text: /**
   * @license Highcharts JS v4.1.3 (2015-02-27)
   * Data module
   *
   * (c) 2012-2014 Torstein Honsi
   *
   * License: www.highcharts.com/license
   */
  
  // JSLint options:
  /*global jQuery, HighchartsAdapter */
  
  (function (Highcharts) {
  	
  	// Utilities
  	var each = Highcharts.each,
  		pick = Highcharts.pick,
  		inArray = HighchartsAdapter.inArray,
  		splat = Highcharts.splat,
  		SeriesBuilder;
  	
  	
  	// The Data constructor
  	var Data = function (dataOptions, chartOptions) {
  		this.init(dataOptions, chartOptions);
  	};
  	
  	// Set the prototype properties
  	Highcharts.extend(Data.prototype, {
  		
  	/**
  	 * Initialize the Data object with the given options
  	 */
  	init: function (options, chartOptions) {
  		this.options = options;
  		this.chartOptions = chartOptions;
  		this.columns = options.columns || this.rowsToColumns(options.rows) || [];
  		this.firstRowAsNames = pick(options.firstRowAsNames, true);
  		this.decimalRegex = options.decimalPoint && new RegExp('^([0-9]+)' + options.decimalPoint + '([0-9]+)$');
  
  		// This is a two-dimensional array holding the raw, trimmed string values
  		// with the same organisation as the columns array. It makes it possible
  		// for example to revert from interpreted timestamps to string-based
  		// categories.
  		this.rawColumns = [];
  
  		// No need to parse or interpret anything
  		if (this.columns.length) {
  			this.dataFound();
  
  		// Parse and interpret
  		} else {
  
  			// Parse a CSV string if options.csv is given
  			this.parseCSV();
  			
  			// Parse a HTML table if options.table is given
  			this.parseTable();
  
  			// Parse a Google Spreadsheet 
  			this.parseGoogleSpreadsheet();	
  		}
  
  	},
  
  	/**
  	 * Get the column distribution. For example, a line series takes a single column for 
  	 * Y values. A range series takes two columns for low and high values respectively,
  	 * and an OHLC series takes four columns.
  	 */
  	getColumnDistribution: function () {
  		var chartOptions = this.chartOptions,
  			options = this.options,
  			xColumns = [],
  			getValueCount = function (type) {
  				return (Highcharts.seriesTypes[type || 'line'].prototype.pointArrayMap || [0]).length;
  			},
  			getPointArrayMap = function (type) {
  				return Highcharts.seriesTypes[type || 'line'].prototype.pointArrayMap;
  			},
  			globalType = chartOptions && chartOptions.chart && chartOptions.chart.type,
  			individualCounts = [],
  			seriesBuilders = [],
  			seriesIndex = 0,
  			i;
  
  		each((chartOptions && chartOptions.series) || [], function (series) {
  			individualCounts.push(getValueCount(series.type || globalType));
  		});
  
  		// Collect the x-column indexes from seriesMapping
  		each((options && options.seriesMapping) || [], function (mapping) {
  			xColumns.push(mapping.x || 0);
  		});
  
  		// If there are no defined series with x-columns, use the first column as x column
  		if (xColumns.length === 0) {
  			xColumns.push(0);
  		}
  
  		// Loop all seriesMappings and constructs SeriesBuilders from
  		// the mapping options.
  		each((options && options.seriesMapping) || [], function (mapping) {
  			var builder = new SeriesBuilder(),
  				name,
  				numberOfValueColumnsNeeded = individualCounts[seriesIndex] || getValueCount(globalType),
  				seriesArr = (chartOptions && chartOptions.series) || [],
  				series = seriesArr[seriesIndex] || {},
  				pointArrayMap = getPointArrayMap(series.type || globalType) || ['y'];
  
  			// Add an x reader from the x property or from an undefined column
  			// if the property is not set. It will then be auto populated later.
  			builder.addColumnReader(mapping.x, 'x');
  
  			// Add all column mappings
  			for (name in mapping) {
  				if (mapping.hasOwnProperty(name) && name !== 'x') {
  					builder.addColumnReader(mapping[name], name);
  				}
  			}
  
