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) {
		Button_About_over = newImage("images/topnav/Button_About-over.gif");
		Button_Programs_over = newImage("images/topnav/Button_Programs-over.gif");
		Button_Products_over = newImage("images/topnav/Button_Products-over.gif");
		Button_Partners_over = newImage("images/topnav/Button_Partners-over.gif");
		Button_News_over = newImage("images/topnav/Button_News-over.gif");
		Button_Recipes_over = newImage("images/topnav/Button_Recipes-over.gif");
		preloadFlag = true;
	}
}