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

if (browser_name == "Netscape" && browser_version >= 3.0) { roll = 'true'; }
else if (browser_name == "Microsoft Internet Explorer" && browser_version >= 4.0) { roll = 'true'; }
else { roll = 'false'; }

function msover2(img1,ref1) { if (roll == 'true') { document.images[img1].src = ref1.src;} }
function msout2(img1,ref1) { if (roll == 'true') { document.images[img1].src = ref1.src;} }

//if (roll == 'true')

//{
traditionon = new Image(171,22); traditionon.src="media/tradition-on.jpg";
traditionoff = new Image(171,22); traditionoff.src="media/tradition-off.jpg";

productson = new Image(77,22); productson.src="media/products-on.jpg";
productsoff = new Image(77,22); productsoff.src="media/products-off.jpg";

contactson = new Image(86,22); contactson.src="media/contacts-on.jpg";
contactsoff = new Image(86,22); contactsoff.src="media/contacts-off.jpg";

newson = new Image(51,22); newson.src="media/news-on.jpg";
newsoff = new Image(51,22); newsoff.src="media/news-off.jpg";

qnaon = new Image(71,22); qnaon.src="media/qna-on.jpg";
qnaoff = new Image(71,22); qnaoff.src="media/qna-off.jpg";
//}