The script probably overides mIRCs settings. You'll have to check with the script author (or maybe it has a readme.txt or help file?) on how to hide them.
You may want to be careful if you are running Polaris - there are a lot of versions around which include "backdoors", allowing other people access to your computer.
PastMaster
IRCnet & DALnet @#travelersinn :-: IRC for fun and relaxation :-: