<?xml version="1.0"?>
<?xml-stylesheet href="chrome://global/skin/" type="text/css"?>

<window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul" onload="setTimeout(boom, 0);">

<script type="text/javascript">

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

function boom()
{
  // Fire off an image load, then leave while the image load is pending.

  document.getElementById("image").src = "data:text/html,foo";
  location = "data:text/html,elsewhere";
}

</script>

<tree><treechildren/></tree><image id="image"/>

</window>