public function setConfigParam($name, $value)
    {
        if (isset($this->_aConfigParams[$name])) {
            $this->_aConfigParams[$name] = $value;
        } elseif (isset($this->$name)) {
            $this->$name = $value;
        } else {
            $this->_aConfigParams[$name] = $value;
        }
    }