/*
	Slightly hacked version of twitter's pre-packed javascript twitter parser.
	
	CHANGE LOG:
	28 May 2009 - added "class=first", and stripped out @replies
	21 Aug 2009 - Limited to 3 tweets
*/
function twitterCallback2(twitters) {
  var statusHTML = [];
  var HTMLString;
  var count = 3; // Limit to 3 tweets
  var first = true;
  for (var i=0; i<twitters.length && count > 0; i++){
    var username = twitters[i].user.screen_name;
	if (twitters[i].text.substring(0,1) == "@")  // Strip out @replies
		continue;
	count--;
    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://www.twitter.com/'+reply.substring(1)+'">'+reply.substring(1)+'</a>';
    });
	if (first)  // Only show class=first for the first item
		{ HTMLString = '<li class="first">'; first = false; } 
	else 
		{ HTMLString = '<li>'; }
	status = status.replace(/New blog post/, "Press Release");
    HTMLString += '<span>'+status+'</span> <span class="published"><a style="font-size:85%" href="http://twitter.com/'+username+'/statuses/'+twitters[i].id+'">'+relative_time(twitters[i].created_at)+'</a></span></li>'
    statusHTML.push(HTMLString);
  }
  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 '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';
  }
}