sticky.js

jQuery(document).ready(function ($) {
	function stickymenu() {
		if($("body").hasClass("boxed"))
			return false;

		var headerHeight = $("body > header").height();
		var logo = $("header .logo img");
		var $this = this;
		var logoSmallHeight = 50;

		$this.checkStickyMenu = function() {
			if($(window).scrollTop() > headerHeight + logoSmallHeight && $(window).width() > 768) {
				if($("body").hasClass("sticky-menu-active"))
					return false;
				$("body").addClass("sticky-menu-active");
				logo.height(logoSmallHeight).css("width", "auto");
			} else {
				$("body").removeClass("sticky-menu-active");
				logo.css("height", "auto").css("width", "auto");
			}
		}
		$(window).on("scroll", function() {
			$this.checkStickyMenu();
		});
		$(window).on("resize", function() {
			$this.checkStickyMenu();
		});
		$this.checkStickyMenu();
		// Anchors Position
		$("a[data-hash]").on("click", function(e) {
			e.preventDefault();
			var target = $(this.hash);
			if(target.get(0))
				$("html,body").animate({scrollTop: target.offset().top - (150)}, 300);
			return false;
		});
	}
	stickymenu();
});