(function ($) {
  $('a[href*="#"]')
    // .not('[href="#"]')
    .not('[href="#0"]')
    .click(function (event) {
      // On-page links
      if (
        location.pathname.replace(/^\//, '') == this.pathname.replace(/^\//, '')
        &&
        location.hostname == this.hostname
      ) {
        var target = $(this.hash);
        target = target.length ? target : $('[id=' + this.hash.slice(1) + ']');
        if (target.length) {
          event.preventDefault();
          $('html, body').animate({
            scrollTop: target.offset().top
          }, 1000, function () {
            var $target = $(target);
            $target.focus();
            if ($target.is(":focus")) { // Checking if the target was focused
              return false;
            } else {
              $target.attr('tabindex', '-1'); // Adding tabindex for elements not focusable
              $target.focus(); // Set focus again
            };
          });
        }
      }
    });

  $(window).scroll(function () {
    var scrollTop = $(window).scrollTop();
    if (scrollTop > $('.lies').offset().top) {
      if (!$('.top').hasClass('in')) {
        $('.top').addClass('in')
      }
    }

    if (scrollTop < $('.lies').offset().top) {
      if ($('.top').hasClass('in')) {
        $('.top').removeClass('in')
      }
    }
  });

})(jQuery);