function MM_findObj(n, d) { //v3.0
  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); 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];}
}


// BrowserErkennung _____________________________________________________________________

var ie4u = (document.all)? true : false;
var ie4  = (document.all && !document.documentElement)? true : false;
var ie5  = (document.all &&  document.documentElement)? true : false;

var nn4 = (document.layers)? true : false;

//_________________________________________________________________________________________

function setContent(id,content)
{
  if(nn4)
  {
    document.layers[id].document.write(content);
    document.layers[id].document.close();
  }
  
  if(ie4u)
  {
    document.all[id].innerHTML = content;
  }
}

//_________________________________________________________________________________________

function changeVisibility(id,state)
{
   if(nn4)
   {
     document.layers[id].visibility = (state)? 'show' : 'hide';
   }
   
   if(ie4u)
   {
     document.all[id].style.visibility = (state)? 'visible' : 'hidden';
   }
}