria) {
        };
    
        exports.MATCH = function(lookupValue, lookupArray, matchType) {
            if (!lookupValue && !lookupArray) {
                return error.na;
            }
            if (arguments.length === 2) {
                matchType = 1;
            }
            if (!(lookupArray instanceof Array)) {
                return error.na;
            }
            if (matchType !== -1 && matchType !== 0 && matchType !== 1) {
                return error.na;
            }
    
            var index;
            var indexValue;
    
            for (var idx = 0; idx < lookupArray.length; idx++) {
                if (matchType === 1) {
                    if (lookupArray[idx] === lookupValue) {
                        return idx + 1;
                    } else if (lookupArray[idx] < lookupValue) {
                        if (!indexValue) {
                            index = idx + 1;
                            indexValue = lookupArray[idx];
                        } else if (lookupArray[idx] > indexValue) {
                            index = idx + 1;
                            indexValue = lookupArray[idx];
                        }
                    }
                } else if (matchType === 0) {
                    if (typeof lookupValue === 'string') {
                        lookupValue = lookupValue.replace(/\?/g, '.');
                        if (lookupArray[idx].toLowerCase().match(lookupValue.toLowerCase())) {
                            return idx + 1;
                        }
                    } else {
                        if (lookupArray[idx] === lookupValue) {
                            return idx + 1;
                        }
                    }
                } else if (matchType === -1) {
                    if (lookupArray[idx] === lookupValue) {
                        return idx + 1;
                    } else if (lookupArray[idx] > lookupValue) {
                        if (!indexValue) {
                            index = idx + 1;
                            indexValue = lookupArray[idx];
                        } else if (lookupArray[idx] < indexValue) {
                            index = idx + 1;
                            indexValue = lookupArray[idx];
                        }
                    }
                }
            }
    
            return index ? index : error.na;
        };
    
        return exports;
    })();
    
    jexcel.methods.engineering = (function() {
        var exports = {};
    
        function isValidBinaryNumber(number) {
            return (/^[01]{1,10}$/).test(number);
        }
    
        exports.BESSELI = function(x, n) {
        };
    
        exports.BESSELJ = function(x, n) {
        };
    
        exports.BESSELK = function(x, n) {
        };
    
        exports.BESSELY = function(x, n) {
        };
    
        exports.BIN2DEC = function(number) {
            // Return error if number is not binary or contains more than 10
            // characters (10 digits)
            if (!isValidBinaryNumber(number)) {
                return error.num;
            }
    
            // Convert binary number to decimal
            var result = parseInt(number, 2);
    
            // Handle negative numbers
            var stringified = number.toString();
            if (stringified.length === 10 && stringified.substring(0, 1) === '1') {
                return parseInt(stringified.substring(1), 2) - 512;
            } else {
                return result;
            }
        };
    
        exports.BIN2HEX = function(number, places) {
            // Return error if number is not binary or contains more than 10
            // characters (10 digits)
            if (!isValidBinaryNumber(number)) {
                return error.num;
            }
    
            // Ignore places and return a 10-character hexadecimal number if number
            // is negative
            var stringified = number.toString();
            if (stringified.length === 10 && stringified.substring(0, 1) === '1') {
                return (1099511627264 + parseInt(stringified.substring(1), 2)).toString(16);
            }
    
            // Convert binary number to hexadecimal
            var result = parseInt(number, 2).toString(16);
    
            // Return hexadecimal number using the minimum number of characters
            // necessary if places is undefined
            if (places === undefined) {
                return result;
            } else {
                // Return error if places is nonnumeric
                if (isNaN(places)) {
                  return error.value;
                }
    
                // Return error if places is negative
                if (places < 0) {
                  return error.num;
                }
    
                // Truncate places in case it is not an integer
                places = Math.floor(places);
    
                // Pad return value with leading 0s (zeros) if necessary (using
                // Underscore.string)
                return (places >= result.length) ? REPT('0', places - result.length) + result : error.num;
            }
        };
    
        exports.BIN2OCT = function(number, places) {
            // Return error if number is not binary or contains more than 10
            // characters (10 digits)
            if (!isValidBinaryNumber(number)) {
                return error.num;
            }
    
            // Ignore places and return a 10-character octal number if number is
            // negative
            var stringified = number.toString();
            if (stringified.length === 10 && stringified.substring(0, 1) === '1') {
                return (1073741312 + parseInt(stringified.substring(1), 2)).toString(8);
            }
    
            // Convert binary number to octal
            var result = parseInt(number, 2).toString(8);
    
            // Return octal number using the minimum number of characters necessary
            // if places is undefined
            if (places === undefined) {
                return result;
            } else {
                // Return error if places is nonnumeric
                if (isNaN(places)) {
                  return error.value;
                }
    
                // Return error if places is negative
                if (places < 0) {
                  return error.num;
                }
    
                // Truncate places in case it is not an integer
                places = Math.floor(places);
    
                // Pad return value with leading 0s (zeros) if necessary (using
                // Underscore.string)
                return (places >= result.length) ? REPT('0', places - result.length) + result : error.num;
            }
        };
    
        exports.BITAND = function(number1, number2) {
            // Return error if either number is a non-numeric value
            number1 = utils.parseNumber(number1);
            number2 = utils.parseNumber(number2);
            if (utils.anyIsError(number1, number2)) {
                return error.value;
            }
    
            // Return error if either number is less than 0
            if (number1 < 0 || number2 < 0) {
                return error.num;
            }
    
            // Return error if either number is a non-integer
            if (Math.floor(number1) !== number1 || Math.floor(number2) !== number2) {
                return error.num;
            }
    
            // Return error if either number is greater than (2^48)-1
            if (number1 > 281474976710655 || number2 > 281474976710655) {
                return error.num;
            }
    
            // Return bitwise AND of two numbers
            return number1 & number2;
        };
    
        exports.BITLSHIFT = function(number, shift) {
            number = utils.parseNumber(number);
            shift = utils.parseNumber(shift);
            if (utils.anyIsError(number, shift)) {
                return error.value;
            }
    
            // Return error if number is less than 0
            if (number < 0) {
                return error.num;
            }
    
            // Return error if number is a non-integer
            if (Math.floor(number) !== number) {
                return error.num;
            }
    
            // Return error if number is greater than (2^48)-1
            if (number > 281474976710655) {
                return error.num;
            }
    
            // Return error if the absolute value of shift is greater than 53
            if (Math.abs(shift) > 53) {
                return error.num;
            }
    
            // Return number shifted by shift bits to the left or to the right if
            // shift is negative
            return (shift >= 0) ? number << shift : number >> -shift;
        };
    
        exports.BITOR = function(number1, number2) {
            number1 = utils.parseNumber(number1);
            number2 = utils.parseNumber(number2);
            if (utils.anyIsError(number1, number2)) {
                return error.value;
            }
    
            // Return error if either number is less than 0
            if (number1 < 0 || number2 < 0) {
                return error.num;
            }
    
            // Return error if either number is a non-integer
            if (Math.floor(number1) !== number1 || Math.floor(number2) !== number2) {
                return error.num;
            }
    
            // Return error if either number is greater than (2^48)-1
            if (number1 > 281474976710655 || number2 > 281474976710655) {
                return error.num;
            }
    
            // Return bitwise OR of two numbers
            return number1 | number2;
        };
    
        exports.BITRSHIFT = function(number, shift) {
            number = utils.parseNumber(number);
            shift = utils.parseNumber(shift);
            if (utils.anyIsError(number, shift)) {
                return error.value;
            }
    
            // Return error if number is less than 0
            if (number < 0) {
                return error.num;
            }
    
            // Return error if number is a non-integer
            if (Math.floor(number) !== number) {
                return error.num;
            }
    
            // Return error if number is greater than (2^48)-1
            if (number > 281474976710655) {
                return error.num;
            }
    
            // Return error if the absolute value of shift is greater than 53
            if (Math.abs(shift) > 53) {
                return error.num;
            }
    
            // Return number shifted by shift bits to the right or to the left if
            // shift is negative
            return (shift >= 0) ? number >> shift : number << -shift;
        };
    
        exports.BITXOR = function(number1, number2) {
            number1 = utils.parseNumber(number1);
            number2 = utils.parseNumber(number2);
            if (utils.anyIsError(number1, number2)) {
                return error.value;
            }
    
            // Return error if either number is less than 0
            if (number1 < 0 || number2 < 0) {
                return error.num;
            }
    
            // Return error if either number is a non-integer
            if (Math.floor(number1) !== number1 || Math.floor(number2) !== number2) {
                return error.num;
            }
    
            // Return error if either number is greater than (2^48)-1
            if (number1 > 281474976710655 || number2 > 281474976710655) {
                return error.num;
            }
    
            // Return bitwise XOR of two numbers
            return number1 ^ number2;
        };
    
        exports.COMPLEX = function(real, imaginary, suffix) {
            real = utils.parseNumber(real);
            imaginary = utils.parseNumber(imaginary);
            if (utils.anyIsError(real, imaginary)) {
                return real;
            }
    
            // Set suffix
            suffix = (suffix === undefined) ? 'i' : suffix;
    
            // Return error if suffix is neither "i" nor "j"
            if (suffix !== 'i' && suffix !== 'j') {
                return error.value;
            }
    
            // Return complex number
            if (real === 0 && imaginary === 0) {
                return 0;
            } else if (real === 0) {
                return (imaginary === 1) ? suffix : imaginary.toString() + suffix;
            } else if (imaginary === 0) {
                return real.toString();
            } else {
                var sign = (imaginary > 0) ? '+' : '';
                return real.toString() + sign + ((imaginary === 1) ? suffix : imaginary.toString() + suffix);
            }
        };
    
        exports.CONVERT = function(number, from_unit, to_unit) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
    
            // List of units supported by CONVERT and units defined by the
            // International System of Units
            // [Name, Symbol, Alternate symbols, Quantity, ISU, CONVERT, Conversion
            // ratio]
            var units = [
                ["a.u. of action", "?", null, "action", false, false, 1.05457168181818e-34],
                ["a.u. of charge", "e", null, "electric_charge", false, false, 1.60217653141414e-19],
                ["a.u. of energy", "Eh", null, "energy", false, false, 4.35974417757576e-18],
                ["a.u. of length", "a?", null, "length", false, false, 5.29177210818182e-11],
                ["a.u. of mass", "m?", null, "mass", false, false, 9.10938261616162e-31],
                ["a.u. of time", "?/Eh", null, "time", false, false, 2.41888432650516e-17],
                ["admiralty knot", "admkn", null, "speed", false, true, 0.514773333],
                ["ampere", "A", null, "electric_current", true, false, 1],
                ["ampere per meter", "A/m", null, "magnetic_field_intensity", true, false, 1],
                ["ångström", "Å", ["ang"], "length", false, true, 1e-10],
                ["are", "ar", null, "area", false, true, 100],
                ["astronomical unit", "ua", null, "length", false, false, 1.49597870691667e-11],
                ["bar", "bar", null, "pressure", false, false, 100000],
                ["barn", "b", null, "area", false, false, 1e-28],
                ["becquerel", "Bq", null, "radioactivity", true, false, 1],
                ["bit", "bit", ["b"], "information", false, true, 1],
                ["btu", "BTU", ["btu"], "energy", false, true, 1055.05585262],
                ["byte", "byte", null, "information", false, true, 8],
                ["candela", "cd", null, "luminous_intensity", true, false, 1],
                ["candela per square metre", "cd/m?", null, "luminance", true, false, 1],
                ["coulomb", "C", null, "electric_charge", true, false, 1],
                ["cubic ångström", "ang3", ["ang^3"], "volume", false, true, 1e-30],
                ["cubic foot", "ft3", ["ft^3"], "volume", false, true, 0.028316846592],
                ["cubic inch", "in3", ["in^3"], "volume", false, true, 0.000016387064],
                ["cubic light-year", "ly3", ["ly^3"], "volume", false, true, 8.46786664623715e-47],
                ["cubic metre", "m?", null, "volume", true, true, 1],
                ["cubic mile", "mi3", ["mi^3"], "volume", false, true, 4168181825.44058],
                ["cubic nautical mile", "Nmi3", ["Nmi^3"], "volume", false, true, 6352182208],
                ["cubic Pica", "Pica3", ["Picapt3", "Pica^3", "Picapt^3"], "volume", false, true, 7.58660370370369e-8],
                ["cubic yard", "yd3", ["yd^3"], "volume", false, true, 0.764554857984],
                ["cup", "cup", null, "volume", false, true, 0.0002365882365],
                ["dalton", "Da", ["u"], "mass", false, false, 1.66053886282828e-27],
                ["day", "d", ["day"], "time", false, true, 86400],
                ["degree", "°", null, "angle", false, false, 0.0174532925199433],
                ["degrees Rankine", "Rank", null, "temperature", false, true, 0.555555555555556],
                ["dyne", "dyn", ["dy"], "force", false, true, 0.00001],
                ["electronvolt", "eV", ["ev"], "energy", false, true, 1.60217656514141],
                ["ell", "ell", null, "length", false, true, 1.143],
                ["erg", "erg", ["e"], "energy", false, true, 1e-7],
                ["farad", "F", null, "electric_capacitance", true, false, 1],
                ["fluid ounce", "oz", null, "volume", false, true, 0.0000295735295625],
                ["foot", "ft", null, "length", false, true, 0.3048],
                ["foot-pound", "flb", null, "energy", false, true, 1.3558179483314],
                ["gal", "Gal", null, "acceleration", false, false, 0.01],
                ["gallon", "gal", null, "volume", false, true, 0.003785411784],
                ["gauss", "G", ["ga"], "magnetic_flux_density", false, true, 1],
                ["grain", "grain", null, "mass", false, true, 0.0000647989],
                ["gram", "g", null, "mass", false, true, 0.001],
                ["gray", "Gy", null, "absorbed_dose", true, false, 1],
                ["gross registered ton", "GRT", ["regton"], "volume", false, true, 2.8316846592],
                ["hectare", "ha", null, "area", false, true, 10000],
                ["henry", "H", null, "inductance", true, false, 1],
                ["hertz", "Hz", null, "frequency", true, false, 1],
                ["horsepower", "HP", ["h"], "power", false, true, 745.69987158227],
                ["horsepower-hour", "HPh", ["hh", "hph"], "energy", false, true, 2684519.538],
                ["hour", "h", ["hr"], "time", false, true, 3600],
                ["imperial gallon (U.K.)", "uk_gal", null, "volume", false, true, 0.00454609],
                ["imperial hundredweight", "lcwt", ["uk_cwt", "hweight"], "mass", false, true, 50.802345],
                ["imperial quart (U.K)", "uk_qt", null, "volume", false, true, 0.0011365225],
                ["imperial ton", "brton", ["uk_ton", "LTON"], "mass", false, true, 1016.046909],
                ["inch", "in", null, "length", false, true, 0.0254],
                ["international acre", "uk_acre", null, "area", false, true, 4046.8564224],
                ["IT calorie", "cal", null, "energy", false, true, 4.1868],
                ["joule", "J", null, "energy", true, true, 1],
                ["katal", "kat", null, "catalytic_activity", true, false, 1],
                ["kelvin", "K", ["kel"], "temperature", true, true, 1],
                ["kilogram", "kg", null, "mass", true, true, 1],
                ["knot", "kn", null, "speed", false, true, 0.514444444444444],
                ["light-year", "ly", null, "length", false, true, 9460730472580800],
                ["litre", "L", ["l", "lt"], "volume", false, true, 0.001],
                ["lumen", "lm", null, "luminous_flux", true, false, 1],
                ["lux", "lx", null, "illuminance", true, false, 1],
                ["maxwell", "Mx", null, "magnetic_flux", false, false, 1e-18],
                ["measurement ton", "MTON", null, "volume", false, true, 1.13267386368],
                ["meter per hour", "m/h", ["m/hr"], "speed", false, true, 0.00027777777777778],
                ["meter per second", "m/s", ["m/sec"], "speed", true, true, 1],
                ["meter per second squared", "m?s??", null, "acceleration", true, false, 1],
                ["parsec", "pc", ["parsec"], "length", false, true, 30856775814671900],
                ["meter squared per second", "m?/s", null, "kinematic_viscosity", true, false, 1],
                ["metre", "m", null, "length", true, true, 1],
                ["miles per hour", "mph", null, "speed", false, true, 0.44704],
                ["millimetre of mercury", "mmHg", null, "pressure", false, false, 133.322],
                ["minute", "?", null, "angle", false, false, 0.000290888208665722],
                ["minute", "min", ["mn"], "time", false, true, 60],
                ["modern teaspoon", "tspm", null, "volume", false, true, 0.000005],
                ["mole", "mol", null, "amount_of_substance", true, false, 1],
                ["morgen", "Morgen", null, "area", false, true, 2500],
                ["n.u. of action", "?", null, "action", false, false, 1.05457168181818e-34],
                ["n.u. of mass", "m?", null, "mass", false, false, 9.10938261616162e-31],
                ["n.u. of speed", "c?", null, "speed", false, false, 299792458],
                ["n.u. of time", "?/(me?c??)", null, "time", false, false, 1.28808866778687e-21],
                ["nautical mile", "M", ["Nmi"], "length", false, true, 1852],
                ["newton", "N", null, "force", true, true, 1],
                ["œrsted", "Oe ", null, "magnetic_field_intensity", false, false, 79.5774715459477],
                ["ohm", "Ω", null, "electric_resistance", true, false, 1],
                ["ounce mass", "ozm", null, "mass", false, true, 0.028349523125],
                ["pascal", "Pa", null, "pressure", true, false, 1],
                ["pascal second", "Pa?s", null, "dynamic_viscosity", true, false, 1],
                ["pferdestärke", "PS", null, "power", false, true, 735.49875],
                ["phot", "ph", null, "illuminance", false, false, 0.0001],
                ["pica (1/6 inch)", "pica", null, "length", false, true, 0.00035277777777778],
                ["pica (1/72 inch)", "Pica", ["Picapt"], "length", false, true, 0.00423333333333333],
                ["poise", "P", null, "dynamic_viscosity", false, false, 0.1],
                ["pond", "pond", null, "force", false, true, 0.00980665],
                ["pound force", "lbf", null, "force", false, true, 4.4482216152605],
                ["pound mass", "lbm", null, "mass", false, true, 0.45359237],
                ["quart", "qt", null, "volume", false, true, 0.000946352946],
                ["radian", "rad", null, "angle", true, false, 1],
                ["second", "?", null, "angle", false, false, 0.00000484813681109536],
                ["second", "s", ["sec"], "time", true, true, 1],
                ["short hundredweight", "cwt", ["shweight"], "mass", false, true, 45.359237],
                ["siemens", "S", null, "electrical_conductance", true, false, 1],
                ["sievert", "Sv", null, "equivalent_dose", true, false, 1],
                ["slug", "sg", null, "mass", false, true, 14.59390294],
                ["square ångström", "ang2", ["ang^2"], "area", false, true, 1e-20],
                ["square foot", "ft2", ["ft^2"], "area", false, true, 0.09290304],
                ["square inch", "in2", ["in^2"], "area", false, true, 0.00064516],
                ["square light-year", "ly2", ["ly^2"], "area", false, true, 8.95054210748189e+31],
                ["square meter", "m?", null, "area", true, true, 1],
                ["square mile", "mi2", ["mi^2"], "area", false, true, 2589988.110336],
                ["square nautical mile", "Nmi2", ["Nmi^2"], "area", false, true, 3429904],
                ["square Pica", "Pica2", ["Picapt2", "Pica^2", "Picapt^2"], "area", false, true, 0.00001792111111111],
                ["square yard", "yd2", ["yd^2"], "area", false, true, 0.83612736],
                ["statute mile", "mi", null, "length", false, true, 1609.344],
                ["steradian", "sr", null, "solid_angle", true, false, 1],
                ["stilb", "sb", null, "luminance", false, false, 0.0001],
                ["stokes", "St", null, "kinematic_viscosity", false, false, 0.0001],
                ["stone", "stone", null, "mass", false, true, 6.35029318],
                ["tablespoon", "tbs", null, "volume", false, true, 0.0000147868],
                ["teaspoon", "tsp", null, "volume", false, true, 0.00000492892],
                ["tesla", "T", null, "magnetic_flux_density", true, true, 1],
                ["thermodynamic calorie", "c", null, "energy", false, true, 4.184],
                ["ton", "ton", null, "mass", false, true, 907.18474],
                ["tonne", "t", null, "mass", false, false, 1000],
                ["U.K. pint", "uk_pt", null, "volume", false, true, 0.00056826125],
                ["U.S. bushel", "bushel", null, "volume", false, true, 0.03523907],
                ["U.S. oil barrel", "barrel", null, "volume", false, true, 0.158987295],
                ["U.S. pint", "pt", ["us_pt"], "volume", false, true, 0.000473176473],
                ["U.S. survey mile", "survey_mi", null, "length", false, true, 1609.347219],
                ["U.S. survey/statute acre", "us_acre", null, "area", false, true, 4046.87261],
                ["volt", "V", null, "voltage", true, false, 1],
                ["watt", "W", null, "power", true, true, 1],
                ["watt-hour", "Wh", ["wh"], "energy", false, true, 3600],
                ["weber", "Wb", null, "magnetic_flux", true, false, 1],
                ["yard", "yd", null, "length", false, true, 0.9144],
                ["year", "yr", null, "time", false, true, 31557600]
            ];
    
