The Tor Browser / file revision

 <?xml version="1.0" encoding="UTF-8"?>

 <svg xmlns="http://www.w3.org/2000/svg">

 <bindings xmlns="http://www.mozilla.org/xbl">

   <binding id="foo">

     <content>

       <animate xmlns="http://www.w3.org/2000/svg" begin="a.begin">

         <children xmlns="http://www.mozilla.org/xbl"/>

       </animate>

     </content>

   </binding>

 </bindings>

 <animate id="a" begin="b.begin; 3s"/>

 <animate id="b" begin="a.begin"/>

 <script type="text/javascript">

 function boom()

 {

   document.documentElement.pauseAnimations();

   document.documentElement.setCurrentTime(0);

   document.getElementById('a').beginElementAt(1);

   document.documentElement.style.MozBinding = 'url(#foo)';

 }

 window.addEventListener("load", boom, false);

 </script>

 </svg>