$(document).ready(function() {
  // Declare variables to hold twitter API url and user name
  var twitter_api_url = 'http://search.twitter.com/search.json';
  var twitter_user    = 'guyroutledge';
 
  // Enable caching
  $.ajaxSetup({ cache: true });
 
  // Send JSON request
  // The returned JSON object will have a property called "results" where we find
  // a list of the tweets matching our request query
  $.getJSON(
    twitter_api_url + '?callback=?&rpp=2&q=from:' + twitter_user,
    function(data) {
      $.each(data.results, function(i, tweet) {
        // Uncomment line below to show tweet data in Fire Bug console
        // Very helpful to find out what is available in the tweet objects
        //console.log(tweet);
 
        // Before we continue we check that we got data
        if(tweet.text !== undefined) {
          // Calculate how many hours ago was the tweet posted
          var date_tweet = new Date(tweet.created_at);
          var date_now   = new Date();
          var date_diff  = date_now - date_tweet;
          var hours      = Math.round(date_diff/(1000*60*60));
 
          // Build the html string for the current tweet
          var tweet_html = tweet.text + '<\/a> ';
          tweet_html	+= 	'<br \/>';
          tweet_html 	+= 	'<span>by <a href="http://www.twitter.com/' + twitter_user + '">@' + twitter_user + '<\/a> '
          					 + hours + ' hours ago<\/span><br\/><br\/>';
 
          // Append html string to twitter id
          $('#twitter').append(tweet_html);
        }
      });
    }
  );
});