Hi, you may also want to post your question on the Parkinson's Caregiver forum, a forum specifically for caregivers of PWP. There are some patients on there as well, it's a great forum for caregiving issues. I know there must be someone on there that has dealt with this very issue who can help you and your husband. Here's the link:

http://www.myparkinsons.org/cgi-bin/forum/forum_show.pl