ajax+twitter

//Twitter
window.onload = function() {
     var ajax_load = "<img class='loader' src='images/loader.gif' alt='Loading...' />";
     var url = 'http://twitter.com/statuses/user_timeline/username.json?callback=twitterCallback2&amp;count=4';
     var script = document.createElement('script');
     $("#twitter_feed").html(ajax_load);
     script.setAttribute('src', url);
     document.body.appendChild(script);
}

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 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 class="twitter_date"><a href="http://twitter.com/'+username+'/statuses/'+twitters[i].id+'">'+relative_time(twitters[i].created_at)+'</a></li> <li><p>'+status+'</p></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 = new Date();
  parsed_date.setTime(Date.parse(time_value));
  var months = new Array('Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug',
     'Sep', 'Oct', 'Nov', 'Dec');
  var m = parsed_date.getMonth();
  var postedAt = '';
  postedAt = months[m];
  postedAt += " "+ parsed_date.getDate();
  postedAt += ","
  postedAt += " "+ parsed_date.getFullYear();
  return postedAt;
}