user pilih value dr listbox and then insert to db.
after that, user tu edit nak pilih value lain. macam mana nak supaya listbox tu select value yg yg telah dipilih masa mula2 tu b4 user can choose another value.

use array() & multiple list and loop the value to insert on ur db

__________________
I hate when:

vBulletin Message:
Sorry! The administrator has specified that users can only post one message every 60 seconds