diff --git a/README.md b/README.md
index 2e6b3133..3e8bba90 100644
--- a/README.md
+++ b/README.md
@@ -37,6 +37,7 @@ Features
   * Documents and folders symbolic links
   * Document tagging
   * Trash bin
+  * Documents attachable to issues
   * Compatible with Redmine 3.3.x
 
 Dependencies
@@ -235,9 +236,9 @@ Before installing ensure that the Redmine instance is stopped.
 6. Restart the web server.
 7. You should configure the plugin via Redmine interface: Administration -> Plugins -> DMSF -> Configure.
 8. Assign DMSF permissions to appropriate roles.
-9. There are two rake tasks:
+9. There are a few rake tasks:
 
-    a) To convert documents from the standard Redmine document module
+    I) To convert documents from the standard Redmine document module
 
         Available options:
 
@@ -253,11 +254,42 @@ Before installing ensure that the Redmine instance is stopped.
               chown -R www-data:www-data /redmine/files/dmsf
             afterwards)
 
-    b) To alert all users who are expected to do an approval in the current approval steps
+    II) To alert all users who are expected to do an approval in the current approval steps
 
         Example:
             
-            rake redmine:dmsf_alert_approvals RAILS_ENV="production"            
+            rake redmine:dmsf_alert_approvals RAILS_ENV="production"   
+                     
+    III) To clears the Webdav Cache
+                     
+         Example:
+         
+            rake redmine:dmsf_clear_webdav_cache RAILS_ENV="production"
+            
+    IV) To create missing MD5 digest for all file revisions
+            
+        Available options:
+        
+          *dry_run - test, no changes to the database
+        
+        Example:
+        
+          bundle exec rake redmine:dmsf_create_digests RAILS_ENV="production"
+          bundle exec rake redmine:dmsf_create_digests dry_run=1 RAILS_ENV="production"
+          
+    V) To maintain DMSF
+        
+        * Remove all files with no database record from the document directory
+        * Remove all links project_id = -1 (added links to an issue which hasn't been created)
+        
+        Available options:
+        
+          *dry_run - No physical deletion but to list of all unused files only
+        
+        Example:
+        
+          rake redmine:dmsf_maintenance RAILS_ENV="production"
+          rake redmine:dmsf_maintenance dry_run=1 RAILS_ENV="production"
 
 ### Fulltext search (optional)
 If you want to use full-text search features, you must setup file content indexing.
diff --git a/app/controllers/dmsf_controller.rb b/app/controllers/dmsf_controller.rb
index 5fa504eb..feeced3a 100644
--- a/app/controllers/dmsf_controller.rb
+++ b/app/controllers/dmsf_controller.rb
@@ -728,19 +728,7 @@ class DmsfController < ApplicationController
         end
       end
       # Remove system folders you are not allowed to see because you are not allowed to see the issue
-      @subfolders.delete_if{ |folder|
-        if folder.system
-          issue_id = folder.title.to_i
-          if issue_id > 0
-            issue = Issue.find_by_id issue_id
-            issue && !issue.visible?(User.current)
-          else
-            false
-          end
-        else
-          false
-        end
-      }
+      @subfolders = DmsfHelper.visible_folders(@subfolders)
     end
 
     @ajax_upload_size = Setting.plugin_redmine_dmsf['dmsf_max_ajax_upload_filesize'].present? ? Setting.plugin_redmine_dmsf['dmsf_max_ajax_upload_filesize'] : 100
diff --git a/app/controllers/dmsf_links_controller.rb b/app/controllers/dmsf_links_controller.rb
index 08b0fce3..7d8eb1a2 100644
--- a/app/controllers/dmsf_links_controller.rb
+++ b/app/controllers/dmsf_links_controller.rb
@@ -26,6 +26,7 @@ class DmsfLinksController < ApplicationController
   before_filter :find_link_project
   before_filter :authorize
   before_filter :permissions
+  protect_from_forgery except: :new
 
   def permissions
     if @dmsf_link
@@ -43,109 +44,80 @@ class DmsfLinksController < ApplicationController
   def new
     @dmsf_link = DmsfLink.new
     @dmsf_link.project_id = params[:project_id]
-
-    if params[:dmsf_link].present?
-      # Reload
-      @dmsf_link.dmsf_folder_id = params[:dmsf_link][:dmsf_folder_id]
-      @dmsf_file_id = params[:dmsf_link][:dmsf_file_id]
-      @type = params[:dmsf_link][:type]
-      @link_external = (@type == 'link_from') && (params[:external_link] == 'true')
-      @dmsf_link.target_project_id = params[:dmsf_link][:target_project_id]
-      @target_folder_id = params[:dmsf_link][:target_folder_id].to_i if params[:reload].blank? && DmsfLinksHelper.is_a_number?(params[:dmsf_link][:target_folder_id])
-      if @type == 'link_to'
-        if params[:dmsf_link][:dmsf_file_id].present?
-          file = DmsfFile.find_by_id params[:dmsf_link][:dmsf_file_id]
-          @dmsf_link.name = file.title if file
-        else
-          folder = DmsfFolder.find_by_id params[:dmsf_link][:dmsf_folder_id]
-          @dmsf_link.name = folder.title if folder
-        end
+    @dmsf_link.dmsf_folder_id = params[:dmsf_folder_id]
+    @dmsf_file_id = params[:dmsf_file_id]
+    @type = params[:type]
+    @dmsf_link.target_project_id = params[:project_id]
+    @dmsf_link.project_id = params[:project_id]
+    @target_folder_id = params[:dmsf_folder_id].to_i if params[:dmsf_folder_id].present?
+    if @type == 'link_to'
+      if @dmsf_file_id
+        file = DmsfFile.find_by_id @dmsf_file_id
+        @dmsf_link.name = file.title if file
       else
-        if params[:dmsf_link][:target_file_id].present?
-          @target_file_id = params[:dmsf_link][:target_file_id]
-          file = DmsfFile.find_by_id @target_file_id
-
-          if file
-            folder = DmsfFolder.find_by_id params[:dmsf_link][:target_folder_id]
-            if (folder && (folder.project_id == @dmsf_link.target_project_id) && folder.dmsf_files.include?(file)) || folder.nil?
-              @dmsf_link.name = file.title
-            end
-          end
-        else
-          folder = DmsfFolder.find_by_id params[:dmsf_link][:target_folder_id]
-
-          if folder
-            if folder.project_id == @dmsf_link.target_project_id
-              @dmsf_link.name = folder.title if folder
-            end
-          end
-        end
-      end
-    else
-      # Link from/to
-      @dmsf_link.dmsf_folder_id = params[:dmsf_folder_id]
-      @dmsf_file_id = params[:dmsf_file_id]
-      @type = params[:type]
-      @link_external = false
-      @dmsf_link.target_project_id = params[:project_id]
-      @dmsf_link.project_id = params[:project_id]
-      @target_folder_id = params[:dmsf_folder_id].to_i if params[:dmsf_folder_id].present?
-      if @type == 'link_to'
-        if @dmsf_file_id
-          file = DmsfFile.find_by_id @dmsf_file_id
-          @dmsf_link.name = file.title if file
-        else
-          folder = DmsfFolder.find_by_id @target_folder_id
-          @dmsf_link.name = folder.title if folder
-        end
+        folder = DmsfFolder.find_by_id @target_folder_id
+        @dmsf_link.name = folder.title if folder
       end
     end
+    @container = params[:container]
+    respond_to do |format|
+      format.html
+      format.js
+    end
+  end
 
