Sometimes media in Spain blame the British press of almost wishing the fall of the euro. One of the things that the Spanish press may have missed is that besides wanting or not the collape of the euro in Britain it is usual to be very organised so it is not wonder they try to see what may happen in order to know what to do.
So, I have found a webpage at the BBC that says what may happen if Greece leaves the euro. It says what may happen to Greece but also what may happen to other countries. This is the link: