function isValidEmail(src) {
  //var emailReg = "^[\\w-_\.]*[\\w-_\.]\@[\\w]\.+[\\w]+[\\w]$";
  var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/; //Note: added 8/26/11 because old check is not strict enough - DPL
  //var regex = new RegExp(emailReg);
  var regex = new RegExp(reg);
  return regex.test(src);
}