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) {
		home_btn_over = newImage("images/home_btn-over.jpg");
		schedule_btn_over = newImage("images/schedule_btn-over.jpg");
		preschool_btn_over = newImage("images/preschool_btn-over.jpg");
		gymnasticsG_btn_over = newImage("images/gymnasticsG_btn-over.jpg");
		gymnasticsB_btn_over = newImage("images/gymnasticsB_btn-over.jpg");
		allstarcheer_btn_over = newImage("images/allstarcheer_btn-over.jpg");
		newsletterbar_02_over = newImage("images/newsletterbar_02-over.jpg");
		newsletterbar_04_over = newImage("images/newsletterbar_04-over.jpg");
		preloadFlag = true;
	}
}