<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>
<head>
<title>Untitled</title>

<style>


</style>
</head>
<body>


<iframe id="content" src="data:text/html;charset=utf-8,%3Chtml%3E%3Chead%3E%3C/head%3E%3Cbody%3E%0A%3Cscript%3E%0Avar%20wu%20%3D%20SpecialPowers.DOMWindowUtils%3B%0Avar%20i%20%3D%20Math.floor%28Math.random%28%29*20%29%3B%0Awu.sendMouseEvent%28%27mousedown%27%2C%20%2020*i%2C%2020*i%2C%200%2C%203%2C%200%29%3B%0Awu.sendMouseEvent%28%27mouseup%27%2C%20%2020*i%2C%2020*i%2C%200%2C%203%2C%200%29%3B%0A%3C/script%3E%0A%0A%3Cembed%20type%3D%22bbb%22%20style%3D%22display%3A%20-moz-inline-stack%3B%22%3E%0A%0A%3C/body%3E%3C/html%3E%22%20style%3D%22width%3A1000px%3Bheight%3A%20700px%3B"></iframe>
<script>
function doe2() {
document.getElementById('content').src = document.getElementById('content').src + '?1';

}
setInterval(doe2, 1000);
</script>
</body>
</html>