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) {
		spacer = newImage("/images/spacer.gif");
		but_products_over = newImage("/images/but_products-over.gif");
		but_download_over = newImage("/images/but_download-over.gif");
		but_order_over = newImage("/images/but_order-over.gif");
		but_support_over = newImage("/images/but_support-over.gif");
		but_upgrades_over = newImage("/images/but_upgrades-over.gif");
		but_about_over = newImage("/images/but_about-over.gif");
		top_btn01on = newImage("/images/top1b.gif");
		top_btn02on = newImage("/images/top2b.gif");
		top_btn03on = newImage("/images/top3b.gif");
		question = newImage("/customers/images/icon_question.gif");
		word = newImage("/customers/images/word.gif");
		pdf = newImage("/customers/images/pdf.gif");
		preloadFlag = true;
	}
}