function toggle_details(obj, id) {
  var v = (obj.options[obj.selectedIndex].value * 1)

  for (var i = 1; i <= 4; i++) {
    document.getElementById('cevap_' + id + '_' + i).style.display = 'none';
  }

  switch (v) {
    case 1: case 2: case 3: case 4:
      document.getElementById('cevap_' + id + '_' + v).style.display = 'block';
      break;
  }
}

function popup(u, w, h) {
  var p = window.open(u, 'popup', 'width=' + w + ',height=' + h + ', resizable=1,status=1,scrollbars=1');
  p.focus();
}

function admin_popup(u, n, w, h) {
  var p = window.open(u, n, 'width=' + w + ',height=' + h + ', resizable=1,status=1,scrollbars=1');
  p.focus();
}