diff --git a/app/models/course.rb b/app/models/course.rb
index 46599dbfc..7288c3b3b 100644
--- a/app/models/course.rb
+++ b/app/models/course.rb
@@ -50,6 +50,8 @@ class Course < ActiveRecord::Base
   validates_format_of  :name,:with =>/^[^ ]+[a-zA-Z0-9_\u4e00-\u9fa5\s\S]+$/
   validates_length_of :description, :maximum => 10000
   before_save :self_validate
+  # 公开课程变成私有课程，所有资源都变成私有
+  after_update :update_files_public
   after_create :create_board_sync, :act_as_course_activity, :act_as_course_message
   before_destroy :delete_all_members
 
@@ -212,6 +214,14 @@ class Course < ActiveRecord::Base
   def self_validate
 
   end
+  
+  def update_files_public
+    unless self.is_public?
+      self.attachments.each do |a|
+        a.update_attributes(:is_public => false)
+      end
+    end
+  end
 
   # 创建课程讨论区
   def create_board_sync
diff --git a/app/views/files/_attachement_list.html.erb b/app/views/files/_attachement_list.html.erb
index c2c8d2d10..4c631d22f 100644
--- a/app/views/files/_attachement_list.html.erb
+++ b/app/views/files/_attachement_list.html.erb
@@ -23,23 +23,44 @@
 </div>
 <% checkBox = (@course.present? && @course.is_public?) ? 'public' : 'private'%>
 <button name="button" class="sub_btn" onclick="_file.click()" onmouseover="this.focus()" style="<%= ie8? ? 'display:none' : ''%>" type="button" ><%= l(:label_browse) %></button>
-<%= file_field_tag 'attachments[dummy][file]',
-                   :id => '_file',
-                   :class => ie8? ? '':'file_selector',
-                   :multiple => true,
-                   :onchange => 'addInputFiles(this,"'+ checkBox.to_s+'");',
-                   :style => ie8? ? '': 'display:none',
-                   :data => {
-                           :max_file_size => Setting.attachment_max_size.to_i.kilobytes,
-                           :max_file_size_message => l(:error_attachment_too_big, :max_size => number_to_human_size(Setting.attachment_max_size.to_i.kilobytes)),
-                           :max_concurrent_uploads => Redmine::Configuration['max_concurrent_ajax_uploads'].to_i,
-                           :upload_path => uploads_path(:format => 'js'),
-                           :description_placeholder => l(:label_optional_description),
-                           :field_is_public => l(:field_is_public),
-                           :are_you_sure => l(:text_are_you_sure),
-                           :file_count => l(:label_file_count),
-                           :delete_all_files => l(:text_are_you_sure_all)
-                   } %>
+<% if @course %>
+    <%= file_field_tag 'attachments[dummy][file]',
+                       :id => '_file',
+                       :class => ie8? ? '':'file_selector',
+                       :multiple => true,
+                       :onchange => 'addInputFilesCourseSource(this,"'+ checkBox.to_s+'");',
+                       :style => ie8? ? '': 'display:none',
+                       :data => {
+                               :max_file_size => Setting.attachment_max_size.to_i.kilobytes,
+                               :max_file_size_message => l(:error_attachment_too_big, :max_size => number_to_human_size(Setting.attachment_max_size.to_i.kilobytes)),
+                               :max_concurrent_uploads => Redmine::Configuration['max_concurrent_ajax_uploads'].to_i,
+                               :upload_path => uploads_path(:format => 'js'),
+                               :description_placeholder => l(:label_optional_description),
+                               :field_is_public => l(:field_is_public),
+                               :are_you_sure => l(:text_are_you_sure),
+                               :file_count => l(:label_file_count),
+                               :delete_all_files => l(:text_are_you_sure_all)
+                       } %>
+<% else %>
+    <%= file_field_tag 'attachments[dummy][file]',
+                       :id => '_file',
+                       :class => ie8? ? '':'file_selector',
+                       :multiple => true,
+                       :onchange => 'addInputFiles(this);',
+                       :style => ie8? ? '': 'display:none',
+                       :data => {
+                               :max_file_size => Setting.attachment_max_size.to_i.kilobytes,
+                               :max_file_size_message => l(:error_attachment_too_big, :max_size => number_to_human_size(Setting.attachment_max_size.to_i.kilobytes)),
+                               :max_concurrent_uploads => Redmine::Configuration['max_concurrent_ajax_uploads'].to_i,
+                               :upload_path => uploads_path(:format => 'js'),
+                               :description_placeholder => l(:label_optional_description),
+                               :field_is_public => l(:field_is_public),
+                               :are_you_sure => l(:text_are_you_sure),
+                               :file_count => l(:label_file_count),
+                               :delete_all_files => l(:text_are_you_sure_all)
+                       } %>
+<% end %>
+
 <!--<input type="submit" name="" value="上传文件" class="f_l ml10" style="width:80px; height:26px;">-->
 
