I am wondering if there is a best practice recommended for dealing with
hiding and showing form items. I've got a form I've develops with a
mvcheckbox. Each item of the check box hides or shows a particular set
of form fields. However, I've noticed that if "item a" is hidden and
"item b" is checked, there is a large whitespace between the top of the
page and "item b", which is where "item a" presumably reside, albeit hidden.

Does anyone have any suggestions for dealing with this situation? It
would nice to not have hidden items create unnecessary whitespace or
gaps in the form.