var callback2 =
{
    success: function(o) {
        newsletterDiv = document.getElementById("nlRes");
        newsletterDiv.innerHTML = o.responseText;
    },
    failure: function(o) {
        alert("Momentan abonarea la newsletter este indisponibila.");
    },
    argument: ['biz','cafe']
};

function newsletterSubscribe()
{   
    email_addr = document.newsletter_subscribe.newsletter_email.value;
    newsletterDiv = document.getElementById("nlRes");
    newsletterDiv.innerHTML = '<span style="color: #999999;">... va rugam asteptati</span>';
    YAHOO.util.Connect.asyncRequest("GET", "/newsletter_abonare?email=" + email_addr, callback2);
    return false;
}