var trueUrl;
var entryTitle;
function tweet(url,title) {
		trueUrl = url;
		entryTitle = title;
    var login  = 'penstyle';
    var apiKey = 'R_329b47d6f913da540068905417be9dd8'; 
    bitly = 'http://api.bit.ly/shorten' 
        + '?version=2.0.1&format=json&callback=callback'
        + '&login=' + login
        + '&apiKey=' + apiKey + '&longUrl=' +url;
    var script = document.createElement('script');
    script.type = 'text/javascript';
    script.src = bitly;
    document.body.appendChild(script);
  }

  function callback(bitlyResponse) {
    var url = 'http://twitter.com/home/?status=' 
        + encodeURIComponent(
             entryTitle + ' [ ' 
             + bitlyResponse.results[trueUrl]['shortUrl']
             + ' ]' + ' [ #penstyle ]'
          );
    window.open(url);
  }