var theme = {
	colors: ['#514F78', '#42A07B', '#9B5E4A', '#72727F', '#1F949A',
		'#82914E', '#86777F', '#42A07B'],
	chart: {
		className: 'skies',
		borderWidth: 0,
		plotShadow: true,
		plotBackgroundImage: 'http://www.highcharts.com/demo/gfx/skies.jpg',
		plotBackgroundColor: {
			linearGradient: [0, 0, 250, 500],
			stops: [
				[0, 'rgba(255, 255, 255, 1)'],
				[1, 'rgba(255, 255, 255, 0)']
			]
		},
		plotBorderWidth: 1
	},
	title: {
		style: {
			color: '#3E576F',
			font: '16px Lucida Grande, Lucida Sans Unicode,' +
				' Verdana, Arial, Helvetica, sans-serif'
		}
	},
	subtitle: {
		style: {
			color: '#6D869F',
			font: '12px Lucida Grande, Lucida Sans Unicode,' +
				' Verdana, Arial, Helvetica, sans-serif'
		}
	},
	xAxis: {
		gridLineWidth: 0,
		lineColor: '#C0D0E0',
		tickColor: '#C0D0E0',
		labels: {
			style: {
				color: '#666',
				fontWeight: 'bold'
			}
		},
		title: {
			style: {
				color: '#666',
				font: '12px Lucida Grande, Lucida Sans Unicode,' +
					' Verdana, Arial, Helvetica, sans-serif'
			}
		}
	},
	yAxis: {
		alternateGridColor: 'rgba(255, 255, 255, .5)',
		lineColor: '#C0D0E0',
		tickColor: '#C0D0E0',
		tickWidth: 1,
		labels: {
			style: {
				color: '#666',
				fontWeight: 'bold'
			}
		},
		title: {
			style: {
				color: '#666',
				font: '12px Lucida Grande, Lucida Sans Unicode,' +
					' Verdana, Arial, Helvetica, sans-serif'
			}
		}
	},
	legend: {
		itemStyle: {
			font: '9pt Trebuchet MS, Verdana, sans-serif',
			color: '#3E576F'
		},
		itemHoverStyle: {
			color: 'black'
		},
		itemHiddenStyle: {
			color: 'silver'
		}
	},
	labels: {
		style: {
			color: '#3E576F'
		}
	}
};