Normal1 = new Image();
Normal1.src = "imgs/l_homozone_txt.gif";     /* erste Standard-Grafik */
Highlight1 = new Image();
Highlight1.src = "imgs/a_homozone_txt.gif"; /* erste Highlight-Grafik */

Normal2 = new Image();
Normal2.src = "imgs/l_heterozone_txt.gif";     /* zweite Standard-Grafik */
Highlight2 = new Image();
Highlight2.src = "imgs/a_heterozone_txt.gif"; /* zweite Highlight-Grafik */

Normal3 = new Image();
Normal3.src = "imgs/l_dasprojekt_txt.gif";     /* dritte Standard-Grafik */
Highlight3 = new Image();
Highlight3.src = "imgs/a_dasprojekt_txt.gif"; /* dritte Highlight-Grafik */

Normal4 = new Image();
Normal4.src = "imgs/l_interaktiv_txt.gif";     /* dritte Standard-Grafik */
Highlight4 = new Image();
Highlight4.src = "imgs/a_interaktiv_txt.gif"; /* dritte Highlight-Grafik */

function Bildwechsel(Bildnr,Bildobjekt) {
 window.document.images[Bildnr].src = Bildobjekt.src;
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);


function MM_findObj(n, d) { //v4.0
  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);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}

function MM_checkPlugin(plgIn, theURL, altURL, autoGo) { //v4.0
  var ok=false; document.MM_returnValue = false;
  with (navigator) if (appName.indexOf('Microsoft')==-1 || (plugins && plugins.length)) {
    ok=(plugins && plugins[plgIn]);
  } else if (appVersion.indexOf('3.1')==-1) { //not Netscape or Win3.1
    if (plgIn.indexOf("Flash")!=-1 && window.MM_flash!=null) ok=window.MM_flash;
    else if (plgIn.indexOf("Director")!=-1 && window.MM_dir!=null) ok=window.MM_dir;
    else ok=autoGo; }
  if (!ok) theURL=altURL; if (theURL) window.location=theURL;
}