// JavaScript Document
 var req = createXMLHttpRequest();  
          
 function createXMLHttpRequest() {  
  var ua;  
  if(window.XMLHttpRequest) {  
  try {  
   ua = new XMLHttpRequest();  
  } catch(e) {  
   ua = false;  
  }  
  } else if(window.ActiveXObject) {  
   try {  
     ua = new ActiveXObject("Microsoft.XMLHTTP");  
   } catch(e) {  
     ua = false;  
   }  
  }  
 else if(window.ActiveXObject) {  
   try {  
     ua = new ActiveXObject("Msxml2.XMLHTTP");  
   } catch(e) {  
     ua = false;  
   }  
  }   
 return ua;  
 }  

  /* 
 function sendRequest(url,parameter, functionname) {  

   req.open('POST', url,true);  
   req.onreadystatechange = functionname;  
   req.send(null);  
 
 }  

 function handleResponse() {  
  if(req.readyState == 4){  
   var response = req.responseText;  
   document.getElementById("results").innerHTML = response;  
 }  
 }  
 */