well, thats after someone gave me the script..
I pasted it on a text file and than I saved it as _rank.gsc
and after that I created a new folder named Cordinatot and inside it I created this folders
maps > mp > gametypes > _rank.gsc
and than I put it on the mods folder in the mw2 liberation folder and when I started the private match testing it said that we got a problem with the script..
what I did wrong?..