RV/Caravan places carry a non slip item for cabinets and such that could work wonderfully for you. I have used a similar product used as a base for rugs on hardwood floors as well. It washes up easily, too.
@Buana:
Wow! Definately ment to be…. Are you going to visit her brother once in a while?
We'll definately be getting together for play dates. Mya will have to endure their terrier attitudes though. I'm sure she can handle her own!