diff --git a/app/controllers/ticket_overviews_controller.rb b/app/controllers/ticket_overviews_controller.rb
index ac3cdeb09..97ff4b23f 100644
--- a/app/controllers/ticket_overviews_controller.rb
+++ b/app/controllers/ticket_overviews_controller.rb
@@ -8,7 +8,7 @@ class TicketOverviewsController < ApplicationController
 
     # get navbar overview data
     if !params[:view]
-      result = Ticket.overview(
+      result = Ticket::Overview.list(
         :current_user => current_user,
       )
       render :json => result
@@ -17,7 +17,7 @@ class TicketOverviewsController < ApplicationController
 
     # get real overview data
     if params[:array]
-      overview = Ticket.overview(
+      overview = Ticket::Overview.list(
         :view         => params[:view],
         :current_user => current_user,
         :array        => true,
@@ -36,7 +36,7 @@ class TicketOverviewsController < ApplicationController
       }
       return
     end
-    overview = Ticket.overview(
+    overview = Ticket::Overview.list(
       :view         => params[:view],
       #      :view_mode    => params[:view_mode],
       :current_user => User.find( current_user.id ),
diff --git a/app/models/ticket.rb b/app/models/ticket.rb
index b8ad95db8..a4c0ab51c 100644
--- a/app/models/ticket.rb
+++ b/app/models/ticket.rb
@@ -23,6 +23,7 @@ class Ticket < ApplicationModel
   belongs_to    :create_article_sender, :class_name => 'Ticket::Article::Sender'
 
   include Ticket::Escalation
+  include Ticket::Subject
 
   attr_accessor :callback_loop
 
@@ -122,7 +123,8 @@ class Ticket < ApplicationModel
 
 merge tickets
 
-  result = Ticket.find(123).merge_to(
+  ticket = Ticket.find(123)
+  result = ticket.merge_to(
     :ticket_id => 123,
   )
 
@@ -171,80 +173,6 @@ returns
 
 =begin
 
-build new subject with ticket number in there
-
-  ticket = Ticket.find(123)
-  result = ticket.subject_build('some subject')
-
-returns
-
-  result = "[Ticket#1234567] some subject"
-
-=end
-
-  def subject_build (subject)
-
-    # clena subject
-    subject = self.subject_clean(subject)
-
-    ticket_hook         = Setting.get('ticket_hook')
-    ticket_hook_divider = Setting.get('ticket_hook_divider')
-
-    # none position
-    if Setting.get('ticket_hook_position') == 'none'
-      return subject
-    end
-
-    # right position
-    if Setting.get('ticket_hook_position') == 'right'
-      return subject + " [#{ticket_hook}#{ticket_hook_divider}#{self.number}] "
-    end
-
-    # left position
-    return "[#{ticket_hook}#{ticket_hook_divider}#{self.number}] " + subject
-  end
-
-=begin
-
-clean subject remove ticket number and other not needed chars
-
-  ticket = Ticket.find(123)
-  result = ticket.subject_clean('[Ticket#1234567] some subject')
-
-returns
-
-  result = "some subject"
-
-=end
-
-  def subject_clean (subject)
-    ticket_hook         = Setting.get('ticket_hook')
-    ticket_hook_divider = Setting.get('ticket_hook_divider')
-    ticket_subject_size = Setting.get('ticket_subject_size')
-
-    # remove all possible ticket hook formats with []
-    subject = subject.gsub /\[#{ticket_hook}: #{self.number}\](\s+?|)/, ''
-    subject = subject.gsub /\[#{ticket_hook}:#{self.number}\](\s+?|)/, ''
-    subject = subject.gsub /\[#{ticket_hook}#{ticket_hook_divider}#{self.number}\](\s+?|)/, ''
-
-    # remove all possible ticket hook formats without []
-    subject = subject.gsub /#{ticket_hook}: #{self.number}(\s+?|)/, ''
-    subject = subject.gsub /#{ticket_hook}:#{self.number}(\s+?|)/, ''
-    subject = subject.gsub /#{ticket_hook}#{ticket_hook_divider}#{self.number}(\s+?|)/, ''
-
-    # remove leading "..:\s" and "..[\d+]:\s" e. g. "Re: " or "Re[5]: "
-    subject = subject.gsub /^(..(\[\d+\])?:\s)+/, ''
-
-    # resize subject based on config
-    if subject.length > ticket_subject_size.to_i
-      subject = subject[ 0, ticket_subject_size.to_i ] + '[...]'
-    end
-
-    return subject
-  end
-
-=begin
-
 check if user has access to ticket
 
