function Cas() {
	dnes = new Date();
	with(dnes)	{
		hodiny = getHours();
		minuty = getMinutes();
		sekundy = getSeconds();
				}

	Budik =  (hodiny < 10 ? "0" : "") + hodiny;
	Budik += (minuty < 10 ? ":0" : ":") + minuty;
	Budik += (sekundy < 10 ? ":0" : ":") + sekundy;

	document.all.cifernik.innerText = Budik;
	window.setTimeout("Cas();", 1000);
}