function verifyEmail(form) {
 checkEmail = form.email_address.value;
 if ((checkEmail.length < 5) ||
     (checkEmail.indexOf('@') < 1) ||
     (checkEmail.indexOf('.') < checkEmail.length-5)) {
   alert("Please enter a valid email address.");
   form.email_address.select();
   return false;
 }
 return true;
}