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) {
		layout2_05_over = newImage("images/about-over.gif");
		layout2_06_over = newImage("images/programs-over.gif");
		layout2_07_over = newImage("images/faq-over.gif");
		layout2_08_over = newImage("images/parents-over.gif");
		layout2_09_over = newImage("images/gallery-over.gif");
		layout2_10_over = newImage("images/calendar-over.gif");
		layout2_11_over = newImage("images/contact-over.gif");
		preloadFlag = true;
	}
}