i would like to itegrate autoindex script so that uses my phpbb2 session!

Link to script:
http://autoindex.sourceforge.net/
Version 1.0

phpbb2 session:
http://www.phpbb.com/kb/article.php?article_id=143


I already try to integrated by my self,bot no luck,doesent work!

Can you please help me?
Sorry for my bad english i`m from slovenia