$(function () {  
							var seriesColor = new Array();
							var is_set = 0;
								$('#cpu_mem_used').highcharts({
										chart: {
										zoomType: 'x',
										backgroundColor: '#1d2132',
										marginTop: 5,
										marginBottom: 15,
										marginLeft: 10,
										marginRight: 0
									},
										title: {
											text: null
										},
										subtitle: {
											text: null
										},
									xAxis: {
										type: 'category',
										tickWidth: 0,
										tickInterval: 55,
										gridLineWidth: 1,
										labels: {
											align: 'center',
											x: 0,
											y: 12
										},
									},
									yAxis: {
										tickWidth: 0,								
										tickAmount: 3,
										min: 0,
										labels: {
											align: 'left',
											x: -3,
											y: 10,
											format: '{value:.,0f}'
										},
										title: {
												text: null
											},
										showFirstLabel: false
									},
										    legend: {
										itemStyle: {
														fontSize: '8pt',
														fontWeight: 'normal',
													},
										floating: true,
										align: 'right',											
											x: 15,
											y: -17,
										verticalAlign: 'top',
										borderWidth: 0
									},
									plotOptions: {
										area: {
												fillColor: {
													linearGradient: {
														x1: 0,
														y1: 70,
														x2: 0,
														y2: 0
													},	
													stops: [
														[0, Highcharts.getOptions().colors[0]],
														[1, Highcharts.Color(Highcharts.getOptions().colors[0]).setOpacity(0).get('rgba')]
													]
												},
												marker: {
													radius: 0
												},
												lineWidth: 2,
												states: {
													hover: {
														lineWidth: 3
													}
												},
												threshold: 'null'
												},
										series: {
											type: 'area',
											borderWidth: 0,
											dataLabels: {
												enabled: false,
												format: '<div style="text-align:center;line-height:100%"><span style="font-size:10px;color:#88b8c8">{point.y:,.0f}</span></div>'
											}
										}                
									},
									credits: {
												enabled: false
											 },
									navigation: {
													buttonOptions: {
													enabled: false
													}
												},
									series: [{
										type: 'area',
										name: 'CPU',
										lineWidth: 1,
										data: []
									},
									{
										type: 'area',
										name: 'Memory',
										lineWidth: 1,
										data: []
									}],
									tooltip: {
									shared: true,
									crosshairs: true,
									pointFormat: '<span style="color:{series.color}">{series.name} : {point.y:,.0f}%<br/>',
									backgroundColor: {
										linearGradient: { x1: 0, y1: 0, x2: 0, y2: 1 },
										stops: [
											[0, 'rgba(96, 96, 96, .8)'],
											[1, 'rgba(16, 16, 16, .8)']
										]
									},
									borderWidth: 0,
									style: {
										color: '#FFF'
									}
								},
							},
							function(chart) {
								setInterval(function refresh() {
									var series_cpu = chart.series[0];
									var series_mem = chart.series[1];
									$.ajax({
										url: './data/redstar_cpu_used_line.json',
										dataType: 'json',
										success: function(data) {
											if (is_set[0] == 1) {
												series_cpu.addPoint(eval(data[data.length - 1]), true, true);												
											}
											if (is_set[0] != 1) {
												series_cpu.setData(data);
												is_set[0] = 1;
											}
										},
										cache: false
									}),
									$.ajax({
										url: './data/redstar_mem_used_line.json',
										dataType: 'json',
										success: function(data) {
											if (is_set[1] == 1) {
												series_mem.addPoint(eval(data[data.length - 1]), true, true);												
											}
											if (is_set[1] != 1) {
												series_mem.setData(data);
												is_set[1] = 1;
											}
										},
										cache: false
									})
									return refresh;
								}(), 20000);
							});
						});