   ticket = Ticket.find(123)
@@ -342,249 +270,6 @@ returns
     return tickets
   end
 
-=begin
-
-overview list
-
-  result = Ticket.overview_list(
-    :current_user => User.find(123),
-  )
-
-returns
-
-  result = [overview1, overview2]
-
-=end
-
-  def self.overview_list (data)
-
-    # get customer overviews
-    if data[:current_user].is_role('Customer')
-      role = data[:current_user].is_role( 'Customer' )
-      if data[:current_user].organization_id && data[:current_user].organization.shared
-        overviews = Overview.where( :role_id => role.id, :active => true )
-      else
-        overviews = Overview.where( :role_id => role.id, :organization_shared => false, :active => true )
-      end
-      return overviews
-    end
-
-    # get agent overviews
-    role = data[:current_user].is_role( 'Agent' )
-    overviews = Overview.where( :role_id => role.id, :active => true )
-    return overviews
-  end
-
-=begin
-
-search tickets
-
-  result = Ticket.overview_list(
-    :current_user => User.find(123),
-    :view         => 'some_view_url',
-  )
-
-returns
-
-  result = {
-    :tickets       => tickets,                # [ticket1, ticket2, ticket3]
-    :tickets_count => tickets_count,          # count of tickets
-    :overview      => overview_selected_raw,  # overview attributes
-  }
-
-=end
-
-  def self.overview (data)
-
-    overviews = self.overview_list(data)
-
-    # build up attributes hash
-    overview_selected     = nil
-    overview_selected_raw = nil
-
-    overviews.each { |overview|
-
-      # remember selected view
-      if data[:view] && data[:view] == overview.link
-        overview_selected     = overview
-        overview_selected_raw = Marshal.load( Marshal.dump(overview.attributes) )
-      end
-
-      # replace e.g. 'current_user.id' with current_user.id
-      overview.condition.each { |item, value |
-        if value && value.class.to_s == 'String'
-          parts = value.split( '.', 2 )
-          if parts[0] && parts[1] && parts[0] == 'current_user'
-            overview.condition[item] = data[:current_user][parts[1].to_sym]
-          end
-        end
-      }
-    }
-
-    if data[:view] && !overview_selected
-      return
-    end
-
-    # sortby
-    # prio
-    # state
-    # group
-    # customer
-
-    # order
-    # asc
-    # desc
-
-    # groupby
-    # prio
-    # state
-    # group
-    # customer
-
-    #    all = attributes[:myopenassigned]
-    #    all.merge( { :group_id => groups } )
-
-    #    @tickets = Ticket.where(:group_id => groups, attributes[:myopenassigned] ).limit(params[:limit])
-    # get only tickets with permissions
-    if data[:current_user].is_role('Customer')
-      group_ids = Group.select( 'groups.id' ).
-      where( 'groups.active = ?', true ).
-      map( &:id )
-    else
-      group_ids = Group.select( 'groups.id' ).joins(:users).
-      where( 'groups_users.user_id = ?', [ data[:current_user].id ] ).
-      where( 'groups.active = ?', true ).
-      map( &:id )
-    end
-
-    # overview meta for navbar
-    if !overview_selected
-
-      # loop each overview
-      result = []
-      overviews.each { |overview|
-
-        # get count
-        count = Ticket.where( :group_id => group_ids ).where( self._condition( overview.condition ) ).count()
-
-        # get meta info
-        all = {
-          :name => overview.name,
-          :prio => overview.prio,
-          :link => overview.link,
-        }
-
-        # push to result data
-        result.push all.merge( { :count => count } )
