The page was updated on 08 August 2007 12:24:00 (in firefox - right click and view page info), so should be up to date despite the near Weimar Republic inflation levels you might expect from a semi state.
left car there for 2 weeks, came back on 26th August Cost €80 and that was for 2 weeks and 5hrs, so there was none of that part of day thereafter that Dublin airport charges.
The rate is €8 a day or €40 per week.
Drop the luggage and other passengers off at the departures set down spot then drive the car into the long term carpark ( just a stones throw away.) By the way the same parking in Dublin would have cost €129