diff --git a/CampusAppWP8/CampusAppWP8/CampusAppWP8.csproj b/CampusAppWP8/CampusAppWP8/CampusAppWP8.csproj
index 37189984..d0282db0 100644
--- a/CampusAppWP8/CampusAppWP8/CampusAppWP8.csproj
+++ b/CampusAppWP8/CampusAppWP8/CampusAppWP8.csproj
@@ -168,7 +168,11 @@
     <Compile Include="Utility\AppUriMapper.cs" />
     <Compile Include="Utility\BackgroundTasks.cs" />
     <Compile Include="Utility\BoolToVisibilityConverter.cs" />
+    <Compile Include="Utility\FrameworkAnimator.cs" />
+    <Compile Include="Utility\ListFiller.cs" />
+    <Compile Include="Utility\Lui\Button\AddButton.cs" />
     <Compile Include="Utility\Lui\Button\AddPersonButton.cs" />
+    <Compile Include="Utility\Lui\Button\DelButton.cs" />
     <Compile Include="Utility\Lui\Header\DefaultHeader.xaml.cs">
       <DependentUpon>DefaultHeader.xaml</DependentUpon>
     </Compile>
@@ -285,6 +289,7 @@
     <Compile Include="Pages\Dev\QRScanner.xaml.cs">
       <DependentUpon>QRScanner.xaml</DependentUpon>
     </Compile>
+    <Compile Include="Utility\PortraitLandscapePage.cs" />
     <Compile Include="Utility\Wp8StringManager.cs" />
     <Compile Include="Utility\Utilities.cs">
       <SubType>Code</SubType>
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentFavoritePage.xaml b/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentFavoritePage.xaml
index b0abbe4c..6077a8c2 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentFavoritePage.xaml
+++ b/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentFavoritePage.xaml
@@ -7,10 +7,11 @@
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:header="clr-namespace:CampusAppWP8.Utility.Lui.Header"
+    xmlns:lui="clr-namespace:CampusAppWP8.Utility.Lui.Button"
     FontFamily="{StaticResource PhoneFontFamilyNormal}"
     FontSize="{StaticResource PhoneFontSizeNormal}"
     Foreground="{StaticResource PhoneForegroundBrush}"
-    SupportedOrientations="Portrait" Orientation="Portrait"
+    SupportedOrientations="PortraitOrLandscape" Orientation="Portrait"
     mc:Ignorable="d"
     shell:SystemTray.IsVisible="True">
 
@@ -25,7 +26,7 @@
         <header:DefaultHeader x:Name="DefHeader" Grid.Row="0" HeaderName="{Binding Path=LocalizedResources.Favorites, Source={StaticResource LocalizedStrings}}"/>
 
         <!--ContentPanel - zusätzliche Inhalte hier platzieren-->
-        <ListBox x:Name="ContentPanel" ItemsSource="{Binding Chairs}" Grid.Row="1" Margin="12,0,12,0">
+        <ListBox x:Name="TheList" ItemsSource="{Binding}" Grid.Row="1" Margin="12,0,12,0">
             <ListBox.ItemContainerStyle>
                 <Style TargetType="ListBoxItem">
                     <Setter Property="HorizontalContentAlignment" Value="Stretch"/>
@@ -34,36 +35,31 @@
             </ListBox.ItemContainerStyle>
             <ListBox.ItemTemplate>
                 <DataTemplate>
-                    <StackPanel>
-                        <!--chair main button-->
-                        <Button Tag="{Binding Url}" Click="ChairTB_Click" HorizontalContentAlignment="Left" Style="{StaticResource ListButtonStyle}">
-                            <TextBlock Text="{Binding Name}" HorizontalAlignment="Stretch" TextWrapping="Wrap"/>
-                        </Button>
-                        <StackPanel Visibility="Collapsed">
-                            <!--delete button-->
-                            <Button BorderBrush="Transparent" Tag="{Binding Name}" Click="DeleteBtn_Click" HorizontalContentAlignment="Left">
-                                <Grid>
+                    <Border BorderBrush="{StaticResource PhoneContrastBackgroundBrush}" Style="{StaticResource ListButtonBorder}">
+                        <StackPanel Margin="12,0,12,0">
+                            <lui:ToggleButton ToggleContentTag="{Binding Path=Constants.ToggleContent, Source={StaticResource Const}}" Style="{StaticResource ListButtonNoneBorder}" HorizontalContentAlignment="Left">
+                                <TextBlock Text="{Binding Name}" TextWrapping="Wrap" HorizontalAlignment="Left"/>
+                            </lui:ToggleButton>
+                            <StackPanel Visibility="Collapsed" Tag="{Binding Path=Constants.ToggleContent, Source={StaticResource Const}}">
+                                <Grid HorizontalAlignment="Center">
+                                    <Grid.RowDefinitions>
+                                        <RowDefinition Height="Auto"/>
+                                        <RowDefinition Height="Auto"/>
+                                    </Grid.RowDefinitions>
                                     <Grid.ColumnDefinitions>
-                                        <ColumnDefinition Width="64"/>
-                                        <ColumnDefinition Width="*"/>
+                                        <ColumnDefinition Width="Auto"/>
+                                        <ColumnDefinition Width="Auto"/>
                                     </Grid.ColumnDefinitions>
-                                    <Image Grid.Column="0" Grid.Row="0" Height="32" Width="32" Source="{Binding Path=ThemelizedIcon.Delete, Source={StaticResource ThemelizedIcons}}" HorizontalAlignment="Left" VerticalAlignment="Center"/>
+
+                                    <lui:DelButton Grid.Column="0" Grid.Row="0" Value="{Binding Name}" Click="DeleteBtn_Click" Height="80" Margin="0" Padding="0"/>
                                     <TextBlock Grid.Column="1" Grid.Row="0" Text="{Binding Path=LocalizedResources.Delete, Source={StaticResource LocalizedStrings}}" VerticalAlignment="Center"/>
+
+                                    <lui:LinkButton Grid.Column="0" Grid.Row="1" Url="{Binding Url}" Height="80" Margin="0" Padding="0"/>
+                                    <TextBlock Grid.Column="1" Grid.Row="1" Text="{Binding Path=LocalizedResources.Info, Source={StaticResource LocalizedStrings}}" VerticalAlignment="Center"/>
                                 </Grid>
-                            </Button>
-                            <!--info button-->
-                            <Button x:Name="InfoBtn" BorderBrush="Transparent" Tag="{Binding Url}" Click="InfoBtn_Click" HorizontalContentAlignment="Left">
-                                <Grid>
-                                    <Grid.ColumnDefinitions>
-                                        <ColumnDefinition Width="64"/>
-                                        <ColumnDefinition Width="*"/>
-                                    </Grid.ColumnDefinitions>
-                                    <Image Grid.Column="0" Grid.Row="0" Height="32" Width="32" Source="{Binding Path=ThemelizedIcon.Info, Source={StaticResource ThemelizedIcons}}" HorizontalAlignment="Left" VerticalAlignment="Center"/>
-                                    <TextBlock Grid.Column="1" Grid.Row="0" Text="{Binding Path=LocalizedResources.Info, Source={StaticResource LocalizedStrings}}" VerticalAlignment="Center"/>
-                                </Grid>
-                            </Button>
+                            </StackPanel>
                         </StackPanel>
-                    </StackPanel>
+                    </Border>
                 </DataTemplate>
             </ListBox.ItemTemplate>
         </ListBox>
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentFavoritePage.xaml.cs b/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentFavoritePage.xaml.cs
index b94a4a7f..6d15c1a5 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentFavoritePage.xaml.cs
+++ b/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentFavoritePage.xaml.cs
@@ -7,49 +7,35 @@
 //----------------------------------------------------------------------
 namespace CampusAppWP8.Pages.Departments
 {
-    using System;
     using System.Windows;
-    using System.Windows.Controls;
+    using System.Collections.ObjectModel;
     using System.Windows.Navigation;
-    using CampusAppWP8.File.Departments;    
     using CampusAppWP8.Resources;
-    using CampusAppWPortalLib8.Model.Departments;
+    using CampusAppWP8.Utility.Lui.Button;
     using Microsoft.Phone.Controls;
+    using CampusAppWPortalLib8.Model.Departments;
 
-    /// <summary>
-    /// Page to visualize the favorite department list.
-    /// </summary>
+    /// <summary> Page to visualize the favorite department list. </summary>
+    /// <remarks> Fiedler, 18.10.2013. </remarks>
+    /// <seealso cref="T:Microsoft.Phone.Controls.PhoneApplicationPage"/>
     public partial class DepartmentFavoritePage : PhoneApplicationPage
     {
         #region Member
 
-        /// <summary>
-        /// Object to store the last clicked chair button.
-        /// </summary>
-        private FrameworkElement lastClickedBtn = null;
-
-        /// <summary>
-        /// For checking if instance is back from tombstone.
-        /// </summary>
-        private bool isNewInstance = false;
-
-        /// <summary>
-        /// For checking if the source of the list is set.
-        /// </summary>
-        private bool isSourceSet = false;
 
         #endregion
 
         #region Constructor
 
         /// <summary>
-        /// Initializes a new instance of the <see cref="DepartmentFavoritePage" /> class.
+        ///     Initializes a new instance of the <see cref="DepartmentFavoritePage" /> class.
         /// </summary>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
         public DepartmentFavoritePage()
         {
             this.InitializeComponent();
 
-            this.isNewInstance = true;
+            this.DefHeader.ProgressVisibility = Visibility.Visible;
         }
 
         #endregion
@@ -58,110 +44,58 @@ namespace CampusAppWP8.Pages.Departments
 
         #region protected
 
-        /// <summary>
-        /// On navigation to this page.
-        /// Initialize the list source.
-        /// </summary>
-        /// <param name="e">event args</param>
+        /// <summary> On navigation to this page. Initialize the list source. </summary>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
+        /// <seealso cref="M:System.Windows.Controls.Page.OnNavigatedTo(NavigationEventArgs)"/>
         protected override void OnNavigatedTo(NavigationEventArgs e)
         {
             base.OnNavigatedTo(e);
-            this.DefHeader.ProgressVisibility = Visibility.Visible;
 