-      }
-      return result
-    end
-
-    # get result list
-    if data[:array]
-      order_by = overview_selected[:order][:by].to_s + ' ' + overview_selected[:order][:direction].to_s
-      if overview_selected.group_by && !overview_selected.group_by.empty?
-        order_by = overview_selected.group_by + '_id, ' + order_by
-      end
-      tickets = Ticket.select( 'id' ).
-      where( :group_id => group_ids ).
-      where( self._condition( overview_selected.condition ) ).
-      order( order_by ).
-      limit( 500 )
-
-      ticket_ids = []
-      tickets.each { |ticket|
-        ticket_ids.push ticket.id
-      }
-
-      tickets_count = Ticket.where( :group_id => group_ids ).
-      where( self._condition( overview_selected.condition ) ).
-      count()
-
-      return {
-        :ticket_list   => ticket_ids,
-        :tickets_count => tickets_count,
-        :overview      => overview_selected_raw,
-      }
-    end
-
-    # get tickets for overview
-    data[:start_page] ||= 1
-    tickets = Ticket.where( :group_id => group_ids ).
-    where( self._condition( overview_selected.condition ) ).
-    order( overview_selected[:order][:by].to_s + ' ' + overview_selected[:order][:direction].to_s )#.
-    #      limit( overview_selected.view[ data[:view_mode].to_sym ][:per_page] ).
-    #      offset( overview_selected.view[ data[:view_mode].to_sym ][:per_page].to_i * ( data[:start_page].to_i - 1 ) )
-
-    tickets_count = Ticket.where( :group_id => group_ids ).
-    where( self._condition( overview_selected.condition ) ).
-    count()
-
-    return {
-      :tickets       => tickets,
-      :tickets_count => tickets_count,
-      :overview      => overview_selected_raw,
-    }
-
-  end
-  def self._condition(condition)
-    sql  = ''
-    bind = [nil]
-    condition.each {|key, value|
-      if sql != ''
-        sql += ' AND '
-      end
-      if value.class == Array
-        sql += " #{key} IN (?)"
-        bind.push value
-      elsif value.class == Hash || value.class == ActiveSupport::HashWithIndifferentAccess
-        time = Time.now
-        if value['area'] == 'minute'
-          if value['direction'] == 'last'
-            time -= value['count'].to_i * 60
-          else
-            time += value['count'].to_i * 60
-          end
-        elsif value['area'] == 'hour'
-          if value['direction'] == 'last'
-            time -= value['count'].to_i * 60 * 60
-          else
-            time += value['count'].to_i * 60 * 60
-          end
-        elsif value['area'] == 'day'
-          if value['direction'] == 'last'
-            time -= value['count'].to_i * 60 * 60 * 24
-          else
-            time += value['count'].to_i * 60 * 60 * 24
-          end
-        elsif value['area'] == 'month'
-          if value['direction'] == 'last'
-            time -= value['count'].to_i * 60 * 60 * 24 * 31
-          else
-            time += value['count'].to_i * 60 * 60 * 24 * 31
-          end
-        elsif value['area'] == 'year'
-          if value['direction'] == 'last'
-            time -= value['count'].to_i * 60 * 60 * 24 * 365
-          else
-            time += value['count'].to_i * 60 * 60 * 24 * 365
-          end
-        end
-        if value['direction'] == 'last'
-          sql += " #{key} > ?"
-          bind.push time
-        else
-          sql += " #{key} < ?"
-          bind.push time
-        end
-      else
-        sql += " #{key} = ?"
-        bind.push value
-      end
-    }
-    bind[0] = sql
-    return bind
-  end
 
