Your form fields are unnamed. You created the fields of the second date by copying / pasting those of the first date. Since the both date fileds (and also month fields and year fields) have the same names, only one value is passed over.
The Tab order seems correct to me exept for the dataes (it goes day1-> day2 -> month1 -> month2 -> year1 -> year2)

Guestbook: did you enable the email notofication option ? if yes, make sure that your email address is correct. If your email address is correct, there might be a ISP issue. Try changing the notification email address.

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