function LoadPicture()
{
    document.preload = new Array();
    if(document.images)
    {
        for(var i = 0; i < LoadPicture.arguments.length; i++)
        {
            document.preload[i] = new Image();
            document.preload[i].src = LoadPicture.arguments[i];
        }
    }
}

function Oeffne (Adresse)
{
  Fenster1 = window.open(Adresse);
  Fenster1.focus();
}

function show (id) {
  if (document.getElementById(id))
    document.getElementById("umenue1").style.display = "block";
}

function switchlayer(Layer_Name)
{
  var GECKO = document.getElementById? 1:0 ;
  var NS = document.layers? 1:0 ;
  var IE = document.all? 1:0 ;

  if (GECKO)
       {document.getElementById(Layer_Name).style.display=
	   (document.getElementById(Layer_Name).style.display=='block') ? 'none' : 'block';}
  else if (NS)
       {document.layers[Layer_Name].display=(document.layers[Layer_Name].display==
	   'block') ? 'none' : 'block';}
  else if (IE)
       {document.all[Layer_Name].style.display=(document.all[Layer_Name].style.display==
	   'block') ? 'none' : 'block';}
}