docs: function locationBar_focus(event) {
      switch (event.type) {
        case "click":
          this._controller.click(this.urlbar);
          break;
        case "shortcut":
          var cmdKey = utils.getEntity(this.getDtds(), "openCmd.commandkey");
          this._controller.keypress(null, cmdKey, {accelKey: true});
          break;
        default:
          throw new Error(arguments.callee.name + ": Unkown event type - " + event.type);
      }
  
      // Wait until the location bar has been focused
      this._controller.waitForEval("subject.getAttribute('focused') == 'true'",
                                   TIMEOUT, 100, this.urlbar.getNode());
    }