function createRequestObject() {
var req;
if(window.XMLHttpRequest){
req = new XMLHttpRequest();
} else if(window.ActiveXObject) {
req = new ActiveXObject("Microsoft.XMLHTTP");
} else {
alert('Tvoj browser ne podrzava AJAX');
}
return req;
}

var http = createRequestObject();

function pobrisidate(godina){
  alert("A");	
  http.open('get', 'kalendar/kalendar.php?deldate='+godina);
  //http.onreadystatechange = prikazikal;
  http.send(null);
}

function sljedeci(mjesec,godina){
  http.open('get', 'kalendar.php?mjesec='+mjesec+'&godina='+godina);
  http.onreadystatechange = prikazikal;
  http.send(null);
}
 

function prikazikal() {
 if(http.readyState == 4 && http.status == 200){
  var response = http.responseText;
  if(response) {
   document.getElementById('kalendardiv').innerHTML = response;
  }
 }
}