            // Binary prefixes
            // [Name, Prefix power of 2 value, Previx value, Abbreviation, Derived
            // from]
            var binary_prefixes = {
                Yi: ["yobi", 80, 1208925819614629174706176, "Yi", "yotta"],
                Zi: ["zebi", 70, 1180591620717411303424, "Zi", "zetta"],
                Ei: ["exbi", 60, 1152921504606846976, "Ei", "exa"],
                Pi: ["pebi", 50, 1125899906842624, "Pi", "peta"],
                Ti: ["tebi", 40, 1099511627776, "Ti", "tera"],
                Gi: ["gibi", 30, 1073741824, "Gi", "giga"],
                Mi: ["mebi", 20, 1048576, "Mi", "mega"],
                ki: ["kibi", 10, 1024, "ki", "kilo"]
            };
    
            // Unit prefixes
            // [Name, Multiplier, Abbreviation]
            var unit_prefixes = {
                Y: ["yotta", 1e+24, "Y"],
                Z: ["zetta", 1e+21, "Z"],
                E: ["exa", 1e+18, "E"],
                P: ["peta", 1e+15, "P"],
                T: ["tera", 1e+12, "T"],
                G: ["giga", 1e+09, "G"],
                M: ["mega", 1e+06, "M"],
                k: ["kilo", 1e+03, "k"],
                h: ["hecto", 1e+02, "h"],
                e: ["dekao", 1e+01, "e"],
                d: ["deci", 1e-01, "d"],
                c: ["centi", 1e-02, "c"],
                m: ["milli", 1e-03, "m"],
                u: ["micro", 1e-06, "u"],
                n: ["nano", 1e-09, "n"],
                p: ["pico", 1e-12, "p"],
                f: ["femto", 1e-15, "f"],
                a: ["atto", 1e-18, "a"],
                z: ["zepto", 1e-21, "z"],
                y: ["yocto", 1e-24, "y"]
            };
    
            // Initialize units and multipliers
            var from = null;
            var to = null;
            var base_from_unit = from_unit;
            var base_to_unit = to_unit;
            var from_multiplier = 1;
            var to_multiplier = 1;
            var alt;
    
            // Lookup from and to units
            for (var i = 0; i < units.length; i++) {
                alt = (units[i][2] === null) ? [] : units[i][2];
                if (units[i][1] === base_from_unit || alt.indexOf(base_from_unit) >= 0) {
                  from = units[i];
                }
                if (units[i][1] === base_to_unit || alt.indexOf(base_to_unit) >= 0) {
                  to = units[i];
                }
            }
    
            // Lookup from prefix
            if (from === null) {
                var from_binary_prefix = binary_prefixes[from_unit.substring(0, 2)];
                var from_unit_prefix = unit_prefixes[from_unit.substring(0, 1)];
    
                // Handle dekao unit prefix (only unit prefix with two characters)
                if (from_unit.substring(0, 2) === 'da') {
                  from_unit_prefix = ["dekao", 1e+01, "da"];
                }
    
                // Handle binary prefixes first (so that 'Yi' is processed before
                // 'Y')
                if (from_binary_prefix) {
                  from_multiplier = from_binary_prefix[2];
                  base_from_unit = from_unit.substring(2);
                } else if (from_unit_prefix) {
                  from_multiplier = from_unit_prefix[1];
                  base_from_unit = from_unit.substring(from_unit_prefix[2].length);
                }
    
                // Lookup from unit
                for (var j = 0; j < units.length; j++) {
                  alt = (units[j][2] === null) ? [] : units[j][2];
                  if (units[j][1] === base_from_unit || alt.indexOf(base_from_unit) >= 0) {
                      from = units[j];
                  }
                }
            }
    
            // Lookup to prefix
            if (to === null) {
                var to_binary_prefix = binary_prefixes[to_unit.substring(0, 2)];
                var to_unit_prefix = unit_prefixes[to_unit.substring(0, 1)];
    
                // Handle dekao unit prefix (only unit prefix with two characters)
                if (to_unit.substring(0, 2) === 'da') {
                  to_unit_prefix = ["dekao", 1e+01, "da"];
                }
    
                // Handle binary prefixes first (so that 'Yi' is processed before
                // 'Y')
                if (to_binary_prefix) {
                  to_multiplier = to_binary_prefix[2];
                  base_to_unit = to_unit.substring(2);
                } else if (to_unit_prefix) {
                  to_multiplier = to_unit_prefix[1];
                  base_to_unit = to_unit.substring(to_unit_prefix[2].length);
                }
    
                // Lookup to unit
                for (var k = 0; k < units.length; k++) {
                  alt = (units[k][2] === null) ? [] : units[k][2];
                  if (units[k][1] === base_to_unit || alt.indexOf(base_to_unit) >= 0) {
                      to = units[k];
                  }
                }
            }
    
            // Return error if a unit does not exist
            if (from === null || to === null) {
                return error.na;
            }
    
            // Return error if units represent different quantities
            if (from[3] !== to[3]) {
                return error.na;
            }
    
            // Return converted number
            return number * from[6] * from_multiplier / (to[6] * to_multiplier);
        };
    
        exports.DEC2BIN = function(number, places) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
    
            // Return error if number is not decimal, is lower than -512, or is
            // greater than 511
            if (!/^-?[0-9]{1,3}$/.test(number) || number < -512 || number > 511) {
                return error.num;
            }
    
            // Ignore places and return a 10-character binary number if number is
            // negative
            if (number < 0) {
                return '1' + REPT('0', 9 - (512 + number).toString(2).length) + (512 + number).toString(2);
            }
    
            // Convert decimal number to binary
            var result = parseInt(number, 10).toString(2);
    
            // Return binary number using the minimum number of characters necessary
            // if places is undefined
            if (typeof places === 'undefined') {
                return result;
            } else {
                // Return error if places is nonnumeric
                if (isNaN(places)) {
                  return error.value;
                }
    
                // Return error if places is negative
                if (places < 0) {
                  return error.num;
                }
    
                // Truncate places in case it is not an integer
                places = Math.floor(places);
    
                // Pad return value with leading 0s (zeros) if necessary (using
                // Underscore.string)
                return (places >= result.length) ? REPT('0', places - result.length) + result : error.num;
            }
        };
    
        exports.DEC2HEX = function(number, places) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
    
            // Return error if number is not decimal, is lower than -549755813888,
            // or is greater than 549755813887
            if (!/^-?[0-9]{1,12}$/.test(number) || number < -549755813888 || number > 549755813887) {
                return error.num;
            }
    
            // Ignore places and return a 10-character hexadecimal number if number
            // is negative
            if (number < 0) {
                return (1099511627776 + number).toString(16);
            }
    
            // Convert decimal number to hexadecimal
            var result = parseInt(number, 10).toString(16);
    
            // Return hexadecimal number using the minimum number of characters
            // necessary if places is undefined
            if (typeof places === 'undefined') {
                return result;
            } else {
                // Return error if places is nonnumeric
                if (isNaN(places)) {
                  return error.value;
                }
    
                // Return error if places is negative
                if (places < 0) {
                  return error.num;
                }
    
                // Truncate places in case it is not an integer
                places = Math.floor(places);
    
                // Pad return value with leading 0s (zeros) if necessary (using
                // Underscore.string)
                return (places >= result.length) ? REPT('0', places - result.length) + result : error.num;
            }
        };
    
        exports.DEC2OCT = function(number, places) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
    
            // Return error if number is not decimal, is lower than -549755813888,
            // or is greater than 549755813887
            if (!/^-?[0-9]{1,9}$/.test(number) || number < -536870912 || number > 536870911) {
                return error.num;
            }
    
            // Ignore places and return a 10-character octal number if number is
            // negative
            if (number < 0) {
                return (1073741824 + number).toString(8);
            }
    
            // Convert decimal number to octal
            var result = parseInt(number, 10).toString(8);
    
            // Return octal number using the minimum number of characters necessary
            // if places is undefined
            if (typeof places === 'undefined') {
                return result;
            } else {
                // Return error if places is nonnumeric
                if (isNaN(places)) {
                  return error.value;
                }
    
                // Return error if places is negative
                if (places < 0) {
                  return error.num;
                }
    
                // Truncate places in case it is not an integer
                places = Math.floor(places);
    
                // Pad return value with leading 0s (zeros) if necessary (using
                // Underscore.string)
                return (places >= result.length) ? REPT('0', places - result.length) + result : error.num;
            }
        };
    
        exports.DELTA = function(number1, number2) {
            // Set number2 to zero if undefined
            number2 = (number2 === undefined) ? 0 : number2;
            number1 = utils.parseNumber(number1);
            number2 = utils.parseNumber(number2);
            if (utils.anyIsError(number1, number2)) {
                return error.value;
            }
    
            // Return delta
            return (number1 === number2) ? 1 : 0;
        };
    
        exports.ERF = function(lower_bound, upper_bound) {
        };
    
        exports.ERF.PRECISE = function() {
        };
    
        exports.ERFC = function(x) {
        };
    
        exports.ERFC.PRECISE = function() {
        };
    
        exports.GESTEP = function(number, step) {
            step = step || 0;
            number = utils.parseNumber(number);
            if (utils.anyIsError(step, number)) {
                return number;
            }
    
            // Return delta
            return (number >= step) ? 1 : 0;
        };
    
        exports.HEX2BIN = function(number, places) {
            // Return error if number is not hexadecimal or contains more than ten
            // characters (10 digits)
            if (!/^[0-9A-Fa-f]{1,10}$/.test(number)) {
                return error.num;
            }
    
            // Check if number is negative
            var negative = (number.length === 10 && number.substring(0, 1).toLowerCase() === 'f') ? true : false;
    
            // Convert hexadecimal number to decimal
            var decimal = (negative) ? parseInt(number, 16) - 1099511627776 : parseInt(number, 16);
    
            // Return error if number is lower than -512 or greater than 511
            if (decimal < -512 || decimal > 511) {
                return error.num;
            }
    
            // Ignore places and return a 10-character binary number if number is
            // negative
            if (negative) {
                return '1' + REPT('0', 9 - (512 + decimal).toString(2).length) + (512 + decimal).toString(2);
            }
    
            // Convert decimal number to binary
            var result = decimal.toString(2);
    
            // Return binary number using the minimum number of characters necessary
            // if places is undefined
            if (places === undefined) {
                return result;
            } else {
                // Return error if places is nonnumeric
                if (isNaN(places)) {
                  return error.value;
                }
    
                // Return error if places is negative
                if (places < 0) {
                  return error.num;
                }
    
                // Truncate places in case it is not an integer
                places = Math.floor(places);
    
                // Pad return value with leading 0s (zeros) if necessary (using
                // Underscore.string)
                return (places >= result.length) ? REPT('0', places - result.length) + result : error.num;
            }
        };
    
        exports.HEX2DEC = function(number) {
            // Return error if number is not hexadecimal or contains more than ten
            // characters (10 digits)
            if (!/^[0-9A-Fa-f]{1,10}$/.test(number)) {
                return error.num;
            }
    
            // Convert hexadecimal number to decimal
            var decimal = parseInt(number, 16);
    
            // Return decimal number
            return (decimal >= 549755813888) ? decimal - 1099511627776 : decimal;
        };
    
        exports.HEX2OCT = function(number, places) {
            // Return error if number is not hexadecimal or contains more than ten
            // characters (10 digits)
            if (!/^[0-9A-Fa-f]{1,10}$/.test(number)) {
                return error.num;
            }
    
            // Convert hexadecimal number to decimal
            var decimal = parseInt(number, 16);
    
            // Return error if number is positive and greater than 0x1fffffff
            // (536870911)
            if (decimal > 536870911 && decimal < 1098974756864) {
                return error.num;
            }
    
            // Ignore places and return a 10-character octal number if number is
            // negative
            if (decimal >= 1098974756864) {
                return (decimal - 1098437885952).toString(8);
            }
    
            // Convert decimal number to octal
            var result = decimal.toString(8);
    
            // Return octal number using the minimum number of characters necessary
            // if places is undefined
            if (places === undefined) {
                return result;
            } else {
                // Return error if places is nonnumeric
                if (isNaN(places)) {
                  return error.value;
                }
    
                // Return error if places is negative
                if (places < 0) {
                  return error.num;
                }
    
                // Truncate places in case it is not an integer
                places = Math.floor(places);
    
                // Pad return value with leading 0s (zeros) if necessary (using
                // Underscore.string)
                return (places >= result.length) ? REPT('0', places - result.length) + result : error.num;
            }
        };
    
        exports.IMABS = function(inumber) {
            // Lookup real and imaginary coefficients using exports.js
            // [http://formulajs.org]
            var x = exports.IMREAL(inumber);
            var y = exports.IMAGINARY(inumber);
    
            // Return error if either coefficient is not a number
            if (utils.anyIsError(x, y)) {
                return error.value;
            }
    
            // Return absolute value of complex number
            return Math.sqrt(Math.pow(x, 2) + Math.pow(y, 2));
        };
    
        exports.IMAGINARY = function(inumber) {
            if (inumber === undefined || inumber === true || inumber === false) {
                return error.value;
            }
    
