multiple rewrite rules

["Jeff Shearer" <jeff@xxxxxxxxxxxxxxxxxx>]

 I have been trying without success to rewrite multiple css files with on RewriteCond.  Here is my latest attempt to give y'all an idea of what I am trying to do.  

Please help.

Thanks.

RewriteEngine on
  RewriteLog /var/log/httpd-rewrite.log
  RewriteLogLevel 2
  RewriteCond %{HTTP_USER_AGENT}  .Windows.*Firefox\/3.*
  RewriteRule ^/styles/progclean.css     http://progressive.trustedtechpro.com/styles/winff3/progclean.css
  RewriteRule ^/styles/terms.css     http://progressive.trustedtechpro.com/styles/winff3/terms.css  [L]
  RewriteCond %{HTTP_USER_AGENT}  .MSIE\ 7.*
  RewriteRule ^/styles/progclean.css     http://progressive.trustedtechpro.com/styles/winie7/progclean.css
  RewriteRule ^/styles/terms.css     http://progressive.trustedtechpro.com/styles/winie7/terms.css  [L]
  RewriteRule ^/styles/progclean.css     http://progressive.trustedtechpro.com/styles/unsupported/progclean.css
  RewriteRule ^/styles/terms.css     http://progressive.trustedtechpro.com/styles/unsupported/terms.css  [L]

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