<html>
<body>
<form id="form" method="POST" action="./page_with_two_frames.html"></form>
<script type="text/javascript">
document.getElementById("form").submit();
</script>
</body>
</html>
<html>
<body>
<form id="form" method="POST" action="./page_with_two_frames.html"></form>
<script type="text/javascript">
document.getElementById("form").submit();
</script>
</body>
</html>