Modified embed include

gistfile1.txt

<script type="text/javascript">
$(document).ready(function(){
  var head = document.getElementsByTagName('head')[0],
      ev1Script, metaDataScript;

  ev1Script = document.createElement('script');
  ev1Script.src = "//fast.wistia.com/assets/external/E-v1.js";
  ev1Script.type = "text/javascript";
  ev1Script.charset = "ISO-8859-1";
      

  metaDataScript = document.createElement('script');
  metaDataScript.src = "//fast.wistia.com/embed/medias/agmhsklp6p/metadata.js";
  metaDataScript.type = "text/javascript";
  metaDataScript.charset = "ISO-8859-1";


  $(ev1Script).on('load', function(){
    wistiaEmbed = Wistia.embed("agmhsklp6p", {
      videoFoam: true
    });

    head.appendChild(metaDataScript);
  });

  head.appendChild(ev1Script);
});
</script>