XMLHttpReques

function newXMLHttpRequest() {
 var xmlreq = false;
 if (window.XMLHttpRequest) {
  // Create XMLHttpRequest object in non-Microsoft browsers
  xmlreq = new XMLHttpRequest();
 } else if (window.ActiveXObject) {
  // Create XMLHttpRequest via MS ActiveX
  try {
   // Try to create XMLHttpRequest in later versions
   // of Internet Explorer
   xmlreq = new ActiveXObject("Msxml2.XMLHTTP");
  } catch (e1) {
   // Failed to create required ActiveXObject
   try {
    // Try version supported by older versions
    // of Internet Explorer
    xmlreq = new ActiveXObject("Microsoft.XMLHTTP");
   } catch (e2) {
    // Unable to create an XMLHttpRequest with ActiveX
   }
  }
 }
 return xmlreq;
}