private void button_back1_Click(object sender, RoutedEventArgs e)
{
reset();
this.consent_form_1.Visibility = System.Windows.Visibility.Visible;
//this.form1.Visibility = System.Windows.Visibility.Visible;
this.step1.FontWeight = FontWeights.ExtraBold;
this.step2.FontWeight = FontWeights.Normal;
this.step3.FontWeight = FontWeights.Normal;
log.WriteInteractionLog(35, "", ((TouchEventArgs)e).TouchDevice);
}