var isWorking = false;

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();
  	xmlhttp.overrideMimeType("text/xml");
    } catch (e) {
   	  xmlhttp = false;
    }
 	}
 return xmlhttp;
}


var http = getHTTPObject(); // We create the HTTP Object