[imp] Howto create new virtual folders?

[Matthias Krawen]

Hi there,

how do I create new virtual folders? I can create new "real" folders 
and subfolders, but the box in front of "vitual folders" is greyed 
out, so I can't define any new ones.

BTW: When I try to edit the "virtual inbox" on a new account I get 
the following errors. If I reset the configuration, set the values 
and save the configuration everything works fine. The search in Imp 
works fine overall, no problems like in a "fresh" "virtual inbox"

Notice: Undefined index: field_end in 
/srv/www/htdocs/confixx/html/horde/imp/templates/search/header.inc on line 44

Notice: Undefined index: match in 
/srv/www/htdocs/confixx/html/horde/imp/templates/search/header.inc on line 44
/> einem Kriterium
Notice: Undefined index: field_end in 
/srv/www/htdocs/confixx/html/horde/imp/templates/search/header.inc on line 48

Notice: Undefined index: match in 
/srv/www/htdocs/confixx/html/horde/imp/templates/search/header.inc on line 48
checked="checked" /> allen Kriterien

Notice: Undefined index: field_end in 
/srv/www/htdocs/confixx/html/horde/imp/search.php on line 315

Notice: Undefined index: field_end in 
/srv/www/htdocs/confixx/html/horde/imp/search.php on line 316

Notice: Undefined index: field_end in 
/srv/www/htdocs/confixx/html/horde/imp/search.php on line 315

Thanks
  Matthias