{% if disallow_iframe_embed %}
  <style id="anti-clickjack">body{display:none !important;}</style>

  <script type="text/javascript" charset="utf-8">
    if (self === top) {
      var antiClickjack = document.getElementById("anti-clickjack");
      antiClickjack.parentNode.removeChild(antiClickjack);
    } else {
      top.location = self.location;
    }
  </script>
{% endif %}