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) {
		search_over = newImage("/layout/images/search-over.gif");
		overnav_search_over = newImage("/layout/images/overnav-search_over.gif");
		estate_over = newImage("/layout/images/estate-over.gif");
		custom_over = newImage("/layout/images/custom-over.gif");
		diamonds_over = newImage("/layout/images/diamonds-over.gif");
		bridal_over = newImage("/layout/images/bridal-over.gif");
		gold_over = newImage("/layout/images/gold-over.gif");
		colored_over = newImage("/layout/images/colored-over.gif");
		feature1_over = newImage("/layout/images/feature1-over.jpg");
		feature2_over = newImage("/layout/images/feature2-over.jpg");
		feature3_over = newImage("/layout/images/feature3-over.jpg");
		aboutus_over = newImage("/layout/images/aboutus-over.gif");
		contactus_over = newImage("/layout/images/contactus-over.gif");
		findus_over = newImage("/layout/images/findus-over.gif");
		preloadFlag = true;
	}
}