it consist of PCF8583 assembly driver

function preload(prefix) {
if (document.images) {
	var img_n = new Image(); img_n.src = "../images/menu/"+prefix+".gif";
	var img_a = new Image(); img_a.src = "../images/menu/"+prefix+"a.gif";
	var img_c = new Image(); img_c.src = "../images/menu/"+prefix+"c.gif";
}}

function rollOn(prefix) {
	if (document.images) { if (document.images[prefix]) {
		if (prefix=="menu12") document.images[prefix].src = "../images/menu/ballda.gif";
		if (prefix!="menu12") document.images[prefix].src = "../images/menu/balla.gif";
	}}
	return false;
}

function rollOff(prefix, current) {
	if (document.images) { if (document.images[prefix]) {
		if (prefix=="menu12") document.images[prefix].src = "../images/menu/"+((current)?"balldc":"balld")+".gif";
		if (prefix!="menu12") document.images[prefix].src = "../images/menu/"+((current)?"ballc":"ball")+".gif";
	}}
	return false;
}

preload("ball");
preload("balld");