$(document).ready(function (){
  $("li ul").hide();
  $(".active ul").has("li.active").show();
		$("span").parent("li:has('ul')").bind ('click', function(e){
			$(this).parent().toggleClass('opened').siblings().removeClass('opened');
			$(this).children("ul").slideToggle(800); //change slideToggle to slideDown to prevent menu link opening on second click
			$(this).parent().siblings().children().find("ul").slideUp(800); //comment this to prevent closing siblings by clickin' on link
			e.preventDefault();
		});
		$("a").parent("li").click (function(e){
		e.stopPropagation();
		});
		
});