CiviCRM Community Forums (archive)

We have an event that is a convention which has multiple activities. The convention has a registration fee with two options, one for individuals and one for families. We created a price set for the convention registration and those activities and setup the event to allow multiple participants.

For the convention registration, we created a radio group with three options: Individual, Family, and Additional Person, with fees of $35, $45, and $0 respectively. Thanks to the documentation, this forum, and specifically posts by Lobo, Stoob, and Xavier, we have customized the Register and AdditionalParticipant templates, so that that Individual and Family fees show on the first registration page with Additional Person hidden, while the Additional Person fee is displayed on the AdditionalParticipant and the Family and Individual fees are hidden. So far, it works great.

What we would like to do is show/hide the Individual and Family fees based upon the value of the 'additional_participants' select box. Any ideas of how to do it? Can we do it in the Register template?

Thanks in advance.

--H