if ($order->supplier_id != get_post('supplier_id',-1)) {
$old_supp = $order->supplier_id;
get_supplier_details_to_order($order, $_POST['supplier_id']);
if ($order->supplier_id != get_post('supplier_id',-1)) {
$old_supp = $order->supplier_id;
get_supplier_details_to_order($order, $_POST['supplier_id']);