var twitter = (function(){
	var _ = {};
	var tweetHash={};
	var firstTime = true;
	trace = function(str){
		console.log(str);
	}
	twitterCallback = function(tweets) {
		trace("load")
	  var statusHTML = [];
	  twitters = tweets.results;
		//alert("ho " + twitters.length);
	  for (var i=twitters.length-1; i>0; i--){
	  	
		if(tweetHash[twitters[i].id]!=true){
			var username = twitters[i].from_user;
			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>';
			});
			JQ('#twitter_update_list').prepend('<div class="tweet_div"><span>'+username + " " + status+'</span> <a style="font-size:85%" href="http://twitter.com/'+username+'/statuses/'+twitters[i].id+'">'+relative_time(twitters[i].created_at)+'</a></div>');
			tweetHash[twitters[i].id] = true
			trace("twitters[i].id: " + twitters[i].id)
			if(!firstTime){
				trace("hide: " + twitters[i].id)
				JQ(JQ('#twitter_update_list div')[0]).hide();
				JQ(JQ('#twitter_update_list div')[0]).slideDown('fast');
			}
		}
	  }
	  
	  if(firstTime){
	  	firstTime = false;
	  	JQ('#load-ind').remove();
	  }
		//alert("ho " +  document.getElementById('twitter_update_list'));
	  //document.getElementById('twitter_update_list').innerHTML = statusHTML.join('');
	}
	relative_time = function(time_value) {
	  var values = time_value.split(" ");
	  
	  time_value = values[2] + " " + values[1] + ", " + values[3] + " " + values[4];
	  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';
	  }
	}
	_.search = function(url, refreshDelay){
		_url = url;
		_.refresh();
		if(refreshDelay!=null){
			setInterval(_.refresh, (refreshDelay*1000) );
		}
	
	}
	_.refresh = function(){
		JQ.getScript(_url);
	}
	return _;
}());