View source for HotSpot external login page

This is the login.html that is uploaded to the router in the hotspot directory.
<pre><html>
<title>...</title>
<body>
<form name="redirect" action="http://68.99.58.117/logintest.php" method="post">
<input type="hidden" name="mac" value="$(mac)">
<input type="hidden" name="ip" value="$(ip)">
<input type="hidden" name="username" value="$(username)">
<input type="hidden" name="link-login" value="$(link-login)">
<input type="hidden" name="link-orig" value="$(link-orig)">
<input type="hidden" name="error" value="$(error)">
<input type="hidden" name="chap-id" value="$(chap-id)">
<input type="hidden" name="chap-challenge" value="$(chap-challenge)">
<input type="hidden" name="link-login-only" value="$(link-login-only)">
<input type="hidden" name="link-orig-esc" value="$(link-orig-esc)">
<input type="hidden" name="mac-esc" value="$(mac-esc)">
</form>
<script language="JavaScript">
<!--
   document.redirect.submit();
//-->
</script>
</body>
</html></pre>