function isFilled(e){
  var type = e.getAttribute('type');
  if(type == 'radio' || type == 'checkbox'){
    return e.checked
  } else {
    return !e.value.empty()
  }
}

function anyFieldFilledIn(e){
  return e.select('input, select, textarea').map(function(e){return isFilled(e)}).any()
}