function doCallbackHtml(id, param, callback)
{
                  var url;
                  if(document.URL.indexOf(".aspx")<0)
                  {
                  url=document.URL+"default.aspx";
                  }
                  else { url = document.URL; }
                  url = url.replace(/#/g, '')
                  var postData = "__CALLBACKID=" + escape(id) +
                  "&__CALLBACKPARAM=" +
                  escape(param) +
                  "&__VIEWSTATE=&";
                  PostCallback(url, postData,callback);
}
            
function PostCallback(URL,postData,CompleteMethod) 
{
    var xmlHttp;
    try 
    {
        xmlHttp = new XMLHttpRequest();
    } catch (e) {
        try {
            xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
        } catch (e) {
            try {
                xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {
                alert("This sample only works in browsers with AJAX support"); 
                return false;
            }
        }
    }
    xmlHttp.onreadystatechange=function()
    {
        if(xmlHttp.readyState == 4)
        {
              CompleteMethod(xmlHttp.responseText);
        }
    }
    xmlHttp.open("POST", URL, true);
    xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
    xmlHttp.send(postData);
}