Install menu superfish

common.js

$(document).ready(function() {

	//Таймер обратного отсчета
	//Документация: http://keith-wood.name/countdown.html
	//<div class="countdown" date-time="2015-01-07"></div>
	var austDay = new Date($(".countdown").attr("date-time"));
	$(".countdown").countdown({until: austDay, format: 'yowdHMS'});

	//Попап менеджер FancyBox
	//Документация: http://fancybox.net/howto
	//<a class="fancybox"><img src="image.jpg" /></a>
	//<a class="fancybox" data-fancybox-group="group"><img src="image.jpg" /></a>
	$(".fancybox").fancybox();

	//Навигация по Landing Page
	//$(".top_mnu") - это верхняя панель со ссылками.
	//Ссылки вида <a href="#contacts">Контакты</a>
	$(".top_mnu").navigation();

	//Добавляет классы дочерним блокам .block для анимации
	//Документация: http://imakewebthings.com/jquery-waypoints/
	$(".block").waypoint(function(direction) {
		if (direction === "down") {
			$(".class").addClass("active");
		} else if (direction === "up") {
			$(".class").removeClass("deactive");
		};
	}, {offset: 100});

	//Плавный скролл до блока .div по клику на .scroll
	//Документация: https://github.com/flesler/jquery.scrollTo
	$("a.scroll").click(function() {
		$.scrollTo($(".div"), 800, {
			offset: -90
		});
	});

	//Каруселька
	//Документация: http://owlgraphic.com/owlcarousel/
	var owl = $(".carousel");
	owl.owlCarousel({
		items : 4
	});
	owl.on("mousewheel", ".owl-wrapper", function (e) {
		if (e.deltaY > 0) {
			owl.trigger("owl.prev");
		} else {
			owl.trigger("owl.next");
		}
		e.preventDefault();
	});
	$(".next_button").click(function(){
		owl.trigger("owl.next");
	});
	$(".prev_button").click(function(){
		owl.trigger("owl.prev");
	});

	//Кнопка "Наверх"
	//Документация:
	//http://api.jquery.com/scrolltop/
	//http://api.jquery.com/animate/
	$("#top").click(function () {
		$("body, html").animate({
			scrollTop: 0
		}, 800);
		return false;
	});
	
	//Аякс отправка форм
	//Документация: http://api.jquery.com/jquery.ajax/
	$("form").submit(function() {
		$.ajax({
			type: "GET",
			url: "mail.php",
			data: $("form").serialize()
		}).done(function() {
			alert("Спасибо за заявку!");
			setTimeout(function() {
				$.fancybox.close();
			}, 1000);
		});
		return false;
	});

	//Мега-меню и мобайл меню
    $(".sf-menu").superfish({
    	delay: 200,
    	speed: "fast",
    	cssArrows: true //false - убирает указатель (треугольник)
    })
    .after("<div id='mobile-menu'>").clone().appendTo("#mobile-menu");
    $("#mobile-menu").find("*").attr("style", "");
    $("#mobile-menu").children("ul").removeClass("sf-menu")
 
    .parent().mmenu({
		extensions : [ 'widescreen', 'theme-white', 'effect-menu-slide', 'pagedim-black' ],
		navbar: {
			title: "Меню"
		}
	});

});

megafish.css

/*** ESSENTIAL STYLES ***/
.sf-menu {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}
.sf-menu .sf-mega {
  position: absolute;
  display: none;
  top: 100%;
  left: 0;
  z-index: 99;
}
.sf-menu > li {
  float: left;
}
.sf-menu li:hover > .sf-mega,
.sf-menu li.sfHover > .sf-mega {
  display: block;
}

.sf-menu > li > a {
  display: block;
  position: relative;
}


/*** DEMO SKIN ***/
.sf-menu {
  float: left;
  margin-bottom: 1em;
  width: 100%;
}
.sf-menu .sf-mega {
  box-shadow: 2px 3px 6px rgba(0,0,0,.2);
  width: 100%; /* allow long menu items to determine submenu width */
}
.sf-menu > li > a {
  border-left: 1px solid #fff;
  border-top: 1px solid #dFeEFF; /* fallback colour must use full shorthand */
  border-top: 1px solid rgba(255,255,255,.5);
  padding: .75em 1em;
  text-decoration: none;
  zoom: 1; /* IE7 */
  color: #13a;
}
.sf-menu > li {
  background: #BDD2FF;
  -webkit-transition: background .2s;
  transition: background .2s;
}
.sf-menu > li:hover,
.sf-menu > li.sfHover {
  background: #CFDEFF;
  /* only transition out, not in */
  -webkit-transition: none;
  transition: none;
}

/*** mega menu dropdown ***/
.sf-mega {
  background-color: #CFDEFF;
  padding: 1em;
  box-sizing: border-box;
  width: 100%;
}
.sf-mega-section {
  float: left;
  width: 8em; /* optional */
  padding: 0 1em 1em 0;
  margin-right: 1em;
  border-right: 1px solid #b4c8f5;
}


