syd919 0 Junior Poster in Training

Hello I am new to actionscript and i didnt know which forum to post in and may someone plz guide me to the right on.
I want to play a simple animation in actionscript 2 and I keep getting an error
Here is my code:

import flash.events*;
stop();
dude.stop();

go.addListener(onMouseUp.CLICK,startplaying);
function startplaying(event:onMouseUp):void{
play();
dude.play();
}

where go is my button and dude is my movie, i would appreciate any help TIA