public void actionPerformed(ActionEvent event)
	{
		if(event.getActionCommand().equals("Log Off"))
			SystemInit.setLogInScreen();
		else if(event.getActionCommand().equals("Delete All"))
			ReceiptPanel.clearReceipt();
		else if(event.getActionCommand().equals("Delete Line"))
			ReceiptPanel.deleteItem();
		else if(event.getActionCommand().equals("Checkout"))
			ReceiptPanel.saveReceipt();
		else if(event.getActionCommand().equals("System"))
			SystemInit.setAdminScreen();
		else if(event.getActionCommand().equals("Categories"))
			menuPanel.displayCategories();
		else if(event.getActionCommand().equals("Remove Customer Info"))
			ReceiptPanel.removeCustomer();
		else if(event.getActionCommand().equals("Customer"))
		{
			customer = new CustomerGUI();
			customer.setVisible(true);
		}
	}