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) {
		far_left_services_blank_over = newImage("images/far_left-services_blank_ove.gif");
		far_left_virtual_tour_blank_over = newImage("images/far_left-virtual_tour_blank.gif");
		services_blank_over = newImage("images/services_blank-over.gif");
		services_blank_virtual_tour_blank_over = newImage("images/services_blank-virtual_tour.gif");
		services_blank_company_blank_over = newImage("images/services_blank-company_blan.gif");
		virtual_tour_blank_over = newImage("images/virtual_tour_blank-over.gif");
		virtual_tour_blank_product_blank_over = newImage("images/virtual_tour_blank-product_.gif");
		product_blank_virtual_tour_blank_over = newImage("images/product_blank-virtual_tour_.gif");
		product_blank_over = newImage("images/product_blank-over.gif");
		company_blank_services_blank_over = newImage("images/company_blank-services_blan.gif");
		company_blank_virtual_tour_blank_over = newImage("images/company_blank-virtual_tour_.gif");
		company_blank_over = newImage("images/company_blank-over.gif");
		preloadFlag = true;
	}
}