  			// Add missing columns
  			for (i = 0; i < numberOfValueColumnsNeeded; i++) {
  				if (!builder.hasReader(pointArrayMap[i])) {
  					//builder.addNextColumnReader(pointArrayMap[i]);
  					// Create and add a column reader for the next free column index
  					builder.addColumnReader(undefined, pointArrayMap[i]);
  				}
  			}
  
  			seriesBuilders.push(builder);
  			seriesIndex++;
  		});
  
  		var globalPointArrayMap = getPointArrayMap(globalType);
  		if (globalPointArrayMap === undefined) {
  			globalPointArrayMap = ['y'];
  		}
  
  		this.valueCount = {
  			global: getValueCount(globalType),
  			xColumns: xColumns,
  			individual: individualCounts,
  			seriesBuilders: seriesBuilders,
  			globalPointArrayMap: globalPointArrayMap
  		};
  	},
  
  	/**
  	 * When the data is parsed into columns, either by CSV, table, GS or direct input,
  	 * continue with other operations.
  	 */
  	dataFound: function () {
  		
  		if (this.options.switchRowsAndColumns) {
  			this.columns = this.rowsToColumns(this.columns);
  		}
  
  		// Interpret the info about series and columns
  		this.getColumnDistribution();
  
  		// Interpret the values into right types
  		this.parseTypes();
  		
  		// Handle columns if a handleColumns callback is given
  		if (this.parsed() !== false) {
  		
  			// Complete if a complete callback is given
  			this.complete();
  		}
  		
  	},
  	
  	/**
  	 * Parse a CSV input string
  	 */
  	parseCSV: function () {
  		var self = this,
  			options = this.options,
  			csv = options.csv,
  			columns = this.columns,
  			startRow = options.startRow || 0,
  			endRow = options.endRow || Number.MAX_VALUE,
  			startColumn = options.startColumn || 0,
  			endColumn = options.endColumn || Number.MAX_VALUE,
  			itemDelimiter,
  			lines,
  			activeRowNo = 0;
  			
  		if (csv) {
  			
  			lines = csv
  				.replace(/\r\n/g, "\n") // Unix
  				.replace(/\r/g, "\n") // Mac
  				.split(options.lineDelimiter || "\n");
  
  			itemDelimiter = options.itemDelimiter || (csv.indexOf('\t') !== -1 ? '\t' : ',');
  			
  			each(lines, function (line, rowNo) {
  				var trimmed = self.trim(line),
  					isComment = trimmed.indexOf('#') === 0,
  					isBlank = trimmed === '',
  					items;
  				
  				if (rowNo >= startRow && rowNo <= endRow && !isComment && !isBlank) {
  					items = line.split(itemDelimiter);
  					each(items, function (item, colNo) {
  						if (colNo >= startColumn && colNo <= endColumn) {
  							if (!columns[colNo - startColumn]) {
  								columns[colNo - startColumn] = [];					
  							}
  							
  							columns[colNo - startColumn][activeRowNo] = item;
  						}
  					});
  					activeRowNo += 1;
  				}
  			});
  
  			this.dataFound();
  		}
  	},
  	
  	/**
  	 * Parse a HTML table
  	 */
  	parseTable: function () {
  		var options = this.options,
  			table = options.table,
  			columns = this.columns,
  			startRow = options.startRow || 0,
  			endRow = options.endRow || Number.MAX_VALUE,
  			startColumn = options.startColumn || 0,
  			endColumn = options.endColumn || Number.MAX_VALUE;
  
  		if (table) {
  			
  			if (typeof table === 'string') {
  				table = document.getElementById(table);
  			}
  			
  			each(table.getElementsByTagName('tr'), function (tr, rowNo) {
  				if (rowNo >= startRow && rowNo <= endRow) {
  					each(tr.children, function (item, colNo) {
  						if ((item.tagName === 'TD' || item.tagName === 'TH') && colNo >= startColumn && colNo <= endColumn) {
  							if (!columns[colNo - startColumn]) {
  								columns[colNo - startColumn] = [];					
  							}
  							
  							columns[colNo - startColumn][rowNo - startRow] = item.innerHTML;
  						}
  					});
  				}
  			});
  
  			this.dataFound(); // continue
  		}
  	},
  
  	/**
  	 */
  	parseGoogleSpreadsheet: function () {
  		var self = this,
  			options = this.options,
  			googleSpreadsheetKey = options.googleSpreadsheetKey,
  			columns = this.columns,
  			startRow = options.startRow || 0,
  			endRow = options.endRow || Number.MAX_VALUE,
  			startColumn = options.startColumn || 0,
  			endColumn = options.endColumn || Number.MAX_VALUE,
  			gr, // google row
  			gc; // google column
  
  		if (googleSpreadsheetKey) {
  			jQuery.ajax({
  				dataType: 'json', 
  				url: 'https://spreadsheets.google.com/feeds/cells/' + 
  				  googleSpreadsheetKey + '/' + (options.googleSpreadsheetWorksheet || 'od6') +
  					  '/public/values?alt=json-in-script&callback=?',
  				error: options.error,
  				success: function (json) {
  					// Prepare the data from the spreadsheat
  					var cells = json.feed.entry,
  						cell,
  						cellCount = cells.length,
  						colCount = 0,
  						rowCount = 0,
  						i;
  				
