continuous outlogging

Hi folks,

One quick question. When I spend significant time on DIY forum, after logging in, if I post a message, I have to log again. As if after, say, 10 minutes or so, the system seems to consider me unlogged.. what is the problem??

It means that I have to relog every 10 minutes or so. Annoying. Other then that, I really love this forum. Great work. Yes, I'll consider a donation soon. I wish to encourage this forum.