@Override
        public void paintNow(int frame, int totalFrames, int cycle) {
          int delay = totalFrames / 2;
          int frameAfterDelay = frame - delay;

          if (frameAfterDelay > 0) {
            myMouseOverScrollbarExpandLevel = frameAfterDelay / (float)(totalFrames - delay);
            if (scrollbar != null) scrollbar.repaint();
          }
        }
@Override
        public void paintNow(int frame, int totalFrames, int cycle)