function isValidEmail(email) {
	var emailReg = "^[\\w-_\.]*[\\w-_\.]\@[\\w]\.+[\\w]+[\\w]$";
  var regex = new RegExp(emailReg);
  return regex.test(src);
  //fmt = /^[\w\.-]+@{1}[\w\.-]+\.{1}[\w\.-]{2,4}$/;
  //return fmt.test(email);
}