private void Nav(MetroForm form, Panel panel)
{
CargaCfgUsuario(user.Usuario);
form.TopLevel = false;
panel.Controls.Add(form);
panel.Tag = form;
form.BringToFront();
form.CaptionBarColor = ColorTranslator.FromHtml(NewColor.Pant1);
form.CaptionForeColor = ColorTranslator.FromHtml(NewColor.FontColor);
form.Show();
}