-    render :layout => !request.xhr?
+  def autocomplete_for_project
+    respond_to do |format|
+      format.js
+    end
+  end
+
+  def autocomplete_for_folder
+    respond_to do |format|
+      format.js
+    end
   end
 
   def create
     @dmsf_link = DmsfLink.new
     @dmsf_link.user = User.current
-
     if params[:dmsf_link][:type] == 'link_from'
       # Link from
-      @dmsf_link.project_id = params[:dmsf_link][:project_id]
-      @dmsf_link.dmsf_folder_id = params[:dmsf_link][:dmsf_folder_id]
+      if params[:dmsf_link][:container].blank?
+        @dmsf_link.project_id = params[:dmsf_link][:project_id]
+        @dmsf_link.dmsf_folder_id = params[:dmsf_link][:dmsf_folder_id]
+      else
+        # An issue link
+        @dmsf_link.project_id = -1
+        @dmsf_link.dmsf_folder_id = nil
+      end
       @dmsf_link.target_project_id = params[:dmsf_link][:target_project_id]
-      @link_external = (params[:external_link] == 'true')
-      @dmsf_link.external_url = params[:dmsf_link][:external_url]
-      if (@link_external)
+      if (params[:external_link] == 'true')
+        @dmsf_link.external_url = params[:dmsf_link][:external_url]
         @dmsf_link.target_type = 'DmsfUrl'
       elsif params[:dmsf_link][:target_file_id].present?
         @dmsf_link.target_id = params[:dmsf_link][:target_file_id]
         @dmsf_link.target_type = DmsfFile.model_name.to_s
       else
-        @dmsf_link.target_id = DmsfLinksHelper.is_a_number?(params[:dmsf_link][:target_folder_id]) ? params[:dmsf_link][:target_folder_id].to_i : nil
+        @dmsf_link.target_id = DmsfLinksHelper.is_a_number?(
+          params[:dmsf_link][:target_folder_id]) ? params[:dmsf_link][:target_folder_id].to_i : nil
+        @dmsf_link.target_id = nil if(@dmsf_link.target_id == 0)
         @dmsf_link.target_type = DmsfFolder.model_name.to_s
       end
       @dmsf_link.name = params[:dmsf_link][:name]
-
       if @dmsf_link.save
         flash[:notice] = l(:notice_successful_create)
-        redirect_to dmsf_folder_path(:id => @project.id, :folder_id => @dmsf_link.dmsf_folder_id)
       else
-        @dmsf_file_id = params[:dmsf_link][:dmsf_file_id]
-        @type = params[:dmsf_link][:type]
-        @target_folder_id = params[:dmsf_link][:target_folder_id].to_i if DmsfLinksHelper.is_a_number?(params[:dmsf_link][:target_folder_id])
-        @target_file_id = @dmsf_link.target_id if @dmsf_link.target_type == DmsfFile.model_name.to_s
-        render :action => 'new'
+        flash[:error] = @dmsf_link.errors.full_messages.to_sentence
       end
     else
       # Link to
       @dmsf_link.project_id = params[:dmsf_link][:target_project_id]
-      @dmsf_link.dmsf_folder_id = DmsfLinksHelper.is_a_number?(params[:dmsf_link][:target_folder_id]) ? params[:dmsf_link][:target_folder_id].to_i : nil
+      @dmsf_link.dmsf_folder_id = DmsfLinksHelper.is_a_number?(
+        params[:dmsf_link][:target_folder_id]) ? params[:dmsf_link][:target_folder_id].to_i : nil
+      @dmsf_link.dmsf_folder_id = nil if(@dmsf_link.dmsf_folder_id == 0)
       @dmsf_link.target_project_id = params[:dmsf_link][:project_id]
-      @link_external = (params[:external_link] == 'true')
-      @dmsf_link.external_url = params[:dmsf_link][:external_url]
-      if (@link_external)
-        @dmsf_link.target_type = 'DmsfUrl'
-      elsif params[:dmsf_link][:dmsf_file_id].present?
+      if params[:dmsf_link][:dmsf_file_id].present?
         @dmsf_link.target_id = params[:dmsf_link][:dmsf_file_id]
         @dmsf_link.target_type = DmsfFile.model_name.to_s
       else
@@ -153,24 +125,26 @@ class DmsfLinksController < ApplicationController
         @dmsf_link.target_type = DmsfFolder.model_name.to_s
       end
       @dmsf_link.name = params[:dmsf_link][:name]
-
       if @dmsf_link.save
         flash[:notice] = l(:notice_successful_create)
-        if params[:dmsf_link][:dmsf_file_id].present?
-          redirect_to dmsf_file_path(@dmsf_link.target_file)
-        else
-          redirect_to edit_dmsf_path(:id => params[:dmsf_link][:project_id], :folder_id => params[:dmsf_link][:dmsf_folder_id])
-        end
       else
-        @dmsf_file_id = params[:dmsf_link][:dmsf_file_id]
-        @type = params[:dmsf_link][:type]
-        @target_folder_id = @dmsf_link.dmsf_folder_id
-        @dmsf_link.target_project_id = @dmsf_link.project.id
-        @dmsf_link.project_id = params[:dmsf_link][:project_id]
-        @dmsf_link.dmsf_folder_id = params[:dmsf_link][:dmsf_folder_id]
-        render :action => 'new'
+        flash[:error] = @dmsf_link.errors.full_messages.to_sentence
       end
     end
+    respond_to do |format|
+      format.html {
+        if params[:dmsf_link][:type] == 'link_from'
+          redirect_to dmsf_folder_path(:id => @project.id, :folder_id => @dmsf_link.dmsf_folder_id)
+        else
+          if params[:dmsf_link][:dmsf_file_id].present?
+            redirect_to dmsf_file_path(@dmsf_link.target_file)
+          else
+            redirect_to edit_dmsf_path(:id => params[:dmsf_link][:project_id], :folder_id => params[:dmsf_link][:dmsf_folder_id])
+          end
+        end
+      }
+      format.js
+    end
   end
 
