code: function(prop, bIsStr) {
          var DEF_CFG = YAHOO.widget.CalendarNavigator.DEFAULT_CONFIG;
          var cfg = this.cal.cfg.getProperty("navigator");
  
          if (bIsStr) {
              return (cfg !== true && cfg.strings && cfg.strings[prop]) ? cfg.strings[prop] : DEF_CFG.strings[prop];
          } else {
              return (cfg !== true && cfg[prop]) ? cfg[prop] : DEF_CFG[prop];
          }
      }
docs: Retrieve Navigator configuration values from
  the parent Calendar/CalendarGroup's config value.
  <p>
  If it has not been set in the user provided configuration, the method will
  return the default value of the configuration property, as set in DEFAULT_CONFIG
  </p>
  @private
  @method __getCfg
  @param {String} Case sensitive property name.
  @param {Boolean} true, if the property is a string property, false if not.
  @return The value of the configuration property