$(document).ready( function() {
	$fadeRate1 = 1000;
	
	// This hides all subsections on page load.
	$("div.level2").hide(0);
	
	// This implements the transition when an element is clicked
	$("div.level1").click( function () {
		var showSection = $(this).attr("id") + "-l2";
		$("div.level2").slideUp($fadeRate1);
		$("div#" + showSection).slideDown($fadeRate1);
	});
});