   def destroy
diff --git a/app/helpers/dmsf_helper.rb b/app/helpers/dmsf_helper.rb
index 808aaf8e..844b3593 100644
--- a/app/helpers/dmsf_helper.rb
+++ b/app/helpers/dmsf_helper.rb
@@ -89,9 +89,30 @@ module DmsfHelper
     'plupload/js/i18n/en.js'
   end
 
+  def self.visible_folders(folders)
+    allowed = Setting.plugin_redmine_dmsf['dmsf_act_as_attachable']
+    folders.reject{ |folder|
+      if folder.system
+        unless allowed
+          true
+        else
+          issue_id = folder.title.to_i
+          if issue_id > 0
+            issue = Issue.find_by_id issue_id
+            issue && !issue.visible?(User.current)
+          else
+            false
+          end
+        end
+      else
+        false
+      end
+    }
+  end
+
   def self.all_children_sorted(parent, pos, ident)
     # Folders && files && links
-    nodes = parent.dmsf_folders.visible + parent.dmsf_links.visible + parent.dmsf_files.visible
+    nodes = visible_folders(parent.dmsf_folders.visible.to_a) + parent.dmsf_links.visible + parent.dmsf_files.visible
     # Alphabetical and type sort
     nodes.sort! do |x, y|
       if ((x.is_a?(DmsfFolder) || (x.is_a?(DmsfLink) && x.is_folder?)) &&
diff --git a/app/helpers/dmsf_links_helper.rb b/app/helpers/dmsf_links_helper.rb
index 758e5ce3..aa6d1a2d 100644
--- a/app/helpers/dmsf_links_helper.rb
+++ b/app/helpers/dmsf_links_helper.rb
@@ -37,6 +37,18 @@ module DmsfLinksHelper
   # An integer test
   def self.is_a_number?(s)
     s.to_s.match(/\A[+-]?\d+?(\.\d+)?\Z/) == nil ? false : true
-  end   
+  end
+
+  def files_for_select(project_id, folder_id)
+    files = []
+    if folder_id && (folder_id != '0')
+      folder = DmsfFolder.find_by_id folder_id
+      files = folder.dmsf_files.visible.to_a if folder
+    elsif project_id
+      project = Project.find_by_id project_id
+      files = project.dmsf_files.visible.to_a if project
+    end
+    files
+  end
     
 end
diff --git a/app/models/dmsf_folder.rb b/app/models/dmsf_folder.rb
index a0787be6..6248d6f7 100644
--- a/app/models/dmsf_folder.rb
+++ b/app/models/dmsf_folder.rb
@@ -210,7 +210,10 @@ class DmsfFolder < ActiveRecord::Base
   end
 
   def self.directory_tree(project, current_folder = nil)
-    tree = [[l(:link_documents), nil]]
+    unless project.is_a? Project
+      project = Project.find_by_id project
+    end
+    tree = [[l(:link_documents), 0]]
     project.dmsf_folders.visible(false).each do |folder|
       unless folder == current_folder
         tree.push(["...#{folder.title}", folder.id])
diff --git a/app/models/dmsf_link.rb b/app/models/dmsf_link.rb
index 26b837a7..08285c18 100644
--- a/app/models/dmsf_link.rb
+++ b/app/models/dmsf_link.rb
@@ -122,8 +122,17 @@ class DmsfLink < ActiveRecord::Base
     link
   end
 
