/* Highcharts Chart Options */
var chartOptions = {
	chart: {
		renderTo: 'chart',
		defaultSeriesType: 'bar'
	},
	title: {
		style: {
			color: '#000',
			font: '16px Lucida Sans, Lucida Grande, sans-serif',
			textShadow: 'none'
		}
	},
	subtitle: {
		style: {
			color: '#000',
			font: '14px Lucida Sans, Lucida Grande, sans-serif',
			textShadow: 'none'
		}
	},        
	xAxis: {
		categories: [],
		labels: {
			rotation: 0,
			align: "right",
			style: {
				fontSize:'10px'
			}
		}
	},
	yAxis: {
	},
	series: [],
	tooltip: {
		formatter: function() {
			return '<b>'+ this.x +'</b>: '+ addCommas(this.y);
		}
	 }
};