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_0=new Image;image_0.src="i/m-about-on.gif";
image_1=new Image;image_1.src="i/m-services-on.gif";
image_2=new Image;image_2.src="i/m-article-on.gif";
image_3=new Image;image_3.src="i/m-vacansy-on.gif";
image_4=new Image;image_4.src="i/m-contact-on.gif";
image_5=new Image;image_5.src="i/i-home-on.gif";
image_6=new Image;image_6.src="i/i-map-on.gif";
image_7=new Image;image_7.src="i/i-mail-on.gif";
}