[IMP]resolve error

bzr revid: sgo@tinyerp.com-20120907114216-5qbzq1y80ut9d6mx

addons/mail/mail_message_subtype.xml

@@ -47,6 +47,15 @@
             <field name="res_model">mail.message.subtype</field>
             <field name="view_type">form</field>
             <field name="view_mode">tree,form</field>
+            <field name="help" type="html">
+              <p class="oe_view_nocontent_create">
+                Click to create a message subtype.
+              </p><p>
+                OpenERP's message subtype allows to ease and fasten the
+                subtype which helps to decrease over crowdy wall comments which displays 
+                only those.
+              </p>
+            </field>
         </record>
         
         <menuitem name="Subtypes" id="menu_message_subtype" parent="base.menu_email"

addons/mail/static/src/js/mail_followers.js

@@ -117,7 +117,8 @@ openerp_mail_followers = function(session, mail) {
                 follower_read.then(function (follower_record){
                     if(follower_record.length != 0){
                         _(follower_record[0].subtype_ids).each(function (subtype_id){
-                            self.$el.find('.oe_msg_subtype_check[id=' + subtype_id + ']')[0].checked=true
+                            if(self.$el.find('.oe_msg_subtype_check[id=' + subtype_id + ']')[0]){
+                                self.$el.find('.oe_msg_subtype_check[id=' + subtype_id + ']')[0].checked=true}
                         });
                     }
                 })