// 07/05/2009

function newsletter(url, idName, idEmail) {

    fname = document.getElementById(idName);
    femail = document.getElementById(idEmail);

    if (fname.value.length < 3) {
        window.alert('Mínimo de três caracteres para o nome!');
        fname.focus();
        return false;
    }

    if (!isEmail(femail.value)) {
        window.alert('Informe um email válido!');
        femail.focus();
        return false;
    }

    document.location = url + '/newsletter/emails/' + femail.value + '/' + fname.value;
}