// Bilder vorausladen
imglof1 = new Image();
imglof1.src ="nav/logo.png";
imglof2 = new Image();
imglof2.src ="nav/logo_f2.png";
imgbuf1 = new Image();
imgbuf1.src ="nav/buero.png";
imgbuf2 = new Image();
imgbuf2.src ="nav/buero_f2.png";

// entferntes Bild austauschen
function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
 var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
   var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
   if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

// Element einblenden
function ein (show) {
var show = document.getElementById(show);
// show.style.visibility = "visible";
show.style.display = "block";
}

// Element ausblenden
function aus (hide) {
var hide = document.getElementById(hide);
// hide.style.visibility = "hidden";
hide.style.display = "none";
}


// Fenster šffnen: Musikbeispiel
function openMusic (Adresse) {
  Fenster1 = window.open(Adresse, "Zweitfenster", "width=300,height=200,left=100,top=100");
  Fenster1.focus();
}

// Fenster šffnen: Bestellung
function openOrder (Adresse) {
  Fenster1 = window.open(Adresse, "Zweitfenster", "width=400,height=400,left=100,top=100");
  Fenster1.focus();
}