-            if (this.isNewInstance)
+            if ((DepartmentIndexPage.FavoriteFeed == null) || (DepartmentIndexPage.FavoriteFeed.Model == null))
             {
-                if ((DepartmentIndexPage.FavoriteFile == null) || (DepartmentIndexPage.FavoriteFile.Model == null))
-                {
-                    DepartmentModel tempModel = null;
-
-                    if ((tempModel = App.LoadFromIsolatedStorage<DepartmentModel>(Constants.IsolatedStorage_DepartmentFavoriteModel)) != null)
-                    {
-                        if (DepartmentIndexPage.FavoriteFile == null)
-                        {
-                            DepartmentIndexPage.FavoriteFile = new DepartmentFavoriteFile(false);
-                        }
-
-                        DepartmentIndexPage.FavoriteFile.Model = tempModel;
-                        this.isSourceSet = false;
-                    }
-                }
-
-                this.isNewInstance = false;
+                DepartmentIndexPage.InitFavoriteFeed(this.SetListSource);
             }
-
-            if (this.isSourceSet == false)
+            else
             {
-                this.ContentPanel.ItemsSource = DepartmentIndexPage.GetFavoriteFile().Model.Faculties[0].Chairs;
-                this.isSourceSet = true;
+                this.SetListSource();
             }
-
-            this.DefHeader.ProgressVisibility = Visibility.Collapsed;
         }
 
-        /// <summary>
-        /// Override the OnNavigatedFrom function.
-        /// </summary>
-        /// <param name="e">event args</param>
+        /// <summary> Override the OnNavigatedFrom function. </summary>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
+        /// <seealso cref="M:System.Windows.Controls.Page.OnNavigatedFrom(NavigationEventArgs)"/>
         protected override void OnNavigatedFrom(NavigationEventArgs e)
         {
             base.OnNavigatedFrom(e);
-
-            if (e.NavigationMode != System.Windows.Navigation.NavigationMode.Back)
-            {
-                App.SaveToIsolatedStorage<DepartmentModel>(Constants.IsolatedStorage_DepartmentFavoriteModel, DepartmentIndexPage.FavoriteFile.Model);
-            }
         }
 
         #endregion
 
         #region private
 
-        /// <summary>
-        /// On clicking on a chair button.
-        /// Open or close the chair details.
-        /// </summary>
-        /// <param name="sender">clicked button</param>
-        /// <param name="e">event args</param>
-        private void ChairTB_Click(object sender, RoutedEventArgs e)
+        /// <summary> Sets list source. </summary>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
+        private void SetListSource()
         {
-            FrameworkElement tempBtn = sender as FrameworkElement;
-            StackPanel tempParent = null;
-
-            if (tempBtn == this.lastClickedBtn)
+            if (this.TheList.ItemsSource == null)
             {
-                tempParent = this.lastClickedBtn.Parent as StackPanel;
-                tempParent.Children[1].Visibility = Visibility.Collapsed;
-                this.lastClickedBtn = null;
+                this.TheList.ItemsSource = DepartmentIndexPage.FavoriteFeed.Model.Faculties[0].Chairs;
             }
-            else
-            {
-                if (this.lastClickedBtn != null)
-                {
-                    tempParent = this.lastClickedBtn.Parent as StackPanel;
-                    tempParent.Children[1].Visibility = Visibility.Collapsed;
-                }
 
-                tempParent = tempBtn.Parent as StackPanel;
-                tempParent.Children[1].Visibility = Visibility.Visible;
-
-                this.lastClickedBtn = tempBtn;
-            }
+            this.DefHeader.ProgressVisibility = Visibility.Collapsed;
         }
 
-        /// <summary>
-        /// On clicking on a delete button.
-        /// Removes the chair from the favorite list.
-        /// </summary>
-        /// <param name="sender">clicked button</param>
-        /// <param name="e">event args</param>
+        /// <summary> On clicking on a delete button. Removes the chair from the favorite list. </summary>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
+        /// <param name="sender"> clicked button. </param>
+        /// <param name="e">      event args. </param>
         private void DeleteBtn_Click(object sender, RoutedEventArgs e)
         {
-            Button btn = this.lastClickedBtn as Button;
-            TextBlock btnText = btn.Content as TextBlock;
+            DelButton btn = sender as DelButton;
 
-            if (DepartmentIndexPage.GetFavoriteFile().Model.Faculties[0].RemoveChair(btnText.Text) == true)
+            if (DepartmentIndexPage.GetFavoriteFile().Model.Faculties[0].RemoveChair(btn.Value as string) == true)
             {
-                MessageBox.Show(AppResources.DeleteSucceeded);
+                //MessageBox.Show(AppResources.DeleteSucceeded);
             }
             else
             {
@@ -169,20 +103,6 @@ namespace CampusAppWP8.Pages.Departments
             }
         }
 
-        /// <summary>
-        /// On clicking on a info button.
-        /// Open a department info page.
-        /// </summary>
-        /// <param name="sender">clicked button</param>
-        /// <param name="e">event args</param>
-        private void InfoBtn_Click(object sender, RoutedEventArgs e)
-        {
-            FrameworkElement infoBtn = sender as FrameworkElement;
-            string chairName = ((this.lastClickedBtn as Button).Content as TextBlock).Text.ToString();
-
-            NavigationService.Navigate(new Uri(Constants.PathDepartment_DepartmentInfoPage + "?" + Constants.ParamUrl + "=" + infoBtn.Tag.ToString() + "&" + Constants.ParamName + "=" + chairName, UriKind.Relative));
-        }
-
         #endregion
 
         #endregion
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentIndexPage.xaml b/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentIndexPage.xaml
index d8cd2952..a2ba73cf 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentIndexPage.xaml
+++ b/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentIndexPage.xaml
@@ -1,4 +1,5 @@
-<phone:PhoneApplicationPage
+<!--<phone:PhoneApplicationPage-->
+<page:PortraitLandscapePage
     x:Class="CampusAppWP8.Pages.Departments.DepartmentIndexPage"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
@@ -8,6 +9,7 @@
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:lui="clr-namespace:CampusAppWP8.Utility.Lui.Button"
     xmlns:header="clr-namespace:CampusAppWP8.Utility.Lui.Header"
+    xmlns:page="clr-namespace:CampusAppWP8.Utility"
     FontFamily="{StaticResource PhoneFontFamilyNormal}"
     FontSize="{StaticResource PhoneFontSizeNormal}"
     Foreground="{StaticResource PhoneForegroundBrush}"
@@ -78,4 +80,4 @@
             <lui:UpdateButtonAppBar Click="DeptForceUpdate_Click"/>
         </shell:ApplicationBar>
     </phone:PhoneApplicationPage.ApplicationBar>
-</phone:PhoneApplicationPage>
\ No newline at end of file
+</page:PortraitLandscapePage>
\ No newline at end of file
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentIndexPage.xaml.cs b/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentIndexPage.xaml.cs
index afddf135..7eb2a22f 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentIndexPage.xaml.cs
+++ b/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentIndexPage.xaml.cs
@@ -17,21 +17,16 @@ namespace CampusAppWP8.Pages.Departments
     using CampusAppWP8.Utility.Lui.MessageBoxes;
     using Microsoft.Phone.Controls;
 
-    /// <summary>
-    /// Page with a list of the faculties.
-    /// </summary>
-    public partial class DepartmentIndexPage : PhoneApplicationPage
+    /// <summary> Page with a list of the faculties. </summary>
+    /// <remarks> Fiedler, 18.10.2013. </remarks>
+    /// <seealso cref="T:Microsoft.Phone.Controls.PhoneApplicationPage"/>
+    public partial class DepartmentIndexPage : PortraitLandscapePage
     {
         #region Member
 
-        /// <summary>
-        /// Department/chair feed object, storing the model and data.
-        /// </summary>
+        /// <summary> Department/chair feed object, storing the model and data. </summary>
         private static DepartmentFeed feed = null;
-
-        /// <summary>
-        /// Department feed object for storing the favorite list.
-        /// </summary>
+        /// <summary> Department feed object for storing the favorite list. </summary>
         private static DepartmentFavoriteFile favorite = null;
 
         #endregion
@@ -39,32 +34,24 @@ namespace CampusAppWP8.Pages.Departments
         #region Constructor
 
         /// <summary>
-        /// Initializes a new instance of the <see cref="DepartmentIndexPage" /> class.
+        ///     Initializes a new instance of the <see cref="DepartmentIndexPage" /> class.
         /// </summary>
-        public DepartmentIndexPage()
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
+        public DepartmentIndexPage() : base()
         {
             this.InitializeComponent();
             this.DefHeader.ProgressVisibility = Visibility.Visible;
 
-            //// init feed objects
             DepartmentIndexPage.InitFeed(this.SetupFacultyList, this.FeedIsFailedWeb, this.FeedIsFailedFile);
-
-            if (DepartmentIndexPage.favorite == null)
-            {
-                DepartmentIndexPage.favorite = new DepartmentFavoriteFile(false);
-            }
-
-            DepartmentIndexPage.favorite.OnFailedFile += new DepartmentFavoriteFile.OnFailed(this.CheckFavoriteFeed);
-            DepartmentIndexPage.favorite.LoadData();
+            DepartmentIndexPage.InitFavoriteFeed(null, null, this.CheckFavoriteFeed);
         }
 
         #endregion
 
         #region Property
 
-        /// <summary>
-        /// Gets or sets the feed object.
-        /// </summary>
+        /// <summary> Gets or sets the feed object. </summary>
+        /// <value> The feed. </value>
         public static DepartmentFeed Feed
         {
             get
@@ -78,10 +65,9 @@ namespace CampusAppWP8.Pages.Departments
             }
         }
 
