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) {
		pork_products_over = newImage("http://hertelmeats.com/images/pork_products-over.gif");
		hertels_history_over = newImage("http://hertelmeats.com/images/hertels_history-over.gif");
		pork_products_20_new_hertels_over = newImage("http://hertelmeats.com/images/pork_products_20-new_hertel.gif");
		new_hertels_over = newImage("http://hertelmeats.com/images/new_hertels-over.gif");
		pork_recipes_over = newImage("http://hertelmeats.com/images/pork_recipes-over.gif");
		contact_hertels_over = newImage("http://hertelmeats.com/images/contact_hertels-over.gif");
		preloadFlag = true;
	}
}