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';
  }
}

function twitter(url){
	
	$(document).ready( function(){

		$.ajax({
			type: "GET",
			dataType: 'jsonp', 
			url: url,
			cache: false,
			timeout: 5000,
			error: function(){
				$('#twitter_update_list').html('<li>Sorry but Twitter is down.</li>');
			},
			success: function(data){
				if (data.length > 0) {
					html='';
					final_html='';
					for(var item_idx=0; item_idx<data.length; item_idx++){
						twitter_item = data[item_idx];
						html+='<li><span>'+twitter_item.text;
						html+='</span>';
						html = html.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>';
					    });
					
						html+=' <a href="http://twitter.com/realbuzzcom/statuses/'+twitter_item.id+'" >'+relative_time(twitter_item.created_at)+'</a></li>';
						
						final_html += html;
						html = '';
					}
					
					$('#twitter_update_list').html(final_html);
					

					setTimeout("twitter('"+url+"');",300000);
				} else {
					$('#twitter_update_list').html('<li>Sorry but Twitter is down.</li>');
				}
				
			}
		});
		
	});
	
}