$result00 = mysqli_query($connect, "select * from tblitems_groups inner join tblitems_groups_subcategoria ON tblitems_groups_subcategoria.id_sub = tblitems_groups.grupo where tblitems_groups_subcategoria.id_cat_padre = '" . $_GET[idcp] . "'");
if ($row00 = mysqli_fetch_array($result00)) {
$idcategoriapadre = $row00["id_cat_padre"];
?>