<svg width="100%" height="100%" xmlns="http://www.w3.org/2000/svg" onload="setTimeout(boom, 30)" class="reftest-wait">

<script>

var originalRoot = document.documentElement;
var svgCircle;

function boom()
{
  var SVG_NS = "http://www.w3.org/2000/svg";

  var svgPolyline = document.createElementNS(SVG_NS, 'polyline');
  svgCircle   = document.createElementNS(SVG_NS, 'circle');

  svgCircle.appendChild(svgPolyline);
  
  document.removeChild(originalRoot);
  document.appendChild(svgCircle);

  setTimeout(restore, 30);
}

function restore()
{
  // We have to put it the root element back in the document so that reftest.js
  // sees the event for the removal of class="reftest-wait"!
  document.removeChild(svgCircle);
  document.appendChild(originalRoot);
  document.documentElement.removeAttribute("class");
}

</script>

</svg>