private function setEnabled(isEnabled:Boolean):Boolean {
    enabled = isEnabled;
    if(enabled === true){
        button.y = 0;
        this.buttonMode = true;
    } else {
        button.y = (-3 * _height);
        this.buttonMode = false;
    }
    return enabled;
}
protected function onMouseEnter(event:Event):void {
    if(enabled === true){
        if(down === false) button.y = (-1 * _height);
        over = true;
    }
}
protected function onMouseDown(event:Event):void {
    if(enabled === true){
        button.y = button.y = (-2 * _height);
        down = true;
    }
}
protected function onMouseUp(event:Event):void {
    if(enabled === true){
        if(over === false) button.y = 0;
        else button.y = (-1 * _height);
    }
    down = false;
}