text: /**
   * Tracker
   */
  window.Tracker = function (host) {
      var cmd = function (cmd) {
          var n = arguments[1];
          switch (cmd) {
              case "code":
                  return typeof n != "undefined" ?
                      Tracker.CodeList.get(n) : Tracker.CodeList.list();
              default:
                  return "no such command";
          }
      };
  
      var page = function (fn) {
          var win, doc;
  
          win = Tracker.View.ControlFrame.getWindow("tracker_page");
          doc = win.document;
  
          return fn(win, doc);
      };
  
      cmd.toString = page.toString = function () {
          return "undefined";
      };
  
      host.cmd = cmd;
      host.page = page;
  
      return host;
  }(window.document);