-        /// <summary>
-        /// Gets or sets the favorite feed object.
-        /// </summary>
-        public static DepartmentFavoriteFile FavoriteFile
+        /// <summary> Gets or sets the favorite feed object. </summary>
+        /// <value> The favorite feed. </value>
+        public static DepartmentFavoriteFile FavoriteFeed
         {
             get
             {
@@ -103,19 +89,17 @@ namespace CampusAppWP8.Pages.Departments
 
         #region public
 
-        /// <summary>
-        /// Return the feed object of the departments.
-        /// </summary>
-        /// <returns>feed object</returns>
+        /// <summary> Return the feed object of the departments. </summary>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
+        /// <returns> feed object. </returns>
         public static DepartmentFeed GetFeed()
         {
             return DepartmentIndexPage.feed; // DepartmentIndexPage.feed;
         }
 
-        /// <summary>
-        /// Return the feed object of the favorite departments.
-        /// </summary>
-        /// <returns>feed object</returns>
+        /// <summary> Return the feed object of the favorite departments. </summary>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
+        /// <returns> feed object. </returns>
         public static DepartmentFavoriteFile GetFavoriteFile()
         {
             return DepartmentIndexPage.favorite; // DepartmentIndexPage.favorite;
@@ -125,20 +109,13 @@ namespace CampusAppWP8.Pages.Departments
 
         #region protected
 
-        /// <summary>
-        /// On navigation to this page.
-        /// Initialize the feed loading.
-        /// </summary>
-        /// <param name="e">event args</param>
+        /// <summary> On navigation to this page. Initialize the feed loading. </summary>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
+        /// <seealso cref="M:System.Windows.Controls.Page.OnNavigatedTo(NavigationEventArgs)"/>
         protected override void OnNavigatedTo(NavigationEventArgs e)
         {
             base.OnNavigatedTo(e);
-
-            if (this.Orientation.Equals(PageOrientation.Landscape) || this.Orientation.Equals(PageOrientation.LandscapeLeft) || this.Orientation.Equals(PageOrientation.LandscapeRight))
-            {
-                ApplicationBar.Mode = Microsoft.Phone.Shell.ApplicationBarMode.Default;
-            }
-
+            
             if (NavigationContext.QueryString.ContainsKey(Constants.ParamRemoveBack))
             {
                 if (NavigationContext.QueryString[Constants.ParamRemoveBack].Equals("true")) {
@@ -147,11 +124,9 @@ namespace CampusAppWP8.Pages.Departments
             }
         }
 
-        /// <summary>
-        /// On navigation from this page.
-        /// Store the favorite list.
-        /// </summary>
-        /// <param name="e">event args</param>
+        /// <summary> On navigation from this page. Store the favorite list. </summary>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
+        /// <seealso cref="M:System.Windows.Controls.Page.OnNavigatedFrom(NavigationEventArgs)"/>
         protected override void OnNavigatedFrom(NavigationEventArgs e)
         {
             if (NavigationMode.Back == e.NavigationMode)
@@ -162,32 +137,12 @@ namespace CampusAppWP8.Pages.Departments
             base.OnNavigatedFrom(e);
         }
 
-        /// <summary>
-        /// On orientation changed.
-        /// </summary>
-        /// <param name="sender">sender object</param>
-        /// <param name="e">event args</param>
-        protected override void OnOrientationChanged(OrientationChangedEventArgs e)
-        {
-            if (e.Orientation.Equals(PageOrientation.Landscape) || e.Orientation.Equals(PageOrientation.LandscapeLeft) || e.Orientation.Equals(PageOrientation.LandscapeRight))
-            {
-                ApplicationBar.Mode = Microsoft.Phone.Shell.ApplicationBarMode.Default;
-            }
-            else
-            {
-                ApplicationBar.Mode = Microsoft.Phone.Shell.ApplicationBarMode.Minimized;
-            }
-            base.OnOrientationChanged(e);
-        }
-
-        #endregion
-
-        #region private        
-
-        /// <summary>
-        /// Initialize the feed objects and load the data.
-        /// </summary>
-        public static void InitFeed(DepartmentFeed.OnIO onLoaded = null, DepartmentFeed.OnIO failedWeb = null, DepartmentFeed.OnIO failedFile = null)
+        /// <summary> Initialize the feed objects and load the data. </summary>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
+        /// <param name="onLoaded">   (Optional) the on loaded. </param>
+        /// <param name="failedWeb">  (Optional) the failed web. </param>
+        /// <param name="failedFile"> (Optional) the failed file. </param>
+        public static void InitFeed(DepartmentFeed.OnIO onLoaded = null, DepartmentFeed.OnFailed failedWeb = null, DepartmentFeed.OnFailed failedFile = null)
         {
             if (DepartmentIndexPage.feed == null)
             {
@@ -195,27 +150,47 @@ namespace CampusAppWP8.Pages.Departments
             }
 
             if (onLoaded != null)
-                DepartmentIndexPage.feed.OnLoaded += new DepartmentFeed.OnIO(onLoaded);
+                DepartmentIndexPage.feed.OnLoaded += onLoaded;
             if (failedWeb != null)
-                DepartmentIndexPage.feed.OnFailedWeb += new DepartmentFeed.OnFailed(failedWeb);
+                DepartmentIndexPage.feed.OnFailedWeb += failedWeb;
             if (failedFile != null)
-                DepartmentIndexPage.feed.OnFailedFile += new DepartmentFeed.OnFailed(failedFile);
+                DepartmentIndexPage.feed.OnFailedFile += failedFile;
 
             DepartmentIndexPage.feed.LoadData(Utilities.GetLoadModus<CampusAppWPortalLib8.Model.Departments.DepartmentModel>());
         }
 
-        /// <summary>
-        /// Setup the faculty list.
-        /// </summary>
+        /// <summary> Initialises the favorite feed. </summary>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
+        /// <param name="onLoaded">   (Optional) the on loaded. </param>
+        /// <param name="failedWeb">  (Optional) the failed web. </param>
+        /// <param name="failedFile"> (Optional) the failed file. </param>
+        public static void InitFavoriteFeed(DepartmentFeed.OnIO onLoaded = null, DepartmentFeed.OnFailed failedWeb = null, DepartmentFeed.OnFailed failedFile = null)
+        {
+            if (DepartmentIndexPage.favorite == null)
+            {
+                DepartmentIndexPage.favorite = new DepartmentFavoriteFile(false);
+            }
+
+            if (onLoaded != null)
+                DepartmentIndexPage.favorite.OnLoaded += onLoaded;
+            if (failedWeb != null)
+                DepartmentIndexPage.favorite.OnFailedWeb += failedWeb;
+            if (failedFile != null)
+                DepartmentIndexPage.favorite.OnFailedFile += failedFile;
+
+            DepartmentIndexPage.favorite.LoadData();
+        }
+
+        /// <summary> Setup the faculty list. </summary>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
         private void SetupFacultyList()
         {
             this.FacultyList.ItemsSource = DepartmentIndexPage.feed.Model.Faculties;
             this.DefHeader.ProgressVisibility = Visibility.Collapsed;
         }
 
-        /// <summary>
-        /// Checks if the favorite feed is valid.
-        /// </summary>
+        /// <summary> Checks if the favorite feed is valid. </summary>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
         private void CheckFavoriteFeed()
         {
             if (DepartmentIndexPage.favorite.Model == null)
@@ -229,21 +204,19 @@ namespace CampusAppWP8.Pages.Departments
             }
         }
 
-        /// <summary>
-        /// On clicking on the favorite button.
-        /// </summary>
-        /// <param name="sender">clicked button</param>
-        /// <param name="e">event args</param>
+        /// <summary> On clicking on the favorite button. </summary>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
+        /// <param name="sender"> clicked button. </param>
+        /// <param name="e">      event args. </param>
         private void FavoriteBtn_Click(object sender, RoutedEventArgs e)
         {
             NavigationService.Navigate(new Uri(Constants.PathDepartment_DepartmentFavoritePage, UriKind.Relative));
         }
 
-        /// <summary>
-        /// On clicking on a faculty button.
-        /// </summary>
-        /// <param name="sender">clicked button</param>
-        /// <param name="e">event args</param>
+        /// <summary> On clicking on a faculty button. </summary>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
+        /// <param name="sender"> clicked button. </param>
+        /// <param name="e">      event args. </param>
         private void FacultyBtn_Click(object sender, RoutedEventArgs e)
         {
             FrameworkElement tempElem = sender as FrameworkElement;
@@ -252,28 +225,26 @@ namespace CampusAppWP8.Pages.Departments
         }
 
         /// <summary>
-        /// On clicking the update button in the ApplicationBar.
-        /// Force a data update from the web.
+        ///     On clicking the update button in the ApplicationBar. Force a data update from the web.
         /// </summary>
-        /// <param name="sender">button object</param>
-        /// <param name="e">event args</param>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
+        /// <param name="sender"> button object. </param>
+        /// <param name="e">      event args. </param>
         private void DeptForceUpdate_Click(object sender, EventArgs e)
         {
             DepartmentIndexPage.feed.ForceWebUpdate();
         }
 
-        /// <summary>
-        /// Method will be execute if the feed is failed
-        /// </summary>
+        /// <summary> Method will be execute if the feed is failed. </summary>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
         private void FeedIsFailedWeb()
         {
             MessageBoxResult result = MessageBoxes.ShowMainModelErrorMessageBox(AppResources.MsgBox_ErrorMainModelLoadWeb);
             DepartmentIndexPage.feed.ForceReadFile();
         }
 
-        /// <summary>
-        /// Method will be execute if the feed is failed
-        /// </summary>
+        /// <summary> Method will be execute if the feed is failed. </summary>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
         private void FeedIsFailedFile()
         {
             this.DefHeader.ProgressVisibility = Visibility.Collapsed;
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentInfoPage.xaml b/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentInfoPage.xaml
index ce9fbe42..d617f482 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentInfoPage.xaml
+++ b/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentInfoPage.xaml
@@ -11,7 +11,6 @@
     FontSize="{StaticResource PhoneFontSizeNormal}"
     Foreground="{StaticResource PhoneForegroundBrush}"
     SupportedOrientations="PortraitOrLandscape" Orientation="Portrait"
-    OrientationChanged="PhoneApplicationPage_OrientationChanged"
     mc:Ignorable="d"
     shell:SystemTray.IsVisible="True">
 
