var plusImg = new Image();
	plusImg.src = "img/open.gif"
var minusImg = new Image();
	minusImg.src = "img/close.gif"
	


function hideLevel( _levelId, _imgId ) {
	var thisLevel = document.getElementById( _levelId );
	var thisImg = document.getElementById( _imgId );
	thisLevel.style.display = "none";
	thisImg.src = plusImg.src;
	}
	
function hideAll() {
	hideLevel("accesslink", "accImg");
	hideLevel("Accommodationlink", "AccommodationImg");
	hideLevel("Campsitelink", "CampsiteImg");
	hideLevel("Parkinglink", "ParkingImg");
	hideLevel("Crechelink", "CrecheImg");
	hideLevel("Guestslink", "GuestsImg");
	hideLevel("Mealslink", "MealsImg");
	hideLevel("Pubslink", "PubsImg");
	hideLevel("nightlink", "nightImg");
	hideLevel("Musiclink", "MusicImg");
	}
	
function showLevel( _levelId, _imgId ) {
	var thisLevel = document.getElementById( _levelId );
	var thisImg = document.getElementById( _imgId );
	if ( thisLevel.style.display == "none") {
		thisLevel.style.display = "block";
		thisImg.src = minusImg.src;
		}
	else {
		hideLevel( _levelId, _imgId);
		}
	}