the info cards is getting so close, need to work on logic:-
atm all the cards are made visible permanantely which means if a card that is lower in the layering order gets called after having called 1 that has a lower z value it looks like the 2nd card call doesn't work cos its hidden by the other card
-therefore need to make it ask if there is a card showing, if there is call its hide function and then show the new 1.
and need to check what cards are locked and what cards are unlocked on the scenes awake()