            // Return 0 if inumber is equal to 0
            if (inumber === 0 || inumber === '0') {
                return 0;
            }
    
            // Handle special cases
            if (['i', 'j'].indexOf(inumber) >= 0) {
                return 1;
            }
    
            // Normalize imaginary coefficient
            inumber = inumber.replace('+i', '+1i').replace('-i', '-1i').replace('+j', '+1j').replace('-j', '-1j');
    
            // Lookup sign
            var plus = inumber.indexOf('+');
            var minus = inumber.indexOf('-');
            if (plus === 0) {
                plus = inumber.indexOf('+', 1);
            }
    
            if (minus === 0) {
                minus = inumber.indexOf('-', 1);
            }
    
            // Lookup imaginary unit
            var last = inumber.substring(inumber.length - 1, inumber.length);
            var unit = (last === 'i' || last === 'j');
    
            if (plus >= 0 || minus >= 0) {
                // Return error if imaginary unit is neither i nor j
                if (!unit) {
                  return error.num;
                }
    
                // Return imaginary coefficient of complex number
                if (plus >= 0) {
                  return (isNaN(inumber.substring(0, plus)) || isNaN(inumber.substring(plus + 1, inumber.length - 1))) ?
                      error.num :
                      Number(inumber.substring(plus + 1, inumber.length - 1));
                } else {
                  return (isNaN(inumber.substring(0, minus)) || isNaN(inumber.substring(minus + 1, inumber.length - 1))) ?
                      error.num :
                      -Number(inumber.substring(minus + 1, inumber.length - 1));
                }
            } else {
                if (unit) {
                  return (isNaN(inumber.substring(0, inumber.length - 1))) ? error.num : inumber.substring(0, inumber.length - 1);
                } else {
                  return (isNaN(inumber)) ? error.num : 0;
                }
            }
        };
    
        exports.IMARGUMENT = function(inumber) {
            // Lookup real and imaginary coefficients using exports.js
            // [http://formulajs.org]
            var x = exports.IMREAL(inumber);
            var y = exports.IMAGINARY(inumber);
    
            // Return error if either coefficient is not a number
            if (utils.anyIsError(x, y)) {
                return error.value;
            }
    
            // Return error if inumber is equal to zero
            if (x === 0 && y === 0) {
                return error.div0;
            }
    
            // Return PI/2 if x is equal to zero and y is positive
            if (x === 0 && y > 0) {
                return Math.PI / 2;
            }
    
            // Return -PI/2 if x is equal to zero and y is negative
            if (x === 0 && y < 0) {
                return -Math.PI / 2;
            }
    
            // Return zero if x is negative and y is equal to zero
            if (y === 0 && x > 0) {
                return 0;
            }
    
            // Return zero if x is negative and y is equal to zero
            if (y === 0 && x < 0) {
                return -Math.PI;
            }
    
            // Return argument of complex number
            if (x > 0) {
                return Math.atan(y / x);
            } else if (x < 0 && y >= 0) {
                return Math.atan(y / x) + Math.PI;
            } else {
                return Math.atan(y / x) - Math.PI;
            }
        };
    
        exports.IMCONJUGATE = function(inumber) {
            // Lookup real and imaginary coefficients using exports.js
            // [http://formulajs.org]
            var x = exports.IMREAL(inumber);
            var y = exports.IMAGINARY(inumber);
    
            if (utils.anyIsError(x, y)) {
                return error.value;
            }
    
            // Lookup imaginary unit
            var unit = inumber.substring(inumber.length - 1);
            unit = (unit === 'i' || unit === 'j') ? unit : 'i';
    
            // Return conjugate of complex number
            return (y !== 0) ? exports.COMPLEX(x, -y, unit) : inumber;
        };
    
        exports.IMCOS = function(inumber) {
            // Lookup real and imaginary coefficients using exports.js
            // [http://formulajs.org]
            var x = exports.IMREAL(inumber);
            var y = exports.IMAGINARY(inumber);
    
            if (utils.anyIsError(x, y)) {
                return error.value;
            }
    
            // Lookup imaginary unit
            var unit = inumber.substring(inumber.length - 1);
            unit = (unit === 'i' || unit === 'j') ? unit : 'i';
    
            // Return cosine of complex number
            return exports.COMPLEX(Math.cos(x) * (Math.exp(y) + Math.exp(-y)) / 2, -Math.sin(x) * (Math.exp(y) - Math.exp(-y)) / 2, unit);
        };
    
        exports.IMCOSH = function(inumber) {
            // Lookup real and imaginary coefficients using exports.js
            // [http://formulajs.org]
            var x = exports.IMREAL(inumber);
            var y = exports.IMAGINARY(inumber);
    
            if (utils.anyIsError(x, y)) {
                return error.value;
            }
    
            // Lookup imaginary unit
            var unit = inumber.substring(inumber.length - 1);
            unit = (unit === 'i' || unit === 'j') ? unit : 'i';
    
            // Return hyperbolic cosine of complex number
            return exports.COMPLEX(Math.cos(y) * (Math.exp(x) + Math.exp(-x)) / 2, Math.sin(y) * (Math.exp(x) - Math.exp(-x)) / 2, unit);
        };
    
        exports.IMCOT = function(inumber) {
            // Lookup real and imaginary coefficients using Formula.js
            // [http://formulajs.org]
            var x = exports.IMREAL(inumber);
            var y = exports.IMAGINARY(inumber);
    
            if (utils.anyIsError(x, y)) {
                return error.value;
            }
    
            // Return cotangent of complex number
            return exports.IMDIV(exports.IMCOS(inumber), exports.IMSIN(inumber));
        };
    
        exports.IMDIV = function(inumber1, inumber2) {
            // Lookup real and imaginary coefficients using Formula.js
            // [http://formulajs.org]
            var a = exports.IMREAL(inumber1);
            var b = exports.IMAGINARY(inumber1);
            var c = exports.IMREAL(inumber2);
            var d = exports.IMAGINARY(inumber2);
    
            if (utils.anyIsError(a, b, c, d)) {
                return error.value;
            }
    
            // Lookup imaginary unit
            var unit1 = inumber1.substring(inumber1.length - 1);
            var unit2 = inumber2.substring(inumber2.length - 1);
            var unit = 'i';
            if (unit1 === 'j') {
                unit = 'j';
            } else if (unit2 === 'j') {
                unit = 'j';
            }
    
            // Return error if inumber2 is null
            if (c === 0 && d === 0) {
                return error.num;
            }
    
            // Return exponential of complex number
            var den = c * c + d * d;
            return exports.COMPLEX((a * c + b * d) / den, (b * c - a * d) / den, unit);
        };
    
        exports.IMEXP = function(inumber) {
            // Lookup real and imaginary coefficients using Formula.js
            // [http://formulajs.org]
            var x = exports.IMREAL(inumber);
            var y = exports.IMAGINARY(inumber);
    
            if (utils.anyIsError(x, y)) {
                return error.value;
            }
    
            // Lookup imaginary unit
            var unit = inumber.substring(inumber.length - 1);
            unit = (unit === 'i' || unit === 'j') ? unit : 'i';
    
            // Return exponential of complex number
            var e = Math.exp(x);
            return exports.COMPLEX(e * Math.cos(y), e * Math.sin(y), unit);
        };
    
        exports.IMLN = function(inumber) {
            // Lookup real and imaginary coefficients using Formula.js
            // [http://formulajs.org]
            var x = exports.IMREAL(inumber);
            var y = exports.IMAGINARY(inumber);
    
            if (utils.anyIsError(x, y)) {
                return error.value;
            }
    
            // Lookup imaginary unit
            var unit = inumber.substring(inumber.length - 1);
            unit = (unit === 'i' || unit === 'j') ? unit : 'i';
    
            // Return exponential of complex number
            return exports.COMPLEX(Math.log(Math.sqrt(x * x + y * y)), Math.atan(y / x), unit);
        };
    
        exports.IMLOG10 = function(inumber) {
            // Lookup real and imaginary coefficients using Formula.js
            // [http://formulajs.org]
            var x = exports.IMREAL(inumber);
            var y = exports.IMAGINARY(inumber);
    
            if (utils.anyIsError(x, y)) {
                return error.value;
            }
    
            // Lookup imaginary unit
            var unit = inumber.substring(inumber.length - 1);
            unit = (unit === 'i' || unit === 'j') ? unit : 'i';
    
            // Return exponential of complex number
            return exports.COMPLEX(Math.log(Math.sqrt(x * x + y * y)) / Math.log(10), Math.atan(y / x) / Math.log(10), unit);
        };
    
        exports.IMLOG2 = function(inumber) {
            // Lookup real and imaginary coefficients using Formula.js
            // [http://formulajs.org]
            var x = exports.IMREAL(inumber);
            var y = exports.IMAGINARY(inumber);
    
            if (utils.anyIsError(x, y)) {
                return error.value;
            }
    
            // Lookup imaginary unit
            var unit = inumber.substring(inumber.length - 1);
            unit = (unit === 'i' || unit === 'j') ? unit : 'i';
    
            // Return exponential of complex number
            return exports.COMPLEX(Math.log(Math.sqrt(x * x + y * y)) / Math.log(2), Math.atan(y / x) / Math.log(2), unit);
        };
    
        exports.IMPOWER = function(inumber, number) {
            number = utils.parseNumber(number);
            var x = exports.IMREAL(inumber);
            var y = exports.IMAGINARY(inumber);
            if (utils.anyIsError(number, x, y)) {
                return error.value;
            }
    
            // Lookup imaginary unit
            var unit = inumber.substring(inumber.length - 1);
            unit = (unit === 'i' || unit === 'j') ? unit : 'i';
    
            // Calculate power of modulus
            var p = Math.pow(exports.IMABS(inumber), number);
    
            // Calculate argument
            var t = exports.IMARGUMENT(inumber);
    
            // Return exponential of complex number
            return exports.COMPLEX(p * Math.cos(number * t), p * Math.sin(number * t), unit);
        };
    
        exports.IMPRODUCT = function() {
            // Initialize result
            var result = arguments[0];
    
            // Loop on all numbers
            for (var i = 1; i < arguments.length; i++) {
                // Lookup coefficients of two complex numbers
                var a = exports.IMREAL(result);
                var b = exports.IMAGINARY(result);
                var c = exports.IMREAL(arguments[i]);
                var d = exports.IMAGINARY(arguments[i]);
    
                if (utils.anyIsError(a, b, c, d)) {
                  return error.value;
                }
    
                // Complute product of two complex numbers
                result = exports.COMPLEX(a * c - b * d, a * d + b * c);
            }
    
            // Return product of complex numbers
            return result;
        };
    
        exports.IMREAL = function(inumber) {
            if (inumber === undefined || inumber === true || inumber === false) {
                return error.value;
            }
    
            // Return 0 if inumber is equal to 0
            if (inumber === 0 || inumber === '0') {
                return 0;
            }
    
            // Handle special cases
            if (['i', '+i', '1i', '+1i', '-i', '-1i', 'j', '+j', '1j', '+1j', '-j', '-1j'].indexOf(inumber) >= 0) {
                return 0;
            }
    
            // Lookup sign
            var plus = inumber.indexOf('+');
            var minus = inumber.indexOf('-');
            if (plus === 0) {
                plus = inumber.indexOf('+', 1);
            }
            if (minus === 0) {
                minus = inumber.indexOf('-', 1);
            }
    
            // Lookup imaginary unit
            var last = inumber.substring(inumber.length - 1, inumber.length);
            var unit = (last === 'i' || last === 'j');
    
            if (plus >= 0 || minus >= 0) {
                // Return error if imaginary unit is neither i nor j
                if (!unit) {
                  return error.num;
                }
    
                // Return real coefficient of complex number
                if (plus >= 0) {
                  return (isNaN(inumber.substring(0, plus)) || isNaN(inumber.substring(plus + 1, inumber.length - 1))) ?
                      error.num :
                      Number(inumber.substring(0, plus));
                } else {
                  return (isNaN(inumber.substring(0, minus)) || isNaN(inumber.substring(minus + 1, inumber.length - 1))) ?
                      error.num :
                      Number(inumber.substring(0, minus));
                }
            } else {
                if (unit) {
                  return (isNaN(inumber.substring(0, inumber.length - 1))) ? error.num : 0;
                } else {
                  return (isNaN(inumber)) ? error.num : inumber;
                }
            }
        };
    
        exports.IMSEC = function(inumber) {
            // Return error if inumber is a logical value
            if (inumber === true || inumber === false) {
                return error.value;
            }
    
            // Lookup real and imaginary coefficients using Formula.js
            // [http://formulajs.org]
            var x = exports.IMREAL(inumber);
            var y = exports.IMAGINARY(inumber);
    
            if (utils.anyIsError(x, y)) {
                return error.value;
            }
    
            // Return secant of complex number
            return exports.IMDIV('1', exports.IMCOS(inumber));
        };
    
        exports.IMSECH = function(inumber) {
            // Lookup real and imaginary coefficients using Formula.js
            // [http://formulajs.org]
            var x = exports.IMREAL(inumber);
            var y = exports.IMAGINARY(inumber);
    
            if (utils.anyIsError(x, y)) {
                return error.value;
            }
    
            // Return hyperbolic secant of complex number
            return exports.IMDIV('1', exports.IMCOSH(inumber));
        };
    
        exports.IMSIN = function(inumber) {
            // Lookup real and imaginary coefficients using Formula.js
            // [http://formulajs.org]
            var x = exports.IMREAL(inumber);
            var y = exports.IMAGINARY(inumber);
    
            if (utils.anyIsError(x, y)) {
                return error.value;
            }
    
            // Lookup imaginary unit
            var unit = inumber.substring(inumber.length - 1);
            unit = (unit === 'i' || unit === 'j') ? unit : 'i';
    
            // Return sine of complex number
            return exports.COMPLEX(Math.sin(x) * (Math.exp(y) + Math.exp(-y)) / 2, Math.cos(x) * (Math.exp(y) - Math.exp(-y)) / 2, unit);
        };
    
        exports.IMSINH = function(inumber) {
            // Lookup real and imaginary coefficients using Formula.js
            // [http://formulajs.org]
            var x = exports.IMREAL(inumber);
            var y = exports.IMAGINARY(inumber);
    
            if (utils.anyIsError(x, y)) {
                return error.value;
            }
    
            // Lookup imaginary unit
            var unit = inumber.substring(inumber.length - 1);
            unit = (unit === 'i' || unit === 'j') ? unit : 'i';
    
            // Return hyperbolic sine of complex number
            return exports.COMPLEX(Math.cos(y) * (Math.exp(x) - Math.exp(-x)) / 2, Math.sin(y) * (Math.exp(x) + Math.exp(-x)) / 2, unit);
        };
    
        exports.IMSQRT = function(inumber) {
            // Lookup real and imaginary coefficients using Formula.js
            // [http://formulajs.org]
            var x = exports.IMREAL(inumber);
            var y = exports.IMAGINARY(inumber);
    
            if (utils.anyIsError(x, y)) {
                return error.value;
            }
    
            // Lookup imaginary unit
            var unit = inumber.substring(inumber.length - 1);
            unit = (unit === 'i' || unit === 'j') ? unit : 'i';
    
            // Calculate power of modulus
            var s = Math.sqrt(exports.IMABS(inumber));
    
            // Calculate argument
            var t = exports.IMARGUMENT(inumber);
    
            // Return exponential of complex number
            return exports.COMPLEX(s * Math.cos(t / 2), s * Math.sin(t / 2), unit);
        };
    
        exports.IMCSC = function (inumber) {
            // Return error if inumber is a logical value
            if (inumber === true || inumber === false) {
                return error.value;
            }
    
            // Lookup real and imaginary coefficients using Formula.js
            // [http://formulajs.org]
            var x = exports.IMREAL(inumber);
            var y = exports.IMAGINARY(inumber);
    
            // Return error if either coefficient is not a number
            if (utils.anyIsError(x, y)) {
                return error.num;
            }
    
            // Return cosecant of complex number
            return exports.IMDIV('1', exports.IMSIN(inumber));
        };
    
        exports.IMCSCH = function (inumber) {
            // Return error if inumber is a logical value
            if (inumber === true || inumber === false) {
                return error.value;
            }
    
            // Lookup real and imaginary coefficients using Formula.js
            // [http://formulajs.org]
            var x = exports.IMREAL(inumber);
            var y = exports.IMAGINARY(inumber);
    
            // Return error if either coefficient is not a number
            if (utils.anyIsError(x, y)) {
                return error.num;
            }
    
            // Return hyperbolic cosecant of complex number
            return exports.IMDIV('1', exports.IMSINH(inumber));
        };
    
        exports.IMSUB = function(inumber1, inumber2) {
            // Lookup real and imaginary coefficients using Formula.js
            // [http://formulajs.org]
            var a = this.IMREAL(inumber1);
            var b = this.IMAGINARY(inumber1);
            var c = this.IMREAL(inumber2);
            var d = this.IMAGINARY(inumber2);
    
            if (utils.anyIsError(a, b, c, d)) {
                return error.value;
            }
    
            // Lookup imaginary unit
            var unit1 = inumber1.substring(inumber1.length - 1);
            var unit2 = inumber2.substring(inumber2.length - 1);
            var unit = 'i';
            if (unit1 === 'j') {
                unit = 'j';
            } else if (unit2 === 'j') {
                unit = 'j';
            }
    
