gistfile1.js

	// adicionando e removendo a class "OPEN" para os submenus com click no link
	$('html').click(function() {
		$('#top .open').removeClass('open');
	});

	$('.with-submenu > a').click(function(event) {	
		event.preventDefault();	
		event.stopPropagation();

		var $this_parent = $(this).parent();

		$($this_parent).toggleClass('open');
		$('#top .with-submenu.open').not($this_parent).removeClass('open');
	}).parent().find('.submenu').click(function(event){		
		event.stopPropagation();
	});