htaccess url rewrite question

[Wolfy]

Say you need to rewrite this:

http://www.myoldsite.com/forums/showpage.php?id=1

to

http://forums.mynewsite.com/showpage.php?id=1


How does one do this?

[GrouchyAdmin]

<IfModule mod_rewrite.c>
  RewriteEngine On
  RewriteRule ^forums/(.*)  http://forums.newsite.com/$1 [R=301, L]
</IfModule>

[Juicy D. Links]

bump