RewriteEngine on
RewriteRule ^photoalben/(.*) http://cwsvjudo\.bplaced\.net/photoalben/$1
RewriteRule ^ressourcen/(.*)$ http://cwsvjudo\.bplaced\.net/ressourcen/$1
RewriteRule ^/ressourcen/(.*)$ http://cwsvjudo\.bplaced\.net/ressourcen/$1

RewriteCond %{HTTP_HOST} cwsvjudo.bplaced.net
RewriteRule ^news$ news\.php [L]
RewriteCond %{HTTP_HOST} cwsvjudo.bplaced.net
RewriteRule ^news/([0-9]+)$ news\.php?newsId=$1

RewriteCond %{HTTP_HOST} amp.cwsvjudo.bplaced.net
RewriteRule ^news$ news\.php [L]
RewriteCond %{HTTP_HOST} amp.cwsvjudo.bplaced.net
RewriteRule ^news/([0-9]+)$ news\.php?newsId=$1 [L]