diff --git a/app/controllers/projects_controller.rb b/app/controllers/projects_controller.rb
index 3726856b..53a0a259 100644
--- a/app/controllers/projects_controller.rb
+++ b/app/controllers/projects_controller.rb
@@ -355,9 +355,9 @@ class ProjectsController < ApplicationController
   end
   
    def search
-    
+    #modified by nie
     @projects = Project.visible
-    @projects = @projects.visible.like(params[:name]) if params[:name].present? 
+    @projects = @projects.visible.where('project_type = ?', params[:project_type]).like(params[:name]) if params[:name].present? 
     @offset, @limit = api_offset_and_limit({:limit => 10})
     @project_count = @projects.visible.count
     @project_pages = Paginator.new @project_count, @limit, params['page']
diff --git a/app/models/project.rb b/app/models/project.rb
index e85d5007..0e023da6 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -145,7 +145,7 @@ class Project < ActiveRecord::Base
       where(nil)
     else
       pattern = "%#{arg.to_s.strip.downcase}%"
-      where("LOWER(identifier) LIKE :p OR LOWER(name) LIKE :p", :p => pattern)
+      where("LOWER(identifier) LIKE :p OR LOWER(name) LIKE :p ", :p => pattern)
     end
   }
   
diff --git a/app/views/layouts/base_courses.html.erb b/app/views/layouts/base_courses.html.erb
index be9ae7af..25ff12a9 100644
--- a/app/views/layouts/base_courses.html.erb
+++ b/app/views/layouts/base_courses.html.erb
@@ -56,6 +56,7 @@
 												<% if @course.teacher.id == User.current.id%>
 													<%= link_to l(:label_course_settings), {:controller => 'projects', :action => 'settings', :id => @project} %>
 												<% else %>
+										
 													<%= join_in_course(@project, User.current)%></div>
 												<% end %> 
 												<% unless User.current.member_of?(@project) %>
diff --git a/app/views/projects/course.html.erb b/app/views/projects/course.html.erb
index b11d0226..864d22c7 100644
--- a/app/views/projects/course.html.erb
+++ b/app/views/projects/course.html.erb
@@ -16,6 +16,7 @@
 			<td align="right">
 			<div class="project-search">
 				<%= text_field_tag 'name', params[:name], :size => 30 %>
+				<%= hidden_field_tag 'project_type', params[:project_type] %>
 				<%= submit_tag l(:label_search), :class => "small", :name => nil %>
 			</div></td>
 		</tr>
diff --git a/app/views/projects/index.html.erb b/app/views/projects/index.html.erb
index 95a8219f..c8f11829 100644
--- a/app/views/projects/index.html.erb
+++ b/app/views/projects/index.html.erb
@@ -2,7 +2,7 @@
 <%= auto_discovery_link_tag(:atom, {:action => 'index', :format => 'atom', :key => User.current.rss_key}) %>
 <% end %>
 
-<%= form_tag(:controller => 'projects', :action => 'search', :method => :get) do %>
+<%= form_tag(:controller => 'projects', :action => "search", :method => :get) do %>
 <div class="project-search-block">
 	<table width="100%" valign="center">
 		<tr>
@@ -13,7 +13,7 @@
             <td align="right">
 			<div class="project-search">
 				<%= text_field_tag 'name', params[:name], :size => 30 %>
-				
+				<%= hidden_field_tag 'project_type', params[:project_type] %>
 				<%= submit_tag l(:label_search), :class => "small", :name => nil %>
 				
 			</div></td>
diff --git a/app/views/projects/search.html.erb b/app/views/projects/search.html.erb
index e10be86f..8671d5ad 100644
--- a/app/views/projects/search.html.erb
+++ b/app/views/projects/search.html.erb
@@ -6,12 +6,21 @@
 <div class="project-search-block">
 	<table width="100%" valign="center">
 		<tr>
-			<td width="16%"><span style="margin-left:0px"><%= l(:label_project_plural)%></span></td>
+			<td width="16%"><span style="margin-left:0px">
+				<% if params[:project_type] == '0'%>
+				<%= l(:label_project_plural)%>
+				</span></td>
 			<td valign="center"><%= link_to(l(:label_project_new), {:controller => 'projects', :action => 'new'}, :class => 'icon icon-add') if User.current.allowed_to?(:add_project, nil, :global => true) %></td>
-
+				<% else %>
+				<%= l(:label_new_course)%>
+				
+				</span></td>
+			<td valign="center"><%= link_to(l(:label_course_new), {:controller => 'projects', :action => 'new', :course => 1, :project_type => @project_type}, :class => 'icon icon-add') if User.current.allowed_to?(:add_project, nil, :global => true) %></td>
+           <% end %>
 			<td align="right">
 			<div class="project-search">
 				<%= text_field_tag 'name', params[:name], :size => 30 %>
+				<%= hidden_field_tag 'project_type', params[:project_type]%>
 				<%= submit_tag l(:label_search), :class => "small", :name => nil %>
 			</div></td>
 		</tr>
diff --git a/lib/redmine.rb b/lib/redmine.rb
index 0ec9a772..1b674d66 100644
--- a/lib/redmine.rb
+++ b/lib/redmine.rb
@@ -240,7 +240,7 @@ Redmine::MenuManager.map :top_college_menu do |menu|
   menu.push :new_course, {:controller => 'projects', :action => 'course', :project_type => 1 }
   menu.push :new_homework, {:controller => 'bids', :action => 'index', :project_type => 1 }
   menu.push :new_contest, {:controller => 'bids', :action => 'contest', :project_type => 1}
-  menu.push :projects, { :controller => 'projects', :action => 'index', :project_type => 1 }, :caption => :label_project_plural  
+  menu.push :projects, { :controller => 'projects', :action => 'index', :project_type => 0 }, :caption => :label_project_plural  
   menu.push :developer, {:controller => 'users', :action => 'index', :project_type => 1 }
   menu.push :enterprise_into, {:controller=>'projects', :action=>'enterprise_course', :project_type => 0 }
   # menu.push :investor, :home_path
diff --git a/public/images/avatars/User/4861 b/public/images/avatars/User/4861
index 0b88c913..a587c965 100644
Binary files a/public/images/avatars/User/4861 and b/public/images/avatars/User/4861 differ