如何制作动态，智能的地址和时区联系表

Microsoft's live service has an amazing contact details form in their "Account" > "Registered information" page. You are first asked for your country and the rest of the contact form changes accordingly. For example, if you select "United States", the form fields will change to: Address 1, Address 2, City, State (drop down of US states), ZIP code, Time zone (drop down of US time zones in a user-friendly form, e.g., "Eastern Time (EST)").Microsoft's live service has an amazing contact