<html xmlns="http://www.w3.org/1999/xhtml" class="reftest-wait">
<head>
<script type="text/javascript">

function boom()
{
  document.body.offsetHeight;

  var parent = document.getElementById("parent");

  var newelt = document.createElement("div");
  newelt.appendChild(document.createTextNode(3));
  parent.appendChild(newelt);

  newelt = document.createElement("div");
  newelt.appendChild(document.createTextNode(4));
  parent.appendChild(newelt);

  var XUL_NS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
  var hbox = document.createElementNS(XUL_NS, "hbox");
  hbox.appendChild(document.createTextNode(5));
  parent.appendChild(hbox);

  document.body.offsetHeight;
  document.documentElement.className = "";
}

</script>
</head>

<body onload="boom();">
<div id="parent">
  <div>1</div>
  <div>2</div>
</div>
</body>
</html>