function start(folderName, nodeID, treeDepth) {
var xmlDoc = new ActiveXObject("Microsoft.XMLDOM")
xmlDoc.async = false;
xmlDoc.load("../ws/Tree.asmx/getTreeStr?folderName=" + encodeURI(folderName) + "&nodeID=" + nodeID );
var root = xmlDoc.documentElement;
eval(root.childNodes.item(0).text);
}