I read faq and still have one problem. This way is nice and I want to use it <?php include("path/to/mainfile.php"); ...etc , but the problem is the structure of my site (I think so).
http://192.168.2.5/ - my old http site.http://192.168.2.5/xoops - XOOPS :)
And there is one huge directory (5gb), that I want to wrap (only ~40 index files)-http://192.168.2.5/doc - it is located on another hard drive, so it is aliased. These index files can't be moved anywhere (this will destroy all links).

The problem is "path/to/mainfile.php". XOOPS is not understanding paths likehttp://192.168.2.5/xoops/mainfile.php :( What can be done?