Hey BoCo,
Couple suggestions:
1) Try using .htaccess file to do the redirection. This is a pretty slick cause your end user won't notice the redirection, it's all done server side. Do something like RewriteCond %{HTTP_USER_AGENT} ... You may or may not be able to configure this depending on your provider.
2) Try using php. I know that might not sound like overkill, but php is really super useful and tons of fun once you learn it. There's probably more efficient ways of doing this, but on my website I do this:
PHP Code:
if (stristr($HTTP_USER_AGENT,"NETSCAPE")){
echo "<META HTTP-EQUIV='refresh' content='0; url=netscape.php'>";
}
else {
} /* rest of website */
Anyway, that's just me... I try to stay away from javascript as much as possible. Good luck.