<!--//
browser_name = navigator.appName;
browser_version = parseFloat(navigator.appVersion); 
if (browser_name == "Netscape" && browser_version < 2.0)
{
roll = 'false';
}
else if (browser_name == "Netscape" && browser_version == 2.0)
{
roll = 'false';
}
else if (browser_name == "Netscape" && browser_version >= 3.0)
{
roll = 'true';
}
else if (browser_name == "Microsoft Internet Explorer" && browser_version <= 2.0)
{
roll = 'false';
}
else if (browser_name == "Microsoft Internet Explorer" && browser_version >= 3.0)
{
roll = 'true';
}
else
{
roll = 'false';
}
function msover(img,ref)
{
if (roll == 'true')
{
document.images[img].src = ref;
}
}
//-->