 =begin
 
diff --git a/app/models/ticket/overview.rb b/app/models/ticket/overview.rb
new file mode 100644
index 000000000..3bf731452
--- /dev/null
+++ b/app/models/ticket/overview.rb
@@ -0,0 +1,253 @@
+# Copyright (C) 2012-2013 Zammad Foundation, http://zammad-foundation.org/
+
+require 'Overview'
+
+class Ticket::Overview
+
+=begin
+
+all overview by user
+
+  result = Ticket::Overview.all(
+    :current_user => User.find(123),
+  )
+
+returns
+
+  result = [overview1, overview2]
+
+=end
+
+  def self.all (data)
+
+    # get customer overviews
+    if data[:current_user].is_role('Customer')
+      role = data[:current_user].is_role( 'Customer' )
+      if data[:current_user].organization_id && data[:current_user].organization.shared
+        overviews = Overview.where( :role_id => role.id, :active => true )
+      else
+        overviews = Overview.where( :role_id => role.id, :organization_shared => false, :active => true )
+      end
+      return overviews
+    end
+
+    # get agent overviews
+    role = data[:current_user].is_role( 'Agent' )
+    overviews = Overview.where( :role_id => role.id, :active => true )
+    return overviews
+  end
+
+=begin
+
+selected overview by user
+
+  result = Ticket::Overview.list(
+    :current_user => User.find(123),
+    :view         => 'some_view_url',
+  )
+
+returns
+
+  result = {
+    :tickets       => tickets,                # [ticket1, ticket2, ticket3]
+    :tickets_count => tickets_count,          # count of tickets
+    :overview      => overview_selected_raw,  # overview attributes
+  }
+
+=end
+
+  def self.list (data)
+
+    overviews = self.all(data)
+
+    # build up attributes hash
+    overview_selected     = nil
+    overview_selected_raw = nil
+
+    overviews.each { |overview|
+
+      # remember selected view
+      if data[:view] && data[:view] == overview.link
+        overview_selected     = overview
+        overview_selected_raw = Marshal.load( Marshal.dump(overview.attributes) )
+      end
+
+      # replace e.g. 'current_user.id' with current_user.id
+      overview.condition.each { |item, value |
+        if value && value.class.to_s == 'String'
+          parts = value.split( '.', 2 )
+          if parts[0] && parts[1] && parts[0] == 'current_user'
+            overview.condition[item] = data[:current_user][parts[1].to_sym]
+          end
+        end
+      }
+    }
+
+    if data[:view] && !overview_selected
+      raise "No such view '#{ data[:view] }'"
+    end
+
+    # sortby
+    # prio
+    # state
+    # group
+    # customer
+
+    # order
+    # asc
+    # desc
+
+    # groupby
+    # prio
+    # state
+    # group
+    # customer
+
+    #    all = attributes[:myopenassigned]
+    #    all.merge( { :group_id => groups } )
+
+    #    @tickets = Ticket.where(:group_id => groups, attributes[:myopenassigned] ).limit(params[:limit])
+    # get only tickets with permissions
+    if data[:current_user].is_role('Customer')
+      group_ids = Group.select( 'groups.id' ).
+      where( 'groups.active = ?', true ).
+      map( &:id )
+    else
+      group_ids = Group.select( 'groups.id' ).joins(:users).
+      where( 'groups_users.user_id = ?', [ data[:current_user].id ] ).
+      where( 'groups.active = ?', true ).
+      map( &:id )
+    end
+
+    # overview meta for navbar
+    if !overview_selected
+
+      # loop each overview
+      result = []
+      overviews.each { |overview|
+
+        # get count
+        count = Ticket.where( :group_id => group_ids ).where( _condition( overview.condition ) ).count()
+
+        # get meta info
+        all = {
+          :name => overview.name,
+          :prio => overview.prio,
+          :link => overview.link,
+        }
+
+        # push to result data
+        result.push all.merge( { :count => count } )
+      }
+      return result
+    end
+
