Fading MC help

programming flash
1

hey all I need some help with getting this MC to fade on release, it fades in but i can not get it to fade out please help


onClipEvent(load){
    this._alpha=0;
    this.fader=1;
}
onClipEvent(enterFrame){
    if (this.fader==1){
        this._alpha+= 2;
        if (this._alpha>=100){
            this.fader=0;
        } 
    }else if (this.fader==2){
        this._alpha-= 2;
        if (this._alpha<=0){
            this.fader=0;
        }
    }
}
on (release){
    if (this.fader==1){
        this._alpha+= -2;
        if (this._alpha>=100){
            this.fader=0;
        } 
    }else if (this.fader==2){
        this._alpha-= -2;
        if (this._alpha<=0){
            this.fader=0;
        }
    }
}