function votar(id,voto) {
   var url = '/votar_async.php';
   var pars = "id="+id+"&vot="+voto;
   var target = 'votacion-'+id;
   var myAjax = new Ajax.Updater(target, url, {method: 'get', parameters: pars});
}

function newsletter_subscribe(mail) {
   var url = '/include/newsletter.async.php';
   var pars = "mail="+mail;
   var target = 'newsletter-subscribe-status';
   var myAjax = new Ajax.Updater(target, url, {asynchronous:true, parameters:Form.serialize(this)});
}