RewriteEngine on  
RewriteCond $1 !^(index\.php)  
RewriteRule ^(.*)$ ./index.php/$1 [L] # RewriteCond $1 !^(index\.php|images|robots\.txt)  
<IfModule mod_expires.c>
ExpiresActive On
ExpiresByType text/html "access plus 1 seconds"
ExpiresByType image/gif "access plus 1 weeks"
ExpiresByType image/jpeg "access plus 1 weeks"
ExpiresByType image/png "access plus 1 weeks"
ExpiresByType image/x-icon "access plus 1 years"
ExpiresByType text/css "access plus 1 weeks"
ExpiresByType text/javascript "access plus 1 weeks"
ExpiresByType application/x-javascript "access plus 1 weeks"
ExpiresByType application/x-shockwave-flash "access plus 1 weeks"
</IfModule>