$(function () {
	var nav = $('#nav > ul');
	$('> li:not(.selected) > ul', nav).hide();
	if ($.browser.msie && $.browser.version == '6.0') {$('> li:not(.selected) > ul', nav).css('visibility', 'hidden');}
	$('> li:has(ul) > a', nav)
		.bind('click', function (e) {
			var parent = $($(this).parents('li').get(0));
			var me = $('> ul', parent);
			$('> li > ul', nav)
				.not(me)
				.stop(true, true)
				.slideUp(500, function () {
					parent.siblings('li').removeClass('selected');
					if ($.browser.msie && $.browser.version == '6.0') {
						me.slideDown(500, function () {me.css('visibility', 'visible');});
					}
					else {me.slideDown(500);}
					parent.addClass('selected');
				});
			e.preventDefault();
		});
});