public void mouseExited(MouseEvent e) { // if mouse stops hovering over top right options...
		if (e.getSource()==InScreens.getBookHubButton()) { // animate BookHub option
			system.getContentPane().remove(InScreens.getBookHubSelected());
			system.getContentPane().add(InScreens.getOptionsUnselected(),0);
			system.getContentPane().repaint(755,3,213,125);
		}
		if (e.getSource()==InScreens.getInfoCentreButton()) { // animate InfoCentre option
			system.getContentPane().remove(InScreens.getInfoCentreSelected());
			system.getContentPane().add(InScreens.getOptionsUnselected(),0);
			system.getContentPane().repaint(755,3,213,125);
		}
		if (e.getSource()==InScreens.getSocialNetworkButton()) { // animate SocialNetwork option
			system.getContentPane().remove(InScreens.getNetworkSelected());
			system.getContentPane().add(InScreens.getOptionsUnselected(),0);
			system.getContentPane().repaint(755,3,213,125);
		}
	}