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(imageset) {
	if (document.images) {
	switch(imageset) {
		case("main"):
		about_curves_over = newImage("/images/nav/about_curves_over.gif");
		locations_over = newImage("/images/nav/locations_over.gif");
		curves_right_over = newImage("/images/nav/curves_right_over.gif");
		franchise_info_over = newImage("/images/nav/franchise_info_over.gif");
		news_over = newImage("/images/nav/news_over.gif");
		contact_us_over = newImage("/images/nav/contact_us_over.gif");
		faqs_over = newImage("/images/nav/faqs_over.gif");
		
		home_over = newImage("/images/footer/home_over.gif");
		legal_over = newImage("/images/footer/legal_over.gif");
		privacy_over = newImage("/images/footer/privacy_over.gif");
		site_map_over = newImage("/images/footer/site_map_over.gif");
		site_credit_over = newImage("/images/footer/site_credit_over.gif");
		break;

		}
		preloadFlag = true;
	}
}