            // Return _ of two complex numbers
            return this.COMPLEX(a - c, b - d, unit);
        };
    
        exports.IMSUM = function() {
            var args = utils.flatten(arguments);
    
            // Initialize result
            var result = args[0];
    
            // Loop on all numbers
            for (var i = 1; i < args.length; i++) {
                // Lookup coefficients of two complex numbers
                var a = this.IMREAL(result);
                var b = this.IMAGINARY(result);
                var c = this.IMREAL(args[i]);
                var d = this.IMAGINARY(args[i]);
    
                if (utils.anyIsError(a, b, c, d)) {
                  return error.value;
                }
    
                // Complute product of two complex numbers
                result = this.COMPLEX(a + c, b + d);
            }
    
            // Return sum of complex numbers
            return result;
        };
    
        exports.IMTAN = function(inumber) {
            // Return error if inumber is a logical value
            if (inumber === true || inumber === false) {
                return error.value;
            }
    
            // Lookup real and imaginary coefficients using Formula.js
            // [http://formulajs.org]
            var x = exports.IMREAL(inumber);
            var y = exports.IMAGINARY(inumber);
    
            if (utils.anyIsError(x, y)) {
                return error.value;
            }
    
            // Return tangent of complex number
            return this.IMDIV(this.IMSIN(inumber), this.IMCOS(inumber));
        };
    
        exports.OCT2BIN = function(number, places) {
            // Return error if number is not hexadecimal or contains more than ten
            // characters (10 digits)
            if (!/^[0-7]{1,10}$/.test(number)) {
                return error.num;
            }
    
            // Check if number is negative
            var negative = (number.length === 10 && number.substring(0, 1) === '7') ? true : false;
    
            // Convert octal number to decimal
            var decimal = (negative) ? parseInt(number, 8) - 1073741824 : parseInt(number, 8);
    
            // Return error if number is lower than -512 or greater than 511
            if (decimal < -512 || decimal > 511) {
                return error.num;
            }
    
            // Ignore places and return a 10-character binary number if number is
            // negative
            if (negative) {
                return '1' + REPT('0', 9 - (512 + decimal).toString(2).length) + (512 + decimal).toString(2);
            }
    
            // Convert decimal number to binary
            var result = decimal.toString(2);
    
            // Return binary number using the minimum number of characters necessary
            // if places is undefined
            if (typeof places === 'undefined') {
                return result;
            } else {
                // Return error if places is nonnumeric
                if (isNaN(places)) {
                  return error.value;
                }
    
                // Return error if places is negative
                if (places < 0) {
                  return error.num;
                }
    
                // Truncate places in case it is not an integer
                places = Math.floor(places);
    
                // Pad return value with leading 0s (zeros) if necessary (using
                // Underscore.string)
                return (places >= result.length) ? REPT('0', places - result.length) + result : error.num;
            }
        };
    
        exports.OCT2DEC = function(number) {
            // Return error if number is not octal or contains more than ten
            // characters (10 digits)
            if (!/^[0-7]{1,10}$/.test(number)) {
                return error.num;
            }
    
            // Convert octal number to decimal
            var decimal = parseInt(number, 8);
    
            // Return decimal number
            return (decimal >= 536870912) ? decimal - 1073741824 : decimal;
        };
    
        exports.OCT2HEX = function(number, places) {
            // Return error if number is not octal or contains more than ten
            // characters (10 digits)
            if (!/^[0-7]{1,10}$/.test(number)) {
                return error.num;
            }
    
            // Convert octal number to decimal
            var decimal = parseInt(number, 8);
    
            // Ignore places and return a 10-character octal number if number is
            // negative
            if (decimal >= 536870912) {
                return 'ff' + (decimal + 3221225472).toString(16);
            }
    
            // Convert decimal number to hexadecimal
            var result = decimal.toString(16);
    
            // Return hexadecimal number using the minimum number of characters
            // necessary if places is undefined
            if (places === undefined) {
                return result;
            } else {
                // Return error if places is nonnumeric
                if (isNaN(places)) {
                  return error.value;
                }
    
                // Return error if places is negative
                if (places < 0) {
                  return error.num;
                }
    
                // Truncate places in case it is not an integer
                places = Math.floor(places);
    
                // Pad return value with leading 0s (zeros) if necessary (using
                // Underscore.string)
                return (places >= result.length) ? REPT('0', places - result.length) + result : error.num;
            }
        };
    
        return exports;
    })();
    
    jexcel.methods.financial = (function() {
        var exports = {};
    
        function validDate(d) {
            return d && d.getTime && !isNaN(d.getTime());
        }
    
        function ensureDate(d) {
            return (d instanceof Date)?d:new Date(d);
        }
    
        exports.ACCRINT = function(issue, first, settlement, rate, par, frequency, basis) {
            // Return error if either date is invalid
            issue        = ensureDate(issue);
            first        = ensureDate(first);
            settlement = ensureDate(settlement);
            if (!validDate(issue) || !validDate(first) || !validDate(settlement)) {
                return '#VALUE!';
            }
    
            // Return error if either rate or par are lower than or equal to zero
            if (rate <= 0 || par <= 0) {
                return '#NUM!';
            }
    
            // Return error if frequency is neither 1, 2, or 4
            if ([1, 2, 4].indexOf(frequency) === -1) {
                return '#NUM!';
            }
    
            // Return error if basis is neither 0, 1, 2, 3, or 4
            if ([0, 1, 2, 3, 4].indexOf(basis) === -1) {
                return '#NUM!';
            }
    
            // Return error if settlement is before or equal to issue
            if (settlement <= issue) {
                return '#NUM!';
            }
    
            // Set default values
            par   = par   || 0;
            basis = basis || 0;
    
            // Compute accrued interest
            return par * rate * YEARFRAC(issue, settlement, basis);
        };
    
        exports.ACCRINTM = null;
    
        exports.AMORDEGRC = null;
    
        exports.AMORLINC = null;
    
        exports.COUPDAYBS = null;
    
        exports.COUPDAYS = null;
    
        exports.COUPDAYSNC = null;
    
        exports.COUPNCD = null;
    
        exports.COUPNUM = null;
    
        exports.COUPPCD = null;
    
        exports.CUMIPMT = function(rate, periods, value, start, end, type) {
            // Credits: algorithm inspired by Apache OpenOffice
            // Credits: Hannes Stiebitzhofer for the translations of function and
                // variable names
            // Requires exports.FV() and exports.PMT() from exports.js
                // [http://stoic.com/exports/]
    
            rate = utils.parseNumber(rate);
            periods = utils.parseNumber(periods);
            value = utils.parseNumber(value);
            if (utils.anyIsError(rate, periods, value)) {
                return error.value;
            }
    
            // Return error if either rate, periods, or value are lower than or
                // equal to zero
            if (rate <= 0 || periods <= 0 || value <= 0) {
                return error.num;
            }
    
            // Return error if start < 1, end < 1, or start > end
            if (start < 1 || end < 1 || start > end) {
                return error.num;
            }
    
            // Return error if type is neither 0 nor 1
            if (type !== 0 && type !== 1) {
                return error.num;
            }
    
            // Compute cumulative interest
            var payment = exports.PMT(rate, periods, value, 0, type);
            var interest = 0;
    
            if (start === 1) {
                if (type === 0) {
                    interest = -value;
                    start++;
                }
            }
    
            for (var i = start; i <= end; i++) {
                if (type === 1) {
                    interest += exports.FV(rate, i - 2, payment, value, 1) - payment;
                } else {
                    interest += exports.FV(rate, i - 1, payment, value, 0);
                }
            }
            interest *= rate;
    
            // Return cumulative interest
            return interest;
        };
    
        exports.CUMPRINC = function(rate, periods, value, start, end, type) {
            // Credits: algorithm inspired by Apache OpenOffice
            // Credits: Hannes Stiebitzhofer for the translations of function and
                // variable names
    
            rate = utils.parseNumber(rate);
            periods = utils.parseNumber(periods);
            value = utils.parseNumber(value);
            if (utils.anyIsError(rate, periods, value)) {
                return error.value;
            }
    
            // Return error if either rate, periods, or value are lower than or
                // equal to zero
            if (rate <= 0 || periods <= 0 || value <= 0) {
                return error.num;
            }
    
            // Return error if start < 1, end < 1, or start > end
            if (start < 1 || end < 1 || start > end) {
                return error.num;
            }
    
            // Return error if type is neither 0 nor 1
            if (type !== 0 && type !== 1) {
                return error.num;
            }
    
            // Compute cumulative principal
            var payment = exports.PMT(rate, periods, value, 0, type);
            var principal = 0;
            if (start === 1) {
                if (type === 0) {
                    principal = payment + value * rate;
                } else {
                    principal = payment;
                }
                start++;
            }
            for (var i = start; i <= end; i++) {
                if (type > 0) {
                    principal += payment - (exports.FV(rate, i - 2, payment, value, 1) - payment) * rate;
                } else {
                    principal += payment - exports.FV(rate, i - 1, payment, value, 0) * rate;
                }
            }
    
            // Return cumulative principal
            return principal;
        };
    
        exports.DB = function(cost, salvage, life, period, month) {
            // Initialize month
            month = (month === undefined) ? 12 : month;
    
            cost = utils.parseNumber(cost);
            salvage = utils.parseNumber(salvage);
            life = utils.parseNumber(life);
            period = utils.parseNumber(period);
            month = utils.parseNumber(month);
            if (utils.anyIsError(cost, salvage, life, period, month)) {
                return error.value;
            }
    
            // Return error if any of the parameters is negative
            if (cost < 0 || salvage < 0 || life < 0 || period < 0) {
                return error.num;
            }
    
            // Return error if month is not an integer between 1 and 12
            if ([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12].indexOf(month) === -1) {
                return error.num;
            }
    
            // Return error if period is greater than life
            if (period > life) {
                return error.num;
            }
    
            // Return 0 (zero) if salvage is greater than or equal to cost
            if (salvage >= cost) {
                return 0;
            }
    
            // Rate is rounded to three decimals places
            var rate = (1 - Math.pow(salvage / cost, 1 / life)).toFixed(3);
    
            // Compute initial depreciation
            var initial = cost * rate * month / 12;
    
            // Compute total depreciation
            var total = initial;
            var current = 0;
            var ceiling = (period === life) ? life - 1 : period;
            for (var i = 2; i <= ceiling; i++) {
                current = (cost - total) * rate;
                total += current;
            }
    
            // Depreciation for the first and last periods are special cases
            if (period === 1) {
                // First period
                return initial;
            } else if (period === life) {
                // Last period
                return (cost - total) * rate;
            } else {
                return current;
            }
        };
    
        exports.DDB = function(cost, salvage, life, period, factor) {
            // Initialize factor
            factor = (factor === undefined) ? 2 : factor;
    
            cost = utils.parseNumber(cost);
            salvage = utils.parseNumber(salvage);
            life = utils.parseNumber(life);
            period = utils.parseNumber(period);
            factor = utils.parseNumber(factor);
            if (utils.anyIsError(cost, salvage, life, period, factor)) {
                return error.value;
            }
    
            // Return error if any of the parameters is negative or if factor is
                // null
            if (cost < 0 || salvage < 0 || life < 0 || period < 0 || factor <= 0) {
                return error.num;
            }
    
            // Return error if period is greater than life
            if (period > life) {
                return error.num;
            }
    
            // Return 0 (zero) if salvage is greater than or equal to cost
            if (salvage >= cost) {
                return 0;
            }
    
            // Compute depreciation
            var total = 0;
            var current = 0;
            for (var i = 1; i <= period; i++) {
                current = Math.min((cost - total) * (factor / life), (cost - salvage - total));
                total += current;
            }
    
            // Return depreciation
            return current;
        };
    
        exports.DISC = null;
    
        exports.DOLLARDE = function(dollar, fraction) {
            // Credits: algorithm inspired by Apache OpenOffice
    
            dollar = utils.parseNumber(dollar);
            fraction = utils.parseNumber(fraction);
            if (utils.anyIsError(dollar, fraction)) {
                return error.value;
            }
    
            // Return error if fraction is negative
            if (fraction < 0) {
                return error.num;
            }
    
            // Return error if fraction is greater than or equal to 0 and less than
                // 1
            if (fraction >= 0 && fraction < 1) {
                return error.div0;
            }
    
            // Truncate fraction if it is not an integer
            fraction = parseInt(fraction, 10);
    
            // Compute integer part
            var result = parseInt(dollar, 10);
    
            // Add decimal part
            result += (dollar % 1) * Math.pow(10, Math.ceil(Math.log(fraction) / Math.LN10)) / fraction;
    
            // Round result
            var power = Math.pow(10, Math.ceil(Math.log(fraction) / Math.LN2) + 1);
            result = Math.round(result * power) / power;
    
            // Return converted dollar price
            return result;
        };
    
        exports.DOLLARFR = function(dollar, fraction) {
            // Credits: algorithm inspired by Apache OpenOffice
    
            dollar = utils.parseNumber(dollar);
            fraction = utils.parseNumber(fraction);
            if (utils.anyIsError(dollar, fraction)) {
                return error.value;
            }
    
            // Return error if fraction is negative
            if (fraction < 0) {
                return error.num;
            }
    
            // Return error if fraction is greater than or equal to 0 and less than
                // 1
            if (fraction >= 0 && fraction < 1) {
                return error.div0;
            }
    
            // Truncate fraction if it is not an integer
            fraction = parseInt(fraction, 10);
    
            // Compute integer part
            var result = parseInt(dollar, 10);
    
            // Add decimal part
            result += (dollar % 1) * Math.pow(10, -Math.ceil(Math.log(fraction) / Math.LN10)) * fraction;
    
            // Return converted dollar price
            return result;
        };
    
        exports.DURATION = null;
    
        exports.EFFECT = function(rate, periods) {
            rate = utils.parseNumber(rate);
            periods = utils.parseNumber(periods);
            if (utils.anyIsError(rate, periods)) {
                return error.value;
            }
    
            // Return error if rate <=0 or periods < 1
            if (rate <= 0 || periods < 1) {
                return error.num;
            }
    
            // Truncate periods if it is not an integer
            periods = parseInt(periods, 10);
    
            // Return effective annual interest rate
            return Math.pow(1 + rate / periods, periods) - 1;
        };
    
        exports.FV = function(rate, periods, payment, value, type) {
            // Credits: algorithm inspired by Apache OpenOffice
    
            value = value || 0;
            type = type || 0;
    
            rate = utils.parseNumber(rate);
            periods = utils.parseNumber(periods);
            payment = utils.parseNumber(payment);
            value = utils.parseNumber(value);
            type = utils.parseNumber(type);
            if (utils.anyIsError(rate, periods, payment, value, type)) {
                return error.value;
            }
    
            // Return future value
            var result;
            if (rate === 0) {
                result = value + payment * periods;
            } else {
                var term = Math.pow(1 + rate, periods);
                if (type === 1) {
                    result = value * term + payment * (1 + rate) * (term - 1) / rate;
                } else {
                    result = value * term + payment * (term - 1) / rate;
                }
            }
            return -result;
        };
    
        exports.FVSCHEDULE = function(principal, schedule) {
            principal = utils.parseNumber(principal);
            schedule = utils.parseNumberArray(utils.flatten(schedule));
            if (utils.anyIsError(principal, schedule)) {
                return error.value;
            }
    
            var n = schedule.length;
            var future = principal;
    
            // Apply all interests in schedule
            for (var i = 0; i < n; i++) {
                // Apply scheduled interest
                future *= 1 + schedule[i];
            }
    
            // Return future value
            return future;
        };
    
        exports.INTRATE = null;
    
        exports.IPMT = function(rate, period, periods, present, future, type) {
            // Credits: algorithm inspired by Apache OpenOffice
    
            future = future || 0;
            type = type || 0;
    
            rate = utils.parseNumber(rate);
            period = utils.parseNumber(period);
            periods = utils.parseNumber(periods);
            present = utils.parseNumber(present);
            future = utils.parseNumber(future);
            type = utils.parseNumber(type);
            if (utils.anyIsError(rate, period, periods, present, future, type)) {
                return error.value;
            }
    
            // Compute payment
            var payment = exports.PMT(rate, periods, present, future, type);
    
            // Compute interest
            var interest;
            if (period === 1) {
                if (type === 1) {
                    interest = 0;
                } else {
                    interest = -present;
                }
            } else {
                if (type === 1) {
                    interest = exports.FV(rate, period - 2, payment, present, 1) - payment;
                } else {
                    interest = exports.FV(rate, period - 1, payment, present, 0);
                }
            }
    
            // Return interest
            return interest * rate;
        };
    
        exports.IRR = function(values, guess) {
            // Credits: algorithm inspired by Apache OpenOffice
    
            guess = guess || 0;
    
            values = utils.parseNumberArray(utils.flatten(values));
            guess = utils.parseNumber(guess);
            if (utils.anyIsError(values, guess)) {
                return error.value;
            }
    
            // Calculates the resulting amount
            var irrResult = function(values, dates, rate) {
                var r = rate + 1;
                var result = values[0];
                for (var i = 1; i < values.length; i++) {
                    result += values[i] / Math.pow(r, (dates[i] - dates[0]) / 365);
                }
                return result;
            };
    
