bilder = new Array();
bilder[0]=new Image();
bilder[0].src="bilder/diana_schmid_mezzosopran_5.jpg";   //weiss
bilder[1]=new Image();
bilder[1].src="bilder/diana_schmid_mezzosopran_bg.png";

bilder[2]=new Image();
bilder[2].src="bilder/diana_schmid_mezzosopran_7.png";   //blau dreieck
bilder[3]=new Image();
bilder[3].src="bilder/diana_schmid_mezzosopran_7b.gif";    //weiss dreieck


var audio_nav="";


function m_over(index,picid) {
 document.images[picid].src = bilder[index].src;
}


function m_over_audio(index,picid) {

switch(audio_nav)     {

   case "au1": {

    if(picid="au1_b") {}else{
    document.images[picid].src = bilder[index].src;
    }
    // document.images[picid].src = bilder[2].src;
     //alert(audio_nav);
   break;
   }
   case "au2": {
    if(picid="au2_b") {}else{
    document.images[picid].src = bilder[index].src;
    }
   //    document.images[picid].src = bilder[2].src;
    //alert(audio_nav);
   break;
   }
   case "au3": {
    if(picid="au3_b") {}else{
    document.images[picid].src = bilder[index].src;
    }
   //document.images[picid].src = bilder[2].src;
    // alert(audio_nav);
   break;
   }
   case "au4": {
    if(picid="au4_b") {}else{
    document.images[picid].src = bilder[index].src;
    }
    // document.images[picid].src = bilder[2].src;
     //alert(audio_nav);
   break;
   }
   case "": {
     document.images[picid].src = bilder[index].src;
     //alert(audio_nav);
   break;
   }
   default: {
    //document.images[picid].src = bilder[index].src;
    //alert(audio_nav);
    }
    }
}

  function aus(idaus) {
   if (document.layers)  {
       document.layers[idaus].visibility = "hidden";
          }
   else if (document.all)  {
       document.all[idaus].style.visibility = "hidden";
   }
   else if (document.getElementById)    {
  document.getElementById(idaus).style.visibility = "hidden";
  }
  }


  function an(idan) {

   if (document.layers)  {
       document.layers[idan].visibility = "show";
    }
   else if (document.all)  {
  // alert("oh " + idan);
         document.all[idan].style.visibility = "visible";
       }
   else if (document.getElementById)    {
        document.getElementById(idan).style.visibility = "visible";
        }
     }

function audio_an(idan) {
     // alert(idan);
   if (document.layers)  {
    document.layers["au1"].visibility = "hidden";
    document.layers["au2"].visibility = "hidden";
    document.layers["au3"].visibility = "hidden";
    document.layers["au4"].visibility = "hidden";

    if (audio_nav!=idan){
      document.layers[idan].visibility = "show";
      audio_nav = idan;
    }else {
     audio_nav="";
    }
    }
   else if (document.all)  {
  document.all["au1"].style.visibility = "hidden";
  document.all["au2"].style.visibility = "hidden";
  document.all["au3"].style.visibility = "hidden";
  document.all["au4"].style.visibility = "hidden";

  if (audio_nav!=idan){
       document.all[idan].style.visibility = "visible";
      audio_nav = idan;
    }else {
     audio_nav="";
    }
       }
   else if (document.getElementById)    {
    document.getElementById("au1").style.visibility = "hidden";
     document.getElementById("au2").style.visibility = "hidden";
     document.getElementById("au3").style.visibility = "hidden";
     document.getElementById("au4").style.visibility = "hidden";

      if (audio_nav!=idan){
            document.getElementById(idan).style.visibility = "visible";
      audio_nav = idan;
    }else {
     audio_nav="";
    }

     }
   }