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) {
		nav_shop_over = newImage("/images/nav_shop_over.gif");
		nav_printcenter_over = newImage("/images/nav_printcenter_over.gif");
		nav_news_over = newImage("/images/nav_news_over.gif");
		nav_dieline_over = newImage("/images/nav_dieline_over.gif");
		requestQuote_over = newImage("/images/requestQuote_over.gif");
		accnav_myacct_over = newImage("/images/accnav_myacct_over.gif");
		accnav_cart_over = newImage("/images/accnav_cart_over.gif");
		
		preloadFlag = true;
	}
}