Originally Posted by
Artemio
Sorry, I'm not able to find the page in english, but you may give it a try
here
you got an hour for the booking

It's
here.

But it's 52chf for those without a half-fare card. It' says that it's 106chf on the next, but just click on that link and you'll get the half-price discount on the page after that.

Sadly, the SBB site isn't quite a clear as it used to be.