var canSwitch = true;
$(function() {
	$('#menu a').click(function() {
		if(!$(this).is('.selected') && canSwitch) {
			var _clickedItem = $(this), _selectedItem = $('#menu a.selected');
			canSwitch = false;
			$('#'+_selectedItem.attr('rel')).slideUp('normal', function() {
				_selectedItem.removeClass('selected');
				_clickedItem.addClass('selected');
				$('#'+_clickedItem.attr('rel')).slideDown('normal', function() {
					canSwitch = true;
				});
			});
		}
	});
});