function TreeView1_onContextMenu(sender, eventArgs) 
{
    nodeMenu.showContextMenuAtEvent(eventArgs.get_event(), eventArgs.get_node());
}


function Menu_onItemSelect(sender, eventArgs) {
    var menuItem = eventArgs.get_item();
    var contextDataNode = menuItem.get_parentMenu().get_contextData();
    var feedback = '"' + menuItem.get_text() + '" command was issued on the "' + contextDataNode.get_text() + '" node from "' + contextDataNode.get_value() + '".';
    //document.getElementById('contextCommand').innerHTML = feedback;
    return true;
}