This sample is using the variabe, chartVars, to set the URLs of layout and dataset.

●Script
var chartVars;
var layoutURL = "./LayoutXml/Column_3D_Layout.xml";
chartVars = "layoutURL="+layoutURL;
var dataURL = "./DataXml/multiData2.xml";
chartVars += "&dataURL="+dataURL;
KoolChart.create("chart1", "chartHolder", chartVars, "100%", "100%");