use the trace() function to see if you're using a correct reference to the masked and the mask movieclips.
Thank you very much for your time kglad, but I'm a designer with very little knowledge of AS, so If you could point me in the right direction with the trace() function I'll be eternally thankful.
What I have right now is this:
in my actions layer, in the same frame where my mask and masked mc's are:
Where should I use trace()?
remove the quotes from mask. and use:
Ok, thank you very much. I'll let you know.
Removing the quotes AND ticking cache as bitmap to my header movie clip solved the problem!!!
Thank you very much kglad!!!!!!!!!