/*** arrows (for all except IE7) **/
.sf-arrows .sf-with-ul {
  padding-right: 2.5em;
  *padding-right: 1em; /* no CSS arrows for IE7 (lack pseudo-elements) */
}
/* styling for both css and generated arrows */
.sf-arrows .sf-with-ul:after {
  content: '';
  position: absolute;
  top: 50%;
  right: 1em;
  margin-top: -3px;
  height: 0;
  width: 0;
  /* order of following 3 rules important for fallbacks to work */
  border: 5px solid transparent;
  border-top-color: #dFeEFF; /* edit this to suit design (no rgba in IE8) */
  border-top-color: rgba(255,255,255,.5);
}
.sf-arrows > li > .sf-with-ul:focus:after,
.sf-arrows > li:hover > .sf-with-ul:after,
.sf-arrows > .sfHover > .sf-with-ul:after {
  border-top-color: white; /* IE8 fallback colour */
}

superfish.css

/*** ESSENTIAL STYLES ***/
.sf-menu, .sf-menu * {
	margin: 0;
	padding: 0;
	list-style: none;
}
.sf-menu li {
	position: relative;
}
.sf-menu ul {
	position: absolute;
	display: none;
	top: 100%;
	left: 0;
	z-index: 99;
}
.sf-menu > li {
	float: left;
}
.sf-menu li:hover > ul,
.sf-menu li.sfHover > ul {
	display: block;
}

.sf-menu a {
	display: block;
	position: relative;
}
.sf-menu ul ul {
	top: 0;
	left: 100%;
}


/*** DEMO SKIN ***/
.sf-menu {
	float: left;
	margin-bottom: 1em;
}
.sf-menu ul {
	box-shadow: 2px 2px 6px rgba(0,0,0,.2);
	min-width: 12em; /* allow long menu items to determine submenu width */
	*width: 12em; /* no auto sub width for IE7, see white-space comment below */
}
.sf-menu a {
	border-left: 1px solid #fff;
	border-top: 1px solid #dFeEFF; /* fallback colour must use full shorthand */
	border-top: 1px solid rgba(255,255,255,.5);
	padding: .75em 1em;
	text-decoration: none;
	zoom: 1; /* IE7 */
}
.sf-menu a {
	color: #13a;
}
.sf-menu li {
	background: #BDD2FF;
	white-space: nowrap; /* no need for Supersubs plugin */
	*white-space: normal; /* ...unless you support IE7 (let it wrap) */
	-webkit-transition: background .2s;
	transition: background .2s;
}
.sf-menu ul li {
	background: #AABDE6;
}
.sf-menu ul ul li {
	background: #9AAEDB;
}
.sf-menu li:hover,
.sf-menu li.sfHover {
	background: #CFDEFF;
	/* only transition out, not in */
	-webkit-transition: none;
	transition: none;
}

/*** arrows (for all except IE7) **/
.sf-arrows .sf-with-ul {
	padding-right: 2.5em;
	*padding-right: 1em; /* no CSS arrows for IE7 (lack pseudo-elements) */
}
/* styling for both css and generated arrows */
.sf-arrows .sf-with-ul:after {
	content: '';
	position: absolute;
	top: 50%;
	right: 1em;
	margin-top: -3px;
	height: 0;
	width: 0;
	/* order of following 3 rules important for fallbacks to work */
	border: 5px solid transparent;
	border-top-color: #dFeEFF; /* edit this to suit design (no rgba in IE8) */
	border-top-color: rgba(255,255,255,.5);
}
.sf-arrows > li > .sf-with-ul:focus:after,
.sf-arrows > li:hover > .sf-with-ul:after,
.sf-arrows > .sfHover > .sf-with-ul:after {
	border-top-color: white; /* IE8 fallback colour */
}
/* styling for right-facing arrows */
.sf-arrows ul .sf-with-ul:after {
	margin-top: -5px;
	margin-right: -3px;
	border-color: transparent;
	border-left-color: #dFeEFF; /* edit this to suit design (no rgba in IE8) */
	border-left-color: rgba(255,255,255,.5);
}
.sf-arrows ul li > .sf-with-ul:focus:after,
.sf-arrows ul li:hover > .sf-with-ul:after,
.sf-arrows ul .sfHover > .sf-with-ul:after {
	border-left-color: white;
}

superfish.min.js

/*
 * jQuery Superfish Menu Plugin - v1.7.9
 * Copyright (c) 2016 Joel Birch
 *
 * Dual licensed under the MIT and GPL licenses:
 *	http://www.opensource.org/licenses/mit-license.php
 *	http://www.gnu.org/licenses/gpl.html
 */

