var request=null;
/*
function createrequest() {
 if(window.ActiveXObject) {
  try { request = new ActiveXObject("Msxml2.XMLHTTP");
  } catch(e) {
   try { request = new ActiveXObject("Microsoft.XMLHTTP");
   } catch(e) { request = false; }
  }
 }else if(window.XMLHttpRequest) {
  try { request = new XMLHttpRequest();
  } catch(e) { request = false; }
 }else{
 }
 return request; 
}
*/

function createrequest() {
	if (window.XMLHttpRequest)
	  {// code for IE7+, Firefox, Chrome, Opera, Safari
	  request=new XMLHttpRequest();
	  }
	else
	  {// code for IE6, IE5
	  request=new ActiveXObject("Microsoft.XMLHTTP");
	  }
	  return request;
}