The Ultimate JavaScript Client Sniffer, Version 3.02:
Determining Browser Vendor, Version, and Operating System With JavaScript
http://www.mozilla.org/docs/web-developer/sniffer/browser_type.html<SCRIPT>
<!--
if (is_gecko)
{
// document.write() statements to create markup for user agents using Gecko layout engine
}
else if (is_nav4)
{
// document.write() statements to create markup for Navigator 4
}
else if (is_ie5up)
{
// document.write() statements to create markup for IE 4 and later versions
}
else
{
// document.write() statements to create static HTML markup for earlier versions
}
// -->
</SCRIPT>