What do I need to use a set of speakers on 2 computers?

[stuppy]

Hey,

I need some kind of cable splitting thing that I can plug my 3.5mm jack from my speakers into, that then has two further 3.5mm jacks that i can plug into my two laptops.

Will save me having to plug the speakers into the different computers when i switch.

What do i need?!

Thanks

 

[stuppy]

So its not a case of simply splitting the one cable that coems from the speakers into two standard 3.5mm? I dont mind of sound would come out of both computers at the same time.