I see you have some sort of jquery preloader running I would try to disable this and see if it works. In the code I see:
<script type='text/javascript' src='
http://ajax.googleapis.com/ajax/libs/jquery/1.3/jquery.min.js'></script>
<link rel="stylesheet" href="/main/css/queryLoader.css" type="text/css" />
<script type='text/javascript' src='js/queryLoader.js'></script>