function FensterOeffnen (Adresse) {
  MeinFenster = window.open(Adresse, "Zweitfenster", "width=700px,  left=150,top=80, scrollbars=yes");
  MeinFenster.focus();
  }

function FensterKlein (Adresse) {
  MeinFenster = window.open(Adresse, "Zweitfenster", "width=350px, height=650, left=150,top=80, scrollbars=yes");
  MeinFenster.focus();
  }

function Go (select) {
    var wert = select.options[select.options.selectedIndex].value;
    if (wert == "leer") {
        select.form.reset();
        parent.frames["unten"].focus();
        return;
    } else {
        if (wert == "ende") {
            top.location.href = parent.frames[1].location.href;
        } else {
            parent.location.href = wert;
            select.form.reset();
            parent.focus();
        }
    }
}