my forum has many different PR`s

Hi.
www....com/forum has PR0
www....com/forum/index.php? has PR2
url]www....com/forum/index.php?act=idx[/url]has PR2
www....com/forum index.php has PR4

That PR stuff is not so important, but it seems like Google are seeing the page as many different pages. I don`t like that. What should I do to make Google look at that three pages as the same page ?

Sorry if this is in the wrong forum, but its my best choise.

 

They are all different pages according to google;you should 301 redirect all to index.php (one with the highest PR).

 

I suppose the same goes for other pages in the forum, posts, threads and so on. I cannot manually redirect all, is there an easier way ? Like to block some file endings or whatever ?

 

you don't want to redirect all your pages just ones where different URLs point tot the same page

 

I want www....com/forum to have the priority not www....com/forum/index.php
I am puzzled why .../index.php get the link love, because I do not link to it. I link to .../forum.