diff --git a/app/controllers/admin_controller.rb b/app/controllers/admin_controller.rb
index 8118457..9842ec0 100644
--- a/app/controllers/admin_controller.rb
+++ b/app/controllers/admin_controller.rb
@@ -34,7 +34,10 @@ class AdminController < ApplicationController
 
     scope = Project.status(@status).sorted
     scope = scope.like(params[:name]) if params[:name].present?
-    @projects = scope.to_a
+
+    @project_count = scope.count
+    @project_pages = Paginator.new @project_count, per_page_option, params['page']
+    @projects = scope.limit(@project_pages.per_page).offset(@project_pages.offset).to_a
 
     render :action => "projects", :layout => false if request.xhr?
   end
diff --git a/app/controllers/projects_controller.rb b/app/controllers/projects_controller.rb
index 07d664e..5224388 100644
--- a/app/controllers/projects_controller.rb
+++ b/app/controllers/projects_controller.rb
@@ -192,14 +192,14 @@ class ProjectsController < ApplicationController
     unless @project.archive
       flash[:error] = l(:error_can_not_archive_project)
     end
-    redirect_to admin_projects_path(:status => params[:status])
+    redirect_to_referer_or admin_projects_path(:status => params[:status])
   end
 
   def unarchive
     unless @project.active?
       @project.unarchive
     end
-    redirect_to admin_projects_path(:status => params[:status])
+    redirect_to_referer_or admin_projects_path(:status => params[:status])
   end
 
   def close
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 1b32738..4a421b1 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -371,8 +371,8 @@ module ApplicationHelper
   # Yields the given block for each project with its level in the tree
   #
   # Wrapper for Project#project_tree
-  def project_tree(projects, &block)
-    Project.project_tree(projects, &block)
+  def project_tree(projects, options={}, &block)
+    Project.project_tree(projects, options, &block)
   end
 
   def principals_check_box_tags(name, principals)
diff --git a/app/models/project.rb b/app/models/project.rb
index 2fc35ec..c35a867 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -816,8 +816,11 @@ class Project < ActiveRecord::Base
   end
 
   # Yields the given block for each project with its level in the tree
-  def self.project_tree(projects, &block)
+  def self.project_tree(projects, options={}, &block)
     ancestors = []
+    if options[:init_level] && projects.first
+      ancestors = projects.first.ancestors.to_a
+    end
     projects.sort_by(&:lft).each do |project|
       while (ancestors.any? && !project.is_descendant_of?(ancestors.last))
         ancestors.pop
diff --git a/app/views/admin/projects.html.erb b/app/views/admin/projects.html.erb
index 0437f9e..91d1cc7 100644
--- a/app/views/admin/projects.html.erb
+++ b/app/views/admin/projects.html.erb
@@ -25,7 +25,7 @@
   <th></th>
   </tr></thead>
   <tbody>
-<% project_tree(@projects) do |project, level| %>
+<% project_tree(@projects, :init_level => true) do |project, level| %>
   <tr class="<%= cycle("odd", "even") %> <%= project.css_classes %> <%= level > 0 ? "idnt idnt-#{level}" : nil %>">
   <td class="name"><span><%= link_to_project_settings(project, {}, :title => project.short_description) %></span></td>
   <td><%= checked_image project.is_public? %></td>
@@ -41,3 +41,4 @@
   </tbody>
 </table>
 </div>
+<span class="pagination"><%= pagination_links_full @project_pages, @project_count %></span>
\ No newline at end of file