var XMLHttpRequestObject = false;
if (window.XMLHttpRequest)
   {
     XMLHttpRequestObject = new XMLHttpRequest();
   } else if (window.ActiveXObject)
   {
      XMLHttpRequestObject = new ActiveXObject("Microsoft.XMLHTTP");
   }
function getData(dataSource, divID)
   {
      if(XMLHttpRequestObject)
      {
         var obj = document.getElementById(divID);
         XMLHttpRequestObject.open("GET", dataSource);
         XMLHttpRequestObject.onreadystatechange = function()
            {
               if (XMLHttpRequestObject.readyState == 4 &&
               XMLHttpRequestObject.status == 200) {
               obj.innerHTML = XMLHttpRequestObject.responseText;
            }
        }
      XMLHttpRequestObject.send(null);
      }
   }