function varosiutak(varos, utcak) {
document.getElementById(utcak).value="";

if(document.getElementById(varos).value=="Šamorín"){
  var elems = getElementsByClassName("utakVM");
  for (var i = 0, count = elems.length; i < count; i++) {
    elems[i].style["display"] = "none";
  }
  var elems = getElementsByClassName("utakSM");
  for (var i = 0, count = elems.length; i < count; i++) {
    elems[i].style["display"] = "block";
  }
}

if(document.getElementById(varos).value=="Velky Meder"){
  var elems = getElementsByClassName("utakSM");
  for (var i = 0, count = elems.length; i < count; i++) {
    elems[i].style["display"] = "none";
  }
  var elems = getElementsByClassName("utakVM");
  for (var i = 0, count = elems.length; i < count; i++) {
    elems[i].style["display"] = "block";
  }
}



}