I agree, get him to the vet!     When I first saw your thread, the first thing I thought was teething.    Toto did that when her new teeth were coming in ... I couldn't keep the drool wiped away.    But ... she never peed on anything!    I pray there is nothing serious ... please keep us updated!     
				__________________  "The difference between genius and stupidity is that genius has limits." -- Albert Einstein      |