I don't know if this is the right forum to post this question in, but here goes. My freind's parents recently bought a home that's a real fix'er up'er. It smells like who ever lived there before had a cat that would spray, or at the very least not use it's litter box. They have removed all the carpet & flooring, but there are hardwood floors that are stained & there is still some smell. They are going to cover the hardwood floors with carpet, but they want to get the smell out. They don't care if the hardwood floor gets ruined, but do not want to remove the floor. I'm wondering what they can used to clean the floors. No one is living in the house right now so if a strong chemical needs to be left on that is not an issue. Anyone have any suggestions?