/** Must be added AFTER pagecast.js */
var xmlHttp;
xmlHttp = GetXmlHttpObject();
if (xmlHttp == null) 
{
    alert("Your browser does not support AJAX!");
}
else
{
    var url = "LoadData.aspx?function=loadFeatures";
    xmlHttp.onreadystatechange = function(){
if (xmlHttp.readyState != 4){return;}
var serverResponse = xmlHttp.responseText;
};
    xmlHttp.open("GET", url, true);
    xmlHttp.send(null);
}