function checkFieldText(elem, svalidator, smessage) {
  
  if (elem.value.match(svalidator)) return true;
  
  alert(smessage);
  elem.focus();
  return false;
  
}

function checkFieldSelect(elem, ivalue, smessage) {
  
  if (elem.value != ivalue) return true;
  
  alert(smessage);
  if (!elem.disabled) elem.focus();
  return false;
  
}