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) {
		var events = newImage("files/images/eventsbox.jpg");
		var gallery = newImage("files/images/gallerybox.jpg");
		var girls = newImage("files/images/girlsbox.jpg");
		var fighters = newImage("files/images/fightersbox.jpg");
		
		var eventsover = newImage("files/images/eventsboxover.jpg");
		var galleryover = newImage("files/images/galleryboxover.jpg");
		var ncagirlsover = newImage("files/images/girlsboxover.jpg");
		var fightersover = newImage("files/images/fighterboxover.jpg");
		
		preloadFlag = true;
	}
}