function ZweiFramesBack(F1,F2) {
  Frame1=eval("parent."+F1);
  Frame2=eval("parent."+F2);
  Frame1.history.back();
 if (!window.opera) window.setTimeout("Frame2.history.back()",10);
}

function ZweiFrames(URI1,F1,URI2,F2) {
  Frame1=eval("parent."+F1);
  Frame2=eval("parent."+F2);
  Frame1.location.href = URI1;
  Frame2.location.href = URI2;
}

function kontrolle(form) {
  if (form.Name.value.length < 3) {
    alert ("Bitte geben Sie mindestens 3 Zeichen ein");
    form.Name.focus();
    return false;
  }
  return true;
}