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentInfoPage.xaml.cs b/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentInfoPage.xaml.cs
index 2c5ee655..dc9baf75 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentInfoPage.xaml.cs
+++ b/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentInfoPage.xaml.cs
@@ -82,15 +82,6 @@ namespace CampusAppWP8.Pages.Departments
 
         #region private
 
-        /// <summary>
-        /// On orientation changed.
-        /// </summary>
-        /// <param name="sender">sender object</param>
-        /// <param name="e">event args</param>
-        private void PhoneApplicationPage_OrientationChanged(object sender, OrientationChangedEventArgs e)
-        {
-        }
-
         /// <summary>
         /// On feed ready.
         /// </summary>
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentPage.xaml b/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentPage.xaml
index 89971927..8dfdfd06 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentPage.xaml
+++ b/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentPage.xaml
@@ -7,12 +7,12 @@
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:header="clr-namespace:CampusAppWP8.Utility.Lui.Header"
+    xmlns:lui="clr-namespace:CampusAppWP8.Utility.Lui.Button"
     mc:Ignorable="d"
     FontFamily="{StaticResource PhoneFontFamilyNormal}"
     FontSize="{StaticResource PhoneFontSizeNormal}"
     Foreground="{StaticResource PhoneForegroundBrush}"
     SupportedOrientations="PortraitOrLandscape" Orientation="Portrait"
-    OrientationChanged="PhoneApplicationPage_OrientationChanged"
     shell:SystemTray.IsVisible="True">
 
     <!-- LayoutRoot -->
@@ -26,16 +26,16 @@
         <header:DefaultHeader x:Name="DefHeader" Grid.Row="0" HeaderName="{Binding Path=LocalizedResources.DepartmentApp_Title, Source={StaticResource LocalizedStrings}}"/>
 
         <!-- Pivot -->
-        <phone:Pivot x:Name="DepartmentPivot" Grid.Row="1" ItemsSource="{Binding Faculties}">
+        <phone:Pivot x:Name="DepartmentPivot" Grid.Row="1" ItemsSource="{Binding Faculties}" SelectionChanged="DepartmentPivot_SelectionChanged">
             <!-- Pivotitem template -->
             <phone:Pivot.HeaderTemplate>
                 <DataTemplate>
-                    <TextBlock Text="{Binding Path=Name, Mode=OneWay}" Margin="0,-36,0,0"/>
+                    <TextBlock Text="{Binding Path=Name, Mode=OneTime}" Margin="0,-36,0,0"/>
                 </DataTemplate>
             </phone:Pivot.HeaderTemplate>
             <phone:Pivot.ItemTemplate>
                 <DataTemplate>
-                    <ListBox ItemsSource="{Binding Chairs}" Loaded="OnListBoxLoaded">
+                    <ListBox x:Name="TheListBox" ItemsSource="{Binding Path=Chairs, Mode=OneWay}">
                         <ListBox.ItemContainerStyle>
                             <Style TargetType="ListBoxItem">
                                 <Setter Property="HorizontalContentAlignment" Value="Stretch"/>
@@ -44,36 +44,31 @@
                         </ListBox.ItemContainerStyle>
                         <ListBox.ItemTemplate>
                             <DataTemplate>
-                                <StackPanel>
-                                    <!--chair button-->
-                                    <Button Tag="{Binding Url}" Click="ChairTB_Click" HorizontalContentAlignment="Left" Style="{StaticResource ListButtonStyle}">
-                                        <TextBlock Text="{Binding Name}" HorizontalAlignment="Stretch" TextWrapping="Wrap"/>
-                                    </Button>
-                                    <StackPanel Visibility="Collapsed">
-                                        <!--add to favorite button-->
-                                        <Button BorderBrush="Transparent" Tag="{Binding Name}" Click="AddBtn_Click" HorizontalContentAlignment="Left">
-                                            <Grid>
+                                <Border BorderBrush="{StaticResource PhoneContrastBackgroundBrush}" Style="{StaticResource ListButtonBorder}">
+                                    <StackPanel Margin="12,0,12,0">
+                                        <lui:ToggleButton ToggleContentTag="{Binding Path=Constants.ToggleContent, Source={StaticResource Const}}" Style="{StaticResource ListButtonNoneBorder}" HorizontalContentAlignment="Left">
+                                            <TextBlock Text="{Binding Name}" TextWrapping="Wrap" HorizontalAlignment="Left"/>
+                                        </lui:ToggleButton>
+                                        <StackPanel Visibility="Collapsed" Tag="{Binding Path=Constants.ToggleContent, Source={StaticResource Const}}">
+                                            <Grid HorizontalAlignment="Center">
+                                                <Grid.RowDefinitions>
+                                                    <RowDefinition Height="Auto"/>
+                                                    <RowDefinition Height="Auto"/>
+                                                </Grid.RowDefinitions>
                                                 <Grid.ColumnDefinitions>
-                                                    <ColumnDefinition Width="64"/>
-                                                    <ColumnDefinition Width="*"/>
+                                                    <ColumnDefinition Width="Auto"/>
+                                                    <ColumnDefinition Width="Auto"/>
                                                 </Grid.ColumnDefinitions>
-                                                <Image Grid.Column="0" Grid.Row="0" Height="32" Width="32" Source="{Binding Path=ThemelizedIcon.Add, Source={StaticResource ThemelizedIcons}}" HorizontalAlignment="Left" VerticalAlignment="Center"/>
+
+                                                <lui:AddButton Grid.Column="0" Grid.Row="0" Value="{Binding Name}" Click="AddBtn_Click" Height="80" Margin="0" Padding="0"/>
                                                 <TextBlock Grid.Column="1" Grid.Row="0" Text="{Binding Path=LocalizedResources.Add, Source={StaticResource LocalizedStrings}}" VerticalAlignment="Center"/>
+       
+                                                <lui:LinkButton Grid.Column="0" Grid.Row="1" Url="{Binding Url}" Height="80" Margin="0" Padding="0"/>
+                                                <TextBlock Grid.Column="1" Grid.Row="1" Text="{Binding Path=LocalizedResources.Info, Source={StaticResource LocalizedStrings}}" VerticalAlignment="Center"/>
                                             </Grid>
-                                        </Button>
-                                        <!--info button-->
-                                        <Button x:Name="InfoBtn" BorderBrush="Transparent" Tag="{Binding Url}" Click="InfoBtn_Click" HorizontalContentAlignment="Left">
-                                            <Grid>
-                                                <Grid.ColumnDefinitions>
-                                                    <ColumnDefinition Width="64"/>
-                                                    <ColumnDefinition Width="*"/>
-                                                </Grid.ColumnDefinitions>
-                                                <Image Grid.Column="0" Grid.Row="0" Height="32" Width="32" Source="{Binding Path=ThemelizedIcon.Info, Source={StaticResource ThemelizedIcons}}" HorizontalAlignment="Left" VerticalAlignment="Center"/>
-                                                <TextBlock Grid.Column="1" Grid.Row="0" Text="{Binding Path=LocalizedResources.Info, Source={StaticResource LocalizedStrings}}" VerticalAlignment="Center"/>
-                                            </Grid>
-                                        </Button>
+                                        </StackPanel>
                                     </StackPanel>
-                                </StackPanel>
+                                </Border>
                             </DataTemplate>
                         </ListBox.ItemTemplate>
                     </ListBox>
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentPage.xaml.cs b/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentPage.xaml.cs
index f4d58972..fbfe645d 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentPage.xaml.cs
+++ b/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentPage.xaml.cs
@@ -8,36 +8,41 @@
 namespace CampusAppWP8.Pages.Departments
 {
     using System;
+    using System.Collections.ObjectModel;
     using System.Linq;
     using System.Windows;
     using System.Windows.Controls;
     using System.Windows.Navigation;
     using CampusAppWP8.Resources;
+    using CampusAppWP8.Utility;
+    using CampusAppWP8.Utility.Lui.Button;
     using CampusAppWPortalLib8.Model.Departments;
     using Microsoft.Phone.Controls;
 
-    /// <summary>
-    /// Pivot page with list of the chairs of the faculties.
-    /// </summary>
+    /// <summary> Pivot page with list of the chairs of the faculties. </summary>
+    /// <remarks> Fiedler, 18.10.2013. </remarks>
+    /// <seealso cref="T:Microsoft.Phone.Controls.PhoneApplicationPage"/>
     public partial class DepartmentPage : PhoneApplicationPage
     {
         #region Member
 
-        /// <summary>
-        /// Last clicked button object.
-        /// </summary>
-        private FrameworkElement lastClickedBtn = null;
+        /// <summary> the copy. </summary>
+        private ObservableCollection<FacultyModel> theCopy = new ObservableCollection<FacultyModel>();
+
+        /// <summary> The animation step delay. </summary>
+        private TimeSpan animStepDelay = new TimeSpan(0, 0, 0, 0, 50);
+        /// <summary> The animation start delay. </summary>
+        private TimeSpan animStartDelay = new TimeSpan(0, 0, 0, 0);
 
         /// <summary> Index of the pivot. </summary>
-        int pivotIndex = 0;
+        private int pivotIndex = 0;
 
         #endregion
 
         #region Constructor
 
-        /// <summary>
-        /// Initializes a new instance of the <see cref="DepartmentPage" /> class.
-        /// </summary>
+        /// <summary> Initializes a new instance of the <see cref="DepartmentPage" /> class. </summary>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
         public DepartmentPage()
         {
             this.InitializeComponent();
@@ -51,15 +56,13 @@ namespace CampusAppWP8.Pages.Departments
 
