style="display: none">
<%= text_field_tag "search", params[:search],
placeholder: t("shared.advanced_search.general_placeholder") %>
<%= select_tag('advanced_search[official_level]', official_level_search_options,
include_blank: t("shared.advanced_search.author_type_blank")) %>
<%= select_tag('advanced_search[date_min]', date_range_options,
include_blank: t("shared.advanced_search.date_range_blank"),
id: 'js-advanced-search-date-min') %>
<%= text_field_tag 'advanced_search[date_min]',
params[:advanced_search].try(:[], :date_min),
class: 'js-calendar' %>
<%= text_field_tag 'advanced_search[date_max]',
params[:advanced_search].try(:[], :date_max),
class: 'js-calendar' %>
<%= submit_tag t("shared.advanced_search.search"), class: 'button expanded' %>