AddDefaultCharset utf-8

RewriteBase /
Options -Indexes +FollowSymLinks +MultiViews

RewriteEngine on
RewriteBase /admin/
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_URI} !=/favicon.ico
RewriteRule ^admin /admin/index.php [L]

RewriteBase /
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_URI} !=/favicon.ico
RewriteRule ^(?!admin).* index.php [L]

ErrorDocument 403 /403.html
ErrorDocument 404 /404.html