code: function() {
        var url = JSLitmus.chartUrl();
        jsl.$('chart_link').href = url;
        jsl.$('chart_image').src = url;
        jsl.$('chart').style.display = '';
  
        // Update the tiny URL
        jsl.$('tiny_url').src = 'http://tinyurl.com/api-create.php?url='+escape(url);
      }
docs: (Re)render the chart graphics