function makeRequest(url, strReturn) { 
       if (window.XMLHttpRequest) { // Mozilla, Safari,... 
           http_request = new XMLHttpRequest(); 
       } else if (window.ActiveXObject) { // IE 
           http_request = new ActiveXObject("Microsoft.XMLHTTP"); 
       } 
       eval(strReturn);
       http_request.open('GET', url, true); 
       http_request.send(null); 

   } 
	
   function WriteHTTPResponseText() { 
       if (http_request.readyState == 4) { 
           if (http_request.status == 200) { 
           	TargetEl.innerHTML = "";
               TargetEl.innerHTML = http_request.responseText; 
           } else { 
               alert('There was a problem with the request.');
               TargetEl.innerHTML = http_request.responseText; 
           } 
       } 
    }
    
    function WriteHTTPResponseValue() { 
       if (http_request.readyState == 4) { 
           if (http_request.status == 200) { 
           	TargetEl.value = "";
               TargetEl.value = http_request.responseText; 
           } else { 
               alert('There was a problem with the request.');
               TargetEl.value = http_request.responseText; 
           } 
       } 
    }