function valida_contato(frm){
	if (frm.nome.value.length < 1){
		alert("Preencha o campo 'Nome'.");
		frm.nome.focus();
		return (false);
	}
	if (frm.email.value.length < 1){
		alert("Preencha o campo 'E-mail'.");
		frm.email.focus();
		return (false);
	}
	return (true);
}

function andamento(frm){
	op = frm[frm.selectedIndex].value;
	document.location = op;
}