function losgehts() 
{
document.getElementById(lead).style.visibility='hidden';
document.getElementById(z).style.visibility='visible';
document.getElementById('bild').style.visibility='visible';
}

function anzeigen(an,aus) 
{
document.getElementById(aus).style.visibility='hidden';
document.getElementById(an).style.visibility='visible';
document.getElementById('back').style.visibility='visible';
document.getElementById('bild').style.visibility='visible';
}

function goback() 
{
document.getElementById('lead').style.visibility='hidden';
document.getElementById('a').style.visibility='hidden';
document.getElementById('b').style.visibility='hidden';
document.getElementById('c').style.visibility='hidden';
document.getElementById('d').style.visibility='hidden';
document.getElementById('e').style.visibility='hidden';
document.getElementById('f').style.visibility='hidden';
document.getElementById('g').style.visibility='hidden';
document.getElementById('t').style.visibility='hidden';
document.getElementById('z').style.visibility='visible';
document.getElementById('bildcont').style.visibility='visible';
document.getElementById('info').style.visibility='visible';
document.getElementById('back').style.visibility='hidden';
document.getElementById('bild').style.visibility='hidden';
}

function playSound(whSound,Bildnr,Bildobjekt) 
{ 
if (window.auCon) auCon.control(whSound,true);     
}

function stopSound(whSound,Bildnr,Bildobjekt) 
{ 
if (window.auCon) auCon.control(whSound,false);     
}

function flugzeug1() 
{
document.getElementById('flug1').style.visibility='hidden';
document.getElementById('flug2').style.visibility='visible';  
}

function flugzeug2() 
{
document.getElementById('flug2').style.visibility='hidden';  
document.getElementById('flug3').style.visibility='visible';
}

function flugzeug3() 
{
document.getElementById('flug3').style.visibility='hidden';  
document.getElementById('flug4').style.visibility='visible';
}

function flugzeug4() 
{
document.getElementById('flug4').style.visibility='hidden';
document.getElementById('flug5').style.visibility='visible';  
}

function flugzeug5() 
{
document.getElementById('flug5').style.visibility='hidden';  
document.getElementById('flug6').style.visibility='visible';
}

function flugzeug6() 
{
document.getElementById('flug6').style.visibility='hidden';  
document.getElementById('flug1').style.visibility='visible';  
}


var aySound = new Array();
// Below: source for sound files to be preloaded
aySound[0] = "test.mp3";
aySound[1] = "gaeng.mp3";
aySound[2] = "hm.mp3";
aySound[3] = "atem.mp3";

    blau = new Image(); 
    blau.src = "blau.jpg";
    auto = new Image(); 
    auto.src = "auto.jpg";
    taxi = new Image(); 
    taxi.src = "taxi.jpg";
    krug = new Image(); 
    krug.src = "krug.jpg";
    baer = new Image(); 
    baer.src = "baer.jpg";
    auto2 = new Image(); 
    auto2.src = "auto.gif";
    taxi2 = new Image(); 
    taxi2.src = "taxi.gif";
    krug2 = new Image(); 
    krug2.src = "krug.gif";
    baer2 = new Image(); 
    baer2.src = "baer.gif";

// DO NOT edit below this line
document.write('<BGSOUND ID="auIEContainer">')
IE = (navigator.appVersion.indexOf("MSIE")!=-1 && document.all)? 1:0;
NS = (navigator.appName=="Netscape" && navigator.plugins["LiveAudio"])? 1:0;
ver4 = IE||NS? 1:0;
onload=auPreload;

function auPreload() {
if (!ver4) return;
if (NS) auEmb = new Layer(0,window);
else {
Str = "<DIV ID='auEmb' STYLE='position:absolute;'><\/DIV>";
document.body.insertAdjacentHTML("BeforeEnd",Str);
}
var Str = '';
for (i=0;i<aySound.length;i++)
Str += "<EMBED SRC='"+aySound[i]+"' AUTOSTART='FALSE' HIDDEN='TRUE'>"
if (IE) auEmb.innerHTML = Str;
else {
auEmb.document.open();
auEmb.document.write(Str);
auEmb.document.close();
}
auCon = IE? document.all.auIEContainer:auEmb;
auCon.control = auCtrl;
}
function auCtrl(whSound,play) {
if (IE) this.src = play? aySound[whSound]:'';
else eval("this.document.embeds[whSound]." + (play? "play()":"stop()"))
}


    rot = new Image(); 
    rot.src = "rot.jpg";
    ente = new Image(); 
    ente.src = "ente.jpg";
    wecker = new Image(); 
    wecker.src = "wecker.jpg"
    kuh = new Image(); 
    kuh.src = "kuh.jpg"
    jan = new Image(); 
    jan.src = "jan.jpg"
    et = new Image(); 
    et.src = "et.jpg"
    kuhklein = new Image(); 
    kuhklein.src = "kuhklein.jpg"
    gaby = new Image(); 
    gaby.src = "gaby.jpg"
    schwamm = new Image(); 
    schwamm.src = "schwamm.jpg"

function bildan(whSound,Bildnr,Bildobjekt) 
{ 
window.document.images[Bildnr].src = Bildobjekt.src; 
}

function bildaus(whSound,Bildnr,Bildobjekt) 
{ 
window.document.images[Bildnr].src = Bildobjekt.src; 
}

function sound(a) 
{
document.getElementById('soundpoint').volume=1;
document.getElementById('soundpoint').src=a;
}