RewriteEngine on
# Use PHP4 as default
AddHandler application/x-httpd-php4 .php
# RedirectMatch temp ^/modules.php$ http://www.immobilien-ag.ch
RewriteCond %{HTTP_HOST} ^.*$
RewriteRule ^/?$ "http\:\/\/www\.immobilien\-ag\.ch\/firmen\/index\.php" [R=301,L]