you could take it to an open all night vet.. here's some links I found... good luck, he sure is cute!

http://www.kittenrescue.org/handbook.htm
http://www.fanciers.com/cat-faqs/orphans.html
http://www.geocities.com/Heartland/Ridge/2969/baby.html
http://www.petstation.com/kittencare.html
http://www.safehavenforcats.com/newborn.htm