function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		nav_calendar_over = newImage("/PrivateLabel/WestfieldOnWeekends/Images/nav_calendar-over.gif");
		nav_tickets_over = newImage("/PrivateLabel/WestfieldOnWeekends/Images/nav_tickets-over.gif");
		nav_events_over = newImage("/PrivateLabel/WestfieldOnWeekends/Images/nav_events-over.gif");
		nav_areainfo_over = newImage("/PrivateLabel/WestfieldOnWeekends/Images/nav_areainfo-over.gif");
		nav_directions_over = newImage("/PrivateLabel/WestfieldOnWeekends/Images/nav_directions-over.gif");
		nav_about_over = newImage("/PrivateLabel/WestfieldOnWeekends/Images/nav_about-over.gif");
		nav_links_over = newImage("/PrivateLabel/WestfieldOnWeekends/Images/nav_links-over.gif");
		preloadFlag = true;
	}
}