Uload a movieclip

Hello

I`m new in flash and i need some help

i have a button to unload a movieclip and target other. my code is

on (realase)
uloadMovie (“mymovieclip1”)
tellTarget("_root.mymovieclip2")
gotoAndPlay (1)

When i see the swf file the movieclip1 uload but i can`t see the movieclip2
why?

Please someone can help me

Thanks