function cadastrar() {
	if (document.formNews.nome.value == "") {
		window.alert("Digite seu nome.");
		document.formNews.nome.focus();
	} else if (document.formNews.email.value == "") {
		window.alert("Digite o seu e-mail.");
		document.formNews.email.focus();
	} else if (!validateEmail(document.formNews.email, "E-mail")) {
	} else {
		document.formNews.acao.value = "javascript:window.close();";
		document.formNews.botao.value = "fechar_gr.jpg";
                document.formNews.operacao.value="cadastro_simples";
                document.formNews.idOperacaoNewsletter.value="1";
                window.open("",document.formNews.target,'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no,width=450,height=280,top=155,left=225');
                document.formNews.submit();
                window.open(document.formNews.url_final.value,"_self");
	}
}