+  def container
+    if self.folder && self.folder.system
+      Issue.where(:id => self.folder.title.to_i).first
+    end
+  end
+
   def delete(commit = false)
     if commit
+      if self.container.is_a?(Issue)
+        self.container.dmsf_file_removed(self.target_file)
+      end
       self.destroy
     else
       self.deleted = STATUS_DELETED
diff --git a/app/views/dmsf/show.html.erb b/app/views/dmsf/show.html.erb
index fb930ba7..7d265216 100644
--- a/app/views/dmsf/show.html.erb
+++ b/app/views/dmsf/show.html.erb
@@ -59,8 +59,9 @@
       <% end %>
       <% if @file_manipulation_allowed && !@locked_for_user %>
           <%= link_to(l(:label_link_from),
-                      new_dmsf_link_path(:project_id => @project.id, :dmsf_folder_id => @folder ? @folder.id : @folder, :type => 'link_from'),
-                      :title => l(:title_create_link), :class => 'icon icon-link') %>
+                      new_dmsf_link_path(:project_id => @project.id, :dmsf_folder_id => @folder ? @folder.id : @folder,
+                        :type => 'link_from'), :title => l(:title_create_link),
+                        :class => 'icon icon-link') %>
       <% end %>
       <%= link_to(l(:link_create_folder),
                   new_dmsf_path(:id => @project, :parent_id => @folder),
@@ -100,7 +101,6 @@
               <% custom_value.custom_field.is_required = false %>
               <% custom_value.value = params[:custom_value].present? ? params[:custom_value] : '' %>
               <%= h(custom_value.custom_field.name) %>:
-              <%#= custom_field_tag(:dmsf_folder, custom_value, :style => 'width: auto') %>
               <%= custom_value.custom_field.format.edit_tag(self,
                 custom_field_tag_id(:dmsf_folder, custom_value.custom_field),
                 custom_field_tag_name(:dmsf_folder, custom_value.custom_field),
diff --git a/app/views/dmsf_files/_file_new_revision.html.erb b/app/views/dmsf_files/_file_new_revision.html.erb
index a0a2c9c9..b80e0cdf 100644
--- a/app/views/dmsf_files/_file_new_revision.html.erb
+++ b/app/views/dmsf_files/_file_new_revision.html.erb
@@ -78,7 +78,7 @@
         <div class="box">
           <p>
             <%= label_tag('file_upload', l(:label_new_content)) %>
-            <%= render :partial => 'dmsf_upload/form', :locals => { :multiple => false } %>
+            <%= render :partial => 'dmsf_upload/form', :locals => { :multiple => false, :container => nil } %>
           </p>
         </div>
         <p>          
diff --git a/app/views/dmsf_files/_links.html.erb b/app/views/dmsf_files/_links.html.erb
index 1b928310..d32d3fd1 100644
--- a/app/views/dmsf_files/_links.html.erb
+++ b/app/views/dmsf_files/_links.html.erb
@@ -20,7 +20,7 @@
   # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 %>
 
-<% if dmsf_files.present? %>
+<% if dmsf_files.present? || dmsf_links.present? %>
   <hr/>
   <div class="attachments dmsf_parent_container">
     <% for dmsf_file in dmsf_files %>
@@ -76,4 +76,58 @@
         <% end %>
     <% end %>
   </div>
+    <% for dmsf_link in dmsf_links %>
+        <% dmsf_file = dmsf_link.target_file %>
+        <% if dmsf_file.last_revision %>
+            <p class = "dmsf_gray">
+              <% file_view_url = url_for({:controller => :dmsf_files, :action => 'view', :id => dmsf_file}) %>
+              <%= link_to(h(dmsf_link.title),
+                          file_view_url,
+                          :target => '_blank',
+                          :class => "icon icon-file #{DmsfHelper.filetype_css(dmsf_file.name)}",
+                          :title => h(dmsf_file.last_revision.try(:tooltip)),
+                          'data-downloadurl' => "#{dmsf_file.last_revision.detect_content_type}:#{h(dmsf_file.name)}:#{file_view_url}") %>
+              <% if dmsf_file.text? || dmsf_file.image? %>
+                  <%= link_to l(:button_view),
+                              file_view_url,
+                              :class => 'icon-only icon-magnifier',
+                              :title => l(:button_view) %>
+              <% end %>
+              <%= " - #{dmsf_file.description}" unless dmsf_file.description.blank? %>
+              <span class="size">(<%= number_to_human_size dmsf_file.last_revision.size %>)</span>
+              <% if @issue.attributes_editable?  && User.current.allowed_to?(:file_delete, dmsf_file.project) %>
+                  <%= link_to('',
+                              dmsf_link_path(dmsf_link, :commit => 'yes'),
+                              :data => {:confirm => l(:text_are_you_sure)},
+                              :method => :delete,
+                              :title => l(:title_delete),
+                              :class => 'icon icon-del') %>
+              <% end %>
+              <span class="author"><%= dmsf_file.last_revision.user %>, <%= format_time(dmsf_file.last_revision.updated_at) %></span>
+              <span class="dmsf_upload_select">
+              <% wf = DmsfWorkflow.find_by_id(dmsf_file.last_revision.dmsf_workflow_id) if dmsf_file.last_revision.dmsf_workflow_id %>
+                <%= render(:partial => 'dmsf_files/approval_workflow_button',
+                           :locals => {:file => dmsf_file,
+                                       :file_approval_allowed => User.current.allowed_to?(:file_approval, dmsf_file.project),
+                                       :workflows_available => DmsfWorkflow.where(['project_id = ? OR project_id IS NULL', dmsf_file.project.id]).exists?,
+                                       :project => dmsf_file.project, :wf => wf }) %>
+            </span>
+            </p>
+        <% end %>
+    <% end %>
+    <% if defined?(thumbnails) && thumbnails %>
+        <% images = dmsf_links.map{ |link| link.target_file }.select(&:image?) %>
+        <% if images.any? %>
+            <div class="thumbnails">
+              <% images.each do |file| %>
+                  <div>
+                    <%= link_to image_tag(dmsf_thumbnail_path(file)),
+                                url_for({:controller => :dmsf_files, :action => 'view', :id => file}),
+                                :alt => dmsf_file.title %>
+                  </div>
+              <% end %>
+            </div>
+        <% end %>
+    <% end %>
+    </div>
 <% end %>
diff --git a/app/views/dmsf_links/_form.html.erb b/app/views/dmsf_links/_form.html.erb
index ddbed231..608176db 100644
--- a/app/views/dmsf_links/_form.html.erb
+++ b/app/views/dmsf_links/_form.html.erb
@@ -20,40 +20,41 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 %>
 