   <span id="upload_file_count">
diff --git a/app/views/users/_user_message_course.html.erb b/app/views/users/_user_message_course.html.erb
index 7f535f2ec..6c22976fd 100644
--- a/app/views/users/_user_message_course.html.erb
+++ b/app/views/users/_user_message_course.html.erb
@@ -44,10 +44,18 @@
             <span class="<%= ma.viewed == 0 ? "homepageNewsTypeNotRead fl":"homepageNewsType fl" %>">发布了课程作业：</span>
           </li>
           <li class="homepageNewsContent fl"><a href="javascript:void(0);" class="newsGrey">
-            <%= link_to ma.course_message.name, student_work_index_path(:homework => ma.course_message.id),
-                        :class =>"#{ma.viewed == 0 ? "newsBlack" : "newsGrey"}",
-                        :onmouseover =>"message_titile_show($(this),event)",
-                        :onmouseout => "message_titile_hide($(this))" %></a></li>
+            <% if !User.current.allowed_to?(:as_teacher, ma.course_message.course) && cur_user_works_for_homework(ma.course_message).nil? %>
+                <%= link_to ma.course_message.name, new_student_work_path(:homework => ma.course_message.id),
+                            :class =>"#{ma.viewed == 0 ? "newsBlack" : "newsGrey"}",
+                            :onmouseover =>"message_titile_show($(this),event)",
+                            :onmouseout => "message_titile_hide($(this))" %>
+            <% else %>
+                <%= link_to ma.course_message.name, student_work_index_path(:homework => ma.course_message.id),
+                            :class => "#{ma.viewed == 0 ? "newsBlack" : "newsGrey"}",
+                            :onmouseover => "message_titile_show($(this),event)",
+                            :onmouseout => "message_titile_hide($(this))" %>
+            <% end %>
+          </a></li>
           <div  style="display: none" class="message_title_red system_message_style">
             <% if User.current.allowed_to?(:as_teacher,ma.course_message.course) %>
                 <p>
@@ -55,7 +63,7 @@
                   <%= User.current.eql?(ma.course_message.user)?"您":(ma.course_message.user.show_name + "老师")%>刚刚发布了一个作业：
                 </p>
                 <p>课程名称：<%= ma.course_message.course.name %>
-                  (<%= ma.course_message.course.term %>)</p>
+                  (<%= ma.course_message.course.time.to_s + '年'+ ma.course_message.course.term %>)</p>
                 <p>作业标题：<span style="color:Red"><%= ma.course_message.name %></span></p>
                 <p>提交截止：<span style="color:Red;"><%= ma.course_message.end_time %>&nbsp;&nbsp;24点</span></p>
                 <p>匿评开始：<span style="color:Red;"><%= ma.course_message.homework_detail_manual.evaluation_start %>&nbsp;&nbsp;24点</span></p>
@@ -68,7 +76,7 @@
             <% else %>
                 <p><%= User.current.lastname + User.current.firstname %>同学您好！<%= ma.course_message.user.lastname + ma.course_message.user.firstname %>老师刚刚发布了一个作业：</p>
                 <p>课程名称：<%= ma.course_message.course.name %>
-                  (<%= ma.course_message.course.term %>)</p>
+                  (<%= ma.course_message.course.time.to_s + '年'+ ma.course_message.course.term %>)</p>
                 <p>作业标题：<span style="color:Red;"><%= ma.course_message.name %></span></p>
                 <p>提交截止：<span style="color:Red;"><%= ma.course_message.end_time %>&nbsp;&nbsp;24点</span></p>
                 <p>匿评关闭：<span style="color:Red;"><%= ma.course_message.homework_detail_manual.evaluation_end %>&nbsp;&nbsp;24点</span></p>
