function expandTree() {
var allRootNode = new Array();
allRootNode = TreeView1.getChildren();
expandNode(allRootNode);
}
function expandNode(nodeArray) {
var i;
for (i = 0; i < nodeArray.length; i++) {
var cNode;
cNode = nodeArray[i];
if (parseInt(cNode.getChildren().length) != 0)
expandNode(cNode.getChildren());
cNode.setAttribute("Expanded ", "True ");
}
}