  					// First, find the total number of columns and rows that 
  					// are actually filled with data
  					for (i = 0; i < cellCount; i++) {
  						cell = cells[i];
  						colCount = Math.max(colCount, cell.gs$cell.col);
  						rowCount = Math.max(rowCount, cell.gs$cell.row);			
  					}
  				
  					// Set up arrays containing the column data
  					for (i = 0; i < colCount; i++) {
  						if (i >= startColumn && i <= endColumn) {
  							// Create new columns with the length of either end-start or rowCount
  							columns[i - startColumn] = [];
  
  							// Setting the length to avoid jslint warning
  							columns[i - startColumn].length = Math.min(rowCount, endRow - startRow);
  						}
  					}
  					
  					// Loop over the cells and assign the value to the right
  					// place in the column arrays
  					for (i = 0; i < cellCount; i++) {
  						cell = cells[i];
  						gr = cell.gs$cell.row - 1; // rows start at 1
  						gc = cell.gs$cell.col - 1; // columns start at 1
  
  						// If both row and col falls inside start and end
  						// set the transposed cell value in the newly created columns
  						if (gc >= startColumn && gc <= endColumn &&
  							gr >= startRow && gr <= endRow) {
  							columns[gc - startColumn][gr - startRow] = cell.content.$t;
  						}
  					}
  					self.dataFound();
  				}
  			});
  		}
  	},
  	
  	/**
  	 * Trim a string from whitespace
  	 */
  	trim: function (str, inside) {
  		if (typeof str === 'string') {
  			str = str.replace(/^\s+|\s+$/g, '');
  
  			// Clear white space insdie the string, like thousands separators
  			if (inside && /^[0-9\s]+$/.test(str)) { 
  				str = str.replace(/\s/g, '');
  			}
  
  			if (this.decimalRegex) {
  				str = str.replace(this.decimalRegex, '$1.$2');
  			}
  		}
  		return str;
  	},
  	
  	/**
  	 * Parse numeric cells in to number types and date types in to true dates.
  	 */
  	parseTypes: function () {
  		var columns = this.columns,
  			col = columns.length;
  
  		while (col--) {
  			this.parseColumn(columns[col], col);
  		}
  
  	},
  
  	/**
  	 * Parse a single column. Set properties like .isDatetime and .isNumeric.
  	 */
  	parseColumn: function (column, col) {
  		var rawColumns = this.rawColumns,
  			columns = this.columns, 
  			row = column.length,
  			val,
  			floatVal,
  			trimVal,
  			trimInsideVal,
  			firstRowAsNames = this.firstRowAsNames,
  			isXColumn = inArray(col, this.valueCount.xColumns) !== -1,
  			dateVal,
  			backup = [],
  			diff,
  			chartOptions = this.chartOptions,
  			descending,
  			columnTypes = this.options.columnTypes || [],
  			columnType = columnTypes[col],
  			forceCategory = isXColumn && ((chartOptions && chartOptions.xAxis && splat(chartOptions.xAxis)[0].type === 'category') || columnType === 'string');
  		
  		if (!rawColumns[col]) {
  			rawColumns[col] = [];
  		}
  		while (row--) {
  			val = backup[row] || column[row];
  			
  			trimVal = this.trim(val);
  			trimInsideVal = this.trim(val, true);
  			floatVal = parseFloat(trimInsideVal);
  
  			// Set it the first time
  			if (rawColumns[col][row] === undefined) {
  				rawColumns[col][row] = trimVal;
  			}
  			
  			// Disable number or date parsing by setting the X axis type to category
  			if (forceCategory || (row === 0 && firstRowAsNames)) {
  				column[row] = trimVal;
  
  			} else if (+trimInsideVal === floatVal) { // is numeric
  			
  				column[row] = floatVal;
  				
