text: /**
   * @license Highstock JS v1.3.6 (2013-10-04)
   * Plugin for displaying a message when there is no data visible in chart.
   *
   * (c) 2010-2013 Highsoft AS
   * Author: Øystein Moseng
   *
   * License: www.highcharts.com/license
   */
  
  (function (H) { // docs
  	
  	var seriesTypes = H.seriesTypes,
  		chartPrototype = H.Chart.prototype,
  		defaultOptions = H.getOptions(),
  		extend = H.extend;
  
  	// Add language option
  	extend(defaultOptions.lang, {
  		noData: 'No data to display'
  	});
  	
  	// Add default display options for message
  	defaultOptions.noData = {
  		position: {
  			x: 0,
  			y: 0,			
  			align: 'center',
  			verticalAlign: 'middle'
  		},
  		attr: {						
  		},
  		style: {	
  			fontWeight: 'bold',		
  			fontSize: '12px',
  			color: '#60606a'		
  		}
  	};
  
  	/**
  	 * Define hasData functions for series. These return true if there are data points on this series within the plot area
  	 */	
  	function hasDataPie() {
  		return !!this.points.length; /* != 0 */
  	}
  
  	seriesTypes.pie.prototype.hasData = hasDataPie;
  
  	if (seriesTypes.gauge) {
  		seriesTypes.gauge.prototype.hasData = hasDataPie;
  	}
  
  	if (seriesTypes.waterfall) {
  		seriesTypes.waterfall.prototype.hasData = hasDataPie;
  	}
  
  	H.Series.prototype.hasData = function () {
  		return this.dataMax !== undefined && this.dataMin !== undefined;
  	};
  	
  	/**
  	 * Display a no-data message.
  	 *
  	 * @param {String} str An optional message to show in place of the default one 
  	 */
  	chartPrototype.showNoData = function (str) {
  		var chart = this,
  			options = chart.options,
  			text = str || options.lang.noData,
  			noDataOptions = options.noData;
  
  		if (!chart.noDataLabel) {
  			chart.noDataLabel = chart.renderer.label(text, 0, 0, null, null, null, null, null, 'no-data')
  				.attr(noDataOptions.attr)
  				.css(noDataOptions.style)
  				.add();
  			chart.noDataLabel.align(extend(chart.noDataLabel.getBBox(), noDataOptions.position), false, 'plotBox');
  		}
  	};
  
  	/**
  	 * Hide no-data message	
  	 */	
  	chartPrototype.hideNoData = function () {
  		var chart = this;
  		if (chart.noDataLabel) {
  			chart.noDataLabel = chart.noDataLabel.destroy();
  		}
  	};
  
  	/**
  	 * Returns true if there are data points within the plot area now
  	 */	
  	chartPrototype.hasData = function () {
  		var chart = this,
  			series = chart.series,
  			i = series.length;
  
  		while (i--) {
  			if (series[i].hasData() && !series[i].options.isInternal) { 
  				return true;
  			}	
  		}
  
  		return false;
  	};
  
  	/**
  	 * Show no-data message if there is no data in sight. Otherwise, hide it.
  	 */
  	function handleNoData() {
  		var chart = this;
  		if (chart.hasData()) {
  			chart.hideNoData();
  		} else {
  			chart.showNoData();
  		}
  	}
  
  	/**
  	 * Add event listener to handle automatic display of no-data message
  	 */
  	chartPrototype.callbacks.push(function (chart) {
  		H.addEvent(chart, 'load', handleNoData);
  		H.addEvent(chart, 'redraw', handleNoData);
  	});
  
  }(Highcharts));
  