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.";  }}