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) {
		layout_01d2_About_LMW_over_over = newImage("menu/layout-01d2_About-LMW-over-over.png");
		video_over = newImage("menu/video-over.png");
		web_over = newImage("menu/web-over.png");
		contact_over = newImage("menu/contact-over.png");
		home_over = newImage("menu/home-over.png");
		preloadFlag = true;
	}
}