>>Milford.....
>>
>>In addition you might.....
>>
>>Public start_date, end_date
>>start_date = {}
>>end_date = {}
>>
>
>Just FYI, it's not necessary to declare these variables as public- they will be private by default, and therefore visible to the called form.

They will be visible till Form's Init. Then they go out of scope... At least, I have this problem before...