[MOHCTEP]

1.

import mx.transitions.Tween;
import mx.transitions.easing.None;
var tween:Tween = new Tween (this, "_alpha", None.easeNone, 100, 50, 0.2, true);
tween.onMotionFinished=function(){
var alpha:Number=100;
var dur:Number=.2;
tween.continueTo(alpha,dur);
}

2.

this.onPress=null;