function createRequestObject() {  

       var req;  
     
       if(window.XMLHttpRequest){  
          // Firefox, Safari, Opera...  
          req = new XMLHttpRequest();  
       } else if(window.ActiveXObject) {  
          // Internet Explorer 5+  
          req = new ActiveXObject("Microsoft.XMLHTTP");  
       } else {  
          // There is an error creating the object,  
          // just as an old browser is being used.  
          alert('Problem creating the XMLHttpRequest object');  
       }  
     
       return req;  
     
    }  
     
    // Make the XMLHttpRequest object  
    var http = createRequestObject();  
     
    function sendRequest(type, location, target, conf, var1, var2, var3, var4, var5, var6) {  
	targetLocation = target;  //fool IE, unique address prevents IE cache
	var time= new Date().getTime();
       // Open PHP script for requests  
 
       http.open('get', location+'?type='+type+'&conf='+conf+'&var1='+var1+'&var2='+var2+'&var3='+var3+'&var4='+var4+'&var5='+var5+'&var6='+var6+'&target='+target+ '&time='+time);  
	   
       http.onreadystatechange = handleResponse;  
       http.send(null);  
     
    }  
     
    function handleResponse() {  
     
       if(http.readyState == 4 && http.status == 200){  
     
          // Text returned FROM the PHP script  
          var response = http.responseText;  
     
          if(response) {  
             // UPDATE ajaxTest content  
             document.getElementById(targetLocation).innerHTML = response;  
          }  
     
       }  
     
    }