I have the Auth down as well. It posts some html when I try to authenticate:
Gatherbuddy 1.7.3
Authenticating
Attempting Authorization
AttemptAuth: FAILED!
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<title>Bossland GmbH </title>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<SCRIPT LANGUAGE="JavaScript">
<!-- START
var pgescape = "";
var sess_expires = "250000";
var cookie_name = "GB";
var SESS = "e1e0f04d5477a995901495ff2f88566f";
var URL = "http://www.buddyshop.biz/";
var SSL_URL = "http://www.buddyshop.biz/";
var THEME_NAME = "default";
if (top.location != location) {
top.location.href = document.location.href ;
}
// END -->
</SCRIPT>
<style type="text/css">
@import url('themes/default/style.css');
</style>
<!-- Load the main javascript code -->
<SCRIPT SRC="themes/default/top.js"></SCRIPT>
<script type="text/javascript">
var _gaq = _gaq || [];
_gaq.push(['_setAccount', 'UA-3119570-24']);
_gaq.push(['_trackPageview']);
(function() {
var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
})();
</script>
</head>
<body>
<br />
<br />
<div id="content">
<table width="750" border="0" align="center" ><font size="-2">
<tr>
<td width="100"><font size="-1"><a href="http://www.buddyshop.biz/">Shop Home</a></font></td>
<td width="60"><font size="-1"><a href="http://www.buddyforum.de" target="_blank">Forum</a></font></td>
</tr>
</table></td>