$(document).ready(function(){
  
  	$.getJSON('http://twitter.com/status/user_timeline/designerspider.json?count=5&callback=?', function(data){
  		$.each(data, function(index, item){
  			$('#twitter').append('<div class="tweet"><p>' + item.text.linkify() + '<\/p><p><strong>' + relative_time(item.created_at) + '<\/strong><\/p><\/div>');
  		});
  	
  	});
  	
  	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);
  	  
  	  var r = '';
  	  if (delta < 60) {
  		r = 'a minute ago';
  	  } else if(delta < 120) {
  		r = 'couple of minutes ago';
  	  } else if(delta < (45*60)) {
  		r = (parseInt(delta / 60)).toString() + ' minutes ago';
  	  } else if(delta < (90*60)) {
  		r = 'an hour ago';
  	  } else if(delta < (24*60*60)) {
  		r = '' + (parseInt(delta / 3600)).toString() + ' hours ago';
  	  } else if(delta < (48*60*60)) {
  		r = '1 day ago';
  	  } else {
  		r = (parseInt(delta / 86400)).toString() + ' days ago';
  	  }
  	  
  	  return r;
  	}
  	
  	String.prototype.linkify = function() {
  		return this.replace(/[A-Za-z]+:\/\/[A-Za-z0-9-_]+\.[A-Za-z0-9-_:%&\?\/.=]+/, function(m) {
  			return m.link(m);
  		});
  	};
  
  });