Yeah I use a bookmark for the forum index too, so I guess that's why I didn't have problems.
Some idiots hacked the home page (http://www.playmofriends.com). I didn't know about it until someone told me yesterday because I only use a bookmark of the forum index page (http://www.playmofriends.com/forum/) to visit the forum. So far they never managed to tamper with that one.I uploaded a fresh version of the home page last night and it has fixed the problem... for now, anyway.
Did you change the ftp password? You probably should.
Some idiots hacked the home page (http://www.playmofriends.com).