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>
(verstecken) Wenn du jemanden in seiner Landessprache grüssen willst versuche unser Spielerwörterbuch im Link: Mehr über Sprachen unter den Fahnen. (pauloaguia) (zeige alle Tips)