>Hi Nadya,
>
>I find it convenient to postpone any validation until the user tries to save the data. This is way easier to program, you get around clumsy situations with validations involving more than one field (which seems to be the case here), and, the user has the flexibility to enter data in any order.

I agree. I also remembered it from your prior messages and decided it would be the easiest thing for me to implement.