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

function changeImages() {
	if (document.images) {
		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) {
		lotw_over = newImage("/includes/wrappers/2/nav_lotw_over.jpg");
		merchandise_over = newImage("/includes/nav/images/merchandise_over.gif");
		alumni_over = newImage("/includes/nav/images/alumni_over.gif");
		media_over = newImage("/includes/nav/images/media_over.gif");
		support_over = newImage("/includes/nav/images/support_over.gif");
		about_over = newImage("/includes/nav/images/about_over.gif");
		forums_over = newImage("/includes/nav/images/forums_over.gif");
		preloadFlag = true;
	}
}