# Turn on Expires and set default to 0
    ExpiresActive On
    ExpiresDefault A0
     
    # Set up caching on media files for 1 year (forever?)
    <FilesMatch ".(flv|ico|pdf|avi|mov|ppt|doc|mp3|wmv|wav)$">
    ExpiresDefault A29030400
    </FilesMatch>
     
    # Set up caching on media files for 1 week
    <FilesMatch ".(gif|jpg|jpeg|png|swf)$">
    ExpiresDefault A604800
    </FilesMatch>
     
    # Set up 1 week caching on commonly updated files
    <FilesMatch ".(xml|txt|html|js|css)$">
    ExpiresDefault A604800
    </FilesMatch>
     
    # Force no caching for dynamic files
    <FilesMatch ".(php|cgi|pl|htm)$">
    ExpiresActive Off
    </FilesMatch>