防止在asp.net MVC 3中验证表单的一部分

I have a form with 11 fields for the shipping address and 11 fields for the billing address plus a checkbox called "shipping address is the same as billing address". When the box is checked, I use jquery to call .hide() on the div containing the shipping address inputs. How do I then disable client- and server-side validation for the shipping address fields?I have a form with 11 fields for the shipping a