         #region protected
 
-        /// <summary>
-        /// On navigation to this page.
-        /// Initialize the feed loading.
-        /// </summary>
-        /// <param name="e">event args</param>
+        /// <summary> On navigation to this page. Initialize the feed loading. </summary>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
+        /// <seealso cref="M:System.Windows.Controls.Page.OnNavigatedTo(NavigationEventArgs)"/>
         protected override void OnNavigatedTo(NavigationEventArgs e)
         {
             base.OnNavigatedTo(e);
-            
+
             string pivotIndexStr = string.Empty;
 
             // Navigate to the selected pivotitem
@@ -68,14 +71,19 @@ namespace CampusAppWP8.Pages.Departments
             {
                 this.pivotIndex = int.Parse(pivotIndexStr) - 1;
             }
-            
-            DepartmentIndexPage.InitFeed(this.SetPivotSource);
+            if (DepartmentIndexPage.Feed == null || DepartmentIndexPage.Feed.Model == null)
+            {
+                DepartmentIndexPage.InitFeed(this.SetPivotSource);
+            }
+            else
+            {
+                this.SetPivotSource();
+            }
         }
 
-        /// <summary>
-        /// Override the OnNavigatedFrom function.
-        /// </summary>
-        /// <param name="e">event args</param>
+        /// <summary> Override the OnNavigatedFrom function. </summary>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
+        /// <seealso cref="M:System.Windows.Controls.Page.OnNavigatedFrom(NavigationEventArgs)"/>
         protected override void OnNavigatedFrom(NavigationEventArgs e)
         {
             base.OnNavigatedFrom(e);
@@ -85,17 +93,24 @@ namespace CampusAppWP8.Pages.Departments
 
         #region private
 
-        /// <summary> Sets pivot source.</summary>
+        /// <summary> Sets pivot source. </summary>
         /// <remarks> Fiedler, 15.10.2013. </remarks>
         private void SetPivotSource()
         {
             if (this.pivotIndex >= 0 && this.pivotIndex < DepartmentIndexPage.Feed.Model.Faculties.Count())
             {
-                this.DepartmentPivot.LoadedPivotItem += new EventHandler<PivotItemEventArgs>(this.OnLoadedPivotItems);
-
                 if (this.DepartmentPivot.ItemsSource == null)
                 {
-                    this.DepartmentPivot.ItemsSource = DepartmentIndexPage.Feed.Model.Faculties;
+                    this.theCopy.Clear();
+
+                    foreach (FacultyModel fm in DepartmentIndexPage.Feed.Model.Faculties)
+                    {
+                        FacultyModel newModel = new FacultyModel(fm.Id);
+
+                        this.theCopy.Add(newModel);
+                    }
+
+                    this.DepartmentPivot.ItemsSource = this.theCopy;
                 }
                 
                 this.DepartmentPivot.SelectedIndex = this.pivotIndex;
@@ -104,95 +119,49 @@ namespace CampusAppWP8.Pages.Departments
             {
                 Utility.Lui.MessageBoxes.MessageBoxes.ShowMainModelErrorMessageBox("pivot index out of bound (0 < " + this.pivotIndex + " < " + DepartmentIndexPage.Feed.Model.Faculties.Count() + ")");
             }
-
         }
 
-        private void OnListBoxLoaded(object sender, RoutedEventArgs e)
+        /// <summary> On clicking on a add button. Add the chair to the favorite list. </summary>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
+        /// <param name="sender"> clicked button. </param>
+        /// <param name="e">      event args. </param>
+        private void AddBtn_Click(object sender, RoutedEventArgs e)
+        {
+            AddButton btn = sender as AddButton;
+
+            CampusAppWPortalLib8.Model.Departments.ChairModel tempModel = DepartmentIndexPage.Feed.Model.Faculties[this.DepartmentPivot.SelectedIndex].GetChairModel(btn.Value as string);
+
+            if (tempModel != null)
+            {
+                DepartmentIndexPage.FavoriteFeed.Model.Faculties[0].AddChair(tempModel);
+            }
+        }
+
+        /// <summary> Event handler. Called by DepartmentPivot for selection changed events. </summary>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
+        /// <param name="sender"> clicked button. </param>
+        /// <param name="e">      Selection changed event information. </param>
+        private void DepartmentPivot_SelectionChanged(object sender, SelectionChangedEventArgs e)
+        {
+            if ((e.AddedItems[0] as FacultyModel).Chairs.Count() == 0)
+            {
+                FacultyModel srcModel = DepartmentIndexPage.Feed.Model.GetFacultyModel((e.AddedItems[0] as FacultyModel).Id);
+
+                this.DefHeader.ProgressVisibility = Visibility.Visible;
+
+                ListFiller<ChairModel>.Fill(srcModel.Chairs, (e.AddedItems[0] as FacultyModel).Chairs, this.animStepDelay, this.animStartDelay, this.FillCall);
+            }
+        }
+
+        /// <summary> Fill call. </summary>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
+        private void FillCall()
         {
             this.DefHeader.ProgressVisibility = Visibility.Collapsed;
         }
 
-        private void OnLoadedPivotItems(object sender, PivotItemEventArgs e)
-        {
-            
-        }
-
-        /// <summary>
-        /// On orientation changed.
-        /// </summary>
-        /// <param name="sender">sender object</param>
-        /// <param name="e">event args</param>
-        private void PhoneApplicationPage_OrientationChanged(object sender, OrientationChangedEventArgs e)
-        {
-        }
-
-        /// <summary>
-        /// On clicking a chair TextBlock.
-        /// Open the browser with the url of the chair.
-        /// </summary>
-        /// <param name="sender">clicked chair TextBlock</param>
-        /// <param name="e">event args</param>
-        private void ChairTB_Click(object sender, RoutedEventArgs e)
-        {
-            FrameworkElement tempBtn = sender as FrameworkElement;
-            StackPanel tempParent = null;
-
-            if (this.lastClickedBtn != tempBtn)
-            {
-                if (this.lastClickedBtn != null)
-                {
-                    tempParent = this.lastClickedBtn.Parent as StackPanel;
-                    tempParent.Children[1].Visibility = Visibility.Collapsed;
-                }
-                
-                tempParent = tempBtn.Parent as StackPanel;
-                tempParent.Children[1].Visibility = Visibility.Visible;
-
-                this.lastClickedBtn = tempBtn;
-            }
-            else
-            {
-                tempParent = this.lastClickedBtn.Parent as StackPanel;
-                tempParent.Children[1].Visibility = Visibility.Collapsed;
-                this.lastClickedBtn = null;
-            }
-        }
-
-        /// <summary>
-        /// On clicking on a add button.
-        /// Add the chair to the favorite list.
-        /// </summary>
-        /// <param name="sender">clicked button</param>
-        /// <param name="e">event args</param>
-        private void AddBtn_Click(object sender, RoutedEventArgs e)
-        {
-            Button btn = this.lastClickedBtn as Button;
-            TextBlock btnText = btn.Content as TextBlock;
-
-            CampusAppWPortalLib8.Model.Departments.ChairModel tempModel = DepartmentIndexPage.GetFeed().Model.Faculties[this.DepartmentPivot.SelectedIndex].GetChairModel(btnText.Text);
-
-            if (tempModel != null)
-            {
-                DepartmentIndexPage.GetFavoriteFile().Model.Faculties[0].AddChair(tempModel);
-            }
-        }
-
-        /// <summary>
-        /// On clicking on a info button.
-        /// Open the info page to this chair.
-        /// </summary>
-        /// <param name="sender">clicked button</param>
-        /// <param name="e">event args</param>
-        private void InfoBtn_Click(object sender, RoutedEventArgs e)
-        {
-            FrameworkElement infoBtn = sender as FrameworkElement;
-            string chairName = ((this.lastClickedBtn as Button).Content as TextBlock).Text.ToString();
-                        
-            NavigationService.Navigate(new Uri(Constants.PathDepartment_DepartmentInfoPage + "?" + Constants.ParamUrl + "=" + infoBtn.Tag.ToString() + "&" + Constants.ParamName + "=" + chairName, UriKind.Relative));
-        }
-
-        #endregion
-
-        #endregion
+        #endregion //private
+        
+        #endregion //Method
     }
 }
\ No newline at end of file
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Events/EventIndexPage.xaml b/CampusAppWP8/CampusAppWP8/Pages/Events/EventIndexPage.xaml
index f680cfc0..9ace920b 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Events/EventIndexPage.xaml
+++ b/CampusAppWP8/CampusAppWP8/Pages/Events/EventIndexPage.xaml
@@ -1,4 +1,4 @@
-<phone:PhoneApplicationPage
+<page:PortraitLandscapePage
     x:Class="CampusAppWP8.Pages.Events.EventIndexPage"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
@@ -8,6 +8,7 @@
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:lui="clr-namespace:CampusAppWP8.Utility.Lui.Button"
     xmlns:header="clr-namespace:CampusAppWP8.Utility.Lui.Header"
+    xmlns:page="clr-namespace:CampusAppWP8.Utility"
     FontFamily="{StaticResource PhoneFontFamilyNormal}"
     FontSize="{StaticResource PhoneFontSizeNormal}"
     Foreground="{StaticResource PhoneForegroundBrush}"
@@ -24,12 +25,6 @@
 
