if (document.images) {

	var ConcertsOff = new Image();
	ConcertsOff.src = "/img/concerts_off.gif";
	var ConcertsOn = new Image();
	ConcertsOn.src = "/img/concerts_on.gif";

	var SportsOff = new Image();
	SportsOff.src = "/img/sports_off.gif";
	var SportsOn = new Image();
	SportsOn.src = "/img/sports_on.gif";

	var TheatreOff = new Image();
	TheatreOff.src = "/img/theatre_off.gif";
	var TheatreOn = new Image();
	TheatreOn.src = "/img/theatre_on.gif";		

	var HomeOff = new Image();
	HomeOff.src = "/img/home_off.gif";
	var HomeOn = new Image();
	HomeOn.src = "/img/home_on.gif";		

	var MapsOff = new Image();
	MapsOff.src = "/img/maps_off.gif";
	var MapsOn = new Image();
	MapsOn.src = "/img/maps_on.gif";		

	var ToursOff = new Image();
	ToursOff.src = "/img/tours_off.gif";
	var ToursOn = new Image();
	ToursOn.src = "/img/tours_on.gif";		

	var CartOff = new Image();
	CartOff.src = "/img/cart_off.gif";
	var CartOn = new Image();
	CartOn.src = "/img/cart_on.gif";		

	var AcctOff = new Image();
	AcctOff.src = "/img/acct_off.gif";
	var AcctOn = new Image();
	AcctOn.src = "/img/acct_on.gif";		
}

function off(linkID) {
	document[linkID].src = eval(linkID + "Off.src");
}

function on(linkID) {
	document[linkID].src = eval(linkID + "On.src");
}