            // Calculates the first derivation
            var irrResultDeriv = function(values, dates, rate) {
                var r = rate + 1;
                var result = 0;
                for (var i = 1; i < values.length; i++) {
                    var frac = (dates[i] - dates[0]) / 365;
                    result -= frac * values[i] / Math.pow(r, frac + 1);
                }
                return result;
            };
    
            // Initialize dates and check that values contains at least one positive
                // value and one negative value
            var dates = [];
            var positive = false;
            var negative = false;
            for (var i = 0; i < values.length; i++) {
                dates[i] = (i === 0) ? 0 : dates[i - 1] + 365;
                if (values[i] > 0) {
                    positive = true;
                }
                if (values[i] < 0) {
                    negative = true;
                }
            }
    
            // Return error if values does not contain at least one positive value
                // and one negative value
            if (!positive || !negative) {
                return error.num;
            }
    
            // Initialize guess and resultRate
            guess = (guess === undefined) ? 0.1 : guess;
            var resultRate = guess;
    
            // Set maximum epsilon for end of iteration
            var epsMax = 1e-10;
    
            // Implement Newton's method
            var newRate, epsRate, resultValue;
            var contLoop = true;
            do {
                resultValue = irrResult(values, dates, resultRate);
                newRate = resultRate - resultValue / irrResultDeriv(values, dates, resultRate);
                epsRate = Math.abs(newRate - resultRate);
                resultRate = newRate;
                contLoop = (epsRate > epsMax) && (Math.abs(resultValue) > epsMax);
            } while (contLoop);
    
            // Return internal rate of return
            return resultRate;
        };
    
        exports.ISPMT = function(rate, period, periods, value) {
            rate = utils.parseNumber(rate);
            period = utils.parseNumber(period);
            periods = utils.parseNumber(periods);
            value = utils.parseNumber(value);
            if (utils.anyIsError(rate, period, periods, value)) {
                return error.value;
            }
    
            // Return interest
            return value * rate * (period / periods - 1);
        };
    
        exports.MDURATION = null;
    
        exports.MIRR = function(values, finance_rate, reinvest_rate) {
            values = utils.parseNumberArray(utils.flatten(values));
            finance_rate = utils.parseNumber(finance_rate);
            reinvest_rate = utils.parseNumber(reinvest_rate);
            if (utils.anyIsError(values, finance_rate, reinvest_rate)) {
                return error.value;
            }
    
            // Initialize number of values
            var n = values.length;
    
            // Lookup payments (negative values) and incomes (positive values)
            var payments = [];
            var incomes = [];
            for (var i = 0; i < n; i++) {
                if (values[i] < 0) {
                    payments.push(values[i]);
                } else {
                    incomes.push(values[i]);
                }
            }
    
            // Return modified internal rate of return
            var num = -exports.NPV(reinvest_rate, incomes) * Math.pow(1 + reinvest_rate, n - 1);
            var den = exports.NPV(finance_rate, payments) * (1 + finance_rate);
            return Math.pow(num / den, 1 / (n - 1)) - 1;
        };
    
        exports.NOMINAL = function(rate, periods) {
            rate = utils.parseNumber(rate);
            periods = utils.parseNumber(periods);
            if (utils.anyIsError(rate, periods)) {
                return error.value;
            }
    
            // Return error if rate <=0 or periods < 1
            if (rate <= 0 || periods < 1) {
                return error.num;
            }
    
            // Truncate periods if it is not an integer
            periods = parseInt(periods, 10);
    
            // Return nominal annual interest rate
            return (Math.pow(rate + 1, 1 / periods) - 1) * periods;
        };
    
        exports.NPER = function(rate, payment, present, future, type) {
            type = (type === undefined) ? 0 : type;
            future = (future === undefined) ? 0 : future;
    
            rate = utils.parseNumber(rate);
            payment = utils.parseNumber(payment);
            present = utils.parseNumber(present);
            future = utils.parseNumber(future);
            type = utils.parseNumber(type);
            if (utils.anyIsError(rate, payment, present, future, type)) {
                return error.value;
            }
    
            // Return number of periods
            var num = payment * (1 + rate * type) - future * rate;
            var den = (present * rate + payment * (1 + rate * type));
            return Math.log(num / den) / Math.log(1 + rate);
        };
    
        exports.NPV = function() {
            var args = utils.parseNumberArray(utils.flatten(arguments));
            if (args instanceof Error) {
                return args;
            }
    
            // Lookup rate
            var rate = args[0];
    
            // Initialize net present value
            var value = 0;
    
            // Loop on all values
            for (var j = 1; j < args.length; j++) {
                value += args[j] / Math.pow(1 + rate, j);
            }
    
            // Return net present value
            return value;
        };
    
        exports.ODDFPRICE = null;
    
        exports.ODDFYIELD = null;
    
        exports.ODDLPRICE = null;
    
        exports.ODDLYIELD = null;
    
        exports.PDURATION = function(rate, present, future) {
            rate = utils.parseNumber(rate);
            present = utils.parseNumber(present);
            future = utils.parseNumber(future);
            if (utils.anyIsError(rate, present, future)) {
                return error.value;
            }
    
            // Return error if rate <=0
            if (rate <= 0) {
                return error.num;
            }
    
            // Return number of periods
            return (Math.log(future) - Math.log(present)) / Math.log(1 + rate);
        };
    
        exports.PMT = function(rate, periods, present, future, type) {
            // Credits: algorithm inspired by Apache OpenOffice
    
            future = future || 0;
            type = type || 0;
    
            rate = utils.parseNumber(rate);
            periods = utils.parseNumber(periods);
            present = utils.parseNumber(present);
            future = utils.parseNumber(future);
            type = utils.parseNumber(type);
            if (utils.anyIsError(rate, periods, present, future, type)) {
                return error.value;
            }
    
            // Return payment
            var result;
            if (rate === 0) {
                result = (present + future) / periods;
            } else {
                var term = Math.pow(1 + rate, periods);
                if (type === 1) {
                    result = (future * rate / (term - 1) + present * rate / (1 - 1 / term)) / (1 + rate);
                } else {
                    result = future * rate / (term - 1) + present * rate / (1 - 1 / term);
                }
            }
            return -result;
        };
    
        exports.PPMT = function(rate, period, periods, present, future, type) {
            future = future || 0;
            type = type || 0;
    
            rate = utils.parseNumber(rate);
            periods = utils.parseNumber(periods);
            present = utils.parseNumber(present);
            future = utils.parseNumber(future);
            type = utils.parseNumber(type);
            if (utils.anyIsError(rate, periods, present, future, type)) {
                return error.value;
            }
    
            return exports.PMT(rate, periods, present, future, type) - exports.IPMT(rate, period, periods, present, future, type);
        };
    
        exports.PRICE = null;
    
        exports.PRICEDISC = null;
    
        exports.PRICEMAT = null;
    
        exports.PV = function(rate, periods, payment, future, type) {
            future = future || 0;
            type = type || 0;
    
            rate = utils.parseNumber(rate);
            periods = utils.parseNumber(periods);
            payment = utils.parseNumber(payment);
            future = utils.parseNumber(future);
            type = utils.parseNumber(type);
            if (utils.anyIsError(rate, periods, payment, future, type)) {
                return error.value;
            }
    
            // Return present value
            if (rate === 0) {
                return -payment * periods - future;
            } else {
                return (((1 - Math.pow(1 + rate, periods)) / rate) * payment * (1 + rate * type) - future) / Math.pow(1 + rate, periods);
            }
        };
    
        exports.RATE = function(periods, payment, present, future, type, guess) {
            // Credits: rabugento
    
            guess = (guess === undefined) ? 0.01 : guess;
            future = (future === undefined) ? 0 : future;
            type = (type === undefined) ? 0 : type;
    
            periods = utils.parseNumber(periods);
            payment = utils.parseNumber(payment);
            present = utils.parseNumber(present);
            future = utils.parseNumber(future);
            type = utils.parseNumber(type);
            guess = utils.parseNumber(guess);
            if (utils.anyIsError(periods, payment, present, future, type, guess)) {
                return error.value;
            }
    
            // Set maximum epsilon for end of iteration
            var epsMax = 1e-6;
    
            // Set maximum number of iterations
            var iterMax = 100;
            var iter = 0;
            var close = false;
            var rate = guess;
    
            while (iter < iterMax && !close) {
                var t1 = Math.pow(rate + 1, periods);
                var t2 = Math.pow(rate + 1, periods - 1);
    
                var f1 = future + t1 * present + payment * (t1 - 1) * (rate * type + 1) / rate;
                var f2 = periods * t2 * present - payment * (t1 - 1) *(rate * type + 1) / Math.pow(rate,2);
                var f3 = periods * payment * t2 * (rate * type + 1) / rate + payment * (t1 - 1) * type / rate;
    
                var newRate = rate - f1 / (f2 + f3);
    
                if (Math.abs(newRate - rate) < epsMax) close = true;
                iter++
                rate = newRate;
            }
    
            if (!close) return Number.NaN + rate;
            return rate;
        };
    
        // TODO
        exports.RECEIVED = null;
    
        exports.RRI = function(periods, present, future) {
            periods = utils.parseNumber(periods);
            present = utils.parseNumber(present);
            future = utils.parseNumber(future);
            if (utils.anyIsError(periods, present, future)) {
                return error.value;
            }
    
            // Return error if periods or present is equal to 0 (zero)
            if (periods === 0 || present === 0) {
                return error.num;
            }
    
            // Return equivalent interest rate
            return Math.pow(future / present, 1 / periods) - 1;
        };
    
        exports.SLN = function(cost, salvage, life) {
            cost = utils.parseNumber(cost);
            salvage = utils.parseNumber(salvage);
            life = utils.parseNumber(life);
            if (utils.anyIsError(cost, salvage, life)) {
                return error.value;
            }
    
            // Return error if life equal to 0 (zero)
            if (life === 0) {
                return error.num;
            }
    
            // Return straight-line depreciation
            return (cost - salvage) / life;
        };
    
        exports.SYD = function(cost, salvage, life, period) {
            // Return error if any of the parameters is not a number
            cost = utils.parseNumber(cost);
            salvage = utils.parseNumber(salvage);
            life = utils.parseNumber(life);
            period = utils.parseNumber(period);
            if (utils.anyIsError(cost, salvage, life, period)) {
                return error.value;
            }
    
            // Return error if life equal to 0 (zero)
            if (life === 0) {
                return error.num;
            }
    
            // Return error if period is lower than 1 or greater than life
            if (period < 1 || period > life) {
                return error.num;
            }
    
            // Truncate period if it is not an integer
            period = parseInt(period, 10);
    
            // Return straight-line depreciation
            return ((cost - salvage) * (life - period + 1) * 2) / (life * (life + 1));
        };
    
        exports.TBILLEQ = function(settlement, maturity, discount) {
            settlement = utils.parseDate(settlement);
            maturity = utils.parseDate(maturity);
            discount = utils.parseNumber(discount);
            if (utils.anyIsError(settlement, maturity, discount)) {
                return error.value;
            }
    
            // Return error if discount is lower than or equal to zero
            if (discount <= 0) {
                return error.num;
            }
    
            // Return error if settlement is greater than maturity
            if (settlement > maturity) {
                return error.num;
            }
    
            // Return error if maturity is more than one year after settlement
            if (maturity - settlement > 365 * 24 * 60 * 60 * 1000) {
                return error.num;
            }
    
            // Return bond-equivalent yield
            return (365 * discount) / (360 - discount * DAYS360(settlement, maturity, false));
        };
    
        exports.TBILLPRICE = function(settlement, maturity, discount) {
            settlement = utils.parseDate(settlement);
            maturity = utils.parseDate(maturity);
            discount = utils.parseNumber(discount);
            if (utils.anyIsError(settlement, maturity, discount)) {
                return error.value;
            }
    
            // Return error if discount is lower than or equal to zero
            if (discount <= 0) {
                return error.num;
            }
    
            // Return error if settlement is greater than maturity
            if (settlement > maturity) {
                return error.num;
            }
    
            // Return error if maturity is more than one year after settlement
            if (maturity - settlement > 365 * 24 * 60 * 60 * 1000) {
                return error.num;
            }
    
            // Return bond-equivalent yield
            return 100 * (1 - discount * DAYS360(settlement, maturity, false) / 360);
        };
    
        exports.TBILLYIELD = function(settlement, maturity, price) {
            settlement = utils.parseDate(settlement);
            maturity = utils.parseDate(maturity);
            price = utils.parseNumber(price);
            if (utils.anyIsError(settlement, maturity, price)) {
                return error.value;
            }
    
            // Return error if price is lower than or equal to zero
            if (price <= 0) {
                return error.num;
            }
    
            // Return error if settlement is greater than maturity
            if (settlement > maturity) {
                return error.num;
            }
    
            // Return error if maturity is more than one year after settlement
            if (maturity - settlement > 365 * 24 * 60 * 60 * 1000) {
                return error.num;
            }
    
            // Return bond-equivalent yield
            return (100 - price) * 360 / (price * DAYS360(settlement, maturity, false));
        };
    
        exports.VDB = null;
    
        exports.XIRR = function(values, dates, guess) {
            // Credits: algorithm inspired by Apache OpenOffice
    
            values = utils.parseNumberArray(utils.flatten(values));
            dates = utils.parseDateArray(utils.flatten(dates));
            guess = utils.parseNumber(guess);
            if (utils.anyIsError(values, dates, guess)) {
                return error.value;
            }
    
            // Calculates the resulting amount
            var irrResult = function(values, dates, rate) {
                var r = rate + 1;
                var result = values[0];
                for (var i = 1; i < values.length; i++) {
                    result += values[i] / Math.pow(r, DAYS(dates[i], dates[0]) / 365);
                }
                return result;
            };
    
            // Calculates the first derivation
            var irrResultDeriv = function(values, dates, rate) {
                var r = rate + 1;
                var result = 0;
                for (var i = 1; i < values.length; i++) {
                    var frac = DAYS(dates[i], dates[0]) / 365;
                    result -= frac * values[i] / Math.pow(r, frac + 1);
                }
                return result;
            };
    
            // Check that values contains at least one positive value and one
                // negative value
            var positive = false;
            var negative = false;
            for (var i = 0; i < values.length; i++) {
                if (values[i] > 0) {
                    positive = true;
                }
                if (values[i] < 0) {
                    negative = true;
                }
            }
    
            // Return error if values does not contain at least one positive value
                // and one negative value
            if (!positive || !negative) {
                return error.num;
            }
    
            // Initialize guess and resultRate
            guess = guess || 0.1;
            var resultRate = guess;
    
            // Set maximum epsilon for end of iteration
            var epsMax = 1e-10;
    
            // Implement Newton's method
            var newRate, epsRate, resultValue;
            var contLoop = true;
            do {
                resultValue = irrResult(values, dates, resultRate);
                newRate = resultRate - resultValue / irrResultDeriv(values, dates, resultRate);
                epsRate = Math.abs(newRate - resultRate);
                resultRate = newRate;
                contLoop = (epsRate > epsMax) && (Math.abs(resultValue) > epsMax);
            } while (contLoop);
    
            // Return internal rate of return
            return resultRate;
        };
    
        exports.XNPV = function(rate, values, dates) {
            rate = utils.parseNumber(rate);
            values = utils.parseNumberArray(utils.flatten(values));
            dates = utils.parseDateArray(utils.flatten(dates));
            if (utils.anyIsError(rate, values, dates)) {
                return error.value;
            }
    
            var result = 0;
            for (var i = 0; i < values.length; i++) {
                result += values[i] / Math.pow(1 + rate, DAYS(dates[i], dates[0]) / 365);
            }
            return result;
        };
    
        exports.YIELD = null;
    
        exports.YIELDDISC = null;
    
        exports.YIELDMAT = null;
    
        return exports;
    })();
    
    jexcel.methods.information = (function() {
        var exports = {};
        exports.CELL = null;
    
        exports.ERROR = {};
        exports.ERROR.TYPE = function(error_val) {
            switch (error_val) {
                case error.nil: return 1;
                case error.div0: return 2;
                case error.value: return 3;
                case error.ref: return 4;
                case error.name: return 5;
                case error.num: return 6;
                case error.na: return 7;
                case error.data: return 8;
            }
            return error.na;
        };
    
        exports.INFO = null;
    
        exports.ISBLANK = function(value) {
            return value === null;
        };
    
        exports.ISBINARY = function (number) {
            return (/^[01]{1,10}$/).test(number);
        };
    
        exports.ISERR = function(value) {
            return ([error.value, error.ref, error.div0, error.num, error.name, error.nil]).indexOf(value) >= 0 ||
                (typeof value === 'number' && (isNaN(value) || !isFinite(value)));
        };
    
        exports.ISERROR = function(value) {
            return exports.ISERR(value) || value === error.na;
        };
    
        exports.ISEVEN = function(number) {
            return (Math.floor(Math.abs(number)) & 1) ? false : true;
        };
    