         <!--header-->
         <header:DefaultHeader x:Name="DefHeader" Grid.Row="0" HeaderName="{Binding Path=LocalizedResources.EventApp_Title, Source={StaticResource LocalizedStrings}}"/>
-        <!--
-        <StackPanel Grid.Row="0" Margin="12,17,0,28">
-            <TextBlock Text="{Binding Path=LocalizedResources.ApplicationTitle, Source={StaticResource LocalizedStrings}}" Style="{StaticResource PhoneTextNormalStyle}"/>
-            <TextBlock Text="{Binding Path=LocalizedResources.EventApp_Title, Source={StaticResource LocalizedStrings}}" Margin="9,-7,0,0" Style="{StaticResource PhoneTextTitle1Style}"/>
-        </StackPanel>
-        -->
         <!-- Content -->
         <ListBox x:Name="EventList" Grid.Row="1" Margin="12,0,12,0">
             <ListBox.ItemContainerStyle>
@@ -52,4 +47,4 @@
         <shell:ApplicationBar IsVisible="True" IsMenuEnabled="False" Mode="Minimized" Opacity="1.0" >
         </shell:ApplicationBar>
     </phone:PhoneApplicationPage.ApplicationBar>
-</phone:PhoneApplicationPage>
\ No newline at end of file
+</page:PortraitLandscapePage>
\ No newline at end of file
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Events/EventIndexPage.xaml.cs b/CampusAppWP8/CampusAppWP8/Pages/Events/EventIndexPage.xaml.cs
index 2a3626f3..8467626b 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Events/EventIndexPage.xaml.cs
+++ b/CampusAppWP8/CampusAppWP8/Pages/Events/EventIndexPage.xaml.cs
@@ -21,7 +21,7 @@ namespace CampusAppWP8.Pages.Events
     /// <summary>
     /// Overview page of all events.
     /// </summary>
-    public partial class EventIndexPage : PhoneApplicationPage
+    public partial class EventIndexPage : PortraitLandscapePage
     {
         #region Method
 
@@ -29,7 +29,7 @@ namespace CampusAppWP8.Pages.Events
         /// Event Feed object, which contains the RSS models and data.
         /// </summary>
         private static EventFeed eventFeed = null;
-
+        
         #endregion
 
         #region Constructor
@@ -41,7 +41,7 @@ namespace CampusAppWP8.Pages.Events
         {
             this.InitializeComponent();
             this.DefHeader.ProgressVisibility = Visibility.Visible;
-
+        
             ApplicationBarIconButton updateBtn = new ApplicationBarIconButton();
             updateBtn.IconUri = new Uri(Icons.Update, UriKind.Relative);
             updateBtn.Text = AppResources.UpdateBtn;
@@ -108,11 +108,6 @@ namespace CampusAppWP8.Pages.Events
         protected override void OnNavigatedTo(NavigationEventArgs e)
         {
             base.OnNavigatedTo(e);
-
-            if (this.Orientation.Equals(PageOrientation.Landscape) || this.Orientation.Equals(PageOrientation.LandscapeLeft) || this.Orientation.Equals(PageOrientation.LandscapeRight))
-            {
-                ApplicationBar.Mode = Microsoft.Phone.Shell.ApplicationBarMode.Default;
-            }
         }
 
         /// <summary>
@@ -130,26 +125,6 @@ namespace CampusAppWP8.Pages.Events
             base.OnNavigatedFrom(e);
         }
 
-        /// <summary>
-        /// Methods overrides the  OnOrientationChanged-Method.
-        /// </summary>
-        /// <param name="e">orientation changed event args.</param>
-        protected override void OnOrientationChanged(OrientationChangedEventArgs e)
-        {
-            if (e.Orientation == PageOrientation.Landscape
-                || e.Orientation == PageOrientation.LandscapeLeft
-                || e.Orientation == PageOrientation.LandscapeRight)
-            {
-                ApplicationBar.Mode = ApplicationBarMode.Default;
-            }
-            else
-            {
-                ApplicationBar.Mode = ApplicationBarMode.Minimized;
-            }
-
-            base.OnOrientationChanged(e);
-        }
-
         #endregion
 
         #region private
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Events/EventPage.xaml b/CampusAppWP8/CampusAppWP8/Pages/Events/EventPage.xaml
index 27d815f8..34ccfa0b 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Events/EventPage.xaml
+++ b/CampusAppWP8/CampusAppWP8/Pages/Events/EventPage.xaml
@@ -1,4 +1,4 @@
-<phone:PhoneApplicationPage
+<page:PortraitLandscapePage
     x:Class="CampusAppWP8.Pages.Events.EventPage"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
@@ -7,6 +7,7 @@
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:header="clr-namespace:CampusAppWP8.Utility.Lui.Header"
+    xmlns:page="clr-namespace:CampusAppWP8.Utility"
     mc:Ignorable="d"
     FontFamily="{StaticResource PhoneFontFamilyNormal}"
     FontSize="{StaticResource PhoneFontSizeNormal}"
@@ -62,4 +63,4 @@
         <shell:ApplicationBar IsVisible="True" IsMenuEnabled="False" Mode="Default" Opacity="1.0" >
         </shell:ApplicationBar>
     </phone:PhoneApplicationPage.ApplicationBar>
-</phone:PhoneApplicationPage>
\ No newline at end of file
+</page:PortraitLandscapePage>
\ No newline at end of file
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Events/EventPage.xaml.cs b/CampusAppWP8/CampusAppWP8/Pages/Events/EventPage.xaml.cs
index c0fb6c68..f08e99b6 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Events/EventPage.xaml.cs
+++ b/CampusAppWP8/CampusAppWP8/Pages/Events/EventPage.xaml.cs
@@ -25,7 +25,7 @@ namespace CampusAppWP8.Pages.Events
     /// <summary>
     /// EventPage, where every event feed has his own PivotItem.
     /// </summary>
-    public partial class EventPage : PhoneApplicationPage
+    public partial class EventPage : PortraitLandscapePage
     {
         #region Memeber
 
@@ -90,11 +90,6 @@ namespace CampusAppWP8.Pages.Events
         {
             base.OnNavigatedTo(e);
 
-            if (this.Orientation.Equals(PageOrientation.Landscape) || this.Orientation.Equals(PageOrientation.LandscapeLeft) || this.Orientation.Equals(PageOrientation.LandscapeRight))
-            {
-                ApplicationBar.Mode = Microsoft.Phone.Shell.ApplicationBarMode.Default;
-            }
-
             this.DefHeader.ProgressVisibility = Visibility.Visible;
 
             if (this.isNewInstance)
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Exams/Exams.xaml b/CampusAppWP8/CampusAppWP8/Pages/Exams/Exams.xaml
index dcb92263..255c15b9 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Exams/Exams.xaml
+++ b/CampusAppWP8/CampusAppWP8/Pages/Exams/Exams.xaml
@@ -1,4 +1,4 @@
-<phone:PhoneApplicationPage
+<page:PortraitLandscapePage
     x:Class="CampusAppWP8.Pages.Exams.Exams"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
@@ -8,6 +8,7 @@
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:lui="clr-namespace:CampusAppWP8.Utility.Lui.Button"
     xmlns:header="clr-namespace:CampusAppWP8.Utility.Lui.Header"
+    xmlns:page="clr-namespace:CampusAppWP8.Utility"
     FontFamily="{StaticResource PhoneFontFamilyNormal}"
     FontSize="{StaticResource PhoneFontSizeNormal}"
     Foreground="{StaticResource PhoneForegroundBrush}"
@@ -96,4 +97,4 @@
             <lui:UpdateButtonAppBar Click="ExamForceUpdate_Click"/>
         </shell:ApplicationBar>
     </phone:PhoneApplicationPage.ApplicationBar>
-</phone:PhoneApplicationPage>
\ No newline at end of file
+</page:PortraitLandscapePage>
\ No newline at end of file
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Exams/Exams.xaml.cs b/CampusAppWP8/CampusAppWP8/Pages/Exams/Exams.xaml.cs
index 3dfbda47..90241e14 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Exams/Exams.xaml.cs
+++ b/CampusAppWP8/CampusAppWP8/Pages/Exams/Exams.xaml.cs
@@ -24,7 +24,7 @@ namespace CampusAppWP8.Pages.Exams
     /// <summary> class of ExamsPage. </summary>
     /// <remarks> Stubbfel, 02.09.2013. </remarks>
     /// <seealso cref="T:Microsoft.Phone.Controls.PhoneApplicationPage"/>
-    public partial class Exams : PhoneApplicationPage
+    public partial class Exams : PortraitLandscapePage
     {
         #region Member
 
@@ -62,11 +62,6 @@ namespace CampusAppWP8.Pages.Exams
         {
             base.OnNavigatedTo(e);
 
-            if (this.Orientation.Equals(PageOrientation.Landscape) || this.Orientation.Equals(PageOrientation.LandscapeLeft) || this.Orientation.Equals(PageOrientation.LandscapeRight))
-            {
-                ApplicationBar.Mode = Microsoft.Phone.Shell.ApplicationBarMode.Default;
-            }
-
             if (this.feed == null)
             {
                 this.InitializeFeed();
@@ -93,23 +88,6 @@ namespace CampusAppWP8.Pages.Exams
             }
         }
 
-        /// <summary>
-        /// On orientation changed.
-        /// </summary>
-        /// <param name="sender">sender object</param>
-        /// <param name="e">event args</param>
-        protected override void OnOrientationChanged(OrientationChangedEventArgs e)
-        {
-            if (e.Orientation.Equals(PageOrientation.Landscape) || e.Orientation.Equals(PageOrientation.LandscapeLeft) || e.Orientation.Equals(PageOrientation.LandscapeRight))
-            {
-                ApplicationBar.Mode = Microsoft.Phone.Shell.ApplicationBarMode.Default;
-            }
-            else
-            {
-                ApplicationBar.Mode = Microsoft.Phone.Shell.ApplicationBarMode.Minimized;
-            }
-            base.OnOrientationChanged(e);
-        }
         #endregion
 
         #region private
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Links/LinkPage.xaml b/CampusAppWP8/CampusAppWP8/Pages/Links/LinkPage.xaml
index 72007c69..e0d44290 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Links/LinkPage.xaml
+++ b/CampusAppWP8/CampusAppWP8/Pages/Links/LinkPage.xaml
@@ -1,4 +1,4 @@
-<phone:PhoneApplicationPage
+<page:PortraitLandscapePage
     x:Class="CampusAppWP8.Pages.Links.LinkPage"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
@@ -8,12 +8,12 @@
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:lui="clr-namespace:CampusAppWP8.Utility.Lui.Button"
     xmlns:header="clr-namespace:CampusAppWP8.Utility.Lui.Header"
+    xmlns:page="clr-namespace:CampusAppWP8.Utility"
     mc:Ignorable="d"
     FontFamily="{StaticResource PhoneFontFamilyNormal}"
     FontSize="{StaticResource PhoneFontSizeNormal}"
     Foreground="{StaticResource PhoneForegroundBrush}"
     SupportedOrientations="PortraitOrLandscape"  Orientation="Portrait"
-    OrientationChanged="PhoneApplicationPage_OrientationChanged"
     shell:SystemTray.IsVisible="True">
 
