diagonal movement in a flash animation using as3

package {

    import flash.display.Sprite;
    import flash.events.Event;

    public class Cloud extends Sprite{

    	public var xSpeed:Number = 1;
    	public var ySpeed:Number = 1;

    	public function Cloud() {
    		addEventListener(Event.ENTER_FRAME, handleEnterFrame);
    	}

    	public function handleEnterFrame(e:Event):void {
    		x += xSpeed;
    		y += ySpeed;
    	}

    }

}