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 + "?dummy=" + new Date().getTime());

                 XMLHttpRequestObject.onreadystatechange = function()
                 {
                     if (XMLHttpRequestObject.readyState == 4 &&
                     XMLHttpRequestObject.status == 200) {
                         if ( XMLHttpRequestObject.responseText.length > 200) {

                            obj.innerHTML = XMLHttpRequestObject.responseText;
                         }
                     }
                 }

                 XMLHttpRequestObject.send(null);


             }
         }

          function kluge() {
             getData('gamemenu.html','targetDiv');
         }

         function timer() {
             intervalID = setInterval("kluge()",180000);
         }