Cleaning oil/gasoline spill on hardwood floor? My mom accidently spilled gasoline or oil (we're not sure) on...

My mom accidently spilled gasoline or oil (we're not sure) on our hardwood floor. It took the shine out of the wood, and it looks markedly dull, any suggestions?
Answers:    there is a product out call quick shine floor finisher by halloway house that would put the shine spinal column into your floor the very first time you use it and later every time after it just keep getting shinner