Browser sensitive page direction

this has probably been asked a 100 times on this forum, but does anyone have
a piece of javascript or other means of detecting the browser a user is
viewing my web site with.  I would like to send the viewer to a page
appropriate to their browser, be it IE or Netscape.  to date i have to get
the user to select their browser from 2 icons and then they are taken to 2
different pages
much appreciated
gary thorpe

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