function getHTTPRequestObject() {
    var xmlHttpRequest;
  /*@cc_on
  @if (@_jscript_version >= 5)
    try {
      xmlHttpRequest = new ActiveXObject("Msxml2.XMLHTTP");
    } catch (exception1) {
      try {
        xmlHttpRequest = new ActiveXObject("Microsoft.XMLHTTP");
      } catch (exception2) {
        xmlhttp = false;
      }
    }
  @else
  xmlhttpRequest = false;
  @end @*/
 
    if (!xmlHttpRequest && typeof XMLHttpRequest != 'undefined') 
    {
        try 
        {
          xmlHttpRequest = new XMLHttpRequest();
        } 
        catch (exception) 
        {
          xmlHttpRequest = false;
        }
    }
    return xmlHttpRequest;
}