browser_name = navigator.appName;
browser_version = parseFloat(navigator.appVersion);
if (browser_name == "Netscape" && browser_version >= 3.0) 
{ rollover = 'true'; }
else if (browser_name == "Microsoft Internet Explorer" && browser_version >= 4.0)
{ rollover = 'true'; }
else { rollover = 'false'; }
if (rollover == 'true') {
such1=new Image();such1.src= urlpfad + "img/such.gif";
such2=new Image();such2.src= urlpfad + "img/such_o.gif";
clear1=new Image();clear1.src= urlpfad + "img/clear.gif";
clear2=new Image();clear2.src= urlpfad + "img/clear_o.gif";
anz1=new Image();anz1.src= urlpfad + "img/anze.gif";
anz2=new Image();anz2.src= urlpfad + "img/anze_o.gif";
send1=new Image();send1.src= urlpfad + "img/abse.gif";
send2=new Image();send2.src= urlpfad + "img/abse_o.gif";
open1=new Image();open1.src= urlpfad + "img/arrow_open.gif";
open2=new Image();open2.src= urlpfad + "img/arrow_open_o.gif";
close1=new Image();close1.src= urlpfad + "img/arrow_close.gif";
close2=new Image();close2.src= urlpfad + "img/arrow_close_o.gif";
weit1=new Image();weit1.src= urlpfad + "img/weit.gif";
weit2=new Image();weit2.src= urlpfad + "img/weit_o.gif";
best1=new Image();best1.src= urlpfad + "img/best.gif";
best2=new Image();best2.src= urlpfad + "img/best_o.gif";
}
function rein1(img,ref) { if (rollover == 'true') { document.images[img].src = ref; } } 
function raus1(img,ref) { if (rollover == 'true') { document.images[img].src = ref; } }