jQuery(document).ready(function($) {
  /* call foundation */
  $(document).foundation();

  // sticky menu animation
    $('.sticky_menu.sticky').on('sticky.zf.stuckto:top', function() {
      $(this).addClass(' fadeInDown');
    }).on('sticky.zf.unstuckfrom:top', function() {
      $(this).removeClass(' fadeInDown');
    })



  // Hide Header on on scroll down
  var didScroll;
  var lastScrollTop = 0;
  var delta = 5;
  var navbarHeight = $('.menu-outer').outerHeight();

  $(window).scroll(function(event){
      didScroll = true;
  });

  setInterval(function() {
      if (didScroll) {
          hasScrolled();
          didScroll = false;
      }
  }, 250);

  function hasScrolled() {
      var st = $(this).scrollTop();

      // Make sure they scroll more than delta
      if(Math.abs(lastScrollTop - st) <= delta)
          return;

      // If they scrolled down and are past the navbar, add class .nav-up.
      // This is necessary so you never see what is "behind" the navbar.
      if (st > lastScrollTop && st > navbarHeight){
          // Scroll Down
          $('.menu-outer.is-stuck').removeClass('nav-down').addClass('nav-up');
      } else {
          // Scroll Up
          if(st + $(window).height() < $(document).height()) {
              $('.menu-outer').removeClass('nav-up').addClass('nav-down');
          }
      }

      lastScrollTop = st;
  }
  // scrollup
  jQuery(window).bind("scroll", function() {
    if (jQuery(this).scrollTop() > 800) {
      jQuery(".scroll_to_top").fadeIn('slow');
    } else {
      jQuery(".scroll_to_top").fadeOut('fast');
    }
  });
  jQuery(".scroll_to_top").click(function() {
    jQuery("html, body").animate({
      scrollTop: 0
    }, "slow");
    return false;
  });

});
/* --------------------------------------------
JS END
-------------------------------------------- */