var nodeText;
function onMapsTreeNodeClick(node)
{ 
    var message = 'ControlID=Map1&ControlType=Map&EventArg=';
    var context = "Map1";
    message = message + 'LoadTheme~' + node.text;
    nodeText = node.text;
    eval("WebForm_DoCallback('__Page',message,processThemeTextCallbackResults,context,null,true)");    
    window.setTimeout("NCSToc.SelectGroup('" + nodeText + "', true)", 0);
}

function processThemeCallbackResult(s)
{
    ESRI.ADF.System.processCallbackResult(s);
}