def filter_organization_dropdown(target_id)
    options = [[t('hours.filter_organization.all'),     0]]
    options += [['--------', 'divider']]
    options += current_user.organizations.sort_by(&:name).collect { |p| [p.name, p.id] }
    select(:hours_organization_filter, :assigned, options, :disabled => 'divider', :id => target_id)