function NewsletterSwap(expected,desired,id) {
 var input;
 input = document.getElementById(id);
 if (input.value == expected) {
  input.value = desired;
 }
}
function NewsletterValidate(id) {
 var at;
 var input;
 input = document.getElementById(id).value;
 at = input.indexOf("@");
 if (input == "name@domain.com" || at == -1 || input.length < 3) {
  alert("Please enter your email address.");
  return false;
 }
 else {
  return true;
 }
}