@Override
		public void actionPerformed(ActionEvent e) {
			
			if ( e.getSource() == certifications ) {
				switchContentPanel(new EditCertificationsPanel());
			} else if ( e.getSource() == users ) {
				switchContentPanel(new EditUsersPanel());
			} else if ( e.getSource() == tools ) {
				switchContentPanel(new EditToolsPanel());
			} else if ( e.getSource() == machines ) {
				switchContentPanel(new EditMachinesPanel());
			} else if ( e.getSource() == privileges ) {
				switchContentPanel(new EditPrivilegesPanel());
			} else if ( e.getSource() == generateReport ) {
				switchContentPanel(new GenerateReportPanel());
			} else if ( e.getSource() == viewActiveUsers ) {
				switchContentPanel(new ViewActiveUsersPanel() );
			} else if ( e.getSource() == viewToolsAndMachines ) {
				switchContentPanel(new ViewToolsAndMachinesPanel());
			} else if ( e.getSource() == logInUser ) {
				switchContentPanel(new LogInAnotherUserPanel());
			}
			JButton current = (JButton) e.getSource();
			current.setBackground(orange);
		}