It's because some users post the link without the "www" part, and if your cookies already use set with the "www" part there, it takes you to the logon screen.
The best solution is when users make links to other places inside of BrainKing, is just do it like this:
<A.HREF="/game/ShowFellowship?fid=100"> link <./a>
(sakla) If someone told you something in a language you don't understand you can ask for help in the Languages board. (pauloaguia) (Bütün ipuçlarını göster)