;!function(a,b){"use strict";var c=function(){var c={bcClass:"sf-breadcrumb",menuClass:"sf-js-enabled",anchorClass:"sf-with-ul",menuArrowClass:"sf-arrows"},d=function(){var b=/^(?![\w\W]*Windows Phone)[\w\W]*(iPhone|iPad|iPod)/i.test(navigator.userAgent);return b&&a("html").css("cursor","pointer").on("click",a.noop),b}(),e=function(){var a=document.documentElement.style;return"behavior"in a&&"fill"in a&&/iemobile/i.test(navigator.userAgent)}(),f=function(){return!!b.PointerEvent}(),g=function(a,b,d){var e,f=c.menuClass;b.cssArrows&&(f+=" "+c.menuArrowClass),e=d?"addClass":"removeClass",a[e](f)},h=function(b,d){return b.find("li."+d.pathClass).slice(0,d.pathLevels).addClass(d.hoverClass+" "+c.bcClass).filter(function(){return a(this).children(d.popUpSelector).hide().show().length}).removeClass(d.pathClass)},i=function(a,b){var d=b?"addClass":"removeClass";a.children("a")[d](c.anchorClass)},j=function(a){var b=a.css("ms-touch-action"),c=a.css("touch-action");c=c||b,c="pan-y"===c?"auto":"pan-y",a.css({"ms-touch-action":c,"touch-action":c})},k=function(a){return a.closest("."+c.menuClass)},l=function(a){return k(a).data("sfOptions")},m=function(){var b=a(this),c=l(b);clearTimeout(c.sfTimer),b.siblings().superfish("hide").end().superfish("show")},n=function(b){b.retainPath=a.inArray(this[0],b.$path)>-1,this.superfish("hide"),this.parents("."+b.hoverClass).length||(b.onIdle.call(k(this)),b.$path.length&&a.proxy(m,b.$path)())},o=function(){var b=a(this),c=l(b);d?a.proxy(n,b,c)():(clearTimeout(c.sfTimer),c.sfTimer=setTimeout(a.proxy(n,b,c),c.delay))},p=function(b){var c=a(this),d=l(c),e=c.siblings(b.data.popUpSelector);return d.onHandleTouch.call(e)===!1?this:void(e.length>0&&e.is(":hidden")&&(c.one("click.superfish",!1),"MSPointerDown"===b.type||"pointerdown"===b.type?c.trigger("focus"):a.proxy(m,c.parent("li"))()))},q=function(b,c){var g="li:has("+c.popUpSelector+")";a.fn.hoverIntent&&!c.disableHI?b.hoverIntent(m,o,g):b.on("mouseenter.superfish",g,m).on("mouseleave.superfish",g,o);var h="MSPointerDown.superfish";f&&(h="pointerdown.superfish"),d||(h+=" touchend.superfish"),e&&(h+=" mousedown.superfish"),b.on("focusin.superfish","li",m).on("focusout.superfish","li",o).on(h,"a",c,p)};return{hide:function(b){if(this.length){var c=this,d=l(c);if(!d)return this;var e=d.retainPath===!0?d.$path:"",f=c.find("li."+d.hoverClass).add(this).not(e).removeClass(d.hoverClass).children(d.popUpSelector),g=d.speedOut;if(b&&(f.show(),g=0),d.retainPath=!1,d.onBeforeHide.call(f)===!1)return this;f.stop(!0,!0).animate(d.animationOut,g,function(){var b=a(this);d.onHide.call(b)})}return this},show:function(){var a=l(this);if(!a)return this;var b=this.addClass(a.hoverClass),c=b.children(a.popUpSelector);return a.onBeforeShow.call(c)===!1?this:(c.stop(!0,!0).animate(a.animation,a.speed,function(){a.onShow.call(c)}),this)},destroy:function(){return this.each(function(){var b,d=a(this),e=d.data("sfOptions");return e?(b=d.find(e.popUpSelector).parent("li"),clearTimeout(e.sfTimer),g(d,e),i(b),j(d),d.off(".superfish").off(".hoverIntent"),b.children(e.popUpSelector).attr("style",function(a,b){return b.replace(/display[^;]+;?/g,"")}),e.$path.removeClass(e.hoverClass+" "+c.bcClass).addClass(e.pathClass),d.find("."+e.hoverClass).removeClass(e.hoverClass),e.onDestroy.call(d),void d.removeData("sfOptions")):!1})},init:function(b){return this.each(function(){var d=a(this);if(d.data("sfOptions"))return!1;var e=a.extend({},a.fn.superfish.defaults,b),f=d.find(e.popUpSelector).parent("li");e.$path=h(d,e),d.data("sfOptions",e),g(d,e,!0),i(f,!0),j(d),q(d,e),f.not("."+c.bcClass).superfish("hide",!0),e.onInit.call(this)})}}}();a.fn.superfish=function(b,d){return c[b]?c[b].apply(this,Array.prototype.slice.call(arguments,1)):"object"!=typeof b&&b?a.error("Method "+b+" does not exist on jQuery.fn.superfish"):c.init.apply(this,arguments)},a.fn.superfish.defaults={popUpSelector:"ul,.sf-mega",hoverClass:"sfHover",pathClass:"overrideThisToUse",pathLevels:1,delay:800,animation:{opacity:"show"},animationOut:{opacity:"hide"},speed:"normal",speedOut:"fast",cssArrows:!0,disableHI:!1,onInit:a.noop,onBeforeShow:a.noop,onShow:a.noop,onBeforeHide:a.noop,onHide:a.noop,onIdle:a.noop,onDestroy:a.noop,onHandleTouch:a.noop}}(jQuery,window);