function change(id, newClass) {
  identity = document.getElementById(id);
  if (identity) identity.className=newClass;  
}

function textCounter(field, countfield, maxlimit) {
  if (field.value.length > maxlimit) {
    field.value = field.value.substring(0, maxlimit);
  } else {
    countfield.value = maxlimit - field.value.length;
  }
}

function confirmSubmit(msg) {
  var agree = confirm("Biztosan ezt akarod: " + msg + "?");
  if (agree) return true ;
  else return false ;
}