The Tor Browser / file revision

 <?xml version="1.0"?>

 <?xml-stylesheet href="chrome://global/skin/global.css"?>

 <window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul" onload="boom();">

 <script type="text/javascript">

 function boom()

 {

   var XUL_NS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";

   var wizard = document.createElementNS(XUL_NS, "wizard");

   var space = document.createTextNode(" ");

   var hbox = document.createElementNS(XUL_NS, "hbox");

   hbox.setAttribute("anonid", "Buttons");

   document.documentElement.appendChild(wizard);

   wizard.appendChild(space);

   wizard.appendChild(hbox);

   wizard.cloneNode(true);

 }

 </script>

 </window>