Getting back my old dock? Help.

[Khryz]

So maybe only a few weeks after Leopard was released I downloaded some files from someone and put there somewhere in my system that replaced the default dock files, making my dock darker and changing the colors of the "active light" circles under an App when it is opened -- and I think I want my old dock back.

But like I said, I can't remember at all what I did. I still have the files for my old dock I THINK so can someone just point me on the steps to get it back? Where the files are that I need to replace back with the original files?

Thanks!