If you've been to Asia, namely Japan, you've likely been fascinated by their toilets.To those of us in North America, they're quite futuristic.These super bowls are loaded with buttons and gadgets whose function and operation are difficult to figure out.At least to the uninitiated. For starters,the toilets also function as bidets.Long common in Europe and other parts of the world, bidets spritz water at you for post-potty cleansing.In these newer toilets,a dryer also kicks in, wafting warm air up towards you, meaning there's no need for toilet paper