        // TODO
        exports.ISFORMULA = null;
    
        exports.ISLOGICAL = function(value) {
            return value === true || value === false;
        };
    
        exports.ISNA = function(value) {
            return value === error.na;
        };
    
        exports.ISNONTEXT = function(value) {
            return typeof(value) !== 'string';
        };
    
        exports.ISNUMBER = function(value) {
            return typeof(value) === 'number' && !isNaN(value) && isFinite(value);
        };
    
        exports.ISODD = function(number) {
            return (Math.floor(Math.abs(number)) & 1) ? true : false;
        };
    
        exports.ISREF = null;
    
        exports.ISTEXT = function(value) {
            return typeof(value) === 'string';
        };
    
        exports.N = function(value) {
            if (this.ISNUMBER(value)) {
                return value;
            }
            if (value instanceof Date) {
                return value.getTime();
            }
            if (value === true) {
                return 1;
            }
            if (value === false) {
                return 0;
            }
            if (this.ISERROR(value)) {
                return value;
            }
            return 0;
        };
    
        exports.NA = function() {
            return error.na;
        };
    
        exports.SHEET = null;
    
        exports.SHEETS = null;
    
        exports.TYPE = function(value) {
            if (this.ISNUMBER(value)) {
                return 1;
            }
            if (this.ISTEXT(value)) {
                return 2;
            }
            if (this.ISLOGICAL(value)) {
                return 4;
            }
            if (this.ISERROR(value)) {
                return 16;
            }
            if (Array.isArray(value)) {
                return 64;
            }
        };
    
        return exports;
    })();
    
    jexcel.methods.logical = (function() {
        var exports = {};
    
        exports.AND = function() {
            var args = utils.flatten(arguments);
            var result = true;
            for (var i = 0; i < args.length; i++) {
                if (!args[i]) {
                    result = false;
                }
            }
            return result;
        };
    
        exports.CHOOSE = function() {
            if (arguments.length < 2) {
                return error.na;
            }
    
            var index = arguments[0];
            if (index < 1 || index > 254) {
                return error.value;
            }
    
            if (arguments.length < index + 1) {
                return error.value;
            }
    
            return arguments[index];
        };
    
        exports.FALSE = function() {
            return false;
        };
    
        exports.IF = function(test, then_value, otherwise_value) {
            return test ? then_value : otherwise_value;
        };
    
        exports.IFERROR = function(value, valueIfError) {
            if (ISERROR(value)) {
                return valueIfError;
            }
            return value;
        };
    
        exports.IFNA = function(value, value_if_na) {
            return value === error.na ? value_if_na : value;
        };
    
        exports.NOT = function(logical) {
            return !logical;
        };
    
        exports.OR = function() {
            var args = utils.flatten(arguments);
            var result = false;
            for (var i = 0; i < args.length; i++) {
                if (args[i]) {
                    result = true;
                }
            }
            return result;
        };
    
        exports.TRUE = function() {
            return true;
        };
    
        exports.XOR = function() {
            var args = utils.flatten(arguments);
            var result = 0;
            for (var i = 0; i < args.length; i++) {
                if (args[i]) {
                    result++;
                }
            }
            return (Math.floor(Math.abs(result)) & 1) ? true : false;
        };
    
        exports.SWITCH = function() {
            var result;
            if (arguments.length > 0)  {
                var targetValue = arguments[0];
                var argc = arguments.length - 1;
                var switchCount = Math.floor(argc / 2);
                var switchSatisfied = false;
                var defaultClause = argc % 2 === 0 ? null : arguments[arguments.length - 1];
    
                if (switchCount) {
                    for (var index = 0; index < switchCount; index++) {
                        if (targetValue === arguments[index * 2 + 1]) {
                          result = arguments[index * 2 + 2];
                          switchSatisfied = true;
                          break;
                        }
                    }
                }
    
                if (!switchSatisfied && defaultClause) {
                    result = defaultClause;
                }
            }
    
            return result;
        };
    
        return exports;
    })();
    
    jexcel.methods.math = (function() {
        var exports = {};
    
        exports.ABS = function(number) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            return Math.abs(utils.parseNumber(number));
        };
    
        exports.ACOS = function(number) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            return Math.acos(number);
        };
    
        exports.ACOSH = function(number) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            return Math.log(number + Math.sqrt(number * number - 1));
        };
    
        exports.ACOT = function(number) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            return Math.atan(1 / number);
        };
    
        exports.ACOTH = function(number) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            return 0.5 * Math.log((number + 1) / (number - 1));
        };
    
        exports.AGGREGATE = null
    
        exports.ARABIC = function(text) {
            // Credits: Rafa? Kukawski
            if (!/^M*(?:D?C{0,3}|C[MD])(?:L?X{0,3}|X[CL])(?:V?I{0,3}|I[XV])$/.test(text)) {
                return error.value;
            }
            var r = 0;
            text.replace(/[MDLV]|C[MD]?|X[CL]?|I[XV]?/g, function(i) {
                r += {
                    M: 1000,
                    CM: 900,
                    D: 500,
                    CD: 400,
                    C: 100,
                    XC: 90,
                    L: 50,
                    XL: 40,
                    X: 10,
                    IX: 9,
                    V: 5,
                    IV: 4,
                    I: 1
                }[i];
            });
            return r;
        };
    
        exports.ASIN = function(number) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            return Math.asin(number);
        };
    
        exports.ASINH = function(number) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            return Math.log(number + Math.sqrt(number * number + 1));
        };
    
        exports.ATAN = function(number) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            return Math.atan(number);
        };
    
        exports.ATAN2 = function(number_x, number_y) {
            number_x = utils.parseNumber(number_x);
            number_y = utils.parseNumber(number_y);
            if (utils.anyIsError(number_x, number_y)) {
                return error.value;
            }
            return Math.atan2(number_x, number_y);
        };
    
        exports.ATANH = function(number) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            return Math.log((1 + number) / (1 - number)) / 2;
        };
    
        exports.BASE = function(number, radix, min_length) {
            min_length = min_length || 0;
    
            number = utils.parseNumber(number);
            radix = utils.parseNumber(radix);
            min_length = utils.parseNumber(min_length);
            if (utils.anyIsError(number, radix, min_length)) {
                return error.value;
            }
            min_length = (min_length === undefined) ? 0 : min_length;
            var result = number.toString(radix);
            return new Array(Math.max(min_length + 1 - result.length, 0)).join('0') + result;
        };
    
        exports.CEILING = function(number, significance, mode) {
            significance = (significance === undefined) ? 1 : significance;
            mode = (mode === undefined) ? 0 : mode;
    
            number = utils.parseNumber(number);
            significance = utils.parseNumber(significance);
            mode = utils.parseNumber(mode);
            if (utils.anyIsError(number, significance, mode)) {
                return error.value;
            }
            if (significance === 0) {
                return 0;
            }
    
            significance = Math.abs(significance);
            if (number >= 0) {
                return Math.ceil(number / significance) * significance;
            } else {
                if (mode === 0) {
                    return -1 * Math.floor(Math.abs(number) / significance) * significance;
                } else {
                    return -1 * Math.ceil(Math.abs(number) / significance) * significance;
                }
            }
        };
    
        exports.CEILING.MATH = exports.CEILING;
    
        exports.CEILING.PRECISE = exports.CEILING;
    
        exports.COMBIN = function(number, number_chosen) {
            number = utils.parseNumber(number);
            number_chosen = utils.parseNumber(number_chosen);
            if (utils.anyIsError(number, number_chosen)) {
                return error.value;
            }
            return exports.FACT(number) / (exports.FACT(number_chosen) * exports.FACT(number - number_chosen));
        };
    
        exports.COMBINA = function(number, number_chosen) {
            number = utils.parseNumber(number);
            number_chosen = utils.parseNumber(number_chosen);
            if (utils.anyIsError(number, number_chosen)) {
                return error.value;
            }
            return (number === 0 && number_chosen === 0) ? 1 : exports.COMBIN(number + number_chosen - 1, number - 1);
        };
    
        exports.COS = function(number) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            return Math.cos(number);
        };
    
        exports.COSH = function(number) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            return (Math.exp(number) + Math.exp(-number)) / 2;
        };
    
        exports.COT = function(number) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            return 1 / Math.tan(number);
        };
    
        exports.COTH = function(number) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            var e2 = Math.exp(2 * number);
            return (e2 + 1) / (e2 - 1);
        };
    
        exports.CSC = function(number) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            return 1 / Math.sin(number);
        };
    
        exports.CSCH = function(number) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            return 2 / (Math.exp(number) - Math.exp(-number));
        };
    
        exports.DECIMAL = function(number, radix) {
            if (arguments.length < 1) {
                return error.value;
            }
    
    
            return parseInt(number, radix);
        };
    
        exports.DEGREES = function(number) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            return number * 180 / Math.PI;
        };
    
        exports.EVEN = function(number) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            return exports.CEILING(number, -2, -1);
        };
    
        exports.EXP = Math.exp;
    
        var MEMOIZED_FACT = [];
        exports.FACT = function(number) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            var n = Math.floor(number);
            if (n === 0 || n === 1) {
                return 1;
            } else if (MEMOIZED_FACT[n] > 0) {
                return MEMOIZED_FACT[n];
            } else {
                MEMOIZED_FACT[n] = exports.FACT(n - 1) * n;
                return MEMOIZED_FACT[n];
            }
        };
    
        exports.FACTDOUBLE = function(number) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            var n = Math.floor(number);
            if (n <= 0) {
                return 1;
            } else {
                return n * exports.FACTDOUBLE(n - 2);
            }
        };
    
        exports.FLOOR = function(number, significance, mode) {
            significance = (significance === undefined) ? 1 : significance;
            mode = (mode === undefined) ? 0 : mode;
    
            number = utils.parseNumber(number);
            significance = utils.parseNumber(significance);
            mode = utils.parseNumber(mode);
            if (utils.anyIsError(number, significance, mode)) {
                return error.value;
            }
            if (significance === 0) {
                return 0;
            }
    
            significance = Math.abs(significance);
            if (number >= 0) {
                return Math.floor(number / significance) * significance;
            } else {
                if (mode === 0) {
                    return -1 * Math.ceil(Math.abs(number) / significance) * significance;
                } else {
                    return -1 * Math.floor(Math.abs(number) / significance) * significance;
                }
            }
        };
    
        exports.FLOOR.MATH = exports.FLOOR;
    
        exports.GCD = null;
    
        exports.INT = function(number) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            return Math.floor(number);
        };
    
        exports.LCM = function() {
            // Credits: Jonas Raoni Soares Silva
            var o = utils.parseNumberArray(utils.flatten(arguments));
            if (o instanceof Error) {
                return o;
            }
            for (var i, j, n, d, r = 1;
                (n = o.pop()) !== undefined;) {
                while (n > 1) {
                    if (n % 2) {
                        for (i = 3, j = Math.floor(Math.sqrt(n)); i <= j && n % i; i += 2) {
                          //empty
                        }
                        d = (i <= j) ? i : n;
                    } else {
                        d = 2;
                    }
                    for (n /= d, r *= d, i = o.length; i;
                        (o[--i] % d) === 0 && (o[i] /= d) === 1 && o.splice(i, 1)) {
                        //empty
                    }
                }
            }
            return r;
        };
    
        exports.LN = function(number) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            return Math.log(number);
        };
    
        exports.LOG = function(number, base) {
            number = utils.parseNumber(number);
            base = (base === undefined) ? 10 : utils.parseNumber(base);
    
            if (utils.anyIsError(number, base)) {
                return error.value;
            }
    
            return Math.log(number) / Math.log(base);
        };
    
        exports.LOG10 = function(number) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            return Math.log(number) / Math.log(10);
        };
    
        exports.MDETERM = null;
    
        exports.MINVERSE = null;
    
        exports.MMULT = null;
    
        exports.MOD = function(dividend, divisor) {
            dividend = utils.parseNumber(dividend);
            divisor = utils.parseNumber(divisor);
            if (utils.anyIsError(dividend, divisor)) {
                return error.value;
            }
            if (divisor === 0) {
                return error.div0;
            }
            var modulus = Math.abs(dividend % divisor);
            return (divisor > 0) ? modulus : -modulus;
        };
    
        exports.MROUND = function(number, multiple) {
            number = utils.parseNumber(number);
            multiple = utils.parseNumber(multiple);
            if (utils.anyIsError(number, multiple)) {
                return error.value;
            }
            if (number * multiple < 0) {
                return error.num;
            }
    
            return Math.round(number / multiple) * multiple;
        };
    
        exports.MULTINOMIAL = function() {
            var args = utils.parseNumberArray(utils.flatten(arguments));
            if (args instanceof Error) {
                return args;
            }
            var sum = 0;
            var divisor = 1;
            for (var i = 0; i < args.length; i++) {
                sum += args[i];
                divisor *= exports.FACT(args[i]);
            }
            return exports.FACT(sum) / divisor;
        };
    
        exports.MUNIT = null;
    
        exports.ODD = function(number) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            var temp = Math.ceil(Math.abs(number));
            temp = (temp & 1) ? temp : temp + 1;
            return (number > 0) ? temp : -temp;
        };
    
        exports.PI = function() {
            return Math.PI;
        };
    
        exports.POWER = function(number, power) {
            number = utils.parseNumber(number);
            power = utils.parseNumber(power);
            if (utils.anyIsError(number, power)) {
                return error.value;
            }
            var result = Math.pow(number, power);
            if (isNaN(result)) {
                return error.num;
            }
    
            return result;
        };
    
        exports.PRODUCT = function() {
            var args = utils.parseNumberArray(utils.flatten(arguments));
            if (args instanceof Error) {
                return args;
            }
            var result = 1;
            for (var i = 0; i < args.length; i++) {
                result *= args[i];
            }
            return result;
        };
    
        exports.QUOTIENT = function(numerator, denominator) {
            numerator = utils.parseNumber(numerator);
            denominator = utils.parseNumber(denominator);
            if (utils.anyIsError(numerator, denominator)) {
                return error.value;
            }
            return parseInt(numerator / denominator, 10);
        };
    
        exports.RADIANS = function(number) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            return number * Math.PI / 180;
        };
    
        exports.RAND = function() {
            return Math.random();
        };
    
        exports.RANDBETWEEN = function(bottom, top) {
            bottom = utils.parseNumber(bottom);
            top = utils.parseNumber(top);
            if (utils.anyIsError(bottom, top)) {
                return error.value;
            }
            // Creative Commons Attribution 3.0 License
            // Copyright (c) 2012 eqcode
            return bottom + Math.ceil((top - bottom + 1) * Math.random()) - 1;
        };
    
        exports.ROMAN = null;
    
        exports.ROUND = function(number, digits) {
            number = utils.parseNumber(number);
            digits = utils.parseNumber(digits);
            if (utils.anyIsError(number, digits)) {
                return error.value;
            }
            return Math.round(number * Math.pow(10, digits)) / Math.pow(10, digits);
        };
    
        exports.ROUNDDOWN = function(number, digits) {
            number = utils.parseNumber(number);
            digits = utils.parseNumber(digits);
            if (utils.anyIsError(number, digits)) {
                return error.value;
            }
            var sign = (number > 0) ? 1 : -1;
            return sign * (Math.floor(Math.abs(number) * Math.pow(10, digits))) / Math.pow(10, digits);
        };
    
        exports.ROUNDUP = function(number, digits) {
            number = utils.parseNumber(number);
            digits = utils.parseNumber(digits);
            if (utils.anyIsError(number, digits)) {
                return error.value;
            }
            var sign = (number > 0) ? 1 : -1;
            return sign * (Math.ceil(Math.abs(number) * Math.pow(10, digits))) / Math.pow(10, digits);
        };
    
        exports.SEC = function(number) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            return 1 / Math.cos(number);
        };
    
        exports.SECH = function(number) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            return 2 / (Math.exp(number) + Math.exp(-number));
        };
    
        exports.SERIESSUM = function(x, n, m, coefficients) {
            x = utils.parseNumber(x);
            n = utils.parseNumber(n);
            m = utils.parseNumber(m);
            coefficients = utils.parseNumberArray(coefficients);
            if (utils.anyIsError(x, n, m, coefficients)) {
                return error.value;
            }
            var result = coefficients[0] * Math.pow(x, n);
            for (var i = 1; i < coefficients.length; i++) {
                result += coefficients[i] * Math.pow(x, n + i * m);
            }
            return result;
        };
    
        exports.SIGN = function(number) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            if (number < 0) {
                return -1;
            } else if (number === 0) {
                return 0;
            } else {
                return 1;
            }
        };
    
        exports.SIN = function(number) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            return Math.sin(number);
        };
    
        exports.SINH = function(number) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            return (Math.exp(number) - Math.exp(-number)) / 2;
        };
    
        exports.SQRT = function(number) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            if (number < 0) {
                return error.num;
            }
            return Math.sqrt(number);
        };
    
        exports.SQRTPI = function(number) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            return Math.sqrt(number * Math.PI);
        };
    
        exports.SUBTOTAL = null;
    
        exports.ADD = function (num1, num2) {
            if (arguments.length !== 2) {
                return error.na;
            }
    
            num1 = utils.parseNumber(num1);
            num2 = utils.parseNumber(num2);
            if (utils.anyIsError(num1, num2)) {
                return error.value;
            }
    
            return num1 + num2;
        };
    
        exports.MINUS = function (num1, num2) {
            if (arguments.length !== 2) {
                return error.na;
            }
    
