Related products - вывод товаров рандомно со всего сайта + вывод с текущей категории... Помогите сос - [VM1] Модификации и хаки

// if you don't like to set up related products for each product
$q = "SELECT product_sku,product_parent_id FROM #__{vm}_product ";
$q .= "WHERE product_publish='Y' AND product_id != $product_id AND product_parent_id='0' ";
$q .= "ORDER BY RAND() LIMIT 0, 6";
$db->query( $q );
$related_products = '';
if( $db->num_rows() > 0 ) {
	$tpl->set( 'ps_product', $ps_product );
	$tpl->set( 'products', $db );
	$related_products = $tpl->fetch( '/common/relatedProducts.tpl.php' );
}

$q = "SELECT p.product_sku, p.product_id, c.category_name, c.category_flypage
 FROM #__{vm}_product p,#__{vm}_product_category_xref pc, #__{vm}_category c
 WHERE p.product_publish='Y' AND pc.product_id = p.product_id AND pc.category_id = c.category_id AND c.category_id = '$category_id' AND p.product_parent_id < 1 AND p.product_id != '$product_id'
 ORDER BY RAND() LIMIT 0, 6";