public static JScrollPane getPastPane(Configuration configuration) {
		JScrollPane sp = new JScrollPane(new PastPane(configuration),
				JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,
				JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
		sp.validate();
		if (sp.getSize().height > MAXHEIGHT) {
			sp.setSize(sp.getSize().width, MAXHEIGHT);
		}
		return sp;
	}