@@ -99,7 +107,7 @@
                   <%= User.current.lastname + User.current.firstname %>同学您好！
                   <%= ma.course_message.user.lastname + ma.course_message.user.firstname %>老师发布的作业截止日期快到了：
                 </p>
-                <p>课程名称：<%= ma.course_message.course.name %>(<%= ma.course_message.course.term %>)</p>
+                <p>课程名称：<%= ma.course_message.course.name %>(<%= ma.course_message.course.time.to_s + '年'+ ma.course_message.course.term %>)</p>
                 <p>作业标题：<span style="color:Red;"><%= ma.course_message.name %></span></p>
                 <p>提交截止：<span style="color:Red;"><%= ma.course_message.end_time %>&nbsp;&nbsp;24点</span></p>
                 <p>匿评关闭：<span style="color:Red;"><%= ma.course_message.homework_detail_manual.evaluation_end %>&nbsp;&nbsp;24点</span></p>
@@ -107,7 +115,7 @@
                 <p>请同学们抓紧时间提交自己的作品，谢谢！</p>
             <% else %>
                 <p><%= User.current.lastname + User.current.firstname %>老师您好！<%= ma.course_message.user.lastname + ma.course_message.user.firstname %>老师发布的作业截止日期快到了：</p>
-                <p>课程名称：<%= ma.course_message.course.name %>(<%= ma.course_message.course.term %>)</p>
+                <p>课程名称：<%= ma.course_message.course.name %>(<%= ma.course_message.course.time.to_s + '年'+ ma.course_message.course.term %>)</p>
                 <p>作业标题：<span style="color:Red;"><%= ma.course_message.name %></span></p>
                 <p>提交截止：<span style="color:Red;"><%= ma.course_message.end_time %>&nbsp;&nbsp;24点</span></p>
                 <p>匿评开始：<span style="color:Red;"><%= ma.course_message.homework_detail_manual.evaluation_start %>&nbsp;&nbsp;24点</span></p>
@@ -142,7 +150,7 @@
               <%= User.current.lastname + User.current.firstname %><%= User.current.allowed_to?(:as_teacher,ma.course_message.course) ? '老师' : '同学' %>您好！
               <%= User.current.eql?(ma.course_message.user)?"您":(ma.course_message.user.lastname + ma.course_message.user.firstname+"老师") %>开启了匿评，作业详情如下：
             </p>
-            <p>课程名称：<%= ma.course_message.course.name %>(<%= ma.course_message.course.term %>)</p>
+            <p>课程名称：<%= ma.course_message.course.name %>(<%= ma.course_message.course.time.to_s + '年'+ ma.course_message.course.term %>)</p>
             <p>作业标题：<span style="color:Red;"><%= ma.course_message.name %></span></p>
             <p>缺评扣分：<span style="color:Red;"><%= ma.course_message.homework_detail_manual.absence_penalty %>分</span></p>
             <p>
@@ -172,7 +180,7 @@
               <%= User.current.lastname + User.current.firstname %><%= User.current.allowed_to?(:as_teacher,ma.course_message.course) ? '老师':'同学'%>您好！
               <%= User.current.eql?(ma.course_message.user)?"您":(ma.course_message.user.lastname + ma.course_message.user.firstname+"老师") %>关闭了匿评，作业详情如下：
             </p>
-            <p>课程名称：<%= ma.course_message.course.name %>(<%= ma.course_message.course.term %>)</p>
+            <p>课程名称：<%= ma.course_message.course.name %>(<%= ma.course_message.course.time.to_s + '年'+ ma.course_message.course.term %>)</p>
             <p>作业标题：<span style="color:Red;"><%= ma.course_message.name %></span></p>
           </div>
           <li class="homepageNewsTime fl"><%= time_tag(ma.created_at).html_safe %> </li>
@@ -201,7 +209,7 @@
               <p> 失败原因：提交作品的人数低于2人</p>
             </p>
             <p>作业详情如下：</p>
-            <p>课程名称：<%= ma.course_message.course.name %>(<%= ma.course_message.course.term %>)</p>
