function launchZusatz() {
  var regval = document.forms['newsletter_anmeldung'].register.value;
  var regemail = document.forms['newsletter_anmeldung'].newsletter_email.value;

  regtype = document.forms['newsletter_anmeldung'].newsletter_art.value;
  
  
  var breite = 550;
  var hoehe = 550;
  var xPos = (screen.availWidth - breite)/2;
  var yPos = (screen.availHeight - hoehe)/2;
  var sat;
  var url= '../newsletter_abo.php?register='+regval+'&newsletter_email='+regemail+'&ort='+regtype;
  sat = window.open(url,"popup","height=550,width=550,toolbar=no,status=no,location=no,directories=no,resizeable=yes,scrollbars=1");
  sat.moveTo(xPos, yPos);
  sat.self.focus();
}

function launchZusatz2() {
  var regemail = document.forms['newsletter_abmelden'].newsletter_email.value;


  var breite = 550;
  var hoehe = 550;
  var xPos = (screen.availWidth - breite)/2;
  var yPos = (screen.availHeight - hoehe)/2;
  var sat;
  var url= '../newsletter_abo.php?register=n&newsletter_email='+regemail;
  sat = window.open(url,"popup","height=550,width=550,toolbar=no,status=no,location=no,directories=no,resizeable=yes,scrollbars=1");
  sat.moveTo(xPos, yPos);
  sat.self.focus();
}