This is something I do almost all the time. The only time I do use the POI database is when my friends and I are already on the road and want to check something out we didn't plan on going to, see what's around the area.
What browser are you using?
When you login to the forum, you should see a checkbox to 'Remember your login' or something like that. Check that and when you visit the site you should always be logged in.
I know with firefox, when you login to a site for the first time you get asked to...