// Execute this after the site is loaded.
	$(function() {
		// Find list items representing folders and
		// style them accordingly.  Also, turn them
		// into links that can expand/collapse the
		// tree leaf.
		$('li > ul').each(function(i) {
			// Find this list's parent list item.
			var parent_li = $(this).parent('li');

			// Style the list item as folder.
			parent_li.addClass('folder');

			// Temporarily remove the list from the
			// parent list item, wrap the remaining
			// text in an anchor, then reattach it.
			var sub_ul = $(this).remove();
			parent_li.wrapInner('<a/>').find('a').click(function() {
				// Make the anchor toggle the leaf display.
				sub_ul.toggle();
			});
			parent_li.append(sub_ul);
		});
	
		// Hide all lists except the outermost.
		$('ul ul').hide();
	});