+            <p>课程名称：<%= ma.course_message.course.name %>(<%= ma.course_message.course.time.to_s + '年' + ma.course_message.course.term %>)</p>
             <p>作业标题：<span style="color:Red;"><%= ma.course_message.name %></span></p>
             <p>
               提交截止：<span style="color:Red;"><%= ma.course_message.end_time%>&nbsp;&nbsp;24点</span>
@@ -288,7 +296,11 @@
                             :onmouseover =>"message_titile_show($(this),event)",
                             :onmouseout => "message_titile_hide($(this))" %></a></li>
                 <div  style="display: none" class="message_title_red system_message_style" >
-                  <p>课程名称：<%= ma.course.name %>(<%= ma.course.term %>)</p>
+                  <p>
+                    <%= User.current.show_name %>同学您好！
+                    <%= ma.course_message.reviewer_role == 3? "匿名用户" : (ma.course_message.user.show_name + "老师")%><%= ma.status == 0? "评阅了您的作品":"重新评阅了您的作品"%>。详情如下：
+                  </p>
+                  <p>课程名称：<%= ma.course.name %>(<%= ma.course.time.to_s + '年'+ ma.course.term %>)</p>
                   <p>作业标题：<span style="color:Red;"><%=ma.course_message.student_work.homework_common.name %></span></p>
                   <% content = ma.content.gsub("作业评分：","").split("&nbsp;&nbsp;&nbsp; 评语：")%>
                   <p>
@@ -348,13 +360,15 @@
                             :onmouseout => "message_titile_hide($(this))" %></a>
               </li>
               <div style="display: none" class="message_title_red system_message_style">
-                <div class="fl">回复人：</div>
-                <div class="ml36"><%= ma.course_message.user.show_name  %></div>
+                <p>
+                  <%= User.current.show_name %>老师您好！
+                  <%= ma.course_message.user.show_name%><%= ma.course_message.user.allowed_to?(:as_teacher, ma.course)?"老师":"学生"%>回复了您的作品评论。详情如下：
+                </p>
                 <div class="fl">回复内容：</div>
                 <div class="ml60"><%= ma.course_message.notes  %></div>
                 <div class="fl">您的评论：</div>
                 <div class="ml60"><%= ma.course_message.jour.comment  %></div>
-                <p>课程名称：<%= ma.course.name %>(<%= ma.course.term %>)</p>
+                <p>课程名称：<%= ma.course.name %>(<%= ma.course.time.to_s + '年'+ ma.course.term %>)</p>
                 <p>作业标题：<span style="color:Red;"><%=ma.course_message.jour.student_work.homework_common.name %></span></p>
               </div>
               <li class="homepageNewsTime fl"><%= time_tag(ma.created_at).html_safe %> </li>
diff --git a/db/migrate/20151020021234_update_course_activity.rb b/db/migrate/20151020021234_update_course_activity.rb
new file mode 100644
index 000000000..595b0d333
--- /dev/null
+++ b/db/migrate/20151020021234_update_course_activity.rb
@@ -0,0 +1,23 @@
+class UpdateCourseActivity < ActiveRecord::Migration
+  def up
+    count = CourseActivity.all.count / 30 + 2
+    transaction do
+      for i in 1 ... count do i
+      CourseActivity.page(i).per(30).each do |activity|
+        if activity.course_act
+          if activity.course_act_type == 'Poll'
+            if activity.course_act.polls_status == 1
+              activity.destroy
+            end
+          end
+        else
+          activity.destroy
+        end
+      end
+      end
+    end
+  end
+
+  def down
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 41efc5698..4aa12f627 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20151020014759) do
+ActiveRecord::Schema.define(:version => 20151020021234) do
 
