Load iframe.ly/embed.js dynamically

loadIframelyEmbedJs.js

<script type="text/javascript">
  function loadIframelyEmbedJs() {
    var iframely = window.iframely = window.iframely || {};
    var widgets = iframely.widgets = iframely.widgets || {};
    if (widgets.load) {
      widgets.load();
    } else {
      var ifs = document.createElement('script'); ifs.type = 'text/javascript'; ifs.async = true;
      ifs.src = ('https:' == document.location.protocol ? 'https:' : 'http:') + '//cdn.iframe.ly/embed.js';
      var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ifs, s);
    }
  }
</script>