private void transitionBackToSecondLevel(){
		//Swap out the scaledColoring checkbox for the inverse coloring checkbox.
		contentPane.remove(scaledColoring);
		contentPane.add(inverseColoring);
		visualizationLevel = 2;
		if(chckbxVisualization.isSelected()){
			contentPane.remove(forceDirectedNetwork);
			contentPane.add(tileBarPanel);
		}
		else {
			contentPane.remove(graphTextPane);
			contentPane.add(tileBarTextPane);
		}
		theFrame.revalidate();
		theFrame.repaint();
	}