-<% html_title l(:dmsf) %>
+<h3 class="title"><%= l(:title_create_link) %></h3>
 
-<% if @dmsf_file_id %>
-  <% file = DmsfFile.find_by_id @dmsf_file_id%>
-  <% title = file.title if file %>
-<% end %>
-
-<%= render(:partial => '/dmsf/path',
-  :locals => {:folder => @dmsf_link.folder, :filename => nil,
-    :title => (@type == 'link_from') ? l(:label_link_from) : l(:label_link_to) }) %>
-
-<%= labelled_form_for @dmsf_link do |f| %>
+<%= labelled_form_for @dmsf_link, :remote => modal do |f| %>
   <%= error_messages_for @dmsf_link %>
   <%= f.hidden_field :project_id, :value => @dmsf_link.project_id %>
   <%= f.hidden_field :dmsf_folder_id, :value => @dmsf_link.dmsf_folder_id if @dmsf_link.dmsf_folder_id %>
   <%= f.hidden_field :type, :value => @type %>
   <%= f.hidden_field :dmsf_file_id, :value => @dmsf_file_id %>
+  <%= f.hidden_field(:container, :value => @container) if @container %>
   <div class="box tabular">
-    <% if @type == 'link_from' %>
+    <% if (@type == 'link_from') && !@container %>
       <p>
-        <%= radio_button_tag(:external_link, 'false', @link_external == false) %> <%= l(:label_internal) %><br/>
-        <%= radio_button_tag(:external_link, 'true', @link_external) %>  <%= l(:label_external) %>
+        <%= radio_button_tag(:external_link, 'false', true) %> <%= l(:label_internal) %><br/>
+        <%= radio_button_tag(:external_link, 'true', false) %>  <%= l(:label_external) %>
       </p>
     <% end %>
-    <div id="link_internal" style="<%= @link_external ? 'display:none' : '' %>">
+    <div id="link_internal">
       <p>
         <% if @type == 'link_from' %>
-          <label for="dmsf_link[target_project_id]"><%= l(:label_source_project) %><span class="required">*</span></label>
+          <label for="dmsf_link[target_project_id]"><%= l(:label_source_project) %></label>
         <% else %>
-          <label for="dmsf_link[target_project_id]"><%= l(:label_target_project) %><span class="required">*</span></label>
+          <label for="dmsf_link[target_project_id]"><%= l(:label_target_project) %></label>
         <% end %>
         <%= select_tag('dmsf_link[target_project_id]',
           project_tree_options_for_select(DmsfFile.allowed_target_projects_on_copy,
-          :selected => @dmsf_link.target_project)) %>
+          :selected => @dmsf_link.target_project), :style => "width=100%") %>
+        <%= javascript_tag do %>
+            $('#dmsf_link_target_project_id').change(function(){
+              $.ajax({
+                url: '<%= autocomplete_for_project_dmsf_link_path(@project, :format => 'js') %>',
+                type: 'get',
+                data: $('#new_dmsf_link').serialize()
+              });
+            });
+        <% end %>
       </p>
       <p>
         <% if @type == 'link_from' %>
@@ -64,51 +65,50 @@
         <%= select_tag('dmsf_link[target_folder_id]',
           folder_tree_options_for_select(DmsfFolder.directory_tree(@dmsf_link.target_project),
           :selected => @target_folder_id)) %>
+        <%= javascript_tag do %>
+            $('#dmsf_link_target_folder_id').change(function(){
+              $.ajax({
+                url: '<%= autocomplete_for_folder_dmsf_link_path(@project, :format => 'js') %>',
+                type: 'get',
+                data: $('#new_dmsf_link').serialize()
+              });
+            });
+        <% end %>
       </p>
       <% if @type == 'link_from' %>
         <p>
-          <% if @target_folder_id %>
-            <% folder = DmsfFolder.find_by_id @target_folder_id %>
-            <% files = folder.dmsf_files.visible if folder %>
-          <% else %>
-            <% files = @dmsf_link.target_project.dmsf_files.visible if @dmsf_link.target_project %>
-          <% end %>
-          <%= f.select(:target_file_id,
-            options_for_select(DmsfFolder.file_list(files), @target_file_id)) %>
+          <%= label_tag('dmsf_link[target_file_id]', l(:field_target_file)) %>
+          <% files = files_for_select(@dmsf_link.target_project.id, @target_folder_id) %>
+          <%= select_tag('dmsf_link[target_file_id]',
+            options_for_select(DmsfFolder.file_list(files))) %>
         </p>
       <% end %>
     </div>
-    <div id="link_external" style="<%= @link_external ? '' : 'display:none' %>">
+    <div id="link_external" style="display: none">
       <p>
-        <%= f.text_field :external_url, :label => l(:label_link_external_url) %>
+        <%= f.text_field :external_url, :required => true %>
       </p>
     </div>
     <p>
-      <%= f.text_field :name, :label => l(:label_link_name) %>
+      <%= f.text_field :name, :required => true %>
     </p>
   </div>
-  <p><%= f.submit l(:button_create) %></p>
+  <p><%= f.submit l(:button_create), :onclick => 'hideModal(this);' %></p>
 <% end %>
 
 <script type="text/javascript">
-  $('#dmsf_link_target_project_id').change(function () {
-    $('#content').load("<%= url_for(:action => 'new', :project_id => @project.id, :reload => true) %>", $('#new_dmsf_link').serialize());
-  });
-
-  $('#dmsf_link_target_folder_id').change(function () {
-    $('#content').load("<%= url_for(:action => 'new', :project_id => @project.id) %>", $('#new_dmsf_link').serialize());
-  });
-
+  // Suggest a link name when a file is selected
   $('#dmsf_link_target_file_id').change(function () {
-    $('#content').load("<%= url_for(:action => 'new', :project_id => @project.id) %>", $('#new_dmsf_link').serialize());
-  });
+    var linkName = $('#dmsf_link_name');
+    var name = linkName.val();
 
