need to rewrite for a mobile controller in Kohana

mobile.domain.com/mobile/function into mobile.domain.com/function

# Turn on URL rewriting
RewriteEngine On
# Installation directory
RewriteBase /
# Protect hidden files from being viewed
<Files .*>
 Order Deny,Allow
 Deny From All
</Files>

# Protect application and system files from being viewed
RewriteRule ^(?:application|modules|system)\b.* index.php/$0 [L]
# Allow any files or directories that exist to be displayed directly
RewriteCond %{REQUEST_FILENAME} !-fRewriteCond %{REQUEST_FILENAME} !-d
# Rewrite all other URLs to index.php/URL
RewriteRule .* index.php/$0 [PT]
# Rewrite for Mobile
RewriteCond     %{HTTP_HOST}    ^mobile\.domain\.com$ [NC]
RewriteCond     %{REQUEST_URI}  !mobile [NC]
RewriteCond     %{REQUEST_FILENAME} !-fRewriteRule     ^(\w+)$          /mobile/$1

# Allow any files or directories that exist to be displayed directly
RewriteCond %{REQUEST_FILENAME} !-fRewriteCond %{REQUEST_FILENAME} !-d
# Rewrite all other URLs to index.php/URL
RewriteRule .* index.php/$0 [PT]

http://stackoverflow.com/questions/3670905/need-to-rewrite-for-a-mobile-controller-in-kohana

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