     <!--LayoutRoot ist das Stammraster, in dem alle anderen Seiteninhalte platziert werden-->
@@ -79,4 +79,4 @@
             <lui:UpdateButtonAppBar Click="LinkForceUpdate_Click"/>
         </shell:ApplicationBar>
     </phone:PhoneApplicationPage.ApplicationBar>
-</phone:PhoneApplicationPage>
\ No newline at end of file
+</page:PortraitLandscapePage>
\ No newline at end of file
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Links/LinkPage.xaml.cs b/CampusAppWP8/CampusAppWP8/Pages/Links/LinkPage.xaml.cs
index 0e3a5bac..558883df 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Links/LinkPage.xaml.cs
+++ b/CampusAppWP8/CampusAppWP8/Pages/Links/LinkPage.xaml.cs
@@ -20,7 +20,7 @@ namespace CampusAppWP8.Pages.Links
     /// <summary> Class for the LinkPage. </summary>
     /// <remarks> Stubbfel, 15.10.2013. </remarks>
     /// <seealso cref="T:Microsoft.Phone.Controls.PhoneApplicationPage"/>
-    public partial class LinkPage : PhoneApplicationPage
+    public partial class LinkPage : PortraitLandscapePage
     {
         #region Members
 
@@ -57,11 +57,6 @@ namespace CampusAppWP8.Pages.Links
         {
             base.OnNavigatedTo(e);
 
-            if (this.Orientation.Equals(PageOrientation.Landscape) || this.Orientation.Equals(PageOrientation.LandscapeLeft) || this.Orientation.Equals(PageOrientation.LandscapeRight))
-            {
-                ApplicationBar.Mode = Microsoft.Phone.Shell.ApplicationBarMode.Default;
-            }
-
             this.InitializeFeeds();
 
             this.DefHeader.ProgressVisibility = Visibility.Visible;
@@ -199,22 +194,6 @@ namespace CampusAppWP8.Pages.Links
             } 
         }
 
-        /// <summary> Method handle OrientationPage. </summary>
-        /// <remarks> Stubbfel, 15.10.2013. </remarks>
-        /// <param name="sender"> Caller of the function. </param>
-        /// <param name="e">      some EventArgs. </param>
-        private void PhoneApplicationPage_OrientationChanged(object sender, OrientationChangedEventArgs e)
-        {
-            if (this.Orientation == PageOrientation.LandscapeLeft || this.Orientation == PageOrientation.LandscapeRight)
-            {
-                ApplicationBar.Mode = Microsoft.Phone.Shell.ApplicationBarMode.Default;
-            }
-            else
-            {
-                ApplicationBar.Mode = Microsoft.Phone.Shell.ApplicationBarMode.Minimized;
-            }
-        }
-
         #endregion
 
         #endregion
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Mensa/MensaPage.xaml b/CampusAppWP8/CampusAppWP8/Pages/Mensa/MensaPage.xaml
index 07850aa1..f15fe48e 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Mensa/MensaPage.xaml
+++ b/CampusAppWP8/CampusAppWP8/Pages/Mensa/MensaPage.xaml
@@ -1,4 +1,4 @@
-<phone:PhoneApplicationPage
+<page:PortraitLandscapePage
     x:Class="CampusAppWP8.Pages.Mensa.MensaPage"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
@@ -9,12 +9,12 @@
     xmlns:lui="clr-namespace:CampusAppWP8.Utility.Lui.Button"
     xmlns:header="clr-namespace:CampusAppWP8.Utility.Lui.Header"
     xmlns:toolkit="clr-namespace:Microsoft.Phone.Controls;assembly=Microsoft.Phone.Controls.Toolkit"
+    xmlns:page="clr-namespace:CampusAppWP8.Utility"
     mc:Ignorable="d"
     FontFamily="{StaticResource PhoneFontFamilyNormal}"
     FontSize="{StaticResource PhoneFontSizeNormal}"
     Foreground="{StaticResource PhoneForegroundBrush}"
     SupportedOrientations="PortraitOrLandscape" Orientation="Portrait"
-    OrientationChanged="PhoneApplicationPage_OrientationChanged"
     shell:SystemTray.IsVisible="True">
     <!--LayoutRoot ist das Stammraster, in dem alle anderen Seiteninhalte platziert werden-->
     <Grid x:Name="LayoutRoot" Background="Transparent">
@@ -82,4 +82,4 @@
             </shell:ApplicationBar.MenuItems>
         </shell:ApplicationBar>
     </phone:PhoneApplicationPage.ApplicationBar>
-</phone:PhoneApplicationPage>
\ No newline at end of file
+</page:PortraitLandscapePage>
\ No newline at end of file
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Mensa/MensaPage.xaml.cs b/CampusAppWP8/CampusAppWP8/Pages/Mensa/MensaPage.xaml.cs
index ac8acaec..9538c82e 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Mensa/MensaPage.xaml.cs
+++ b/CampusAppWP8/CampusAppWP8/Pages/Mensa/MensaPage.xaml.cs
@@ -24,7 +24,7 @@ namespace CampusAppWP8.Pages.Mensa
     /// <summary> Class for the MensaPage. </summary>
     /// <remarks> Stubbfel, 15.10.2013. </remarks>
     /// <seealso cref="T:Microsoft.Phone.Controls.PhoneApplicationPage"/>
-    public partial class MensaPage : PhoneApplicationPage
+    public partial class MensaPage : PortraitLandscapePage
     {
         #region Members
 
@@ -92,11 +92,6 @@ namespace CampusAppWP8.Pages.Mensa
         {
             base.OnNavigatedTo(e);
 
-            if (this.Orientation.Equals(PageOrientation.Landscape) || this.Orientation.Equals(PageOrientation.LandscapeLeft) || this.Orientation.Equals(PageOrientation.LandscapeRight))
-            {
-                ApplicationBar.Mode = Microsoft.Phone.Shell.ApplicationBarMode.Default;
-            }
-
             this.InitializeFeed();
         }
 
@@ -370,22 +365,6 @@ namespace CampusAppWP8.Pages.Mensa
             this.InitializeFeed(CampusAppWPortalLib8.Model.Settings.Campus.SFB_MAIN);
         }
 
-        /// <summary> Method handle OrientationPage. </summary>
-        /// <remarks> Stubbfel, 15.10.2013. </remarks>
-        /// <param name="sender"> Caller of the function. </param>
-        /// <param name="e">      some EventArgs. </param>
-        private void PhoneApplicationPage_OrientationChanged(object sender, OrientationChangedEventArgs e)
-        {
-            if (this.Orientation == PageOrientation.LandscapeLeft || this.Orientation == PageOrientation.LandscapeRight)
-            {
-                ApplicationBar.Mode = Microsoft.Phone.Shell.ApplicationBarMode.Default;
-            }
-            else
-            {
-                ApplicationBar.Mode = Microsoft.Phone.Shell.ApplicationBarMode.Minimized;
-            }
-        }
-
         /// <summary> Event handler. Called by MenuItem for click events. </summary>
         /// <remarks> Stubbfel, 14.10.2013. </remarks>
         /// <param name="sender"> button object. </param>
diff --git a/CampusAppWP8/CampusAppWP8/Pages/News/NewsIndexPage.xaml b/CampusAppWP8/CampusAppWP8/Pages/News/NewsIndexPage.xaml
index e6d1517f..8102ef88 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/News/NewsIndexPage.xaml
+++ b/CampusAppWP8/CampusAppWP8/Pages/News/NewsIndexPage.xaml
@@ -1,4 +1,4 @@
-<phone:PhoneApplicationPage
+<page:PortraitLandscapePage
     x:Class="CampusAppWP8.Pages.News.NewsIndexPage"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
@@ -8,6 +8,7 @@
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:lui="clr-namespace:CampusAppWP8.Utility.Lui.Button"
     xmlns:header="clr-namespace:CampusAppWP8.Utility.Lui.Header"
+    xmlns:page="clr-namespace:CampusAppWP8.Utility"
     FontFamily="{StaticResource PhoneFontFamilyNormal}"
     FontSize="{StaticResource PhoneFontSizeNormal}"
     Foreground="{StaticResource PhoneForegroundBrush}"
@@ -60,4 +61,4 @@
         <shell:ApplicationBar IsVisible="True" IsMenuEnabled="False" Mode="Minimized"  Opacity="1.0" >
         </shell:ApplicationBar>
     </phone:PhoneApplicationPage.ApplicationBar>
-</phone:PhoneApplicationPage>
\ No newline at end of file
+</page:PortraitLandscapePage>
\ No newline at end of file
diff --git a/CampusAppWP8/CampusAppWP8/Pages/News/NewsIndexPage.xaml.cs b/CampusAppWP8/CampusAppWP8/Pages/News/NewsIndexPage.xaml.cs
index 9939d43f..2a443de4 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/News/NewsIndexPage.xaml.cs
+++ b/CampusAppWP8/CampusAppWP8/Pages/News/NewsIndexPage.xaml.cs
@@ -21,7 +21,7 @@ namespace CampusAppWP8.Pages.News
     /// <summary>
     /// Overview page of all news.
     /// </summary>
-    public partial class NewsIndexPage : PhoneApplicationPage
+    public partial class NewsIndexPage : PortraitLandscapePage
     {
         #region Member
 
