Widget:Plus1

<g:plusone size="small"></g:plusone>

<script type="text/javascript">

 (function() {
   var po = document.createElement('script'); po.type = 'text/javascript'; po.async = true;
   po.src = 'https://apis.google.com/js/plusone.js';
   var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(po, s);
 })();

</script>