Hey David, As always, you came thru with the correct answer to someone's problem, this time the beneficiary being me :) Thanks and keep up the good work! With Best, Steve __ _ / / (_)__ __ ____ __ / /__/ / _ \/ // /\ \/ / . . . t h e c h o i c e o f a /____/_/_//_/\_,_/ /_/\_\ G N U g e n e r a t i o n . . . kiwon@cs.ualberta.ca