function popup(url, nome, larg, alt) {
    window.open(url, nome, 'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=yes,resizable=0,width=' + larg + ',height=' + alt + '');
}
function votarEnquete() {
    popup("popup-enquete.php","enquete",400,500);
    document.getElementById('form-enquete').submit();
}