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"):
		home_over = newImage("/images/nav/home_over.gif");
		about_over = newImage("/images/nav/about_over.gif");
		services_over = newImage("/images/nav/services_over.gif");
		industries_over = newImage("/images/nav/industries_over.gif");
		closings_over = newImage("/images/nav/closings_over.gif");
		news_over = newImage("/images/nav/news_over.gif");
		contact_over = newImage("/images/nav/contact_over.gif");
		sitemap_over = newImage("/images/footer_nav/sitemap_over.gif");
		espanol_over = newImage("/images/footer_nav/espanol_over.gif");
		legal_over = newImage("/images/footer_nav/legal_over.gif");
		break;
		
		/*case("promotions"):
		pattymelt_over = newImage("/images/promotions/sub/pattymelt_over.gif");
		kids_over = newImage("/images/promotions/sub/kids_over.gif");
		break;*/

		}
		preloadFlag = true;
	}
}