function arterior_menu_open_nav() {
	window.arterior_responsiveMenu=true;
	jQuery(".sidenav").addClass('show');
}
function arterior_menu_close_nav() {
	window.arterior_responsiveMenu=false;
 	jQuery(".sidenav").removeClass('show');
}
arterior_mybutton = document.getElementById("scrolltop");
	window.onscroll = function() {scrollFunction()};
	function scrollFunction(){
		if (document.body.scrollTop > 20 || document.documentElement.scrollTop > 20) {
			arterior_mybutton.style.display = "block";
		}else{
			arterior_mybutton.style.display = "none";
		}
	}
	function topFunction(){
		document.body.scrollTop = 0;
		document.documentElement.scrollTop = 0;
	}
	/* -----------------------------------------
    Navigation
    ----------------------------------------- */
    $('.menu-toggle').click(function() {
        $(this).toggleClass('open');
    });
    $('.header-search-wrap').find(".search-submit").bind('keydown', function(e) {
        var tabKey = e.keyCode === 9;
        if (tabKey) {
            e.preventDefault();
            $('.header-search-icon').focus();
        }
    });
    $('.header-search-icon').on('keydown', function(e) {
        var tabKey = e.keyCode === 9;
        var shiftKey = e.shiftKey;
        if ($('.header-search-wrap').hasClass('show')) {
            if (shiftKey && tabKey) {
                e.preventDefault();
                $('.header-search-wrap').removeClass('show');
                $('.header-search-icon').focus();
            }
        }
    });
 /* -----------------------------------------
    Keyboard Navigation
    ----------------------------------------- */
    $(window).on('load resize', function() {
        if ($(window).width() < 1100) {
            $('.main-navigation').find("li").last().bind('keydown', function(e) {
                if (e.which === 9) {
                    e.preventDefault();
                    $('#masthead').find('.menu-toggle').focus();
                }
            });
        } else {
            $('.main-navigation').find("li").unbind('keydown');
        }
    });
    var primary_menu_toggle = $('#masthead .menu-toggle');
    primary_menu_toggle.on('keydown', function(e) {
        var tabKey = e.keyCode === 9;
        var shiftKey = e.shiftKey;

        if (primary_menu_toggle.hasClass('open')) {
            if (shiftKey && tabKey) {
                e.preventDefault();
                $('.main-navigation').toggleClass('toggled');
                primary_menu_toggle.removeClass('open');
            };
        }
    });
    $('.header-search-wrap').find(".search-submit").bind('keydown', function(e) {
        var tabKey = e.keyCode === 9;
        if (tabKey) {
            e.preventDefault();
            $('.header-search-icon').focus();
        }
    });
    $('.header-search-icon').on('keydown', function(e) {
        var tabKey = e.keyCode === 9;
        var shiftKey = e.shiftKey;
        if ($('.header-search-wrap').hasClass('show')) {
            if (shiftKey && tabKey) {
                e.preventDefault();
                $('.header-search-wrap').removeClass('show');
                $('.header-search-icon').focus();
            }
        }
    });