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) {
		fitness_over = newImage("./img/menu/fitness-over.gif");
		celebration_over = newImage("./img/menu/celebration-over.gif");
		parties_over = newImage("./img/menu/parties-over.gif");
		events_over = newImage("./img/menu/events-over.gif");
		contact_over = newImage("./img/menu/contact-over.gif");
		about_over = newImage("./img/menu/about-over.gif");
		meet_bdp_team_susmita_over = newImage("./img/meet_bdp_team_susmita-over.gif");
		meet_bdp_team_alexa_over = newImage("./img/meet_bdp_team_alexa-over.gif");		
		preloadFlag = true;
	}
}