function twitterCallbackEmpreendecast(update) {
    var username = '';
    if (update.error == null && update[0] != null) {
        username = update[0].user.screen_name;
        var status = update[0].text.replace(/((https?|s?ftp|ssh)\:\/\/[^"\s\<\>]*[^.,;'">\:\s\<\>\)\]\!])/g, function(url) {
          return '<a href="'+url+'">'+url+'</a>';
        }).replace(/\B@([_a-z0-9]+)/ig, function(reply) {
          return  reply.charAt(0)+'<a href="http://twitter.com/'+reply.substring(1)+'">'+reply.substring(1)+'</a>';
        });
        $("#update" + username.toLowerCase()).html(status);
        $("#time" + username.toLowerCase()).html('<a style="font-size:85%" href="http://twitter.com/'+username+'/statuses/'+update[0].id+'" target="_blank">'+relative_time(update[0].created_at)+'</a>');
    } else if (update.request != null) {
        username = update.request.substring(update.request.lastIndexOf('/')+1, update.request.lastIndexOf('.json'));
        $("#update" + username.toLowerCase()).html("Erro de comunicação com o Twitter. Baleia em ação. ;)")
    }
    Cufon.replace('#twitter' + username.toLowerCase(),{hover: true, fontFamily: 'Museo'});
}

function twitterCallback2(twitters) {
  var statusHTML = [];
  for (var i=0; i<twitters.length; i++){
    var username = twitters[i].user.screen_name;
    var status = twitters[i].text.replace(/((https?|s?ftp|ssh)\:\/\/[^"\s\<\>]*[^.,;'">\:\s\<\>\)\]\!])/g, function(url) {
      return '<a rel="nofollow" target="_blank" href="'+url+'">'+url+'</a>';
    }).replace(/\B@([_a-z0-9]+)/ig, function(reply) {
      return  reply.charAt(0)+'<a href="http://twitter.com/'+reply.substring(1)+'">'+reply.substring(1)+'</a>';
    });
    statusHTML.push('<li><span>'+status+'</span> <a style="font-size:85%" href="http://twitter.com/'+username+'/statuses/'+twitters[i].id+'">'+relative_time(twitters[i].created_at)+'</a></li>');
  }
  document.getElementById('twitter_update_list').innerHTML = statusHTML.join('');
}


function relative_time(time_value) {
  var values = time_value.split(" ");
  time_value = values[1] + " " + values[2] + ", " + values[5] + " " + values[3];
  var parsed_date = Date.parse(time_value);
  var relative_to = (arguments.length > 1) ? arguments[1] : new Date();
  var delta = parseInt((relative_to.getTime() - parsed_date) / 1000);
  delta = delta + (relative_to.getTimezoneOffset() * 60);

  if (delta < 60) {
    return 'menos de 1 minuto atrás';
  } else if(delta < 120) {
    return 'cerca de 1 minuto atrás';
  } else if(delta < (60*60)) {
    return (parseInt(delta / 60)).toString() + ' minutos atrás';
  } else if(delta < (120*60)) {
    return 'cerca de 1 hora atrás';
  } else if(delta < (24*60*60)) {
    return 'cerca de ' + (parseInt(delta / 3600)).toString() + ' horas atrás';
  } else if(delta < (48*60*60)) {
    return '1 dia atrás';
  } else {
    return (parseInt(delta / 86400)).toString() + ' dias atrás';
  }
}