What chemicals can be sprayed to rid of frogs in yard?

PRODUCT NAME: Frog Repellent.

PRODUCT DESCRIPTION: A granular material which will last up to

three months when sprinkled outside. It has a slight odor

which frogs can detect but people and pets don't. It is

designed to withstand rain and weather and last up to

three months per application.

Where to get it: http://www.bugspray.com/catalog/products/page2228.html