+    # get result list
+    if data[:array]
+      order_by = overview_selected[:order][:by].to_s + ' ' + overview_selected[:order][:direction].to_s
+      if overview_selected.group_by && !overview_selected.group_by.empty?
+        order_by = overview_selected.group_by + '_id, ' + order_by
+      end
+      tickets = Ticket.select( 'id' ).
+      where( :group_id => group_ids ).
+      where( _condition( overview_selected.condition ) ).
+      order( order_by ).
+      limit( 500 )
+
+      ticket_ids = []
+      tickets.each { |ticket|
+        ticket_ids.push ticket.id
+      }
+
+      tickets_count = Ticket.where( :group_id => group_ids ).
+      where( _condition( overview_selected.condition ) ).
+      count()
+
+      return {
+        :ticket_list   => ticket_ids,
+        :tickets_count => tickets_count,
+        :overview      => overview_selected_raw,
+      }
+    end
+
+    # get tickets for overview
+    data[:start_page] ||= 1
+    tickets = Ticket.where( :group_id => group_ids ).
+    where( _condition( overview_selected.condition ) ).
+    order( overview_selected[:order][:by].to_s + ' ' + overview_selected[:order][:direction].to_s )#.
+    #      limit( overview_selected.view[ data[:view_mode].to_sym ][:per_page] ).
+    #      offset( overview_selected.view[ data[:view_mode].to_sym ][:per_page].to_i * ( data[:start_page].to_i - 1 ) )
+
+    tickets_count = Ticket.where( :group_id => group_ids ).
+    where( _condition( overview_selected.condition ) ).
+    count()
+
+    return {
+      :tickets       => tickets,
+      :tickets_count => tickets_count,
+      :overview      => overview_selected_raw,
+    }
+
+  end
+
+  private
+    def self._condition(condition)
+      sql  = ''
+      bind = [nil]
+      condition.each {|key, value|
+        if sql != ''
+          sql += ' AND '
+        end
+        if value.class == Array
+          sql += " #{key} IN (?)"
+          bind.push value
+        elsif value.class == Hash || value.class == ActiveSupport::HashWithIndifferentAccess
+          time = Time.now
+          if value['area'] == 'minute'
+            if value['direction'] == 'last'
+              time -= value['count'].to_i * 60
+            else
+              time += value['count'].to_i * 60
+            end
+          elsif value['area'] == 'hour'
+            if value['direction'] == 'last'
+              time -= value['count'].to_i * 60 * 60
+            else
+              time += value['count'].to_i * 60 * 60
+            end
+          elsif value['area'] == 'day'
+            if value['direction'] == 'last'
+              time -= value['count'].to_i * 60 * 60 * 24
+            else
+              time += value['count'].to_i * 60 * 60 * 24
+            end
+          elsif value['area'] == 'month'
+            if value['direction'] == 'last'
+              time -= value['count'].to_i * 60 * 60 * 24 * 31
+            else
+              time += value['count'].to_i * 60 * 60 * 24 * 31
+            end
+          elsif value['area'] == 'year'
+            if value['direction'] == 'last'
+              time -= value['count'].to_i * 60 * 60 * 24 * 365
+            else
+              time += value['count'].to_i * 60 * 60 * 24 * 365
+            end
+          end
+          if value['direction'] == 'last'
+            sql += " #{key} > ?"
+            bind.push time
+          else
+            sql += " #{key} < ?"
+            bind.push time
+          end
+        else
+          sql += " #{key} = ?"
+          bind.push value
+        end
+      }
+      bind[0] = sql
+      return bind
+    end
+
+end
\ No newline at end of file
diff --git a/app/models/ticket/subject.rb b/app/models/ticket/subject.rb
new file mode 100644
index 000000000..ff3c491b1
--- /dev/null
+++ b/app/models/ticket/subject.rb
@@ -0,0 +1,78 @@
