[udaaff]

but.onRollOver = function () {
	this.tween.stop();
	this.tween = new Tween(this, "_height", None.easeOut, this._height, 48, 0.5, true);
}

but.onRollOut = but.onReleaseOutside = function () {
	this.tween.stop();
	this.tween = new Tween(this, "_height", None.easeOut, this._height, 15, 0.2, true);
}