// JavaScript Document

function callAjax(url, pageElement, callMessage, errorMessage) {
	
     document.getElementById(pageElement).innerHTML = callMessage;

try {
     req = new XMLHttpRequest(); 
     /* e.g. Firefox */
     } catch(el) {
       try {
       req = new ActiveXObject("Msxml2.XMLHTTP");  
       /* some versions IE */
       } catch (em) {
         try {
         req = new ActiveXObject("Microsoft.XMLHTTP");  
         /* some versions IE */
         } catch (en) {
          alert("Your browser broke!");
			return false;

         } 
       } 
     }
     req.onreadystatechange
        = function() {responseAHAH(pageElement, errorMessage);};
     req.open("GET",url,true);
    req.send();
  }

function responseAHAH(pageElement, errorMessage) {
   if(req.readyState == 4) {
      if(req.status == 200) {
         output = req.responseText;
         document.getElementById(pageElement).innerHTML
            = output;
         } else {
         document.getElementById(pageElement).innerHTML
            = errorMessage+"\n"+responseText;
         }
      }
  }