$(function() {
	var openLi = $.cookie("open-menu-item");
	if(openLi != null) {
		var zeroIndexed = parseInt(openLi) - 1;
		$(".vertical-menu > li:eq("+zeroIndexed+") > ul").show();
	}
	
	$(".vertical-menu > li > a").click(function() {
		var liClicked = $(this).parent().index() + 1;
		$(".vertical-menu > li").each(function(i,v) {
			if(openLi != liClicked) {
				$("ul", this).slideUp();
			}
		});
		if(openLi==null || openLi != liClicked) {
			$('ul', $(this).parent()).slideDown();
			//salvo nel cookie il menu aperto
			$.cookie("open-menu-item", liClicked, { path: '/' });
		}
	});
});