  				// If the number is greater than milliseconds in a year, assume datetime
  				if (floatVal > 365 * 24 * 3600 * 1000 && columnType !== 'float') {
  					column.isDatetime = true;
  				} else {
  					column.isNumeric = true;
  				}
  
  				if (column[row + 1] !== undefined) {
  					descending = floatVal > column[row + 1];
  				}
  			
  			// String, continue to determine if it is a date string or really a string
  			} else {
  				dateVal = this.parseDate(val);
  				// Only allow parsing of dates if this column is an x-column
  				if (isXColumn && typeof dateVal === 'number' && !isNaN(dateVal) && columnType !== 'float') { // is date
  					backup[row] = val; 
  					column[row] = dateVal;
  					column.isDatetime = true;
  
  					// Check if the dates are uniformly descending or ascending. If they 
  					// are not, chances are that they are a different time format, so check
  					// for alternative.
  					if (column[row + 1] !== undefined) {
  						diff = dateVal > column[row + 1];
  						if (diff !== descending && descending !== undefined) {
  							if (this.alternativeFormat) {
  								this.dateFormat = this.alternativeFormat;
  								row = column.length;
  								this.alternativeFormat = this.dateFormats[this.dateFormat].alternative;
  							} else {
  								column.unsorted = true;
  							}
  						}
  						descending = diff;
  					}
  				
  				} else { // string
  					column[row] = trimVal === '' ? null : trimVal;
  					if (row !== 0 && (column.isDatetime || column.isNumeric)) {
  						column.mixed = true;
  					}
  				}
  			}
  		}
  
  		// If strings are intermixed with numbers or dates in a parsed column, it is an indication
  		// that parsing went wrong or the data was not intended to display as numbers or dates and 
  		// parsing is too aggressive. Fall back to categories. Demonstrated in the 
  		// highcharts/demo/column-drilldown sample.
  		if (isXColumn && column.mixed) {
  			columns[col] = rawColumns[col];
  		}
  
  		// If the 0 column is date or number and descending, reverse all columns. 
  		if (isXColumn && descending && this.options.sort) {
  			for (col = 0; col < columns.length; col++) {
  				columns[col].reverse();
  				if (firstRowAsNames) {
  					columns[col].unshift(columns[col].pop());
  				}
  			}
  		}
  	},
  	
  	/**
  	 * A collection of available date formats, extendable from the outside to support
  	 * custom date formats.
  	 */
  	dateFormats: {
  		'YYYY-mm-dd': {
  			regex: /^([0-9]{4})[\-\/\.]([0-9]{2})[\-\/\.]([0-9]{2})$/,
  			parser: function (match) {
  				return Date.UTC(+match[1], match[2] - 1, +match[3]);
  			}
  		},
  		'dd/mm/YYYY': {
  			regex: /^([0-9]{1,2})[\-\/\.]([0-9]{1,2})[\-\/\.]([0-9]{4})$/,
  			parser: function (match) {
  				return Date.UTC(+match[3], match[2] - 1, +match[1]);
  			},
  			alternative: 'mm/dd/YYYY' // different format with the same regex
  		},
  		'mm/dd/YYYY': {
  			regex: /^([0-9]{1,2})[\-\/\.]([0-9]{1,2})[\-\/\.]([0-9]{4})$/,
  			parser: function (match) {
  				return Date.UTC(+match[3], match[1] - 1, +match[2]);
  			}
  		},
  		'dd/mm/YY': {
  			regex: /^([0-9]{1,2})[\-\/\.]([0-9]{1,2})[\-\/\.]([0-9]{2})$/,
  			parser: function (match) {
  				return Date.UTC(+match[3] + 2000, match[2] - 1, +match[1]);
  			},
  			alternative: 'mm/dd/YY' // different format with the same regex
  		},
  		'mm/dd/YY': {
  			regex: /^([0-9]{1,2})[\-\/\.]([0-9]{1,2})[\-\/\.]([0-9]{2})$/,
  			parser: function (match) {
  				return Date.UTC(+match[3] + 2000, match[1] - 1, +match[2]);
  			}
  		}
  	},
  	
