function ENewsletterPro_JoinForm_Validator(el, lang) {
    var regex = /^[a-z0-9._%+-]+@[a-z0-9.-]+\.[a-z]{2,4}/;
    var bln_error = false
    if (lang == "fr") {
        if (el.value == "") {
            alert("S'il vous pla\356t remplir la case \"Courriel\"."); bln_error = true;
        } else if (!regex.test(el.value)) {
            alert("S'il vous pla\356t fournir un courriel valable."); bln_error = true;
        }
    } else {
        if (el.value == "") {
            alert("Please enter a value for the \"Email Address\" field."); bln_error = true;
        } else if (!regex.test(el.value)) {
            alert("Please enter a valid email in the \"Email Address\" field."); bln_error = true;
        }
    }
    if (bln_error) { el.focus(); return (false); }
    return (true);
}