script for change class in GzBkCp

as the title says...

i've included this in the control cp, and of course its blank when you click it

http://img295.imageshack.us/img295/8863/changeclass.jpg

im not good in scripts, anyone could help or give some scripts on changing class on GzBkCp

thanks!!!!!

Try to Search here before posting it.

ok ive found one thanks....atlast!!!