.row
  .col-md-12
    = f.input :volunteer, label: "Click here if you want to become a volunteer at #{@conference.short_title}", input_html: {maxlength: 15, size: 40}
    = f.fields_for :user do |u|
      = render partial: 'devise/registrations/volunteeruser', locals: {u: u}
    %br
    - if @conference.vpositions.count > 0
      %h4
        %u Positions that require volunteers:
      - @conference.vpositions.each do |pos|
        %p{style: "font-weight:bold"} 
          = pos.title
          = "(#{pos.description})" if pos.description
        
        = f.input :vchoices, collection: pos.vchoices.map {|x| [x.vday.day, x.id]}, label: "Choose days to volunteer:"