Changes for dat and time format

Impression bug when some i18n missing in impressionable object
JS bug in ad_banner edit title

app/assets/javascripts/lib/contenteditable.js.erb

@@ -40,11 +40,11 @@ $(".nav-tabs").find(".icons-pencil").click(function(){
         data: { body: content_holder.html() },
         success: function(json) {
           $(selector).attr("contenteditable",false)
-          alert("<%= I18n.t("admin.contenteditable.update_done") %>");
+          alert("<%= I18n.t('admin.contenteditable.update_done') %>");
           //content_holder.effect('highlight', {'color': '#0f0'}, 3000);
         },
         error: function() {
-          alert("<%= I18n.t("admin.contenteditable.update_failed") %>");
+          alert("<%= I18n.t('admin.contenteditable.update_failed') %>");
           //content_holder.effect('highlight', {'color': '#f00'}, 3000);
           content_holder.html(content);
         }

app/helpers/application_helper.rb

@@ -204,4 +204,12 @@ module ApplicationHelper
     is_manager? || is_admin? 
   end
 
+  def display_date_time(object)
+    object.strftime("%Y-%m-%d %H:%M:%S")
+  end
+
+  def display_date(object)
+    object.strftime("%Y-%m-%d")
+  end
+
 end

app/models/asset.rb

@@ -34,10 +34,10 @@ class Asset
   protected
   
   def set_key
-    if title.new_record?
+    if title && title.new_record?
       title.key = 'title'
     end
-    if description.new_record?
+    if description && description.new_record?
       description.key = 'description'
     end
   end