Protocol agnostic but specific Reevoo Badge Embed code.

gistfile1.html

<script id="reevoomark-loader" type="text/javascript" charset="utf-8">
  (function() {
    var trkref = 'TRKREF';
    var myscript = document.createElement('script');
    myscript.type = 'text/javascript';
    var protocol = (window.location.protocol == 'https:')? window.location.protocol : 'http:';
    myscript.src=(window.location.protocol + '//mark.reevoo.com/reevoomark/'+trkref+'.js?async=true');
    var s = document.getElementById('reevoomark-loader');
    s.parentNode.insertBefore(myscript, s);
  })();
</script>