Oracle Forms

hi master
sir
i have master detail block master table have all data but detail no data i need feed data in detail then i goto in detail block write value and press F10 for save

for new record in detail
in detail blick post-block or post_record or post_insert event i write this code

go_block('masterblock');
next_record;
go_item('detailblock.item');

but not responses no master block move to next record still and my curser sitll in last postion

sir how i move master record after save the detail record and jump to detail block for new record

please give me idea or code

thanking you

aamir