Fix announcement iframe bug.

app/controllers/announcements_controller.rb

@@ -371,6 +371,7 @@ class AnnouncementsController < ApplicationController
     else
       @categories = params[:categories]
     end
+    OrbitHelper.set_site_locale(I18n.locale)
     OrbitHelper.set_current_widget_module("announcement")
     OrbitHelper.set_params(params,current_user)
     Bulletin.remove_expired_status

app/helpers/announcements_helper.rb

@@ -426,9 +426,13 @@ module AnnouncementsHelper
             dates = html.css("*[date-format]")
             if !dates.blank?
               dates.each do |d|
+                begin
                   format = d.attributes["date-format"].value
                   date = DateTime.parse(d.inner_text)
                   d.inner_html = d.inner_html.gsub(d.inner_text.strip, " " + date.strftime(format))
+                rescue
+                  next
+                end
               end
             end
             html.css("body").to_html.html_safe