<%= select_category(f, @module_app) %>
<%= f.datetime_picker :act_start_date, :no_label => true, :new_record => @act.new_record? %>
<%= f.datetime_picker :act_end_date, :no_label => true, :new_record => @act.new_record? %>
<%= f.datetime_picker :sign_start_date, :no_label => true, :new_record => @act.new_record? %>
<%= f.datetime_picker :sign_end_date, :no_label => true, :new_record => @act.new_record? %>