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) {
		aboutus_over = newImage("images/aboutus-over.gif");
		packages_over = newImage("images/packages-over.gif");
		request_over = newImage("images/request-over.gif");
		order_over = newImage("images/order-over.gif");
		contact_over = newImage("images/contact-over.gif");
		why_over = newImage("images/why-over.gif");
		types_over = newImage("images/types-over.gif");
		havens_over = newImage("images/havens-over.gif");
		strategies_over = newImage("images/strategies-over.gif");
		home_over = newImage("images/home-over.gif");
		top_over = newImage("images/top-over.gif");
		preloadFlag = true;
		preloadFlag = true;
	}
}