+    if(name == '') {
+        linkName.val($('#dmsf_link_target_file_id option:selected').text().replace(/\./g, ''));
+    }
+  });
+  // Internal/External link switch
   $("input[name=external_link]:radio").change(function(){
     $("#link_internal").toggle();
     $("#link_external").toggle();
   });
-
-  $('#dmsf_link_target_project_id').select2();
-  $('#dmsf_link_target_folder_id').select2();
-  $('#dmsf_link_target_file_id').select2();
-</script>
\ No newline at end of file
+</script>
diff --git a/app/views/dmsf_links/autocomplete_for_folder.js.erb b/app/views/dmsf_links/autocomplete_for_folder.js.erb
new file mode 100644
index 00000000..c18720f0
--- /dev/null
+++ b/app/views/dmsf_links/autocomplete_for_folder.js.erb
@@ -0,0 +1,4 @@
+$('#dmsf_link_target_file_id').html('<%= escape_javascript(
+  select_tag('dmsf_link[target_file_id]',
+            options_for_select(DmsfFolder.file_list(files_for_select(params[:dmsf_link][:target_project_id],
+            params[:dmsf_link][:target_folder_id]))))) %>');
diff --git a/app/views/dmsf_links/autocomplete_for_project.js.erb b/app/views/dmsf_links/autocomplete_for_project.js.erb
new file mode 100644
index 00000000..eda8eb4b
--- /dev/null
+++ b/app/views/dmsf_links/autocomplete_for_project.js.erb
@@ -0,0 +1,4 @@
+$('#dmsf_link_target_folder_id').html('<%= escape_javascript(
+  select_tag('dmsf_link[target_folder_id]',
+         folder_tree_options_for_select(DmsfFolder.directory_tree(params[:dmsf_link][:target_project_id])))) %>');
+$('#dmsf_link_target_folder_id').change();
diff --git a/app/views/dmsf_links/create.js.erb b/app/views/dmsf_links/create.js.erb
new file mode 100644
index 00000000..de57c317
--- /dev/null
+++ b/app/views/dmsf_links/create.js.erb
@@ -0,0 +1,27 @@
+<%
+# encoding: utf-8
+#
+# Redmine plugin for Document Management System "Features"
+#
+# Copyright (C) 2011-17 Karel Pičman <karel.picman@kontron.com>
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+%>
+
+var linksSpan = $("#dmsf_links_fields");
+var linkId = "<%= @dmsf_link.id %>";
+var linkName = "<%= @dmsf_link.name %>";
+
+dmsfAddLink(linksSpan, linkId, linkName);
diff --git a/app/views/dmsf_links/new.html.erb b/app/views/dmsf_links/new.html.erb
index bc47086f..4cc94ad6 100644
--- a/app/views/dmsf_links/new.html.erb
+++ b/app/views/dmsf_links/new.html.erb
@@ -20,4 +20,4 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 %>
 
-<%= render 'form' %>
\ No newline at end of file
+<%= render :partial => 'form', :locals => { :modal => false } %>
\ No newline at end of file
diff --git a/app/views/dmsf_links/new.js.erb b/app/views/dmsf_links/new.js.erb
new file mode 100644
index 00000000..7dd70ab7
--- /dev/null
+++ b/app/views/dmsf_links/new.js.erb
@@ -0,0 +1,24 @@
+<%
+# encoding: utf-8
+#
+# Redmine plugin for Document Management System "Features"
+#
+# Copyright (C) 2011-17 Karel Pičman <karel.picman@kontron.com>
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+%>
+
+$('#ajax-modal').html('<%= escape_javascript(render :partial => 'form', :locals => { :modal => true }) %>');
+showModal('ajax-modal', '40%');
\ No newline at end of file
diff --git a/app/views/dmsf_upload/_form.html.erb b/app/views/dmsf_upload/_form.html.erb
index 207881f1..a0f2f3ea 100644
--- a/app/views/dmsf_upload/_form.html.erb
+++ b/app/views/dmsf_upload/_form.html.erb
@@ -21,7 +21,7 @@
 %>
 
 <span id="dmsf_attachments_fields">
-<% if defined?(container) && container && container.saved_dmsf_attachments %>
+<% if defined?(container) && container && container.saved_dmsf_attachments.present? %>
   <% container.saved_dmsf_attachments.each_with_index do |attachment, i| %>
     <span id="dmsf_attachments_p<%= i %>">
       <%= text_field_tag("dmsf_attachments[p#{i}][filename]", attachment.filename, :class => 'filename') +
@@ -47,3 +47,24 @@
                    } %>
   (<%= l(:label_max_size) %>: <%= number_to_human_size(Setting.attachment_max_size.to_i.kilobytes) %>)
 </span>
+<% if container %>
+  <br/>
+  <span id="dmsf_links_fields">
+    <% if container.saved_dmsf_links.present? %>
+        <% container.saved_dmsf_links.each_with_index do |dmsf_link, index| %>
+          <span id="dmsf_links_<%= index %>">
+            <input name="dmsf_links[<%= index %>]" value="<%= dmsf_link.id %>" type="hidden">
+            <input type="text" class='filename readonly' value="<%= dmsf_link.name %>">
+            <a href="#" class="remove-upload icon icon-del" onclick="$(this).parent('span').remove();return false;">&nbsp;</a>
+            <br/>
+          </span>
+        <% end %>
+    <% end %>
+  </span>
+  <span class="dmsf_add_link">
+    <%= link_to l(:label_link_from),
+                new_dmsf_link_path(:project_id => container.project.id, :type => 'link_from', :container => 'issue'),
+                :title => l(:title_create_link), :class => 'icon icon-add', :remote => true %>
+  </span>
+<% end %>
+
diff --git a/app/views/dmsf_upload/_multi_upload.html.erb b/app/views/dmsf_upload/_multi_upload.html.erb
index 61dfa8c7..33c4a026 100644
--- a/app/views/dmsf_upload/_multi_upload.html.erb
+++ b/app/views/dmsf_upload/_multi_upload.html.erb
@@ -40,7 +40,7 @@
     <div class="dmsf_uploader">
       <p>
         <label><%= l(:label_document_plural) %></label>
-        <%= render :partial => 'dmsf_upload/form', :locals => { :multiple => true } %>
+        <%= render :partial => 'dmsf_upload/form', :locals => { :multiple => true, :container => nil } %>
       </p>
     </div>
     <%= submit_tag l(:label_upload) %>
diff --git a/app/views/dmsf_workflows/assign.js.erb b/app/views/dmsf_workflows/assign.js.erb
index eae3c44a..8775ff4d 100644
--- a/app/views/dmsf_workflows/assign.js.erb
+++ b/app/views/dmsf_workflows/assign.js.erb
@@ -1,4 +1,5 @@
-<%# Redmine plugin for Document Management System "Features"
+<%
+# Redmine plugin for Document Management System "Features"
 #
 # Copyright (C) 2011-15   Karel Pičman <karel.picman@kontron.com>
 #
@@ -14,7 +15,8 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.%>
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+%>
 
