function sponsorSubmit () {
  var msg = '';
  if (document.frmSponsorInfo.Name.value.length == 0) {
    msg += 'You must enter a Name.\r';
  }
  var p1 = document.frmSponsorInfo.Email.value.indexOf ('@');
  if ((p1 <= 0) || (p1 >= document.frmSponsorInfo.Email.value.length - 1)) {
    msg += 'You must enter a valid Email Address.\r';
  }
  if (msg.length > 0) {
    alert ('Sorry. ' + msg);
   } else {
    document.frmSponsorInfo.submit ();
  }
}