A common form feature is to have sections of the form that are revealed or
hidden depending on the entries made on other form inputs. This document
describes an approach using the Usable Forms code from Peter-Paul Koch’s
site at www.quirksmode.org

Level: medium, requires PHP and JavaScript knowledge.

Important: This document was written for ChronoForms v3 on Joomla! 1.5;
it may be possible to adapt the contents to ChronoForms v4 and/or Joomla! 1.6
but this has not been tested.