   create_table "activities", :force => true do |t|
     t.integer  "act_id",                                  :null => false
diff --git a/public/javascripts/attachments.js b/public/javascripts/attachments.js
index 12384f451..329d0db5a 100644
--- a/public/javascripts/attachments.js
+++ b/public/javascripts/attachments.js
@@ -88,7 +88,7 @@ function addFile_board(inputEl, file, eagerUpload, id) {
     return null;
 }
 
-function addFile(inputEl, file, eagerUpload,checkBox) {
+function addFile(inputEl, file, eagerUpload) {
 
     var attachments_frame = '#attachments_fields';
     if ($(attachments_frame).children().length < 30) {
@@ -99,72 +99,50 @@ function addFile(inputEl, file, eagerUpload,checkBox) {
             'id': 'attachments_' + attachmentId,
             'class': 'attachment'
         });
-        //alert(checkBox);
-        if(checkBox){
-            fileSpan.append(
-                $('<input>', {
-                    'type': 'text',
-                    'class': 'filename readonly',
-                    'name': 'attachments[' + attachmentId + '][filename]',
-                    'readonly': 'readonly'
-                }).val(file.name),
-                $('<input>', {
-                    'type': 'text',
-                    'class': 'description',
-                    'name': 'attachments[' + attachmentId + '][description]',
-                    'maxlength': 254,
-                    'placeholder': $(inputEl).data('descriptionPlaceholder')
-                }).toggle(!eagerUpload),
-                $('<div>', {
-                    'class': 'div_attachments',
-                    'name': 'div_' + 'attachments_' + attachmentId
-                })
-            ).appendTo('#attachments_fields');
-        }else {
-            fileSpan.append(
-                $('<input>', {
-                    'type': 'text',
-                    'class': 'filename readonly',
-                    'name': 'attachments[' + attachmentId + '][filename]',
-                    'readonly': 'readonly'
-                }).val(file.name),
-                $('<input>', {
-                    'type': 'text',
-                    'class': 'description',
-                    'name': 'attachments[' + attachmentId + '][description]',
-                    'maxlength': 254,
-                    'placeholder': $(inputEl).data('descriptionPlaceholder')
-                }).toggle(!eagerUpload),
-                $('<span >' + $(inputEl).data('fieldIsPublic') + ':</span>').attr({
-                    'class': 'ispublic-label'
-                }),
-                $('<input>', {
-                    'type': 'checkbox',
-                    'class': 'is_public_checkbox',
-                    'value': 1,
-                    'name': 'attachments[' + attachmentId + '][is_public_checkbox]',
-                    checked: 'checked'
-                }).toggle(!eagerUpload),
-                $('<a>&nbsp</a>').attr({
-                    'href': "#",
-                    'class': 'remove-upload'
-                }).click(function () {
-                    if (confirm($(inputEl).data('areYouSure'))) {
-                        removeFile();
-                        if (!eagerUpload) {
-                            (function (e) {
-                                reload(e);
-                            })(fileSpan);
-                        }
+
+        fileSpan.append(
+            $('<input>', {
+                'type': 'text',
+                'class': 'filename readonly',
+                'name': 'attachments[' + attachmentId + '][filename]',
+                'readonly': 'readonly'
+            }).val(file.name),
+            $('<input>', {
+                'type': 'text',
+                'class': 'description',
+                'name': 'attachments[' + attachmentId + '][description]',
+                'maxlength': 254,
+                'placeholder': $(inputEl).data('descriptionPlaceholder')
+            }).toggle(!eagerUpload),
+            $('<span >' + $(inputEl).data('fieldIsPublic') + ':</span>').attr({
+                'class': 'ispublic-label'
+            }),
+            $('<input>', {
+                'type': 'checkbox',
+                'class': 'is_public_checkbox',
+                'value': 1,
+                'name': 'attachments[' + attachmentId + '][is_public_checkbox]',
+                checked: 'checked'
+            }).toggle(!eagerUpload),
+            $('<a>&nbsp</a>').attr({
+                'href': "#",
+                'class': 'remove-upload'
+            }).click(function() {
+                if (confirm($(inputEl).data('areYouSure'))) {
+                    removeFile();
+                    if (!eagerUpload) {
+                        (function(e) {
+                            reload(e);
+                        })(fileSpan);
                     }
+                }
 
-                }).toggle(!eagerUpload),
-                $('<div>', {
-                    'class': 'div_attachments',
-                    'name': 'div_' + 'attachments_' + attachmentId
-                })
-            ).appendTo('#attachments_fields');
-        }
+            }).toggle(!eagerUpload),
+            $('<div>', {
+                'class': 'div_attachments',
+                'name': 'div_' + 'attachments_' + attachmentId
+            })
+        ).appendTo('#attachments_fields');
 
         if (eagerUpload) {
             ajaxUpload(file, attachmentId, fileSpan, inputEl);
@@ -195,9 +173,9 @@ function ajaxUpload(file, attachmentId, fileSpan, inputEl) {
         ajaxUpload.uploading++;
 
