function clientSideInclude(id, url) {
   var req = false;
   // For Safari, Firefox, and other non-MS browsers
   if (window.XMLHttpRequest) {
     try {
       req = new XMLHttpRequest();
     } catch (e) {
       req = false;
     }
   } else if (window.ActiveXObject) {
     // For Internet Explorer on Windows
     try {
       req = new ActiveXObject("Msxml2.XMLHTTP");
     } catch (e) {
       try {
         req = new ActiveXObject("Microsoft.XMLHTTP");
       } catch (e) {
         req = false;
       }
     }
   }
  var element = document.getElementById(id);
  if (!element) {
   alert("Bad id " + id + 
    "passed to clientSideInclude." +
    "You need a div or span element " +
    "with this id in your page.");
   return;
  }
   if (req) {
     // Synchronous request, wait till we have it all
     req.open('GET', url, false);
     req.send(null);
     element.innerHTML = req.responseText;
   } else {
     element.innerHTML =
    "Sorry, your browser does not support " +
       "XMLHTTPRequest objects. This page requires " +
       "Internet Explorer 5 or better for Windows, " +
       "or Firefox for any system, or Safari. Other " +
       "compatible browsers may also exist.";
   }
 }