 $('#ajax-modal').html('<%= escape_javascript(render :partial => 'assign', :locals => {:workflow => @dmsf_workflow}) %>');
 showModal('ajax-modal', '30%');
diff --git a/assets/javascripts/attachments_dmsf.js b/assets/javascripts/attachments_dmsf.js
index 79bd3f0b..fb07732a 100644
--- a/assets/javascripts/attachments_dmsf.js
+++ b/assets/javascripts/attachments_dmsf.js
@@ -19,6 +19,24 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
+function dmsfAddLink(linksSpan, linkId, linkName) {
+
+    if (linksSpan.children().length < 10) {
+
+        var nextLinkId = dmsfAddLink.nextLinkId++;
+        var linkSpan = $('<span>', { id: 'dmsf_links_' + nextLinkId });
+
+        linkSpan.append(
+            "<input name='dmsf_links[" + nextLinkId + "]' value='" + linkId + "' type='hidden'>",
+            "<input type='text' class='filename readonly' value='" + linkName + "'>",
+            $('<a>&nbsp;</a>').attr({href: "#", 'class': 'remove-upload icon icon-del'}).click(dmsfRemoveFile),
+            "<br/>"
+        ).appendTo(linksSpan);
+    }
+}
+
+dmsfAddLink.nextLinkId = 1000;
+
 function dmsfAddFile(inputEl, file, eagerUpload) {
 
     if ($('#dmsf_attachments_fields').children().length < 10) {
diff --git a/assets/stylesheets/redmine_dmsf.css b/assets/stylesheets/redmine_dmsf.css
index a8b23830..e604d970 100644
--- a/assets/stylesheets/redmine_dmsf.css
+++ b/assets/stylesheets/redmine_dmsf.css
@@ -319,3 +319,5 @@ div.dmsf_revision_inner_box .attribute .label {
 #dmsf_attachments_fields .ajax-loading input.filename {background:url(../../../images/loading.gif) no-repeat 0px 50%;}
 #dmsf_attachments_fields div.ui-progressbar { width: 100px; height:14px; margin: 2px 0 -5px 8px; display: inline-block; }
 
+#dmsf_links_fields span {display:block; white-space:nowrap;}
+#dmsf_links_fields input.filename {border:0; height:1.8em; width:250px; color:#555; background-color:inherit; background:url(../../../images/link.png) no-repeat 1px 50%; padding-left:18px;}
diff --git a/config/routes.rb b/config/routes.rb
index d9c4ed67..0b520590 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -151,6 +151,8 @@ if Redmine::Plugin.installed? :redmine_dmsf
     resources :dmsf_links do
       member do
         get 'restore'
+        get 'autocomplete_for_project'
+        get 'autocomplete_for_folder'
       end
     end
 
diff --git a/init.rb b/init.rb
index cbeb5bb9..e6eeb30b 100644
--- a/init.rb
+++ b/init.rb
@@ -89,7 +89,7 @@ Redmine::Plugin.register :redmine_dmsf do
     permission :file_manipulation, 
       { :dmsf_files => [:create_revision, :lock, :unlock, :delete_revision, :notify_activate, :notify_deactivate, :restore],
         :dmsf_upload => [:upload_files, :upload_file, :upload, :commit_files, :commit, :delete_dmsf_attachment],
-        :dmsf_links => [:new, :create, :destroy, :restore] }
+        :dmsf_links => [:new, :create, :destroy, :restore,  :autocomplete_for_project, :autocomplete_for_folder] }
     permission :file_delete, 
       { :dmsf => [:trash, :delete_entries], 
         :dmsf_files => [:delete] }
diff --git a/lib/redmine_dmsf/hooks/controllers/issues_controller_hooks.rb b/lib/redmine_dmsf/hooks/controllers/issues_controller_hooks.rb
index 55196d28..95997bc7 100644
--- a/lib/redmine_dmsf/hooks/controllers/issues_controller_hooks.rb
+++ b/lib/redmine_dmsf/hooks/controllers/issues_controller_hooks.rb
@@ -59,6 +59,7 @@ module RedmineDmsf
           issue = context[:issue]
           params = context[:params]
           issue.save_dmsf_attachments(params[:dmsf_attachments])
+          issue.save_dmsf_links(params[:dmsf_links])
         end
       end
 
@@ -85,6 +86,21 @@ module RedmineDmsf
             DmsfUploadHelper.commit_files_internal uploaded_files, issue.project, system_folder,
              context[:controller]
           end
+          dmsf_links = params[:dmsf_links]
+          if dmsf_links && dmsf_links.is_a?(Hash)
+            system_folder = issue.system_folder(true)
+            ids = dmsf_links.map(&:last)
+            ids.each do |id|
+              l = DmsfLink.find_by_id(id)
+              if l
+                l.project_id = system_folder.project_id
+                l.dmsf_folder_id = system_folder.id
+                if l.save
+                  issue.dmsf_file_added l.target_file
+                end
+              end
+            end
+          end
         end
       end
                   
diff --git a/lib/redmine_dmsf/hooks/views/issue_view_hooks.rb b/lib/redmine_dmsf/hooks/views/issue_view_hooks.rb
index 3d27624a..9ef24dd0 100644
--- a/lib/redmine_dmsf/hooks/views/issue_view_hooks.rb
+++ b/lib/redmine_dmsf/hooks/views/issue_view_hooks.rb
@@ -49,7 +49,8 @@ module RedmineDmsf
           if User.current.allowed_to?(:view_dmsf_files, issue.project) &&
             Setting.plugin_redmine_dmsf['dmsf_act_as_attachable']
             context[:controller].send(:render_to_string, {:partial => 'dmsf_files/links',
-              :locals => { :dmsf_files => issue.dmsf_files.to_a, :thumbnails => Setting.thumbnails_enabled? }})
+              :locals => { :dmsf_files => issue.dmsf_files, :dmsf_links => issue.dmsf_links,
+                           :thumbnails => Setting.thumbnails_enabled? }})
           end
         end
       end
diff --git a/lib/redmine_dmsf/patches/issue_patch.rb b/lib/redmine_dmsf/patches/issue_patch.rb
index f3857de2..1437f3e7 100644
--- a/lib/redmine_dmsf/patches/issue_patch.rb
+++ b/lib/redmine_dmsf/patches/issue_patch.rb
@@ -34,10 +34,12 @@ module RedmineDmsf
 
         def save_dmsf_attachments(dmsf_attachments)
           @saved_dmsf_attachments = []
-          dmsf_attachments = dmsf_attachments.map(&:last)
-          dmsf_attachments.each do |dmsf_attachment|
-            a = Attachment.find_by_token(dmsf_attachment[:token])
-            @saved_dmsf_attachments << a if a
+          if dmsf_attachments
+            dmsf_attachments = dmsf_attachments.map(&:last)
+            dmsf_attachments.each do |dmsf_attachment|
+              a = Attachment.find_by_token(dmsf_attachment[:token])
+              @saved_dmsf_attachments << a if a
+            end
           end
         end
 
