var Cas = new Date();
function Hodiny(h, m, s, i)
{
	var hodiny = window.document.getElementById("hodiny");
	var timer = "";
	var hod = "";
	var min = "";
	var sec = "";
	if (i == 0)
	{
		
		Cas.setHours(h, m, s);
	}
	else
	{
		Cas = new Date(Date.parse(Cas) + 1000);
	}

	hod = Cas.getHours();
	min = Cas.getMinutes();
	sec = Cas.getSeconds();
	timer += (hod < 10 ? "0" : "") + hod;
	timer += (min < 10 ? ":0" : ":") + min;
	timer += (sec < 10 ? ":0" : ":") + sec;
	hodiny.value = timer;
	window.setTimeout("Hodiny(0,0,0,1);", 1000);
}