FLASH 8; How do i make the movie playing after the mouse hovers our of the button ?

okay, my button is a different object, and the movie clip it has to play is a different object, now, can someone come up with the actionscript code that would make the movie to play, when the mouse goes over the button, and too keep playing even if the mouse leaves the button area ?FLASH 8; How do i make the movie playing after the mouse hovers our of the button ?
On the button:





on(rollOver){


_root.mc.play();


}





Change ';mc'; to the instance name you have given the movieclip that you want to play.