version = false;
versionNS = false;
versionIE = false;
browsername=navigator.appName;
browserver=navigator.appVersion.substring(0,1);
function whichver(){
if (browsername == "Netscape"){
  if (browserver >= 3){
    version=true;
    versionNS=true;
	 }
}	 
if (browsername == "Microsoft Internet Explorer"){
  if (browserver >= 3){
    version=true;
	 versionIE=true;
	 }
}
return version;
}
if (true == whichver()){
}
function bTitel(num,status,bname){
  if (version == true){
	 document['btitel'+num].src="pic/"+bname+status+".gif";
	 }		
  }
function zoom(img, w, h) {
  if (version == true){
    window.open(img,'zoom'+w+h,'toolbar=no,location=no,directories=no,status=no,resizable=no,copyhistory=no,width='+w+',height='+h);
	 }
  }

function roverLiRe(nr,imgLi,imgRe){
	document["imgLi_"+1].src=imgLi;
	document["imgRe_"+nr].src=imgRe;
}