/**
   * A callback function to populate the namedArgs array if activated
   * This should be triggered in the beforeFilter
   * @return TRUE always
   *
   **/
    function getNamedArgs() {
        if ($this->namedArgs)
        {
            $this->namedArgs = array();
            if (!empty($this->params['pass']))
            {
                foreach ($this->params['pass'] as $param)
                {
                    if (strpos($param, $this->argSeparator))
                    {
                        list($name, $val) = split( this->argSeparator,
                                                   $param );
                        $this->namedArgs[$name] = $val;
                    }
                }
            }
        }
        return TRUE;
    }