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anythin can be integrated if u know how..
but as for that specific rating system, it needs a lot of work..
it's not a matter of editing 1 file.. u would need to edit quite a few and turn that script into a function, as it is at moment the script isn't meant for dynamic content pages, so it would probably require rewriting so it can associate the rating with the article itself..
there are better systems outthere if you look, but either way, you'd be better to ask the question "can somebody do this hack?" instead of asking some1 to tell you how..
but you might want to suggest it to hervet and add it to the wish list for future news modules..