var c_xmlHttp

function nastavKalendar(mesiac,rok)
{
c_xmlHttp=GetXmlHttpObject()
if (c_xmlHttp==null)
 {
 alert ("Browser nepodporuje HTTP Request")
 return
 } 
var url="kalendar.php"
url=url+"?mesiac="+mesiac
url=url+"&rok="+rok
url=url+"&sid="+Math.random()
c_xmlHttp.onreadystatechange=c_stateChanged 
c_xmlHttp.open("GET",url,true)
c_xmlHttp.send(null)
} 

function c_stateChanged() 
{ 
 if (c_xmlHttp.readyState==4 || c_xmlHttp.readyState=="complete")
 { 
 document.getElementById("kalendar").
 innerHTML=c_xmlHttp.responseText;
 } 
}