** Rephrased **
Fails on Load in IE
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Test</title>
<script type="text/javascript" src="lib/jquery/jquery-1.3.2.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$(document).find('form').attr('id', 'FRM_0');
});
</script>
</head>
<body>
<h1>jQuery Dynamic Form</h1>
<form id="testForm" method="post" action="#" onsubmit="return false;">
<input type="hidden" name="id" value="" />
</form>
</body>
</html>