         uploadBlob(file, $(inputEl).data('upload-path'), attachmentId, {
-                loadstartEventHandler: onLoadstart.bind(progressSpan),
-                progressEventHandler: onProgress.bind(progressSpan)
-            })
+            loadstartEventHandler: onLoadstart.bind(progressSpan),
+            progressEventHandler: onProgress.bind(progressSpan)
+        })
             .done(function(result) {
                 progressSpan.progressbar('value', 100).remove();
                 fileSpan.find('input.description, a').css('display', 'inline-block');
@@ -284,22 +262,22 @@ function removeFile() {
 //gcm delete all file
 //modify by yutao 2015-5-14  ��1��ҳ����ڶ���ϴ��ؼ�ʱ�˿�������bug  �ʸ�֮  start
 function removeAll(containerid) {
-        if (confirm(deleteallfiles)) {
-            if (containerid == undefined) {
-                $(".remove-upload").removeAttr("data-confirm");
-                $(".remove-upload").click();
-            } else {
-                var arr = $(".remove-upload").filter(function() {
-                    return $(this).data('containerid') == containerid;
-                });
-                arr.removeAttr("data-confirm");
-                arr.click();
-            }
+    if (confirm(deleteallfiles)) {
+        if (containerid == undefined) {
+            $(".remove-upload").removeAttr("data-confirm");
+            $(".remove-upload").click();
+        } else {
+            var arr = $(".remove-upload").filter(function() {
+                return $(this).data('containerid') == containerid;
+            });
+            arr.removeAttr("data-confirm");
+            arr.click();
         }
-        //	return false;
     }
-    //modify by yutao 2015-5-14  ��1��ҳ����ڶ���ϴ��ؼ�ʱ�˿�������bug  �ʸ�֮  end
-    //gcm
+    //	return false;
+}
+//modify by yutao 2015-5-14  ��1��ҳ����ڶ���ϴ��ؼ�ʱ�˿�������bug  �ʸ�֮  end
+//gcm
 
 function uploadBlob(blob, uploadUrl, attachmentId, options) {
 
@@ -335,11 +313,10 @@ function uploadBlob(blob, uploadUrl, attachmentId, options) {
 }
 
 function addInputFiles(inputEl) {
-    checkBox = arguments[1] == 'public' ? false : true;
     // var clearedFileInput = $(inputEl).clone().val('');
     if (inputEl.files) {
         // upload files using ajax
-        uploadAndAttachFiles(inputEl.files, inputEl,checkBox);
+        uploadAndAttachFiles(inputEl.files, inputEl);
         //   $(inputEl).remove();
     } else {
         // browser not supporting the file API, upload on form submission
@@ -386,7 +363,7 @@ function addInputFiles_board(inputEl, id) {
     //clearedFileInput.insertAfter('#attachments_fields');
 }
 
-function uploadAndAttachFiles(files, inputEl,checkBox) {
+function uploadAndAttachFiles(files, inputEl) {
 
