public static function nextChannel():void {
            trace("Removed from stage: ", DisplayObject(_stage.removeChildAt(0)).name);
            tuner = Tuner.nextChannel();
            tuner.width = _stage.stageWidth;
            tuner.height = _stage.stageHeight;
            _stage.addChildAt(tuner, 0);
        }

        public static function showTuner(channelNr:int=0):void {
            trace("Removed from stage: ", DisplayObject(_stage.removeChildAt(0)).name);
            tuner = Tuner.getChannel(channelNr);
            tuner.width = _stage.stageWidth;
            tuner.height = _stage.stageHeight;
            _stage.addChildAt(tuner, 0);
        }