function closeall() {

hide('navigation1');
hide('navigation2');
hide('navigation3');
hide('navigation4');
hide('navigation5');
hide('navigation6');
hide('navigation7');
hide('navigation8');
hide('navigation9');
hide('navigation10');
hide('navigation11');
hide('navigation12');
hide('navigation15');
hide('navigation16');
hide('navigation17');
hide('navigation18');
MM_swapImgRestore();

}

var nav = (document.layers) ? true : false;
var iex = (document.all) ? true : false;

var geladen = 0;


function show(name) {
  if(iex) { 
    document.all['' + name].style.visibility = "visible";
  } else if (nav) { 
    document.layers['' + name].visibility = "visible";
  } else {
    document.getElementById('' + name).style.visibility = "visible";
  }
}


function hide(name) {
  if(iex) { 
    document.all['' + name].style.visibility = "hidden";
  } else if (nav) { 
    document.layers['' + name].visibility = "hide";
  } else {
    document.getElementById('' + name).style.visibility = "hidden";
  }
}

function aufloesung()
{
var seite800 = "8x6_default.asp";
if ((screen.width == 800) && (screen.height == 600))
window.location.href = seite800;
}
 
 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];}}
}

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_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 imageChange(imageID,imageName) {
  if (geladen==1) {
    document.images[imageID].src = eval(imageName + ".src");
  }
}