function twitterCallback2(obj) {
  buildTwitterEntries(obj, 'twitter.com');
}

function identicaCallback2(obj) {
  buildTwitterEntries(obj, 'identi.ca');
}

function buildTwitterEntries(obj, service) {
	var regular = /\bhttp.*\b/;
	var twitters = obj;
	var statusHTML = "";
	var username = twitters[0].user.screen_name;
  var serviceURL = "";
  if (service == 'identi.ca') {
    serviceURL = 'http://identi.ca/notice/';
  }
  else {
    serviceURL = 'http://twitter.com/'+username+'/statuses/';
  }

	for (var i=0; i<twitters.length; i++){
		var posttext = "";
		var addresses = new Array(regular.exec(twitters[i].text));
		for (var j=0; j<addresses.length; j++) {
			posttext = twitters[i].text.replace(addresses[j], "<a href=\""+addresses[j]+"\">"+addresses[j]+"</a>");
		}
                // Weird. IE7/8 do not support hr or div elements in here.
		statusHTML += ('<span>'+posttext+'</span> <a style="font-size:85%" href="'+serviceURL+twitters[i].id+'">'+relative_time(twitters[i].created_at)+'</a>')
		statusHTML += '<br /><br />';
	}
	document.getElementById('twitter_update_list').innerHTML = statusHTML;
}

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 'less than a minute ago';
  } else if(delta < 120) {
    return 'about a minute ago';
  } else if(delta < (60*60)) {
    return (parseInt(delta / 60)).toString() + ' minutes ago';
  } else if(delta < (120*60)) {
    return 'about an hour ago';
  } else if(delta < (24*60*60)) {
    return 'about ' + (parseInt(delta / 3600)).toString() + ' hours ago';
  } else if(delta < (48*60*60)) {
    return '1 day ago';
  } else {
    return (parseInt(delta / 86400)).toString() + ' days ago';
  }
}