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

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

function rol(ref) {
    if (browser_ok == 'true') {
        document.images["tv"].src = ref.src;
    }
}

if (browser_ok == 'true')
{
tv0=new Image; tv0.src="templates/arnest-it/images/tv.gif";
tv1=new Image; tv1.src="templates/arnest-it/images/tv1.jpg";
tv2=new Image; tv2.src="templates/arnest-it/images/tv2.jpg";
tv3=new Image; tv3.src="templates/arnest-it/images/tv3.jpg";
tv4=new Image; tv4.src="templates/arnest-it/images/tv4.jpg";
tv5=new Image; tv5.src="templates/arnest-it/images/tv5.jpg";
}