function ordenEnvioCorreo(){
            $titulo = 'Orden de compra';
        $mail = 'priiiiiiiii';
        $headers = "From:mar2030721@gmail.com";
        for ($i=1; $i <= 4; $i++) {
            if (isset($_POST['correo'.$i])) {
                $bool = mail('9ortizcamilo@gmail.com, 'npalopa@gmail.com', $titulo, $mail, $headers);
            }
        }
        //redirect(getUrl("Requisicion2","requisicion2","listaroc"));
    }