private void Buttonguest_Click(object sender, RoutedEventArgs e)
{
this.Close();
Window tmp = new clientWindow();
tmp.ShowDialog();
}
//image button
private void zion1_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
hu.numawful1++;
MainWindow.bl.medgrade(hu);
MessageBox.Show("תודה רבה על המשוב", "תודה(:", MessageBoxButton.OK, MessageBoxImage.Information);
this.Close();
Window tmp = new clientWindow();
tmp.ShowDialog();
}