Fix bug.

app/controllers/announcements_controller.rb

@@ -167,7 +167,7 @@ class AnnouncementsController < ApplicationController
       else
         cats = ["all"] + cats
       end
-      anns = anns.sort_by { |a| tmp=a["postdate"].blank?;[tmp ? 0 : 1, tmp ? nil : a["postdate"].to_time] }.reverse
+      anns = anns.sort_by { |a| [ (a["is_top"] ? 1 : 0) , a["postdate"].blank? ? nil : a["postdate"].to_time] }.reverse
     end
     cats = cats.uniq
     tags = tags.uniq

app/helpers/announcements_helper.rb

@@ -45,6 +45,7 @@ module AnnouncementsHelper
     doc = Nokogiri::HTML(a.title)
     title = doc.text.empty? ? 'no content' : doc.text
     {
+      "is_top" => a.is_top,
       "bulletin_links" => links,
       "bulletin_files" => files,
       "title" => a.title,