//Write the script on frame 1
stop();
var total=this._totalframes;
onEnterFrame= function(){
        this.gotoAndStop(i--);
        //trace(i);
}
/*create two button give the instance name "play_btn" and "reverse_btn"*/
reverse_btn.onRelease=function(){i=total};
play_btn.onRelease=function(){gotoAndPlay(2);
};

//simple player controler
//press space to pause movie and enter to play ^^

Key.addListener(this);
this.onKeyDown = function() {
        if (Key.isDown(Key.SPACE)) {
                _root.stop();
        }
        if (Key.isDown(Key.ENTER)) {
                _root.play();
        }
};