How write series line chart xml

window.onload = function(){
var chart1 = new dhtmlXChart({
view:“line”,
container:“chart1”,
value:“#companyA#”,
item:{
borderColor: “#3399ff”,
color: “#ffffff
},
line:{
color:“#3399ff”,
width:3
},
xAxis:{
template:“#year#”
},
yAxis:{
start:-2,
step:1,
end:8
},
padding:{
left:35,
bottom:20
},
origin:0,
legend:{
layout:“x”,
width: 75,
align:“center”,
valign:“bottom”,
marker:{
type:“round”,
width:15
},
values:[
{text:“company A”,color:“#3399ff”},
{text:“company B”,color:“#66cc00”}
]
}
})

	chart1.addSeries({
		value:"#companyB#",
		item:{
			borderColor: "#66cc00",
			color: "#ffffff"
		},
		line:{
			color:"#66cc00",
			width:3
		}
	})
	chart1.load("graphic.xml");
}


Example:

<data> <item id="1"> <companyA>-2</sales> <companyA>1</sales> <year>2000</year> </item> <item id="2"> <companyA>-0.8</sales> <companyA>0.9</sales> <year>2001</year> </item> .... </data>