//-------BROWSERTRIAGE-------------------------------------------

var netscape;
var explorer;

if (navigator.appName == 'Netscape') {
    netscape     = true;
    var dokument = 'document.layers.';
    var stil     = '';
    }

if (navigator.appName == 'Microsoft Internet Explorer') {
    explorer     = true;
    var dokument = 'document.all.';
    var stil     = '.style';
    }

//------------Mouseover-------------------------------
var bild = '';
var ort = '';
function imgchange(bild,ort) {
  document.images[ort].src = "img/" + bild + ".gif";
  }

//-----------Layersteuerung--------------------------

var ebeneAn   = '';
var ebeneWeg1 = '';
var ebeneWeg2 = '';
var ebeneWeg3 = '';
var ebeneWeg4 = '';
var ebeneWeg5 = '';
var ebeneWeg6 = '';

function ebeneSicht(ebeneAn, ebeneWeg1, ebeneWeg2, ebeneWeg3, ebeneWeg4, ebeneWeg5, ebeneWeg6) {
  vis              = eval(dokument + ebeneAn + stil);
  vis.visibility   = 'visible';

  hid1             = eval(dokument + ebeneWeg1 + stil);
  hid1.visibility  = 'hidden';

  hid2             = eval(dokument + ebeneWeg2 + stil);
  hid2.visibility  = 'hidden';

  hid3             = eval(dokument + ebeneWeg3 + stil);
  hid3.visibility  = 'hidden';

  hid4             = eval(dokument + ebeneWeg4 + stil);
  hid4.visibility  = 'hidden';

  hid5             = eval(dokument + ebeneWeg5 + stil);
  hid5.visibility  = 'hidden';

  hid6             = eval(dokument + ebeneWeg6 + stil);
  hid6.visibility  = 'hidden';
  }