/**
  * Checks, if value in option value
  */
function check_se(ar, val, err) {
  isin = false;
  if (document.all) {
    ar = document.all[ar]
  } else {
    ar = document.getElementById(ar);
  }
  val2 = val;
  val = val.value;
  for (i=0;i<ar.options.length; i++) {
    if (ar.options[i].value == val) {
      isin = true;
      ar.selectedIndex = i;
      break;
    }
  }
  if (!isin) {
   alert(err);
   val2.focus();
 //   alert('After focus...');
  };
  return isin;
}