function getHTTPObject() {
   var xmlhttp;
   /*@cc_on
   @if (@_jscript_version >= 5)
     try {
       xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
     } catch (e) {
       try {
         xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
       } catch (E) {
         xmlhttp = false;
       }
     }
   @else
   xmlhttp = false;
   @end @*/
   if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
     try {
       xmlhttp = new XMLHttpRequest();
     } catch (e) {
       xmlhttp = false;
     }
   }
   return xmlhttp;
 }