  	/**
  	 * Parse a date and return it as a number. Overridable through options.parseDate.
  	 */
  	parseDate: function (val) {
  		var parseDate = this.options.parseDate,
  			ret,
  			key,
  			format,
  			dateFormat = this.options.dateFormat || this.dateFormat,
  			match;
  
  		if (parseDate) {
  			ret = parseDate(val);
  		}
  		
  		if (typeof val === 'string') {
  			// Auto-detect the date format the first time
  			if (!dateFormat) {
  				for (key in this.dateFormats) {
  					format = this.dateFormats[key];
  					match = val.match(format.regex);
  					if (match) {
  						this.dateFormat = dateFormat = key;
  						this.alternativeFormat = format.alternative;
  						ret = format.parser(match);
  						break;
  					}
  				}
  			// Next time, use the one previously found
  			} else {
  				format = this.dateFormats[dateFormat];
  				match = val.match(format.regex);
  				if (match) {
  					ret = format.parser(match);
  				}
  			}
  			// Fall back to Date.parse		
  			if (!match) {
  				match = Date.parse(val);
  				// External tools like Date.js and MooTools extend Date object and
  				// returns a date.
  				if (typeof match === 'object' && match !== null && match.getTime) {
  					ret = match.getTime() - match.getTimezoneOffset() * 60000;
  				
  				// Timestamp
  				} else if (typeof match === 'number' && !isNaN(match)) {
  					ret = match - (new Date(match)).getTimezoneOffset() * 60000;
  				}
  			}
  		}
  		return ret;
  	},
  	
  	/**
  	 * Reorganize rows into columns
  	 */
  	rowsToColumns: function (rows) {
  		var row,
  			rowsLength,
  			col,
  			colsLength,
  			columns;
  
  		if (rows) {
  			columns = [];
  			rowsLength = rows.length;
  			for (row = 0; row < rowsLength; row++) {
  				colsLength = rows[row].length;
  				for (col = 0; col < colsLength; col++) {
  					if (!columns[col]) {
  						columns[col] = [];
  					}
  					columns[col][row] = rows[row][col];
  				}
  			}
  		}
  		return columns;
  	},
  	
  	/**
  	 * A hook for working directly on the parsed columns
  	 */
  	parsed: function () {
  		if (this.options.parsed) {
  			return this.options.parsed.call(this, this.columns);
  		}
  	},
  
  	getFreeIndexes: function (numberOfColumns, seriesBuilders) {
  		var s,
  			i,
  			freeIndexes = [],
  			freeIndexValues = [],
  			referencedIndexes;
  
  		// Add all columns as free
  		for (i = 0; i < numberOfColumns; i = i + 1) {
  			freeIndexes.push(true);
  		}
  
  		// Loop all defined builders and remove their referenced columns
  		for (s = 0; s < seriesBuilders.length; s = s + 1) {
  			referencedIndexes = seriesBuilders[s].getReferencedColumnIndexes();
  
  			for (i = 0; i < referencedIndexes.length; i = i + 1) {
  				freeIndexes[referencedIndexes[i]] = false;
  			}
  		}
  
  		// Collect the values for the free indexes
  		for (i = 0; i < freeIndexes.length; i = i + 1) {
  			if (freeIndexes[i]) {
  				freeIndexValues.push(i);
  			}
  		}
  
  		return freeIndexValues;
  	},
  	
  	/**
  	 * If a complete callback function is provided in the options, interpret the 
  	 * columns into a Highcharts options object.
  	 */
  	complete: function () {
  		
  		var columns = this.columns,
  			xColumns = [],
  			type,
  			options = this.options,
  			series,
  			data,
  			i,
  			j,
  			r,
  			seriesIndex,
  			chartOptions,
  			allSeriesBuilders = [],
  			builder,
  			freeIndexes,
  			typeCol,
  			index;
  
  		xColumns.length = columns.length;
  		if (options.complete || options.afterComplete) {
  
  			// Get the names and shift the top row
  			for (i = 0; i < columns.length; i++) {
  				if (this.firstRowAsNames) {
  					columns[i].name = columns[i].shift();
  				}
  			}
  			
  			// Use the next columns for series
  			series = [];
  			freeIndexes = this.getFreeIndexes(columns.length, this.valueCount.seriesBuilders);
  
  			// Populate defined series
  			for (seriesIndex = 0; seriesIndex < this.valueCount.seriesBuilders.length; seriesIndex++) {
  				builder = this.valueCount.seriesBuilders[seriesIndex];
  
  				// If the builder can be populated with remaining columns, then add it to allBuilders
  				if (builder.populateColumns(freeIndexes)) {
  					allSeriesBuilders.push(builder);
  				}
  			}
  
