function newsletter() {
	var ajax = false;

	if (window.XMLHttpRequest) { // Mozilla, Safari
		ajax = new XMLHttpRequest();
	
	} else if (window.ActiveXObject) { // IE
		ajax = new ActiveXObject("Microsoft.XMLHTTP");
	}


	if (ajax) {
		//mostra imagem ajax load
		document.getElementById("load_newsletter").src="/images/ajax_load.gif";
	
		nome = encodeURIComponent(document.getElementById("nome_new").value);
		email = encodeURIComponent(document.getElementById("email_new").value);
		ajax.open("GET","/ajax/newsletter/newsletter_engine.php?nome="+ nome + "&email=" + email, true);
		
		ajax.onreadystatechange = function() {
		
			if (ajax.readyState == 4) {
				if (ajax.status == 200) {
					document.getElementById('newsletter_menu').innerHTML = ajax.responseText;
				}else{
					alert('Houve um problema ao carregar o modulo ajax');
				}
			}
		}
	}

	ajax.send(null);
}