private final JPanel createCenterTopPanel() {
		final JPanel center_panel = new JPanel(new GridLayout(5, 2));

		// number result will be display only after the search and analyzing.
		my_ave_parse_result = new JLabel();
		my_total_time_result = new JLabel();

		// general labels:
		final JLabel page_retrieve_label = new JLabel("Pages Retrieved: ");
		final JLabel ave_per_page_label = new JLabel("Average word per page: ");
		final JLabel ave_url_label = new JLabel("Average URLs per page: ");
		final JLabel total_time = new JLabel("Total running time: ");
		final JLabel ave_time_per_page = new JLabel(
				"The average time per page was: ");

		// add everything to center panel.
		center_panel.add(page_retrieve_label);
		center_panel.add(my_page_retrieve);

		center_panel.add(ave_per_page_label);
		center_panel.add(my_ave_per_page);

		center_panel.add(ave_url_label);
		center_panel.add(my_ave_URL);

		center_panel.add(ave_time_per_page);
		center_panel.add(my_ave_parse_result);

		center_panel.add(total_time);
		center_panel.add(my_total_time_result);

		return center_panel;
	}