  			// Populate dynamic series
  			while (freeIndexes.length > 0) {
  				builder = new SeriesBuilder();
  				builder.addColumnReader(0, 'x');
  				
  				// Mark index as used (not free)
  				index = inArray(0, freeIndexes);
  				if (index !== -1) {
  					freeIndexes.splice(index, 1);
  				}
  
  				for (i = 0; i < this.valueCount.global; i++) {
  					// Create and add a column reader for the next free column index
  					builder.addColumnReader(undefined, this.valueCount.globalPointArrayMap[i]);
  				}
  
  				// If the builder can be populated with remaining columns, then add it to allBuilders
  				if (builder.populateColumns(freeIndexes)) {
  					allSeriesBuilders.push(builder);
  				}
  			}
  
  			// Get the data-type from the first series x column
  			if (allSeriesBuilders.length > 0 && allSeriesBuilders[0].readers.length > 0) {
  				typeCol = columns[allSeriesBuilders[0].readers[0].columnIndex];
  				if (typeCol !== undefined) {
  					if (typeCol.isDatetime) {
  						type = 'datetime';
  					} else if (!typeCol.isNumeric) {
  						type = 'category';
  					}
  				}
  			}
  			// Axis type is category, then the "x" column should be called "name"
  			if (type === 'category') {
  				for (seriesIndex = 0; seriesIndex < allSeriesBuilders.length; seriesIndex++) {
  					builder = allSeriesBuilders[seriesIndex];
  					for (r = 0; r < builder.readers.length; r++) {
  						if (builder.readers[r].configName === 'x') {
  							builder.readers[r].configName = 'name';
  						}
  					}
  				}
  			}
  
  			// Read data for all builders
  			for (seriesIndex = 0; seriesIndex < allSeriesBuilders.length; seriesIndex++) {
  				builder = allSeriesBuilders[seriesIndex];
  
  				// Iterate down the cells of each column and add data to the series
  				data = [];
  				for (j = 0; j < columns[0].length; j++) { // TODO: which column's length should we use here
  					data[j] = builder.read(columns, j);
  				}
  
  				// Add the series
  				series[seriesIndex] = {
  					data: data
  				};
  				if (builder.name) {
  					series[seriesIndex].name = builder.name;
  				}
  				if (type === 'category') {
  					series[seriesIndex].turboThreshold = 0;
  				}
  			}
  
  
  
  			// Do the callback
  			chartOptions = {
  				series: series
  			};
  			if (type) {
  				chartOptions.xAxis = {
  					type: type
  				};
  			}
  			
  			if (options.complete) {
  				options.complete(chartOptions);
  			}
  
  			// The afterComplete hook is used internally to avoid conflict with the externally
  			// available complete option.
  			if (options.afterComplete) {
  				options.afterComplete(chartOptions);
  			}
  		}
  	}
  	});
  	
  	// Register the Data prototype and data function on Highcharts
  	Highcharts.Data = Data;
  	Highcharts.data = function (options, chartOptions) {
  		return new Data(options, chartOptions);
  	};
  
  	// Extend Chart.init so that the Chart constructor accepts a new configuration
  	// option group, data.
  	Highcharts.wrap(Highcharts.Chart.prototype, 'init', function (proceed, userOptions, callback) {
  		var chart = this;
  
  		if (userOptions && userOptions.data) {
  			Highcharts.data(Highcharts.extend(userOptions.data, {
  
  				afterComplete: function (dataOptions) {
  					var i, series;
  					
  					// Merge series configs
  					if (userOptions.hasOwnProperty('series')) {
  						if (typeof userOptions.series === 'object') {
  							i = Math.max(userOptions.series.length, dataOptions.series.length);
  							while (i--) {
  								series = userOptions.series[i] || {};
  								userOptions.series[i] = Highcharts.merge(series, dataOptions.series[i]);
  							}
  						} else { // Allow merging in dataOptions.series (#2856)
  							delete userOptions.series;
  						}
  					}
  
  					// Do the merge
  					userOptions = Highcharts.merge(dataOptions, userOptions);
  
  					proceed.call(chart, userOptions, callback);
  				}
  			}), userOptions);
  		} else {
  			proceed.call(chart, userOptions, callback);
  		}
  	});
  
