Forum How to detect main page using $FORUMID now?
 

I got a hard problem.
I was used artificial adv. banner plugin at my vbull ver.3
Different banners was placed detecting variable called forumid.
And.
I need to place different banners at all non-threads pages and main page.
For example /forum/calendar.php /forum/private.php - must have BANNER1
But /forum/ - must have BANNER2

In ver.3 all non-threads pages has $FORUMID=""
but main page has $FORUMID="-1"

Now $FORUMID at main page has empty value too :(
I'm stack....