document.observe("dom:loaded", function() {
  window.twitterList = new HM.Twitter({
    screen_name: "campdenblanken",
    callback: "myTwitterListCallback",
    template: '<li><span>#{text}</span><br><a class="relative_time" target="_blank" href="http://twitter.com/#{screen_name}/statuses/#{id}">#{relative_time}</a></li>',
    count: 1
  });
});

function myTwitterListCallback(C) {
  var tweets = window.twitterList.getTweets(C);
  $("twitterList").update(tweets.join(""));
}