protected function _serializeBooleanNode($nodeName, $value)
	{
		if(!$this->_helper->convertStringToBoolean($value))
		{
			return sprintf('<%s>0</%1$s>', $nodeName);
		} else {
			return sprintf('<%s>%s</%1$s>', $nodeName, $this->_helper->convertStringToBoolean($value));
		}
	}