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_home_over = newImage("/graphics/nav_home-over.gif");
		nav_personalities_over = newImage("/graphics/nav_personalities-over.gif");
		nav_joyner_over = newImage("/graphics/nav_joyner-over.gif");
		nav_contests_over = newImage("/graphics/nav_contests-over.gif");
		nav_connections_over = newImage("/graphics/nav_connections-over.gif");
		nav_sales_over = newImage("/graphics/nav_sales-over.gif");
		nav_pictures_over = newImage("/graphics/nav_pictures-over.gif");
		nav_performances_over = newImage("/graphics/nav_performances-over.gif");
		nav_music_over = newImage("/graphics/nav_music-over.gif");
		nav_requests_over = newImage("/graphics/nav_requests-over.gif");
		nav_community_over = newImage("/graphics/nav_community-over.gif");
		nav_news_over = newImage("/graphics/nav_news-over.gif");
		preloadFlag = true;
	}
}