Well, I'm stumped. Any time I see "function not defined" for a function I'm sure that I've defined, it always comes down to a silly syntactical error or something. Like, I've called it a sub when I meant a function, or some such. Look for that kind of thing first. Also, when it has "sub or function not defined" on your screen, press F1 and it'll list all the reasons that the error might appear.