            num1 = utils.parseNumber(num1);
            num2 = utils.parseNumber(num2);
            if (utils.anyIsError(num1, num2)) {
                return error.value;
            }
    
            return num1 - num2;
        };
    
        exports.DIVIDE = function (dividend, divisor) {
            if (arguments.length !== 2) {
                return error.na;
            }
    
            dividend = utils.parseNumber(dividend);
            divisor = utils.parseNumber(divisor);
            if (utils.anyIsError(dividend, divisor)) {
                return error.value;
            }
    
            if (divisor === 0) {
                return error.div0;
            }
    
            return dividend / divisor;
        };
    
        exports.MULTIPLY = function (factor1, factor2) {
            if (arguments.length !== 2) {
                return error.na;
            }
    
            factor1 = utils.parseNumber(factor1);
            factor2 = utils.parseNumber(factor2);
            if (utils.anyIsError(factor1, factor2)) {
                return error.value;
            }
    
            return factor1 * factor2;
        };
    
        exports.GTE = function (num1, num2) {
            if (arguments.length !== 2) {
                return error.na;
            }
    
            num1 = utils.parseNumber(num1);
            num2 = utils.parseNumber(num2);
            if (utils.anyIsError(num1, num2)) {
                return error.error;
            }
    
            return num1 >= num2;
        };
    
        exports.LT = function (num1, num2) {
            if (arguments.length !== 2) {
                return error.na;
            }
    
            num1 = utils.parseNumber(num1);
            num2 = utils.parseNumber(num2);
            if (utils.anyIsError(num1, num2)) {
                return error.error;
            }
    
            return num1 < num2;
        };
    
        exports.LTE = function (num1, num2) {
            if (arguments.length !== 2) {
                return error.na;
            }
    
            num1 = utils.parseNumber(num1);
            num2 = utils.parseNumber(num2);
            if (utils.anyIsError(num1, num2)) {
                return error.error;
            }
    
            return num1 <= num2;
        };
    
        exports.EQ = function (value1, value2) {
            if (arguments.length !== 2) {
                return error.na;
            }
    
            return value1 === value2;
        };
    
        exports.NE = function (value1, value2) {
            if (arguments.length !== 2) {
                return error.na;
            }
    
            return value1 !== value2;
        };
    
        exports.POW = function (base, exponent) {
            if (arguments.length !== 2) {
                return error.na;
            }
    
            base = utils.parseNumber(base);
            exponent = utils.parseNumber(exponent);
            if (utils.anyIsError(base, exponent)) {
                return error.error;
            }
    
            return exports.POWER(base, exponent);
        };
    
        exports.SUM = function() {
            var result = 0;
            var argsKeys = Object.keys(arguments);
            for (var i = 0; i < argsKeys.length; ++i) {
                var elt = arguments[argsKeys[i]];
                if (typeof elt === 'number') {
                    result += elt;
                } else if (typeof elt === 'string') {
                    var parsed = parseFloat(elt);
                    !isNaN(parsed) && (result += parsed);
                } else if (Array.isArray(elt)) {
                    result += exports.SUM.apply(null, elt);
                }
            }
            return result;
        };
    
        exports.SUMIF = function(range, criteria) {
            range = utils.parseNumberArray(utils.flatten(range));
            if (range instanceof Error) {
                return range;
            }
            var result = 0;
            for (var i = 0; i < range.length; i++) {
                result += (eval(range[i] + criteria)) ? range[i] : 0; // jshint ignore:line
            }
            return result;
        };
    
        exports.SUMIFS = function() {
            var args = utils.argsToArray(arguments);
            var range = utils.parseNumberArray(utils.flatten(args.shift()));
            if (range instanceof Error) {
                return range;
            }
            var criteria = args;
    
            var n_range_elements = range.length;
            var n_criterias = criteria.length;
    
            var result = 0;
            for (var i = 0; i < n_range_elements; i++) {
                var el = range[i];
                var condition = '';
                for (var c = 0; c < n_criterias; c++) {
                    condition += el + criteria[c];
                    if (c !== n_criterias - 1) {
                        condition += '&&';
                    }
                }
                if (eval(condition)) { // jshint ignore:line
                    result += el;
                }
            }
            return result;
        };
    
        exports.SUMPRODUCT = null;
    
        exports.SUMSQ = function() {
            var numbers = utils.parseNumberArray(utils.flatten(arguments));
            if (numbers instanceof Error) {
                return numbers;
            }
            var result = 0;
            var length = numbers.length;
            for (var i = 0; i < length; i++) {
                result += (ISNUMBER(numbers[i])) ? numbers[i] * numbers[i] : 0;
            }
            return result;
        };
    
        exports.SUMX2MY2 = function(array_x, array_y) {
            array_x = utils.parseNumberArray(utils.flatten(array_x));
            array_y = utils.parseNumberArray(utils.flatten(array_y));
            if (utils.anyIsError(array_x, array_y)) {
                return error.value;
            }
            var result = 0;
            for (var i = 0; i < array_x.length; i++) {
                result += array_x[i] * array_x[i] - array_y[i] * array_y[i];
            }
            return result;
        };
    
        exports.SUMX2PY2 = function(array_x, array_y) {
            array_x = utils.parseNumberArray(utils.flatten(array_x));
            array_y = utils.parseNumberArray(utils.flatten(array_y));
            if (utils.anyIsError(array_x, array_y)) {
                return error.value;
            }
            var result = 0;
            array_x = utils.parseNumberArray(utils.flatten(array_x));
            array_y = utils.parseNumberArray(utils.flatten(array_y));
            for (var i = 0; i < array_x.length; i++) {
                result += array_x[i] * array_x[i] + array_y[i] * array_y[i];
            }
            return result;
        };
    
        exports.SUMXMY2 = function(array_x, array_y) {
            array_x = utils.parseNumberArray(utils.flatten(array_x));
            array_y = utils.parseNumberArray(utils.flatten(array_y));
            if (utils.anyIsError(array_x, array_y)) {
                return error.value;
            }
            var result = 0;
            array_x = utils.flatten(array_x);
            array_y = utils.flatten(array_y);
            for (var i = 0; i < array_x.length; i++) {
                result += Math.pow(array_x[i] - array_y[i], 2);
            }
            return result;
        };
    
        exports.TAN = function(number) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            return Math.tan(number);
        };
    
        exports.TANH = function(number) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            var e2 = Math.exp(2 * number);
            return (e2 - 1) / (e2 + 1);
        };
    
        exports.TRUNC = function(number, digits) {
            digits = (digits === undefined) ? 0 : digits;
            number = utils.parseNumber(number);
            digits = utils.parseNumber(digits);
            if (utils.anyIsError(number, digits)) {
                return error.value;
            }
            var sign = (number > 0) ? 1 : -1;
            return sign * (Math.floor(Math.abs(number) * Math.pow(10, digits))) / Math.pow(10, digits);
        };
    
        return exports;
    })();
    
    jexcel.methods.misc = (function() {
        var exports = {};
    
        exports.UNIQUE = function () {
            var result = [];
            for (var i = 0; i < arguments.length; ++i) {
                var hasElement = false;
                var element = arguments[i];
    
                // Check if we've already seen this element.
                for (var j = 0; j < result.length; ++j) {
                    hasElement = result[j] === element;
                    if (hasElement) { break; }
                }
    
                // If we did not find it, add it to the result.
                if (!hasElement) {
                    result.push(element);
                }
            }
            return result;
        };
    
        exports.FLATTEN = utils.flatten;
    
        exports.ARGS2ARRAY = function () {
            return Array.prototype.slice.call(arguments, 0);
        };
    
        exports.REFERENCE = function (context, reference) {
            try {
                var path = reference.split('.');
                var result = context;
                for (var i = 0; i < path.length; ++i) {
                    var step = path[i];
                    if (step[step.length - 1] === ']') {
                        var opening = step.indexOf('[');
                        var index = step.substring(opening + 1, step.length - 1);
                        result = result[step.substring(0, opening)][index];
                    } else {
                        result = result[step];
                    }
                }
                return result;
            } catch (error) {}
        };
    
        exports.JOIN = function (array, separator) {
            return array.join(separator);
        };
    
        exports.NUMBERS = function () {
            var possibleNumbers = utils.flatten(arguments);
            return possibleNumbers.filter(function (el) {
                return typeof el === 'number';
            });
        };
    
        exports.NUMERAL = null;
    
        return exports;
    })();
    
    jexcel.methods.text = (function() {
        var exports = {};
    
        exports.ASC = null;
    
        exports.BAHTTEXT = null;
    
        exports.CHAR = function(number) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            return String.fromCharCode(number);
        };
    
        exports.CLEAN = function(text) {
            text = text || '';
            var re = /[\0-\x1F]/g;
            return text.replace(re, "");
        };
    
        exports.CODE = function(text) {
            text = text || '';
            return text.charCodeAt(0);
        };
    
        exports.CONCATENATE = function() {
            var args = utils.flatten(arguments);
    
            var trueFound = 0;
            while ((trueFound = args.indexOf(true)) > -1) {
                args[trueFound] = 'TRUE';
            }
    
            var falseFound = 0;
            while ((falseFound = args.indexOf(false)) > -1) {
                args[falseFound] = 'FALSE';
            }
    
            return args.join('');
        };
    
        exports.DBCS = null;
    
        exports.DOLLAR = null;
    
        exports.EXACT = function(text1, text2) {
            return text1 === text2;
        };
    
        exports.FIND = function(find_text, within_text, position) {
            position = (position === undefined) ? 0 : position;
            return within_text ? within_text.indexOf(find_text, position - 1) + 1 : null;
        };
    
        exports.FIXED = null;
    
        exports.HTML2TEXT = function (value) {
            var result = '';
    
            if (value) {
                if (value instanceof Array) {
                    value.forEach(function (line) {
                        if (result !== '') {
                          result += '\n';
                        }
                        result += (line.replace(/<(?:.|\n)*?>/gm, ''));
                    });
                } else {
                    result = value.replace(/<(?:.|\n)*?>/gm, '');
                }
            }
    
            return result;
        };
    
        exports.LEFT = function(text, number) {
            number = (number === undefined) ? 1 : number;
            number = utils.parseNumber(number);
            if (number instanceof Error || typeof text !== 'string') {
                return error.value;
            }
            return text ? text.substring(0, number) : null;
        };
    
        exports.LEN = function(text) {
            if (arguments.length === 0) {
                return error.error;
            }
    
            if (typeof text === 'string') {
                return text ? text.length : 0;
            }
    
            if (text.length) {
                return text.length;
            }
    
            return error.value;
        };
    
        exports.LOWER = function(text) {
            if (typeof text !== 'string') {
                return error.value;
            }
            return text ? text.toLowerCase() : text;
        };
    
        exports.MID = function(text, start, number) {
            start = utils.parseNumber(start);
            number = utils.parseNumber(number);
            if (utils.anyIsError(start, number) || typeof text !== 'string') {
                return number;
            }
    
            var begin = start - 1;
            var end = begin + number;
    
            return text.substring(begin, end);
        };
    
        exports.NUMBERVALUE = null;
    
        exports.PRONETIC = null;
    
        exports.PROPER = function(text) {
            if (text === undefined || text.length === 0) {
                return error.value;
            }
            if (text === true) {
                text = 'TRUE';
            }
            if (text === false) {
                text = 'FALSE';
            }
            if (isNaN(text) && typeof text === 'number') {
                return error.value;
            }
            if (typeof text === 'number') {
                text = '' + text;
            }
    
            return text.replace(/\w\S*/g, function(txt) {
                return txt.charAt(0).toUpperCase() + txt.substr(1).toLowerCase();
            });
        };
    
        exports.REGEXEXTRACT = function (text, regular_expression) {
            var match = text.match(new RegExp(regular_expression));
            return match ? (match[match.length > 1 ? match.length - 1 : 0]) : null;
        };
    
        exports.REGEXMATCH = function (text, regular_expression, full) {
            var match = text.match(new RegExp(regular_expression));
            return full ? match : !!match;
        };
    
        exports.REGEXREPLACE = function (text, regular_expression, replacement) {
            return text.replace(new RegExp(regular_expression), replacement);
        };
    
        exports.REPLACE = function(text, position, length, new_text) {
            position = utils.parseNumber(position);
            length = utils.parseNumber(length);
            if (utils.anyIsError(position, length) ||
                typeof text !== 'string' ||
                typeof new_text !== 'string') {
                return error.value;
            }
            return text.substr(0, position - 1) + new_text + text.substr(position - 1 + length);
        };
    
        exports.REPT = function(text, number) {
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            return new Array(number + 1).join(text);
        };
    
        exports.RIGHT = function(text, number) {
            number = (number === undefined) ? 1 : number;
            number = utils.parseNumber(number);
            if (number instanceof Error) {
                return number;
            }
            return text ? text.substring(text.length - number) : null;
        };
    
        exports.SEARCH = function(find_text, within_text, position) {
            var foundAt;
            if (typeof find_text !== 'string' || typeof within_text !== 'string') {
                return error.value;
            }
            position = (position === undefined) ? 0 : position;
            foundAt = within_text.toLowerCase().indexOf(find_text.toLowerCase(), position - 1)+1;
            return (foundAt === 0)?error.value:foundAt;
        };
    
        exports.SPLIT = function (text, separator) {
            return text.split(separator);
        };
    
        exports.SUBSTITUTE = function(text, old_text, new_text, occurrence) {
            if (!text || !old_text || !new_text) {
                return text;
            } else if (occurrence === undefined) {
                return text.replace(new RegExp(old_text, 'g'), new_text);
            } else {
                var index = 0;
                var i = 0;
                while (text.indexOf(old_text, index) > 0) {
                    index = text.indexOf(old_text, index + 1);
                    i++;
                    if (i === occurrence) {
                        return text.substring(0, index) + new_text + text.substring(index + old_text.length);
                    }
                }
            }
        };
    
        exports.T = function(value) {
            return (typeof value === "string") ? value : '';
        };
    
        exports.TEXT = null;
    
        exports.TRIM = function(text) {
            if (typeof text !== 'string') {
                return error.value;
            }
            return text.replace(/ +/g, ' ').trim();
        };
    
        exports.UNICHAR = exports.CHAR;
    
        exports.UNICODE = exports.CODE;
    
        exports.UPPER = function(text) {
            if (typeof text !== 'string') {
                return error.value;
            }
            return text.toUpperCase();
        };
    
        exports.VALUE = null;
    
        return exports;
    })();
    
    jexcel.methods.stats = (function() {
        var exports = {};
    
        var SQRT2PI = 2.5066282746310002;
    
        exports.AVEDEV = null;
    
        exports.AVERAGE = function() {
            var range = utils.numbers(utils.flatten(arguments));
            var n = range.length;
            var sum = 0;
            var count = 0;
            for (var i = 0; i < n; i++) {
                sum += range[i];
                count += 1;
            }
            return sum / count;
        };
    
        exports.AVERAGEA = function() {
            var range = utils.flatten(arguments);
            var n = range.length;
            var sum = 0;
            var count = 0;
            for (var i = 0; i < n; i++) {
                var el = range[i];
                if (typeof el === 'number') {
                    sum += el;
                }
                if (el === true) {
                    sum++;
                }
                if (el !== null) {
                    count++;
                }
            }
            return sum / count;
        };
    
        exports.AVERAGEIF = function(range, criteria, average_range) {
            average_range = average_range || range;
            range = utils.flatten(range);
            average_range = utils.parseNumberArray(utils.flatten(average_range));
            if (average_range instanceof Error) {
                return average_range;
            }
            var average_count = 0;
            var result = 0;
            for (var i = 0; i < range.length; i++) {
                if (eval(range[i] + criteria)) { // jshint ignore:line
                    result += average_range[i];
                    average_count++;
                }
            }
            return result / average_count;
        };
    
        exports.AVERAGEIFS = null;
    
        exports.COUNT = function() {
            return utils.numbers(utils.flatten(arguments)).length;
        };
    
        exports.COUNTA = function() {
            var range = utils.flatten(arguments);
            return range.length - exports.COUNTBLANK(range);
        };
    
        exports.COUNTIN = function (range, value) {
            var result = 0;
            for (var i = 0; i < range.length; i++) {
                if (range[i] === value) {
                    result++;
                }
            }
            return result;
        };
    
        exports.COUNTBLANK = function() {
            var range = utils.flatten(arguments);
            var blanks = 0;
            var element;
            for (var i = 0; i < range.length; i++) {
                element = range[i];
                if (element === null || element === '') {
                    blanks++;
                }
            }
            return blanks;
        };
    
        exports.COUNTIF = function(range, criteria) {
            range = utils.flatten(range);
            if (!/[<>=!]/.test(criteria)) {
                criteria = '=="' + criteria + '"';
            }
            var matches = 0;
            for (var i = 0; i < range.length; i++) {
                if (typeof range[i] !== 'string') {
                    if (eval(range[i] + criteria)) { // jshint ignore:line
                        matches++;
                    }
                } else {
                    if (eval('"' + range[i] + '"' + criteria)) { // jshint ignore:line
                        matches++;
                    }
                }
            }
            return matches;
        };
    
