function Validate(newsletter) {
	
	if (!isLength(newsletter.txtEmail.value, 1, 200)) return warnInvalid(newsletter.txtEmail, "Email must be between 1 and 200 characters in length");
	
	if (!isEmpty(newsletter.txtEmail.value)) {
		if (!isEmail(newsletter.txtEmail.value)) return warnInvalid(newsletter.txtEmail, "Email address is invalid.");
	}
	return true;
}