function runClock() {
	today = new Date();
	hours = today.getHours();
	minutes = today.getMinutes();
	TimeValue = hours;
	TimeValue += ((minutes < 10) ? ":0" : ":") + minutes;
	var h=document.getElementById("hodiny");
	h.innerHTML = TimeValue;
	window.setTimeout("runClock()",1000);
}