browser_name = navigator.appName; 
browser_version = parseFloat(navigator.appVersion); 

if (browser_name == "Netscape" && browser_version >= 3.0) { roll = 'true'; } 
else if (browser_name == "Microsoft Internet Explorer" && browser_version >= 3.0) { roll = 'true'; } 
else { roll = 'false'; } 

function over(img,ref) { if (roll == 'true') { 
document.images[img].src = ref; 
var objS1=document.getElementById("a" + img).style;
objS1.color="#C93900";
} } 

function out(img,ref)  { if (roll == 'true') { 
document.images[img].src = ref; 
var objS1=document.getElementById("a" + img).style;
objS1.color="#0070CB";
} } 

if (roll == 'true') 
{ 
a1=new Image;a1.src="/images/kamph1.gif";
a2=new Image;a2.src="/images/kamph1.gif";
a3=new Image;a3.src="/images/kamph1.gif";
a4=new Image;a4.src="/images/kamph1.gif";
a5=new Image;a5.src="/images/kamph1.gif";
a6=new Image;a6.src="/images/kamph1.gif";
a8=new Image;a8.src="/images/kamph1.gif";
}