keyListener = new Object();
keyListener.onKeyDown = function() {
    x = Key.getAscii();
    trace("You hit: " + x);
};
Key.addListener(keyListener);

CharacterMC = _root.createEmptyMovieClip('CharacterMC'+Algebra.Random(1, 1000), Depth.Next());
 y = Key.getAscii();
if (y == 97) {
	CharacterMC.loadMovie("ChrisWalkBkward.swf");
}
if (y == 100) {
	this.CharacterMC.loadMovie("ChrisWalkBkward.swf");
}