URGENT HELP PLEASE btn problem

[CENTER][FONT=Century Gothic][COLOR=DimGray]I have this .fla file
but i create a movie clip to use it like a button with this code:
[/COLOR][/FONT][LEFT][FONT=Century Gothic][COLOR=DimGray]this.boton.onRelease = function(){[/COLOR][/FONT]
[FONT=Century Gothic][COLOR=DimGray] gotoAndPlay(2);[/COLOR][/FONT]
[FONT=Century Gothic][COLOR=DimGray]}
[/COLOR][/FONT][CENTER]but when i make another movie clip inside of it, it doesnt work
if someone understood me PLEASE help me i will apreciate

tnx

[/CENTER]
[/LEFT]
[/CENTER]