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) {
		noni_over = newImage("../noni_pictures/topnav2/noni-over.gif");
		noni_health_products_over = newImage("../noni_pictures/topnav2/noni-health_products_over.gif");
		health_products_noni_research_over = newImage("../noni_pictures/topnav2/health_products-noni_resear.gif");
		health_products_over = newImage("../noni_pictures/topnav2/health_products-over.gif");
		noni_research_ordering_over = newImage("../noni_pictures/topnav2/noni_research-ordering_over.gif");
		noni_research_over = newImage("../noni_pictures/topnav2/noni_research-over.gif");
		ordering_wholesale_over = newImage("../noni_pictures/topnav2/ordering-wholesale_over.gif");
		ordering_over = newImage("../noni_pictures/topnav2/ordering-over.gif");
		wholesale_over = newImage("../noni_pictures/topnav2/wholesale-over.gif");
		preloadFlag = true;
	}
}