[Via Baboon's Palace.]
Here is a different story about a monkey-related sign. Located at Kôraku-kan, a rustic Japanese inn in snow monkey country, the sign reads: Do not be alarmed if the monkeys get in the bath with you. [SFgate]
See also: Lopburi Monkey Festival Photo Gallery in which monkeys feast on 2 1/2 tons of fruit and many, many six packs of soda.