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) {
		home_over = newImage("images/home-over.jpg");
		arb_over = newImage("images/arb-over.jpg");
		serv_over = newImage("images/serv-over.jpg");
		pro_over = newImage("images/pro-over.jpg");
		press_over = newImage("images/press-over.jpg");
		resourses_over = newImage("images/resourses-over.jpg");
		feed_over = newImage("images/feed-over.jpg");
		contact_over = newImage("images/contact-over.jpg");
		links_17_links_04_over = newImage("images/links_17-links_04_over.gif");
		links_17_links_08_over = newImage("images/links_17-links_08_over.gif");
		links_17_links_16_over = newImage("images/links_17-links_16_over.gif");
		links_17_links_19_over = newImage("images/links_17-links_19_over.gif");
		links_17_links_24_over = newImage("images/links_17-links_24_over.gif");
		links_17_links_27_over = newImage("images/links_17-links_27_over.gif");
		links_17_links_32_over = newImage("images/links_17-links_32_over.gif");
		links_17_links_31_over = newImage("images/links_17-links_31_over.gif");
		links_17_links_30_over = newImage("images/links_17-links_30_over.gif");
		links_17_links_26_over = newImage("images/links_17-links_26_over.gif");
		links_17_links_20_over = newImage("images/links_17-links_20_over.gif");
		links_17_links_18_over = newImage("images/links_17-links_18_over.gif");
		links_17_links_13_over = newImage("images/links_17-links_13_over.gif");
		links_17_links_11_over = newImage("images/links_17-links_11_over.gif");
		links_17_links_07_over = newImage("images/links_17-links_07_over.gif");
		links_17_links_02_over = newImage("images/links_17-links_02_over.gif");
		preloadFlag = true;
	}
}