Sets default options for form submission and validation.
The number of miliseconds to wait before
up.observe() runs the callback
after the input value changes. Use this to limit how often the callback
will be invoked for a fast typist.
An array of CSS selectors that are searched around a form field that wants to validate. The first matching selector will be updated with the validation messages from the server.
By default this looks for a
around the validating input field, or any element with an
An array of CSS selectors that represent form fields, such as