- simple_form_for @supplier do |f|
  - if @supplier.shared_supplier
    %p Lieferantin wird mit externer Datenbank verknüpft.
  = f.hidden_field :shared_supplier_id
  = f.input :name
  = f.input :address
  = f.input :phone
  = f.input :phone2
  = f.input :fax
  = f.input :email
  = f.input :url
  = f.input :contact_person
  = f.input :customer_number
  = f.input :delivery_days
  = f.input :order_howto
  = f.input :note
  = f.input :min_order_quantity
  = f.submit
  = link_to 'oder abbrechen', suppliers_path