Using button outside of a movie clip to navigate

I have 2 buttons on the root of the flash, i want use those buttons to control the frames of a movie clip, how can it be done?

give the button an instance name - say - myBtn
give the movieclip an instance name - say - myClip
give the frames in the movieclip you wish to navigate to, unique frame labels.

from the main timeline, navigate to the movieclip timeline labels with -

PHP Code:

---

myBtn.onRelease = function(){
_root.myClip.gotoAndStop("label3");
}; 


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thanks for the help