I have a dilemma in where a user keeps on inputting the incorrect Invoice number into an intranet site. The intranet site has a text box and a submit button, simple. The system invoice numbers always start with '00' and then the other trailing numbers. ie '12345'. So in order for the user to get the invoice they would have to enter '0012345'. How can i mask the 00 and for the user just to enter the remaining numbers, rather than the user entering the full number. Just to remind you, the database field is also '0012345'. Cheers