One place you can order custom drapes and curtains for your RV is Homespun Fabrics and Draperies. You can find them online at http://www.homespunfabrics.com/ or give them a call at (805) 642-1152.

Who made the chassis doesn't really matter - what does matter is what motor you have in it. IIRC, Itasca RVs were built on Freightliner chassis ranging from the Sprinter 3500 up to the custom built RV chassis from Freightliner Custom Chassis.

Most RV lots do contain used accesible vans for wheelchair lifts. There are also custom design shops where used vans can be found.

An RV.

They are riding in a RV. Hence the name RV