changeSupport.firePropertyChange(propertyName, new Boolean(oldValue), new Boolean(newValue));
changeSupport.firePropertyChange(propertyName, Boolean.valueOf(oldValue), Boolean.valueOf(newValue));
  public void firePropertyChange(String propertyName, boolean oldValue,                                 boolean newValue)	{          if (changeSupport != null)            changeSupport.firePropertyChange(propertyName, new Boolean(oldValue), 	                                     new Boolean(newValue));	}