scrollListener.setDirection(POSITIVE_SCROLL); else scrollListener.setDirection(NEGATIVE_SCROLL);
scrollListener.setDirection(POSITIVE_SCROLL); else if (e.getSource() == decrButton) scrollListener.setDirection(NEGATIVE_SCROLL); scrollTimer.setDelay(100);
    public void mousePressed(MouseEvent e)    {      scrollTimer.stop();      scrollListener.setScrollByBlock(false);      if (e.getSource() == incrButton)	scrollListener.setDirection(POSITIVE_SCROLL);      else	scrollListener.setDirection(NEGATIVE_SCROLL);      scrollTimer.start();    }