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 = eval(img+'.src'); } }
function out(img,ref)  { if (roll == 'true') { document.images[img].src = ref; } }

if (roll == 'true')
{
image_h=new Image;image_h.src="/i/i-home-on.gif";
image_s=new Image;image_s.src="/i/i-search-on.gif";

image_0=new Image;image_0.src="/data/about2.gif";
image_1=new Image;image_1.src="/data/news2.gif";
image_2=new Image;image_2.src="/data/catalog1.gif";
image_3=new Image;image_3.src="/data/contacts1.gif";
image_4=new Image;image_4.src="/data/questions1.gif";
imageen_0=new Image;imageen_0.src="/data/about4.gif";
imageen_1=new Image;imageen_1.src="/data/news4.gif";
imageen_2=new Image;imageen_2.src="/data/catalog3.gif";
imageen_3=new Image;imageen_3.src="/data/contacts3.gif";
imageen_4=new Image;imageen_4.src="/data/faq1.gif";
}