diff --git a/app/models/category.rb b/app/models/category.rb
index e537d58..01bd36b 100644
--- a/app/models/category.rb
+++ b/app/models/category.rb
@@ -5,6 +5,9 @@ class Category < ActiveRecord::Base
   validates_uniqueness_of :slug,:scope => [ :environment_id, :parent_id ], :message => N_('%{fn} is already being used by another category.')
   belongs_to :environment
 
+  validates_inclusion_of :display_color, :in => [ 1, 2, 3, 4, nil ]
+  validates_uniqueness_of :display_color, :scope => :environment_id, :if => (lambda { |cat| ! cat.display_color.nil? }), :message => N_('%{fn} was already assigned to another category.')
+
   acts_as_tree :order => 'name'
 
   def full_name(sep = '/')
diff --git a/app/views/categories/_form.rhtml b/app/views/categories/_form.rhtml
index c99f7de..e8629e0 100644
--- a/app/views/categories/_form.rhtml
+++ b/app/views/categories/_form.rhtml
@@ -5,6 +5,19 @@
     <%= hidden_field_tag('parent_id', @category.parent.id) %>
   <% end %>
 
+  <% if @category.top_level? %>
+    <%
+      options = [
+        [ _('Do not display at the menu'), nil ],
+        [ _('Blue'), 1 ],
+        [ _('Red'), 2 ],
+        [ _('Green'), 3 ],
+        [ _('Orange'), 4 ],
+      ]
+    %>
+    <%= labelled_form_field(_('Display at the menu?'), f.select('display_color', options)) %>
+  <% end %>
+
   <%= f.text_field 'name' %>
   <%= submit_tag _('Save') %>
 <% end %>
diff --git a/app/views/shared/categories_menu.rhtml b/app/views/shared/categories_menu.rhtml
index b663fa2..d0f40ae 100644
--- a/app/views/shared/categories_menu.rhtml
+++ b/app/views/shared/categories_menu.rhtml
@@ -1,58 +1,12 @@
 <ul>
-  <li id='category1' class='active'>
-   Noosfero 
-  <ul>
-    <li><a href=''><span>Iteam 1</span></a></li>
-    <li><a href=''><span>Itemdasd 2</span></a></li>
-    <li><a href=''><span>Iteaam 3</span></a></li>
-    <li><a href=''><span>Iteaam 4</span></a></li>
-    <li><a href=''><span>Itemdasds 5</span></a></li>
-    <li><a href=''><span>Itesdm 2</span></a></li>
-    <li><a href=''><span>Iteam 3</span></a></li>
-    <li><a href=''><span>Iteasdasdm 4</span></a></li>
-    <li><a href=''><span>Itesdasm 5</span></a></li>
-    <li><a href=''><span>Itesdm 2</span></a></li>
-    <li><a href=''><span>Itedsadm 3</span></a></li>
-    <li><a href=''><span>Itedsm 4</span></a></li>
-    <li><a href=''><span>Itessdsm 5</span></a></li>
-    <li><a href=''><span>Itessasm 2</span></a></li>
-    <li><a href=''><span>Isssssstesm 3</span></a></li>
-    <li><a href=''><span>Iteasdm 3</span></a></li>
-    <li><a href=''><span>Itessm 4</span></a></li>
-    <li><a href=''><span>Iteasdm 5</span></a></li>
-  </ul>
-  </li>
-
-  <li id='category2'>
-  Territorios
-  <ul>
-    <li><a href=''><span>Item 1</span></a></li>
-    <li><a href=''><span>Itssssem 2</span></a></li>
-    <li><a href=''><span>Itsssssem 3</span></a></li>
-    <li><a href=''><span>Item 4</span></a></li>
-    <li><a href=''><span>Itssssem 5</span></a></li>
-  </ul>
-  </li>
-
-  <li id='category3'>
-  Lalala
-  <ul>
-    <li><a href=''><span>Item 1</span></a></li>
-    <li><a href=''><span>Issstem 2</span></a></li>
-    <li><a href=''><span>Itsssem 3</span></a></li>
-    <li><a href=''><span>Item 4</span></a></li>
-    <li><a href=''><span>Itssem 5</span></a></li>
-  </ul>
-  </li>
-
-  <li id='category4'>
-  Lalala
-  <ul>
-    <li><a href=''><span>Iaaaatem 1</span></a></li>
-    <li><a href=''><span>Item 2</span></a></li>
-    <li><a href=''><span>Itaaaem 3</span></a></li>
-    <li><a href=''><span>Itaaem 4</span></a></li>
-    <li><a href=''><span>Itaaaaaaaaem 5</span></a></li>
-  </ul>
-  </li>
+  <% @environment.display_categories.each do |item| %>
+    <li id='category<%= item.display_color %>'>
+      <%= item.name %>
+      <ul>
+        <% item.children.each do |child| %>
+          <li><%= link_to(content_tag('span', child.name), :controller => 'category', :path => child.path) %></li>
+        <% end %>
+      </ul>
+    </li>
+  <% end %>
 </ul>
diff --git a/db/migrate/016_create_categories.rb b/db/migrate/016_create_categories.rb
index f3a3eec..9dc8b37 100644
--- a/db/migrate/016_create_categories.rb
+++ b/db/migrate/016_create_categories.rb
@@ -5,6 +5,8 @@ class CreateCategories < ActiveRecord::Migration
       t.column :slug,      :string
       t.column :path,      :text, :default => ''
 
+      t.column :display_color,   :integer
+
       t.column :environment_id, :integer
       t.column :parent_id, :integer
       t.column :type,      :string
diff --git a/test/unit/category_test.rb b/test/unit/category_test.rb
index 5502bc9..a2bd987 100644
--- a/test/unit/category_test.rb
+++ b/test/unit/category_test.rb
@@ -151,4 +151,38 @@ class CategoryTest < Test::Unit::TestCase
 
   end
 
+  should "limit the possibile display colors" do
+    c = Category.new(:name => 'test category', :environment_id => @env.id)
+
+
+    c.display_color = 10
+    c.valid?
+    assert c.errors.invalid?(:display_color)
+    
+    valid = %w[ 1 2 3 4 ].map { |item| item.to_i }
+    valid.each do |item|
+      c.display_color = item
+      c.valid?
+      assert !c.errors.invalid?(:display_color)
+    end
+
+  end
+
+  should 'avoid duplicated display colors' do
+
+    @env.categories.destroy_all
+
+    c1 = Category.create!(:name => 'test category', :environment_id => @env.id, :display_color => 1)
+
+    c = Category.new(:name => 'lalala', :environment_id => @env.id)
+    c.display_color = 1
+    assert !c.valid?
+    assert c.errors.invalid?(:display_color)
+
+    c.display_color = 2
+    c.valid?
+    assert !c.errors.invalid?(:display_color)
+    
+  end
+
 end
--
libgit2 0.21.2