Slashdot like comments and moderation

Ok I feel like a complete idiot for having to ask
this...

I want to implement the slasdot moderation system.  I
figured since PHPslash is a clone of slashcode, it
would be easy.  Comments seem to work fine.  However I
don't see a way to allow users to get Mod points and
then moderate the comments. =20

Am I just being stupid?  If I am can someone enlighten
me?

Thanks

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