function gethttp(){
var xmlhttp=false;
/*@cc_on @*/
/*@if (@_jscript_version >= 5)
// JScript gives us Conditional compilation, we can cope with old IE versions.
// and security blocked creation of the objects.
 try {
  xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
 }catch (e){
  try {xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");}catch (E){xmlhttp = false;}
 }
@end @*/
if (!xmlhttp && typeof XMLHttpRequest!='undefined'){try{xmlhttp = new XMLHttpRequest();}catch(e){xmlhttp=false;}}
if (!xmlhttp && window.createRequest){try{xmlhttp=window.createRequest();}catch(e){xmlhttp=false;}}
return xmlhttp;
}