_form.html.haml

.row
  .span-6
    = f.association :prizetype, :using => :name, :input_html  => {:class => 'chosen-select', :prompt => true, :required => true}
  .span-12.last
    = f.input :name, :as => :text, :input_html => { :size => '50x1' }, :wrapper_class => 'span-12 last'

#institution.span-6{'data-controller-name' => 'institutions'}
  = f.association :institution, :using => :name, :input_html  => {:class => 'chosen-select', :prompt => true, :required => true}
  = link_to_new_record 'Agregar institución', new_institution_path