Add some coding to a chat site

I am after some coding to be added to x7chat php source code this is open source and can be downloaded from [[login to view URL]][1] in the admin Console go to the groups management when you click on add group i want a new box added so i can make the group have red nick names example:if the box is ticked all the nicknames in that group will have red nicknames,,,if the box is left unticked they will have black nicknames