function frame_zitat(kennung)
{
var fenster = window.open("", "zitat", "width=750, height=500");
fenster.document.open();
fenster.document.write("");
fenster.document.write("Zitate");
fenster.document.write("");
fenster.document.write("");
fenster.document.close();
fenster.focus()
}
function frame_standard(zeigen)
{
var fenster = window.open("", "standard", "width=750, height=500");
fenster.document.open();
fenster.document.write("");
fenster.document.write("Anzeige von anderen Texten");
fenster.document.write("");
fenster.document.write("");
fenster.document.close();
fenster.focus()
}
function frame_buch(zeigen)
{
var fenster = window.open("", "buch", "width=750, height=500");
fenster.document.open();
fenster.document.write("");
fenster.document.write("Kommentierte Literaturangaben");
fenster.document.write("");
fenster.document.write("");
fenster.document.close();
fenster.focus()
}