  	/**
  	 * Creates a new SeriesBuilder. A SeriesBuilder consists of a number
  	 * of ColumnReaders that reads columns and give them a name.
  	 * Ex: A series builder can be constructed to read column 3 as 'x' and
  	 * column 7 and 8 as 'y1' and 'y2'.
  	 * The output would then be points/rows of the form {x: 11, y1: 22, y2: 33}
  	 * 
  	 * The name of the builder is taken from the second column. In the above
  	 * example it would be the column with index 7.
  	 * @constructor
  	 */
  	SeriesBuilder = function () {
  		this.readers = [];
  		this.pointIsArray = true;
  	};
  
  	/**
  	 * Populates readers with column indexes. A reader can be added without
  	 * a specific index and for those readers the index is taken sequentially
  	 * from the free columns (this is handled by the ColumnCursor instance).
  	 * @returns {boolean}
  	 */
  	SeriesBuilder.prototype.populateColumns = function (freeIndexes) {
  		var builder = this,
  			enoughColumns = true;
  
  		// Loop each reader and give it an index if its missing.
  		// The freeIndexes.shift() will return undefined if there
  		// are no more columns.
  		each(builder.readers, function (reader) {
  			if (reader.columnIndex === undefined) {
  				reader.columnIndex = freeIndexes.shift();
  			}
  		});
  
  		// Now, all readers should have columns mapped. If not
  		// then return false to signal that this series should
  		// not be added.
  		each(builder.readers, function (reader) {
  			if (reader.columnIndex === undefined) {
  				enoughColumns = false;
  			}
  		});
  
  		return enoughColumns;
  	};
  
  	/**
  	 * Reads a row from the dataset and returns a point or array depending
  	 * on the names of the readers.
  	 * @param columns
  	 * @param rowIndex
  	 * @returns {Array | Object}
  	 */
  	SeriesBuilder.prototype.read = function (columns, rowIndex) {
  		var builder = this,
  			pointIsArray = builder.pointIsArray,
  			point = pointIsArray ? [] : {},
  			columnIndexes;
  
  		// Loop each reader and ask it to read its value.
  		// Then, build an array or point based on the readers names.
  		each(builder.readers, function (reader) {
  			var value = columns[reader.columnIndex][rowIndex];
  			if (pointIsArray) {
  				point.push(value);
  			} else {
  				point[reader.configName] = value; 
  			}
  		});
  
  		// The name comes from the first column (excluding the x column)
  		if (this.name === undefined && builder.readers.length >= 2) {
  			columnIndexes = builder.getReferencedColumnIndexes();
  			if (columnIndexes.length >= 2) {
  				// remove the first one (x col)
  				columnIndexes.shift();
  
  				// Sort the remaining
  				columnIndexes.sort();
  
  				// Now use the lowest index as name column
  				this.name = columns[columnIndexes.shift()].name;
  			}
  		}
  
  		return point;
  	};
  
  	/**
  	 * Creates and adds ColumnReader from the given columnIndex and configName.
  	 * ColumnIndex can be undefined and in that case the reader will be given
  	 * an index when columns are populated.
  	 * @param columnIndex {Number | undefined}
  	 * @param configName
  	 */
  	SeriesBuilder.prototype.addColumnReader = function (columnIndex, configName) {
  		this.readers.push({
  			columnIndex: columnIndex, 
  			configName: configName
  		});
  
  		if (!(configName === 'x' || configName === 'y' || configName === undefined)) {
  			this.pointIsArray = false;
  		}
  	};
  
  	/**
  	 * Returns an array of column indexes that the builder will use when
  	 * reading data.
  	 * @returns {Array}
  	 */
  	SeriesBuilder.prototype.getReferencedColumnIndexes = function () {
  		var i,
  			referencedColumnIndexes = [],
  			columnReader;
  		
  		for (i = 0; i < this.readers.length; i = i + 1) {
  			columnReader = this.readers[i];
  			if (columnReader.columnIndex !== undefined) {
  				referencedColumnIndexes.push(columnReader.columnIndex);
  			}
  		}
  
  		return referencedColumnIndexes;
  	};
  
  	/**
  	 * Returns true if the builder has a reader for the given configName.
  	 * @param configName
  	 * @returns {boolean}
  	 */
  	SeriesBuilder.prototype.hasReader = function (configName) {
  		var i, columnReader;
  		for (i = 0; i < this.readers.length; i = i + 1) {
  			columnReader = this.readers[i];
  			if (columnReader.configName === configName) {
  				return true;
  			}
  		}
  		// Else return undefined
  	};
  
  
  
  }(Highcharts));
  