var browser;
if (navigator.appName=='Microsoft Internet Explorer') {
    browser='iexplorer';}

if (navigator.appName=='Netscape') {
    browser='netscape';
    parent.window.captureEvents(Event.KEYPRESS);
    parent.frames[0].window.captureEvents(Event.CLICK);
    parent.frames[2].window.captureEvents(Event.CLICK);
    parent.window.onkeypress = Ausgabe;
    parent.frames[2].window.onclick = Ausgabe;
    parent.frames[0].window.onclick = Ausgabe;
    function Ausgabe(Ereignis) {
        parent.window.captureEvents(Event.KEYPRESS);
        parent.frames[0].window.captureEvents(Event.CLICK);
        parent.frames[2].window.captureEvents(Event.CLICK);
        parent.window.onkeypress = Ausgabe;
        parent.frames[2].window.onclick = Ausgabe;
        parent.frames[0].window.onclick = Ausgabe;
        ausblenden ();
    }
}

function ausblenden () {    // alle ausblenden
    if (browser=='netscape') {
        for (i=0; i<12; i++) { window.document.layers[i].visibility='hide'; }
    }
    if (browser=='iexplorer') {
        Suchen.style.visibility='hidden';
        Holdorf.style.visibility='hidden';
        Muenster.style.visibility='hidden';
        Studium.style.visibility='hidden';
        Genealogy.style.visibility='hidden';
        Jobs.style.visibility='hidden';
        Politik.style.visibility='hidden';
        Geld.style.visibility='hidden';
        Computer.style.visibility='hidden';
        Ratgeber.style.visibility='hidden';
        Fun.style.visibility='hidden';
        Sonstiges.style.visibility='hidden';
    }
}

function einblenden (layernr) {
  if (browser=='netscape') {
        if (window.document.layers[layernr].visibility == 'hide') {
            ausblenden ();
            window.document.layers[layernr].visibility='show';
        }
   }
   if (browser=='iexplorer') {
	ausblenden();
        if (layernr==0) Suchen.style.visibility='visible';
        if (layernr==1) Holdorf.style.visibility='visible';
        if (layernr==2) Muenster.style.visibility='visible';
        if (layernr==3) Studium.style.visibility='visible';
        if (layernr==4) Genealogy.style.visibility='visible';
        if (layernr==5) Jobs.style.visibility='visible';
        if (layernr==6) Politik.style.visibility='visible';
        if (layernr==7) Geld.style.visibility='visible';
        if (layernr==8) Computer.style.visibility='visible';
        if (layernr==9) Ratgeber.style.visibility='visible';
        if (layernr==10)Fun.style.visibility='visible';
        if (layernr==11)Sonstiges.style.visibility='visible';
    }
}

function statusleiste (info) {
    window.status= info + ' im Internet'; return true;
}
function clearstatus () {
    window.status=''; return true;
}