@Override
        	public void actionPerformed(ActionEvent e){
        		if(!isSelected){
        			isSelected = true;
        			setSelected(isSelected);
        		}
        		else {
        			isSelected = false;
        			setSelected(isSelected);
        		}
				//menu.getInfoPane().revalidate();
				//menu.getInfoPane().repaint();
				menu.setSelectedChapter(block.getChapterNumber(), bookNumber);
        	}