     var maxFileSize = $(inputEl).data('max-file-size');
     var maxFileSizeExceeded = $(inputEl).data('max-file-size-message');
@@ -401,7 +378,7 @@ function uploadAndAttachFiles(files, inputEl,checkBox) {
         window.alert(maxFileSizeExceeded);
     } else {
         $.each(files, function() {
-            addFile(inputEl, this, true,checkBox);
+            addFile(inputEl, this, true);
         });
     }
 }
@@ -490,3 +467,139 @@ $(function() {
         }
     });
 });
+
+//课程课件
+function addInputFilesCourseSource(inputEl) {
+    checkBox = arguments[1] == 'public' ? false : true;
+    // var clearedFileInput = $(inputEl).clone().val('');
+    if (inputEl.files) {
+        // upload files using ajax
+        uploadAndAttachFilesCourseSource(inputEl.files, inputEl,checkBox);
+        //   $(inputEl).remove();
+    } else {
+        // browser not supporting the file API, upload on form submission
+        var attachmentId;
+        var aFilename = inputEl.value.split(/\/|\\/);
+        var count = $('#attachments_fields>span').length;
+        attachmentId = addFile(inputEl, {
+            name: aFilename[aFilename.length - 1]
+        }, false);
+        if (attachmentId) {
+            $(inputEl).attr({
+                name: 'attachments[' + attachmentId + '][file]'
+            }).hide();
+            if (count <= 0) count = 1;
+            $('#upload_file_count').html("<span id=\"count\">" + count + "</span>" + $(inputEl).data('fileCount'));
+        }
+    }
+
+    //clearedFileInput.insertAfter('#attachments_fields');
+}
+
+function uploadAndAttachFilesCourseSource(files, inputEl,checkBox) {
+
+    var maxFileSize = $(inputEl).data('max-file-size');
+    var maxFileSizeExceeded = $(inputEl).data('max-file-size-message');
+
+    var sizeExceeded = false;
+    $.each(files, function() {
+        if (this.size && maxFileSize != null && this.size > parseInt(maxFileSize)) {
+            sizeExceeded = true;
+        }
+    });
+    if (sizeExceeded) {
+        window.alert(maxFileSizeExceeded);
+    } else {
+        $.each(files, function() {
+            addFileCourseSource(inputEl, this, true,checkBox);
+        });
+    }
+}
+
+function addFileCourseSource(inputEl, file, eagerUpload,checkBox) {
+
+    var attachments_frame = '#attachments_fields';
+    if ($(attachments_frame).children().length < 30) {
+        deleteallfiles = $(inputEl).data('deleteAllFiles');
+        var attachmentId = addFile.nextAttachmentId++;
+
+        var fileSpan = $('<span>', {
+            'id': 'attachments_' + attachmentId,
+            'class': 'attachment'
+        });
+        //alert(checkBox);
+        if(checkBox){
+            fileSpan.append(
+                $('<input>', {
+                    'type': 'text',
+                    'class': 'filename readonly',
+                    'name': 'attachments[' + attachmentId + '][filename]',
+                    'readonly': 'readonly'
+                }).val(file.name),
+                $('<input>', {
+                    'type': 'text',
+                    'class': 'description',
+                    'name': 'attachments[' + attachmentId + '][description]',
+                    'maxlength': 254,
+                    'placeholder': $(inputEl).data('descriptionPlaceholder')
+                }).toggle(!eagerUpload),
+                $('<div>', {
+                    'class': 'div_attachments',
+                    'name': 'div_' + 'attachments_' + attachmentId
+                })
+            ).appendTo('#attachments_fields');
+        }else {
+            fileSpan.append(
+                $('<input>', {
+                    'type': 'text',
+                    'class': 'filename readonly',
+                    'name': 'attachments[' + attachmentId + '][filename]',
+                    'readonly': 'readonly'
+                }).val(file.name),
+                $('<input>', {
+                    'type': 'text',
+                    'class': 'description',
+                    'name': 'attachments[' + attachmentId + '][description]',
+                    'maxlength': 254,
+                    'placeholder': $(inputEl).data('descriptionPlaceholder')
+                }).toggle(!eagerUpload),
+                $('<span >' + $(inputEl).data('fieldIsPublic') + ':</span>').attr({
+                    'class': 'ispublic-label'
+                }),
+                $('<input>', {
+                    'type': 'checkbox',
+                    'class': 'is_public_checkbox',
+                    'value': 1,
+                    'name': 'attachments[' + attachmentId + '][is_public_checkbox]',
+                    checked: 'checked'
+                }).toggle(!eagerUpload),
+                $('<a>&nbsp</a>').attr({
+                    'href': "#",
+                    'class': 'remove-upload'
+                }).click(function () {
+                    if (confirm($(inputEl).data('areYouSure'))) {
+                        removeFile();
+                        if (!eagerUpload) {
+                            (function (e) {
+                                reload(e);
+                            })(fileSpan);
+                        }
+                    }
+
+                }).toggle(!eagerUpload),
+                $('<div>', {
+                    'class': 'div_attachments',
+                    'name': 'div_' + 'attachments_' + attachmentId
+                })
+            ).appendTo('#attachments_fields');
+        }
+
+        if (eagerUpload) {
+            ajaxUpload(file, attachmentId, fileSpan, inputEl);
+
+        }
+        return attachmentId;
+    }
+    return null;
+}
+addFileCourseSource.nextAttachmentId = 1;
\ No newline at end of file
diff --git a/public/javascripts/feedback.js b/public/javascripts/feedback.js
index fb3b35ca7..b30c8f91d 100644
--- a/public/javascripts/feedback.js
+++ b/public/javascripts/feedback.js
@@ -19,12 +19,12 @@
             if(options.minStatue == "true"){
                 show_btn.css("float", options.float);
                 sideContent.css('width', 0);
-                show_btn.css('width', 25);
+                show_btn.css('width', 28);
             }
             //close
             closeBtn.bind("click",function(){
                 sideContent.animate({width: '0px'},"fast");
-                show_btn.stop(true, true).delay(300).animate({ width: '25px'},"fast");
+                show_btn.stop(true, true).delay(300).animate({ width: '28px'},"fast");
                 cookiesave('minStatue','true','','','');
             });
             //show