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) {
		home_01_over = newImage("Home2.gif");
		cart_01_over = newImage("Cart2.gif");
		account_01_over = newImage("Account2.gif");
		help_01_over = newImage("Help2.gif");
		logout_01_over = newImage("Logout2.gif");
		login_01_over = newImage("Login2.gif");
		lib_01_over = newImage("Lib2.gif");
		preloadFlag = true;
	}
}