//Rollover Functions	
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) {
		about_down = newImage("/images/about_down.gif");
		about_over = newImage("/images/about_over.gif");
		news_down = newImage("/images/news_down.gif");
		news_over = newImage("/images/news_over.gif");
		grants_down = newImage("/images/grants_down.gif");
		grants_over = newImage("/images/grants_over.gif");
		fund_down = newImage("/images/fund_down.gif");
		fund_over = newImage("/images/fund_over.gif");
		liver_down = newImage("/images/liver_down.gif");
		liver_over = newImage("/images/liver_over.gif");
		contact_over = newImage("/images/contact_over.gif");
		contact_down = newImage("/images/contact_down.gif");
		auction_over = newImage("/images/auction_over.gif");
		auction_down = newImage("/images/auction_down.gif");        
		preloadFlag = true;
	}
}