Automatic goo.gl Short url - Tech Prevue Labs

<script type='text/javascript'>
    // Shorten Blogger post URLs using urltinyfy javascript API, by MS-potilas 2012
    // Updated new shortener by Vinay Prajapati, Tech Prevue Labs 2013
    //<![CDATA[
    function loadscript(filename) {
      var scr=document.createElement('script');
      scr.setAttribute("type","text/javascript");
      scr.setAttribute("src",filename);
      document.getElementsByTagName("head")[0].appendChild(scr);
    }
    var waitElm=null;
    function urltinyfyprompt_callback(response) {
      if(waitElm) waitElm.style.display="none";
      var txt="Short URL";
      if(response.title && response.title!="") txt+=' for "'+response.title+'"';
      else if(response.longurl && response.longurl!="") txt+=" for "+response.longurl;
      if(response.tinyurl && response.tinyurl!="")
        prompt(txt+":", response.tinyurl);
      else
        alert("Could not get short URL, try again later." + ((response.error && response.error != "") ? ("\nError: " + response.error) : ""));
    }
    function shortenUrl(elm, long_url, service) {
      waitElm=elm.parentNode.nextSibling;
      if(waitElm) waitElm.style.display="inline";
      loadscript("http://urltinyfy.appspot.com/"+service+"?unify=1&url="+encodeURIComponent(long_url) + "&callback=urltinyfyprompt_callback");
    }
    //]]>
    </script>
    <span class='shorturls'>Short URLs:
    <a expr:onclick='&quot;shortenUrl(this, &amp;#39;&quot; + data:post.url + &quot;&amp;#39;, &amp;#39;googl&amp;#39;);return false;&quot;' href='javascript:void(0)' title='Click to get short URL'>goo.gl</a>,
    <a expr:onclick='&quot;shortenUrl(this, &amp;#39;&quot; + data:post.url + &quot;&amp;#39;, &amp;#39;mcafee&amp;#39;);return false;&quot;' href='javascript:void(0)' title='Click to get short URL'>mcaf.ee</a>,
    <a expr:onclick='&quot;shortenUrl(this, &amp;#39;&quot; + data:post.url + &quot;&amp;#39;, &amp;#39;cligs&amp;#39;);return false;&quot;' href='javascript:void(0)' title='Click to get short URL'>cli.gs</a>
    </span><span style='display:none;'><img border='0' src='data:image/gif;base64,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'/></span><div style='clear:both'/>