[bes]

<div id="myDiv">
  <input type="radio" name="payment"   value="ACC">
  <input type="radio" name="payment"   value="VSA">
  <input type="radio" name="payment"   value="skrill">
</div>

<script>
function payment(e) {
  var e = e || event;
  var target = event.target || event.srcElement;
  var value = target.value;

  switch (value) {
    case 'ACC': {alert('код ' + value); break}
    case 'VSA': {alert('код ' + value); break}
    case 'skrill': {alert('код ' + value)}
  }
}


myDiv.onclick = payment;
</script>