HELP : onKeyPress LEFT

Hello,

May I ask for help on actionscripting. I am not much of a scripting guy and can only do so little about it. However, I managed to find a script that works for my simple animation that PLAYS the movie everytime I hit the RIGHT ARROW KEY. Now I am was wondering if it is possible to allow the PLAYHEAD to go back to the PREVIOUS MARKER / LABEL ON THE TIMELINE when LEFT ARROW KEY is pressed. What I have below is just a single MARKER which basically resets the playhead to the very beginning. I was thinking if this idea would work

gotoAndPlay(“gotoPreviousMarker”);

Thank you very much
ALLAN

var keyListener:Object = new Object();
keyListener.onKeyDown = function() {
if (Key.isDown(Key.LEFT)) {
gotoAndPlay(“splash01”);
}
if (Key.isDown(Key.RIGHT)) {
play();
}
};
Key.addListener(keyListener);