function jb_refreshTweets() {
  $.jTwitter('jeffreybevan', 1, function(data) {
    $('#tweets').empty();
    $.each(data, function(i, tweet) {
      $('#tweets').append('<div id="tweet">' + tweet.text + '<div id="tweet_date">' + (tweet.created_at).substring(0, 16) + '</div></div>');
    });
    var mainHeight = $(".mainColumn", top.document).height();
    var newHeight = mainHeight - 354;
    jQuery(".sidebar", top.document).css({ height: newHeight });
  });
  return true;
}

$(document).ready(function() { 
  jb_refreshTweets(); 
  $.doTimeout(60000, function() {  
    jb_refreshTweets();  
    return true;  
  });  
});