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) {
		ourproducts_over = newImage("image/ourproducts-over.gif");
		about_over = newImage("image/about-over.gif");
		contact_over = newImage("image/contact-over.gif");
		shippinginfo_over = newImage("image/shippinginfo-over.gif");
		viewcart_over = newImage("image/viewcart-over.gif");
		home_over = newImage("image/home-over.gif");
		wui_p_ourproducts_over = newImage("image/wui-p-ourproducts-over.jpg");
		wui_bodybg_ourproducts_over = newImage("image/wui-bodybg-ourproducts-over.gif");
		wui_r_ourproducts_over = newImage("image/wui-r-ourproducts-over.jpg");
		preloadFlag = true;
	}
}