function fetchPage(url) {
     var pageRequest = false;
     if (window.XMLHttpRequest) pageRequest = new XMLHttpRequest();
     else if (window.ActiveXObject) pageRequest = new ActiveXObject("Microsoft.XMLHTTP");
     else return false;
     pageRequest.onreadystatechange = function(){
         return true;
     }
     try{
         pageRequest.open('GET', url, false);
         pageRequest.send(null);
     }catch(err){}
 }