DocumentBase::outputXmlDiscounts

protected function outputXmlDiscounts($level, $name, $discounts)
{
	$result ='';
	$result .= $this->openNodeDirectory($level+0, $name);
	$result .= $this->openNodeDirectory($level+1, 'DISCOUNT');

	foreach ($discounts as $k=>$v)
		$result .= $this->formatXMLNode($level+2, $k, $v);

	$result .= $this->closeNodeDirectory($level+1, 'DISCOUNT');
	$result .= $this->closeNodeDirectory($level+0, $name);
	return $result;
}