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) {
		btn_blog_over = newImage("/images/btn_blog-over.jpg");
		btn_marketing_resources_over = newImage("/images/btn_marketing_resources-ove.jpg");
		btn_newsletter_over = newImage("/images/btn_newsletter-over.jpg");
		btn_caseStudies_over = newImage("/images/btn_caseStudies-over.jpg");
		btn_home_over = newImage("/images/btn_home-over.jpg");
		btn_aboutUs_over = newImage("/images/btn_aboutUs-over.jpg");
		btn_contactUs_over = newImage("/images/btn_contactUs-over.jpg");
		btn_product_services_over = newImage("/images/btn_product_services-over.jpg");
		btn_encourage_auto_purchases_over = newImage("/images/btn_encourage_auto_purchase-over.jpg");
		btn_reach_new_customers_over = newImage("/images/btn_reach_new_customers-ove.jpg");
		btn_manage_dealer_inventory_expenses_over = newImage("/images/btn_manage_dealer_inventory-over.jpg");
		btn_sign_up_over = newImage("/images/btn_sign_up-over.jpg");
		
		btn_InstructionalVideosOver = newImage("/images/btnInstructionalVideos-over.jpg");
		btn_VideoTestimonialsOver = newImage("/images/btnVideoTestimonials-over.jpg");
		
		preloadFlag = true;
	}
}