@@ -45,6 +47,21 @@ module RedmineDmsf
           @saved_dmsf_attachments || []
         end
 
+        def save_dmsf_links(dmsf_links)
+          @saved_dmsf_links = []
+          if dmsf_links
+            ids = dmsf_links.map(&:last)
+            ids.each do |id|
+              l = DmsfLink.find_by_id(id)
+              @saved_dmsf_links << l if l
+            end
+          end
+        end
+
+        def saved_dmsf_links
+          @saved_dmsf_links || []
+        end
+
         def system_folder(create = false)
           parent = DmsfFolder.system.where(:project_id => self.project_id, :title => '.Issues').first
           if create && !parent
@@ -73,8 +90,21 @@ module RedmineDmsf
         end
 
         def dmsf_files
+          files = []
           folder = self.system_folder
-          folder.dmsf_files if folder
+          if folder
+            files = folder.dmsf_files.to_a
+          end
+          files
+        end
+
+        def dmsf_links
+          links = []
+          folder = self.system_folder
+          if folder
+            links = folder.dmsf_links
+          end
+          links
         end
 
         def delete_system_folder
@@ -105,6 +135,7 @@ module RedmineDmsf
           )
           current_journal.save
         end
+
       end
 
     end
diff --git a/lib/tasks/dmsf_maintenance.rake b/lib/tasks/dmsf_maintenance.rake
index b69c7322..16b8f2d8 100644
--- a/lib/tasks/dmsf_maintenance.rake
+++ b/lib/tasks/dmsf_maintenance.rake
@@ -18,10 +18,11 @@
 
 desc <<-END_DESC
 DMSF maintenance task
-  * Remove all files and folders with no database record from the document directory
+  * Remove all files with no database record from the document directory
+  * Remove all links project_id = -1 (added links to an issue which hasn't been created)
 
 Available options:
-  *dry_run - No physical deletion but to list of all unused files and folders only
+  *dry_run - No physical deletion but to list of all unused files only
 
 Example:
   rake redmine:dmsf_maintenance RAILS_ENV="production"
@@ -34,7 +35,7 @@ namespace :redmine do
     begin
       STDERR.puts "\n"
       Dir.chdir(DmsfFile.storage_path)       
-      m.files      
+      m.files
       if m.dry_run
         m.result
       else
@@ -54,54 +55,41 @@ class DmsfMaintenance
   
   def initialize
     @dry_run = ENV['dry_run']
-    @folders_to_delete = Array.new
     @files_to_delete = Array.new
   end 
   
   def files        
     Dir.glob("**/*").each do |f|      
-      if Dir.exist?(f)
-        check_dir f
-      else
+      unless Dir.exist?(f)
         check_file f
       end      
     end   
   end
   
-  def result    
-    if (@files_to_delete.count == 0) && (@folders_to_delete.count == 0)
-      puts "\nNo orphens!\n\n"
-      return
-    end
+  def result
     # Files    
     size = 0
     @files_to_delete.each{ |f| size += File.size(f) }    
-    puts "\n#{@files_to_delete.count} files havn't got a coresponding revision and can be deleted"
-    puts "#{number_to_human_size(size)} can be released\n\n"
-    
-    # Projects    
-    puts "\n#{@folders_to_delete.count} directories havn't got coresponding projects and can be deleted\n\n" if(@folders_to_delete.count > 0)
+    puts "\n#{@files_to_delete.count} files havn't got a coresponding revision and can be deleted."
+    puts "#{number_to_human_size(size)} can be released.\n\n"
+    # Links
+    size = DmsfLink.where(:project_id => -1).count
+    puts "#{size} links can be deleted.\n\n"
   end
   
-  def clean  
-    if (@files_to_delete.count == 0) && (@folders_to_delete.count == 0)
-      puts "\nNo orphens!\n\n"
-      return
-    end
+  def clean
     # Files    
     size = 0
     @files_to_delete.each do |f|            
       size += File.size(f)
       File.delete f
     end 
-    puts "\n#{@files_to_delete.count} files hadn't got a coresponding revision and have been be deleted" if(@files_to_delete.count > 0)
-    puts "#{number_to_human_size(size)} has been released\n\n" if(@files_to_delete.count > 0)
-    
-    # Projects    
-    @folders_to_delete.each do |d|      
-      Dir.delete d
-    end
-    puts "\n#{@folders_to_delete.count} directories hadn't got a coresponding projects and have been deleted\n\n" if(@folders_to_delete.count > 0)
+    puts "\n#{@files_to_delete.count} files hadn't got a coresponding revision and have been be deleted."
+    puts "#{number_to_human_size(size)} has been released\n\n"
+    # Links
+    size = DmsfLink.where(:project_id => -1).count
+    DmsfLink.delete_all(:project_id => -1)
+    puts "#{size} links have been deleted.\n\n"
   end
   
   private
@@ -118,18 +106,5 @@ class DmsfMaintenance
       STDERR.puts "\t#{file} doesn't seem to be a DMSF file!"
     end
   end
-  
-  def check_dir(directory)   
-    name = Pathname.new(directory).basename.to_s
-    if name =~ /^p_(.*)/      
-      p = Project.find_by_identifier $1
-      unless p
-        @folders_to_delete << name 
-        puts "\t#{name}"
-      end
-    else
-      STDERR.puts "\t#{directory} doesn't seem to be a DMSF folder!"
-    end             
-  end
 
 end
\ No newline at end of file