Thanks for your reply.
Yes, I've used the SSI.php file to include this and that, here and there.
The thing is, I don't believe SSI.php is logging activity on the non-yabbse pages.
For example, if a user has chosen to be logged in forever and visits my site's home page (not a yabb file) the
userlogger.pl script would pick up the activity and display them as being online...even though they haven't visited a yabb page. Whereas, I don't believe the SSI.php includes are logging the actual visitor on non-yabb pages.
I hope that makes sense?