        exports.COUNTIFS = function() {
            var args = utils.argsToArray(arguments);
            var results = new Array(utils.flatten(args[0]).length);
            for (var i = 0; i < results.length; i++) {
                results[i] = true;
            }
            for (i = 0; i < args.length; i += 2) {
                var range = utils.flatten(args[i]);
                var criteria = args[i + 1];
                if (!/[<>=!]/.test(criteria)) {
                    criteria = '=="' + criteria + '"';
                }
                for (var j = 0; j < range.length; j++) {
                    if (typeof range[j] !== 'string') {
                        results[j] = results[j] && eval(range[j] + criteria); // jshint ignore:line
                    } else {
                        results[j] = results[j] && eval('"' + range[j] + '"' + criteria); // jshint ignore:line
                    }
                }
            }
            var result = 0;
            for (i = 0; i < results.length; i++) {
                if (results[i]) {
                    result++;
                }
            }
            return result;
        };
    
        exports.COUNTUNIQUE = function () {
            return UNIQUE.apply(null, utils.flatten(arguments)).length;
        };
    
        exports.FISHER = function(x) {
            x = utils.parseNumber(x);
            if (x instanceof Error) {
                return x;
            }
            return Math.log((1 + x) / (1 - x)) / 2;
        };
    
        exports.FISHERINV = function(y) {
            y = utils.parseNumber(y);
            if (y instanceof Error) {
                return y;
            }
            var e2y = Math.exp(2 * y);
            return (e2y - 1) / (e2y + 1);
        };
    
        exports.FREQUENCY = function(data, bins) {
            data = utils.parseNumberArray(utils.flatten(data));
            bins = utils.parseNumberArray(utils.flatten(bins));
            if (utils.anyIsError(data, bins)) {
                return error.value;
            }
            var n = data.length;
            var b = bins.length;
            var r = [];
            for (var i = 0; i <= b; i++) {
                r[i] = 0;
                for (var j = 0; j < n; j++) {
                    if (i === 0) {
                        if (data[j] <= bins[0]) {
                            r[0] += 1;
                        }
                    } else if (i < b) {
                        if (data[j] > bins[i - 1] && data[j] <= bins[i]) {
                            r[i] += 1;
                        }
                    } else if (i === b) {
                        if (data[j] > bins[b - 1]) {
                            r[b] += 1;
                        }
                    }
                }
            }
            return r;
        };
    
        exports.LARGE = function(range, k) {
            range = utils.parseNumberArray(utils.flatten(range));
            k = utils.parseNumber(k);
            if (utils.anyIsError(range, k)) {
                return range;
            }
            return range.sort(function(a, b) {
                return b - a;
            })[k - 1];
        };
    
        exports.MAX = function() {
            var range = utils.numbers(utils.flatten(arguments));
            return (range.length === 0) ? 0 : Math.max.apply(Math, range);
        };
    
        exports.MAXA = function() {
            var range = utils.arrayValuesToNumbers(utils.flatten(arguments));
            return (range.length === 0) ? 0 : Math.max.apply(Math, range);
        };
    
        exports.MIN = function() {
            var range = utils.numbers(utils.flatten(arguments));
            return (range.length === 0) ? 0 : Math.min.apply(Math, range);
        };
    
        exports.MINA = function() {
            var range = utils.arrayValuesToNumbers(utils.flatten(arguments));
            return (range.length === 0) ? 0 : Math.min.apply(Math, range);
        };
    
        exports.MODE = {};
    
        exports.MODE.MULT = function() {
            // Credits: Roönaän
            var range = utils.parseNumberArray(utils.flatten(arguments));
            if (range instanceof Error) {
                return range;
            }
            var n = range.length;
            var count = {};
            var maxItems = [];
            var max = 0;
            var currentItem;
    
            for (var i = 0; i < n; i++) {
                currentItem = range[i];
                count[currentItem] = count[currentItem] ? count[currentItem] + 1 : 1;
                if (count[currentItem] > max) {
                    max = count[currentItem];
                    maxItems = [];
                }
                if (count[currentItem] === max) {
                    maxItems[maxItems.length] = currentItem;
                }
            }
            return maxItems;
        };
    
        exports.MODE.SNGL = function() {
            var range = utils.parseNumberArray(utils.flatten(arguments));
            if (range instanceof Error) {
                return range;
            }
            return exports.MODE.MULT(range).sort(function(a, b) {
                return a - b;
            })[0];
        };
    
        exports.PERCENTILE = {};
    
        exports.PERCENTILE.EXC = function(array, k) {
            array = utils.parseNumberArray(utils.flatten(array));
            k = utils.parseNumber(k);
            if (utils.anyIsError(array, k)) {
                return error.value;
            }
            array = array.sort(function(a, b) {
                {
                    return a - b;
                }
            });
            var n = array.length;
            if (k < 1 / (n + 1) || k > 1 - 1 / (n + 1)) {
                return error.num;
            }
            var l = k * (n + 1) - 1;
            var fl = Math.floor(l);
            return utils.cleanFloat((l === fl) ? array[l] : array[fl] + (l - fl) * (array[fl + 1] - array[fl]));
        };
    
        exports.PERCENTILE.INC = function(array, k) {
            array = utils.parseNumberArray(utils.flatten(array));
            k = utils.parseNumber(k);
            if (utils.anyIsError(array, k)) {
                return error.value;
            }
            array = array.sort(function(a, b) {
                return a - b;
            });
            var n = array.length;
            var l = k * (n - 1);
            var fl = Math.floor(l);
            return utils.cleanFloat((l === fl) ? array[l] : array[fl] + (l - fl) * (array[fl + 1] - array[fl]));
        };
    
        exports.PERCENTRANK = {};
    
        exports.PERCENTRANK.EXC = function(array, x, significance) {
            significance = (significance === undefined) ? 3 : significance;
            array = utils.parseNumberArray(utils.flatten(array));
            x = utils.parseNumber(x);
            significance = utils.parseNumber(significance);
            if (utils.anyIsError(array, x, significance)) {
                return error.value;
            }
            array = array.sort(function(a, b) {
                return a - b;
            });
            var uniques = UNIQUE.apply(null, array);
            var n = array.length;
            var m = uniques.length;
            var power = Math.pow(10, significance);
            var result = 0;
            var match = false;
            var i = 0;
            while (!match && i < m) {
                if (x === uniques[i]) {
                    result = (array.indexOf(uniques[i]) + 1) / (n + 1);
                    match = true;
                } else if (x >= uniques[i] && (x < uniques[i + 1] || i === m - 1)) {
                    result = (array.indexOf(uniques[i]) + 1 + (x - uniques[i]) / (uniques[i + 1] - uniques[i])) / (n + 1);
                    match = true;
                }
                i++;
            }
            return Math.floor(result * power) / power;
        };
    
        exports.PERCENTRANK.INC = function(array, x, significance) {
            significance = (significance === undefined) ? 3 : significance;
            array = utils.parseNumberArray(utils.flatten(array));
            x = utils.parseNumber(x);
            significance = utils.parseNumber(significance);
            if (utils.anyIsError(array, x, significance)) {
                return error.value;
            }
            array = array.sort(function(a, b) {
                return a - b;
            });
            var uniques = UNIQUE.apply(null, array);
            var n = array.length;
            var m = uniques.length;
            var power = Math.pow(10, significance);
            var result = 0;
            var match = false;
            var i = 0;
            while (!match && i < m) {
                if (x === uniques[i]) {
                    result = array.indexOf(uniques[i]) / (n - 1);
                    match = true;
                } else if (x >= uniques[i] && (x < uniques[i + 1] || i === m - 1)) {
                    result = (array.indexOf(uniques[i]) + (x - uniques[i]) / (uniques[i + 1] - uniques[i])) / (n - 1);
                    match = true;
                }
                i++;
            }
            return Math.floor(result * power) / power;
        };
    
        exports.PERMUT = function(number, number_chosen) {
            number = utils.parseNumber(number);
            number_chosen = utils.parseNumber(number_chosen);
            if (utils.anyIsError(number, number_chosen)) {
                return error.value;
            }
            return FACT(number) / FACT(number - number_chosen);
        };
    
        exports.PERMUTATIONA = function(number, number_chosen) {
            number = utils.parseNumber(number);
            number_chosen = utils.parseNumber(number_chosen);
            if (utils.anyIsError(number, number_chosen)) {
                return error.value;
            }
            return Math.pow(number, number_chosen);
        };
    
        exports.PHI = function(x) {
            x = utils.parseNumber(x);
            if (x instanceof Error) {
                return error.value;
            }
            return Math.exp(-0.5 * x * x) / SQRT2PI;
        };
    
        exports.PROB = function(range, probability, lower, upper) {
            if (lower === undefined) {
                return 0;
            }
            upper = (upper === undefined) ? lower : upper;
    
            range = utils.parseNumberArray(utils.flatten(range));
            probability = utils.parseNumberArray(utils.flatten(probability));
            lower = utils.parseNumber(lower);
            upper = utils.parseNumber(upper);
            if (utils.anyIsError(range, probability, lower, upper)) {
                return error.value;
            }
    
            if (lower === upper) {
                return (range.indexOf(lower) >= 0) ? probability[range.indexOf(lower)] : 0;
            }
    
            var sorted = range.sort(function(a, b) {
                return a - b;
            });
            var n = sorted.length;
            var result = 0;
            for (var i = 0; i < n; i++) {
                if (sorted[i] >= lower && sorted[i] <= upper) {
                    result += probability[range.indexOf(sorted[i])];
                }
            }
            return result;
        };
    
        exports.QUARTILE = {};
    
        exports.QUARTILE.EXC = function(range, quart) {
            range = utils.parseNumberArray(utils.flatten(range));
            quart = utils.parseNumber(quart);
            if (utils.anyIsError(range, quart)) {
                return error.value;
            }
            switch (quart) {
                case 1:
                    return exports.PERCENTILE.EXC(range, 0.25);
                case 2:
                    return exports.PERCENTILE.EXC(range, 0.5);
                case 3:
                    return exports.PERCENTILE.EXC(range, 0.75);
                default:
                    return error.num;
            }
        };
    
        exports.QUARTILE.INC = function(range, quart) {
            range = utils.parseNumberArray(utils.flatten(range));
            quart = utils.parseNumber(quart);
            if (utils.anyIsError(range, quart)) {
                return error.value;
            }
            switch (quart) {
                case 1:
                    return exports.PERCENTILE.INC(range, 0.25);
                case 2:
                    return exports.PERCENTILE.INC(range, 0.5);
                case 3:
                    return exports.PERCENTILE.INC(range, 0.75);
                default:
                    return error.num;
            }
        };
    
        exports.RANK = {};
    
        exports.RANK.AVG = function(number, range, order) {
            number = utils.parseNumber(number);
            range = utils.parseNumberArray(utils.flatten(range));
            if (utils.anyIsError(number, range)) {
                return error.value;
            }
            range = utils.flatten(range);
            order = order || false;
            var sort = (order) ? function(a, b) {
                return a - b;
            } : function(a, b) {
                return b - a;
            };
            range = range.sort(sort);
    
            var length = range.length;
            var count = 0;
            for (var i = 0; i < length; i++) {
                if (range[i] === number) {
                    count++;
                }
            }
    
            return (count > 1) ? (2 * range.indexOf(number) + count + 1) / 2 : range.indexOf(number) + 1;
        };
    
        exports.RANK.EQ = function(number, range, order) {
            number = utils.parseNumber(number);
            range = utils.parseNumberArray(utils.flatten(range));
            if (utils.anyIsError(number, range)) {
                return error.value;
            }
            order = order || false;
            var sort = (order) ? function(a, b) {
                return a - b;
            } : function(a, b) {
                return b - a;
            };
            range = range.sort(sort);
            return range.indexOf(number) + 1;
        };
    
        exports.RSQ = function(data_x, data_y) { // no need to flatten here, PEARSON will take care of that
            data_x = utils.parseNumberArray(utils.flatten(data_x));
            data_y = utils.parseNumberArray(utils.flatten(data_y));
            if (utils.anyIsError(data_x, data_y)) {
                return error.value;
            }
            return Math.pow(exports.PEARSON(data_x, data_y), 2);
        };
    
        exports.SMALL = function(range, k) {
            range = utils.parseNumberArray(utils.flatten(range));
            k = utils.parseNumber(k);
            if (utils.anyIsError(range, k)) {
                return range;
            }
            return range.sort(function(a, b) {
                return a - b;
            })[k - 1];
        };
    
        exports.STANDARDIZE = function(x, mean, sd) {
            x = utils.parseNumber(x);
            mean = utils.parseNumber(mean);
            sd = utils.parseNumber(sd);
            if (utils.anyIsError(x, mean, sd)) {
                return error.value;
            }
            return (x - mean) / sd;
        };
    
        exports.STDEV = {};
    
        exports.STDEV.P = function() {
            var v = exports.VAR.P.apply(this, arguments);
            return Math.sqrt(v);
        };
    
        exports.STDEV.S = function() {
            var v = exports.VAR.S.apply(this, arguments);
            return Math.sqrt(v);
        };
    
        exports.STDEVA = function() {
            var v = exports.VARA.apply(this, arguments);
            return Math.sqrt(v);
        };
    
        exports.STDEVPA = function() {
            var v = exports.VARPA.apply(this, arguments);
            return Math.sqrt(v);
        };
    
        exports.VAR = {};
    
        exports.VAR.P = function() {
            var range = utils.numbers(utils.flatten(arguments));
            var n = range.length;
            var sigma = 0;
            var mean = exports.AVERAGE(range);
            for (var i = 0; i < n; i++) {
                sigma += Math.pow(range[i] - mean, 2);
            }
            return sigma / n;
        };
    
        exports.VAR.S = function() {
            var range = utils.numbers(utils.flatten(arguments));
            var n = range.length;
            var sigma = 0;
            var mean = exports.AVERAGE(range);
            for (var i = 0; i < n; i++) {
                sigma += Math.pow(range[i] - mean, 2);
            }
            return sigma / (n - 1);
        };
    
        exports.VARA = function() {
            var range = utils.flatten(arguments);
            var n = range.length;
            var sigma = 0;
            var count = 0;
            var mean = exports.AVERAGEA(range);
            for (var i = 0; i < n; i++) {
                var el = range[i];
                if (typeof el === 'number') {
                    sigma += Math.pow(el - mean, 2);
                } else if (el === true) {
                    sigma += Math.pow(1 - mean, 2);
                } else {
                    sigma += Math.pow(0 - mean, 2);
                }
    
                if (el !== null) {
                    count++;
                }
            }
            return sigma / (count - 1);
        };
    
        exports.VARPA = function() {
            var range = utils.flatten(arguments);
            var n = range.length;
            var sigma = 0;
            var count = 0;
            var mean = exports.AVERAGEA(range);
            for (var i = 0; i < n; i++) {
                var el = range[i];
                if (typeof el === 'number') {
                    sigma += Math.pow(el - mean, 2);
                } else if (el === true) {
                    sigma += Math.pow(1 - mean, 2);
                } else {
                    sigma += Math.pow(0 - mean, 2);
                }
    
                if (el !== null) {
                    count++;
                }
            }
            return sigma / count;
        };
    
        exports.WEIBULL = {};
    
        exports.WEIBULL.DIST = function(x, alpha, beta, cumulative) {
            x = utils.parseNumber(x);
            alpha = utils.parseNumber(alpha);
            beta = utils.parseNumber(beta);
            if (utils.anyIsError(x, alpha, beta)) {
                return error.value;
            }
            return (cumulative) ? 1 - Math.exp(-Math.pow(x / beta, alpha)) : Math.pow(x, alpha - 1) * Math.exp(-Math.pow(x / beta, alpha)) * alpha / Math.pow(beta, alpha);
        };
    
        exports.Z = {};
    
        exports.Z.TEST = function(range, x, sd) {
            range = utils.parseNumberArray(utils.flatten(range));
            x = utils.parseNumber(x);
            if (utils.anyIsError(range, x)) {
                return error.value;
            }
    
            sd = sd || exports.STDEV.S(range);
            var n = range.length;
            return 1 - exports.NORM.S.DIST((exports.AVERAGE(range) - x) / (sd / Math.sqrt(n)), true);
        };
    
        return exports;
    })();

    jexcel.methods.utils = (function() {
        var exports = {};

        exports.PROGRESS = function(p, c) {
            var color = c ? c : 'red';
            var value = p ? p : '0';

            return '<div style="width:' + value + '%;height:4px;background-color:' + color + ';margin-top:1px;"></div>';
        };

        exports.RATING = function(v) {
            var html = '<div class="jrating">';
            for (var i = 0; i < 5; i++) {
                if (i < v) {
                    html += '<div class="jrating-selected"></div>';
                } else {
                    html += '<div></div>';
                }
            }
            html += '</div>';
            return html;
        }

        return exports;
    })();

    for (var i = 0; i < Object.keys(jexcel.methods).length; i++) {
        var methods = jexcel.methods[Object.keys(jexcel.methods)[i]];
        for (var j = 0; j < Object.keys(methods).length; j++) {
            if (typeof(methods[Object.keys(methods)[j]]) == 'function') {
                window[Object.keys(methods)[j]] = methods[Object.keys(methods)[j]];
            } else {
                window[Object.keys(methods)[j]] = function() {
                    return Object.keys(methods)[j] + 'Not implemented';
                }
            }
        }
    }

    return jexcel;
})));
