Something

RewriteCond %{REQUEST_URI} !index\.php
RewriteRule ^([a-z_]*)$ index.php?page=$1 [L]

RewriteCond %{REQUEST_URI} index\.php
RewriteCond %{QUERY_STRING} page=([a-z_]*)
RewriteRule ^index.php$ /eclipse/klamydia.se/%1? [R=301,L]