jQuery(function($){
        $("#ticker").tweet({
          username: "FAOemergencies",
          page: 1,
          avatar_size: 32,
          count: 30,
          loading_text: "loading ..."
        }).bind("loaded", function() {
          var ul = $(this).find(".tweet_list");
          var ticker = function() {
            setTimeout(function() {
              var top = ul.position().top;
              var h = ul.height();
              var incr = (h / ul.children().length);
              var newTop = top - incr;
              if (h + newTop <= 0) newTop = 0;
              ul.animate( {top: newTop}, 500 );
              ticker();
            }, 7000);
          };
          ticker();
        });
      });