You will be very lucky if this washing machine wash has not damaged your IPOD beyond economical repair. The usual solution is to let it dry out gradually over a period of many days (by keeping it somewhere warm+dry eg an airing cupboard) , and NOT to switch it on too soon. The chances are that it is the hard-drive that has major damaged so it would be possible to buy a used replacement off Ebay and swop it.(around £10 ?) Beware though, taking an IPOD to pieces is rather awkward so make sure you know how to do it and have the correct tools BEFORE you start ....Good Luck
RegWorts, April 2008