Optical Audio Cable splitter

You can also try a switch:
http://www.shop.com/op/~Digital_Audi...1?sourceid=298

Quote:

This optical switch lets you connect up to 3 different optical digital components to a component with only one optical digital input.

$30

More then what you want to spend but I doubt it would be cheaper except on eBay.

Does your receiver have a coaxial input, then you can try this:
http://www.cablewholesale.com/catalo...udiocables.htm
"Digital Fiber Optical (Toslink) to Digital Coaxial (S/PDIF) Converter"
http://www.cablewholesale.com/specs/10tr-08300.htm
$18

For the output question:
http://www.cablewholesale.com/specs/40av-81002.htm

Quote:

Designed to connect 1 digital audio sources output (such as a DVD Player, Satellite Box, HDTV Receiver, etc...) to 2 amps or devices that output sound.

This device is NOT designed to work backwards, 2 devices to 1 amp.

Jam it back in, in the dark.