var overscroll = function(el) {
        el.addEventListener('touchstart', function() {
          var top = el.scrollTop
            , totalScroll = el.scrollHeight
            , currentScroll = top + el.offsetHeight;

          if(top === 0) {
            el.scrollTop = 1;
          } else if(currentScroll === totalScroll) {
            el.scrollTop = top - 1;
          }
        });

        el.addEventListener('touchmove', function(evt) {
          if(el.offsetHeight < el.scrollHeight)
          evt._isScroller = true;
        });
    };

    if (jQuery('.fancybox-overlay').length) {
      overscroll(document.querySelector('.fancybox-overlay'));
    }

    document.body.addEventListener('touchmove', function(evt) {
      if(!evt._isScroller && jQuery('#age-gate').length) {
        evt.preventDefault();
      } 
    });