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) {
		artisan_over = newImage("images/artisan-over.jpg");
		shop_over = newImage("images/shop-over.jpg");
		printable_over = newImage("images/printable-over.jpg");
		why_over = newImage("images/why-over.jpg");
		candlecare_over = newImage("images/candlecare-over.jpg");
		artisanhomeworks_over = newImage("images/artisanhomeworks-over.jpg");
		whatsnew_over = newImage("images/whatsnew-over.jpg");
		contactus_over = newImage("images/contactus-over.jpg");
		home_over = newImage("images/home-over.jpg");
		preloadFlag = true;
	}
}