+# Copyright (C) 2012-2013 Zammad Foundation, http://zammad-foundation.org/
+
+module Ticket::Subject
+
+=begin
+
+build new subject with ticket number in there
+
+  ticket = Ticket.find(123)
+  result = ticket.subject_build('some subject')
+
+returns
+
+  result = "[Ticket#1234567] some subject"
+
+=end
+
+  def subject_build (subject)
+
+    # clena subject
+    subject = self.subject_clean(subject)
+
+    ticket_hook         = Setting.get('ticket_hook')
+    ticket_hook_divider = Setting.get('ticket_hook_divider')
+
+    # none position
+    if Setting.get('ticket_hook_position') == 'none'
+      return subject
+    end
+
+    # right position
+    if Setting.get('ticket_hook_position') == 'right'
+      return subject + " [#{ticket_hook}#{ticket_hook_divider}#{self.number}] "
+    end
+
+    # left position
+    return "[#{ticket_hook}#{ticket_hook_divider}#{self.number}] " + subject
+  end
+
+=begin
+
+clean subject remove ticket number and other not needed chars
+
+  ticket = Ticket.find(123)
+  result = ticket.subject_clean('[Ticket#1234567] some subject')
+
+returns
+
+  result = "some subject"
+
+=end
+
+  def subject_clean (subject)
+    ticket_hook         = Setting.get('ticket_hook')
+    ticket_hook_divider = Setting.get('ticket_hook_divider')
+    ticket_subject_size = Setting.get('ticket_subject_size')
+
+    # remove all possible ticket hook formats with []
+    subject = subject.gsub /\[#{ticket_hook}: #{self.number}\](\s+?|)/, ''
+    subject = subject.gsub /\[#{ticket_hook}:#{self.number}\](\s+?|)/, ''
+    subject = subject.gsub /\[#{ticket_hook}#{ticket_hook_divider}#{self.number}\](\s+?|)/, ''
+
+    # remove all possible ticket hook formats without []
+    subject = subject.gsub /#{ticket_hook}: #{self.number}(\s+?|)/, ''
+    subject = subject.gsub /#{ticket_hook}:#{self.number}(\s+?|)/, ''
+    subject = subject.gsub /#{ticket_hook}#{ticket_hook_divider}#{self.number}(\s+?|)/, ''
+
+    # remove leading "..:\s" and "..[\d+]:\s" e. g. "Re: " or "Re[5]: "
+    subject = subject.gsub /^(..(\[\d+\])?:\s)+/, ''
+
+    # resize subject based on config
+    if subject.length > ticket_subject_size.to_i
+      subject = subject[ 0, ticket_subject_size.to_i ] + '[...]'
+    end
+
+    return subject
+  end
+end
\ No newline at end of file
diff --git a/lib/session.rb b/lib/session.rb
index 01a9ec569..333239b42 100644
--- a/lib/session.rb
+++ b/lib/session.rb
@@ -395,7 +395,7 @@ class UserState
       # overview
       cache_key = @cache_key + '_overview'
       if CacheIn.expired(cache_key)
-        overview = Ticket.overview(
+        overview = Ticket::Overview.list(
           :current_user => user,
         )
         overview_cache = CacheIn.get( cache_key, { :re_expire => true } )
@@ -405,20 +405,19 @@ class UserState
 #          puts overview.inspect
 #          puts '------'
 #          puts overview_cache.inspect
-          CacheIn.set( cache_key, overview, { :expires_in => 3.seconds } )
+          CacheIn.set( cache_key, overview, { :expires_in => 4.seconds } )
         end
       end
 
       # overview lists
-      overviews = Ticket.overview_list(
+      overviews = Ticket::Overview.all(
         :current_user => user,
       )
       overviews.each { |overview|
         cache_key = @cache_key + '_overview_data_' + overview.link
         if CacheIn.expired(cache_key)
-          overview_data = Ticket.overview(
+          overview_data = Ticket::Overview.list(
             :view         => overview.link,
-#            :view_mode    => params[:view_mode],
             :current_user => user,
             :array        => true,
           )
@@ -638,7 +637,7 @@ class ClientState
       end
 
       # overview_data
-      overviews = Ticket.overview_list(
+      overviews = Ticket::Overview.all(
         :current_user => user,
       )
       overviews.each { |overview|