public void keyPressed(KeyEvent e) {
		if (e.getKeyCode() == KeyEvent.VK_ENTER) {
			try {
				if (textField_nr.hasFocus()) {
					requestProduct();
				}
				if (textField_name.hasFocus()) {
					postProduct();
				}

			} catch (IOException e1) {
				e1.printStackTrace();
			}
		}
	}