Access to a Movie Clip inside a Button

Hello!

I’m using Flash CS3 with Actionscript 2.0.

I have a Button. This include on “UP” frame a Movie Clip with a Dynamic Text in.

The Button have Instance Name = boton
The Movie Clip have Instance Name = pelicula
Dynamic Text have a variable called = texto

So, I use this code in the main scene:

boton.pelicula.texto = "new text";

but don’t works, I think is something with the Frame “UP”.

Many Thanks!