- if @conference.nil? || @conference.short_title.nil?
  = link_to "OSEM", root_path, :class => 'brand'
- else
  = link_to @conference.title, root_path, :class => 'brand'
%ul.nav
  - if !@conference.nil? && @conference.registration_open?
    - if current_page?(register_conference_path(@conference.short_title))
      %li.active
        = link_to "Registration", "#"
    - else
      %li
        = link_to "Registration", register_conference_path(@conference.short_title)
  - if !@conference.nil?
    - if current_page?(conference_proposal_index_path(@conference.short_title))
      %li.active
        = link_to "My Proposals", "#"
    - else
      %li
        = link_to "My Proposals", conference_proposal_index_path(@conference.short_title)
%ul.nav.pull-right
  - if user_signed_in?
    - if has_role?(current_user, "admin") || has_role?(current_user, "organizer")
      %li
        = link_to "Admin Area", admin_conference_index_path
    %li
      = link_to('Sign Out', destroy_user_session_path, :method=>'delete')
  - else
    %li
      = link_to('Sign In', new_user_session_path)
  - if user_signed_in?
    %li
      = link_to('Edit account', edit_user_registration_path)
  %li.dropdown
    - unless Conference.count == 1 && !has_role?(current_user, "admin")
      = link_to "#", :class => "dropdown-toggle"  do
        Conferences
        <b class="caret"></b>
      %ul.dropdown-menu
        - conferences = Conference.order("created_at DESC")
        - unless conferences.nil?
          - conferences.each do |c|
            - unless @conference == c
              %li= link_to c.short_title, admin_conference_path(c.short_title)
        - if has_role?(current_user, "admin")
          %li= link_to "New Conference", new_admin_conference_path