function valida_email(email, lang){

			msg_news = new Array();

			msg_news[0] = "Formato do e-mail incorreto.";
			msg_news[1] = "Incorrect e-mail format";

			if (!/^([a-zA-Z0-9_\-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([a-zA-Z0-9\-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$/.test(email)) {
				msg = msg + "\n " + msg_news[lang] + "\n";
				return false;
			}
			return true;
	}