[ewoodrich]

Or if you can't afford a 1000 dollar heated/programmable washlet, you can get a no frills cold water attachment for 35 dollars on Amazon.

http://www.amazon.com/gp/aw/d/B001KKRCFA/ref=mp_s_a_1_1?qid=...

I have a similar one and it works great (though it's not as luxuroius as a Toto).