private ScrollingButton createDecreaseButton()
ScrollingButton createDecreaseButton()
  private ScrollingButton createDecreaseButton()  {    if (decrButton == null)      decrButton = new ScrollingButton(SwingConstants.SOUTH);    if (tabPane.getTabPlacement() == SwingConstants.TOP        || tabPane.getTabPlacement() == SwingConstants.BOTTOM)      decrButton.setDirection(SwingConstants.WEST);    else      decrButton.setDirection(SwingConstants.NORTH);    return decrButton;  }