+RewriteRule ^facebook/$ index.php?action=facebookhome [L,QSA]
+RewriteRule ^facebook/index.php$ index.php?action=facebookhome [L,QSA]
+RewriteRule ^facebook/settings.php$ index.php?action=facebooksettings [L,QSA]
+RewriteRule ^facebook/invite.php$ index.php?action=facebookinvite [L,QSA]
+RewriteRule ^facebook/remove$ index.php?action=facebookremove [L,QSA]
+