function validateNewsletter()
{
    valid = true;

    if ( document.newslettersignup.firstname.value == "" )
    {
        alert ( "Please fill in the first name for newsletter sign up." );
        valid = false;
    }
	else if ( document.newslettersignup.lastname.value == "" )
    {
        alert ( "Please fill in the last name for newsletter sign up." );
        valid = false;
    }
	else if ( document.newslettersignup.email.value == "" )
    {
        alert ( "Please fill in the email for newsletter sign up." );
        valid = false;
    }

    return valid;
}