var syndLinkRequest = getNewHTTPObject();
  
  var xmlhttp;
  xmlhttp=null;
  var timeArr=new Array();
  var going=false;
  
  function zmenCas()
  {
  
  	timeArr[2]++;
	if(timeArr[2]==60){timeArr[2]=0;timeArr[1]++;}
	if(timeArr[1]==60){timeArr[1]=0;timeArr[0]++;}
	if(timeArr[0]==24){timeArr[0]=0;}
	casEl = document.getElementById("cas");
	casEl.innerHTML=timeArr[0]+":"+(timeArr[1]<10?"0":"")+parseInt(timeArr[1])+":"+(timeArr[2]<10?"0":"")+parseInt(timeArr[2]);
	
  }
  
  function nastavCas()
  {
  	//if (syndLinkRequest.readyState != 4)		return;
	str=xmlhttp.responseText;
	if(str!="" && !going)
	{
		going=true;
		timeArr = str.split(":");
		/*timeArr[0]=parseInt(timeArr2[0]);
		timeArr[1]=parseInt(timeArr2[1]);
		timeArr[2]=parseInt(timeArr2[2]);*/
		casEl = document.getElementById("cas");
		casEl.innerHTML=str;
		window.setInterval("zmenCas()",1000);
	}
  }
  
  function cas()
{


if (window.XMLHttpRequest)
  {// code for all new browsers
  xmlhttp=new XMLHttpRequest();
  }
else if (window.ActiveXObject)
  {// code for IE5 and IE6
  xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
  }
if (xmlhttp!=null)
  {
  xmlhttp.onreadystatechange = nastavCas;
  xmlhttp.open("GET","./source/cas.php",true);
  xmlhttp.send(null);
  }
 
/*
else
  {
  alert("Your browser does not support XMLHTTP.");
  }*/
}