@@ -97,20 +97,6 @@ namespace CampusAppWP8.Pages.News
 
         #region protected
 
-        /// <summary>
-        /// On navigation to this page, creates a FeedEventHandler and load the RSS feed data.
-        /// </summary>
-        /// <param name="e">event args</param>
-        protected override void OnNavigatedTo(NavigationEventArgs e)
-        {
-            base.OnNavigatedTo(e);
-
-            if (this.Orientation.Equals(PageOrientation.Landscape) || this.Orientation.Equals(PageOrientation.LandscapeLeft) || this.Orientation.Equals(PageOrientation.LandscapeRight))
-            {
-                ApplicationBar.Mode = Microsoft.Phone.Shell.ApplicationBarMode.Default;
-            }
-        }
-
         /// <summary>
         /// Methods overrides the  OnNavigatedFrom-Method
         /// </summary>
@@ -130,26 +116,6 @@ namespace CampusAppWP8.Pages.News
 
         #region private
 
-        /// <summary>
-        /// Methods overrides the OnOrientationChanged-Method.
-        /// </summary>
-        /// <param name="e">orientation changed event args.</param>
-        protected override void OnOrientationChanged(OrientationChangedEventArgs e)
-        {
-            if (e.Orientation == PageOrientation.LandscapeRight
-                || e.Orientation == PageOrientation.LandscapeLeft
-                || e.Orientation == PageOrientation.Landscape)
-            {
-                ApplicationBar.Mode = ApplicationBarMode.Default;
-            }
-            else
-            {
-                ApplicationBar.Mode = ApplicationBarMode.Minimized;
-            }
-
-            base.OnOrientationChanged(e);
-        }
-
         /// <summary>
         /// Is called after the RSS feeds are loaded into the newsFeed model. 
         /// If there was no feed information set to the UI, the feed list 
diff --git a/CampusAppWP8/CampusAppWP8/Pages/News/NewsPage.xaml b/CampusAppWP8/CampusAppWP8/Pages/News/NewsPage.xaml
index 797ae08c..855ec90d 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/News/NewsPage.xaml
+++ b/CampusAppWP8/CampusAppWP8/Pages/News/NewsPage.xaml
@@ -1,4 +1,4 @@
-<phone:PhoneApplicationPage
+<page:PortraitLandscapePage
     x:Class="CampusAppWP8.Pages.News.NewsPage"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
@@ -7,6 +7,7 @@
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:header="clr-namespace:CampusAppWP8.Utility.Lui.Header"
+    xmlns:page="clr-namespace:CampusAppWP8.Utility"
     mc:Ignorable="d"
     FontFamily="{StaticResource PhoneFontFamilyNormal}"
     FontSize="{StaticResource PhoneFontSizeNormal}"
@@ -61,4 +62,4 @@
         <shell:ApplicationBar IsVisible="True" IsMenuEnabled="False" Mode="Default"  Opacity="1.0" >
         </shell:ApplicationBar>
     </phone:PhoneApplicationPage.ApplicationBar>
-</phone:PhoneApplicationPage>
+</page:PortraitLandscapePage>
diff --git a/CampusAppWP8/CampusAppWP8/Pages/News/NewsPage.xaml.cs b/CampusAppWP8/CampusAppWP8/Pages/News/NewsPage.xaml.cs
index b677cbe6..83100fba 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/News/NewsPage.xaml.cs
+++ b/CampusAppWP8/CampusAppWP8/Pages/News/NewsPage.xaml.cs
@@ -23,7 +23,7 @@ namespace CampusAppWP8.Pages.News
     /// <summary>
     /// EventPage, where every news fees has his own PivotItem.
     /// </summary>
-    public partial class NewsPage : PhoneApplicationPage
+    public partial class NewsPage : PortraitLandscapePage
     {
         /// <summary>
         /// for checking if the feed source is already set or not.
@@ -76,11 +76,6 @@ namespace CampusAppWP8.Pages.News
         {
             base.OnNavigatedTo(e);
 
-            if (this.Orientation.Equals(PageOrientation.Landscape) || this.Orientation.Equals(PageOrientation.LandscapeLeft) || this.Orientation.Equals(PageOrientation.LandscapeRight))
-            {
-                ApplicationBar.Mode = Microsoft.Phone.Shell.ApplicationBarMode.Default;
-            }
-
             this.DefHeader.ProgressVisibility = Visibility.Visible;
 
             if (this.isNewInstance)
@@ -151,24 +146,6 @@ namespace CampusAppWP8.Pages.News
             }
         }
 
-        /*
-        protected override void OnOrientationChanged(OrientationChangedEventArgs e)
-        {
-            if (e.Orientation == PageOrientation.Landscape
-                || e.Orientation == PageOrientation.LandscapeLeft
-                || e.Orientation == PageOrientation.LandscapeRight)
-            {
-                ApplicationBar.Mode = ApplicationBarMode.Default;
-            }
-            else
-            {
-                ApplicationBar.Mode = ApplicationBarMode.Minimized;
-            }
-            
-            base.OnOrientationChanged(e);
-        }
-        */
-
         /// <summary>
         /// Called when the index of the selected PivotItem is changed.
         /// Set the text Grid to visible and the WebBrowser to collapsed.
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Openinghours/OpeninghoursPage.xaml b/CampusAppWP8/CampusAppWP8/Pages/Openinghours/OpeninghoursPage.xaml
index 67c5df8f..672f1be3 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Openinghours/OpeninghoursPage.xaml
+++ b/CampusAppWP8/CampusAppWP8/Pages/Openinghours/OpeninghoursPage.xaml
@@ -1,4 +1,4 @@
-<phone:PhoneApplicationPage
+<page:PortraitLandscapePage
     x:Class="CampusAppWP8.Pages.Openinghours.OpeninghoursPage"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
@@ -8,6 +8,7 @@
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:lui="clr-namespace:CampusAppWP8.Utility.Lui.Button"
     xmlns:header="clr-namespace:CampusAppWP8.Utility.Lui.Header"
+    xmlns:page="clr-namespace:CampusAppWP8.Utility"
     FontFamily="{StaticResource PhoneFontFamilyNormal}"
     FontSize="{StaticResource PhoneFontSizeNormal}"
     Foreground="{StaticResource PhoneForegroundBrush}"
@@ -131,4 +132,4 @@
             <lui:UpdateButtonAppBar Click="OpenHoursForceUpdate_Click"/>
         </shell:ApplicationBar>
     </phone:PhoneApplicationPage.ApplicationBar>
-</phone:PhoneApplicationPage>
\ No newline at end of file
+</page:PortraitLandscapePage>
\ No newline at end of file
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Openinghours/OpeninghoursPage.xaml.cs b/CampusAppWP8/CampusAppWP8/Pages/Openinghours/OpeninghoursPage.xaml.cs
index 66aa0e24..68775ab2 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Openinghours/OpeninghoursPage.xaml.cs
+++ b/CampusAppWP8/CampusAppWP8/Pages/Openinghours/OpeninghoursPage.xaml.cs
@@ -20,7 +20,7 @@ namespace CampusAppWP8.Pages.Openinghours
     /// <summary>
     /// Opening hours page.
     /// </summary>
-    public partial class OpeninghoursPage : PhoneApplicationPage
+    public partial class OpeninghoursPage : PortraitLandscapePage
     {
         #region Members
 
@@ -72,11 +72,6 @@ namespace CampusAppWP8.Pages.Openinghours
         {
             base.OnNavigatedTo(e);
 
-            if (this.Orientation.Equals(PageOrientation.Landscape) || this.Orientation.Equals(PageOrientation.LandscapeLeft) || this.Orientation.Equals(PageOrientation.LandscapeRight))
-            {
-                ApplicationBar.Mode = Microsoft.Phone.Shell.ApplicationBarMode.Default;
-            }
-
             if (this.isNewInstance)
             {
                 if ((this.feed == null) || (this.feed.Model == null))
@@ -113,26 +108,6 @@ namespace CampusAppWP8.Pages.Openinghours
 
         }
 
-        /// <summary>
-        /// Override the OnOrientationChanged method.
-        /// </summary>
-        /// <param name="e">orientation changed event args.</param>
-        protected override void OnOrientationChanged(OrientationChangedEventArgs e)
-        {
-            if (e.Orientation == PageOrientation.Landscape
-                || e.Orientation == PageOrientation.LandscapeLeft
-                || e.Orientation == PageOrientation.LandscapeRight)
-            {
-                ApplicationBar.Mode = Microsoft.Phone.Shell.ApplicationBarMode.Default;
-            }
-            else
-            {
-                ApplicationBar.Mode = Microsoft.Phone.Shell.ApplicationBarMode.Minimized;
-            }
-
-            base.OnOrientationChanged(e);
-        }
-
         // protected
         #endregion
 
diff --git a/CampusAppWP8/CampusAppWP8/Pages/PlaceNews/PlaceNews.xaml b/CampusAppWP8/CampusAppWP8/Pages/PlaceNews/PlaceNews.xaml
index cf5ae132..c5cd9bdc 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/PlaceNews/PlaceNews.xaml
+++ b/CampusAppWP8/CampusAppWP8/Pages/PlaceNews/PlaceNews.xaml
@@ -1,4 +1,4 @@
-<phone:PhoneApplicationPage
+<page:PortraitLandscapePage
     x:Class="CampusAppWP8.Pages.PlaceNews.PlaceNews"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
@@ -7,6 +7,7 @@
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:lui="clr-namespace:CampusAppWP8.Utility.Lui.Button"
+    xmlns:page="clr-namespace:CampusAppWP8.Utility"
     FontFamily="{StaticResource PhoneFontFamilyNormal}"
     FontSize="{StaticResource PhoneFontSizeNormal}"
     Foreground="{StaticResource PhoneForegroundBrush}"
@@ -57,4 +58,4 @@
             </shell:ApplicationBar.MenuItems>
         </shell:ApplicationBar>
     </phone:PhoneApplicationPage.ApplicationBar>
-</phone:PhoneApplicationPage>
\ No newline at end of file
+</page:PortraitLandscapePage>
\ No newline at end of file
diff --git a/CampusAppWP8/CampusAppWP8/Pages/PlaceNews/PlaceNews.xaml.cs b/CampusAppWP8/CampusAppWP8/Pages/PlaceNews/PlaceNews.xaml.cs
index 5ef73703..d0d1d672 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/PlaceNews/PlaceNews.xaml.cs
+++ b/CampusAppWP8/CampusAppWP8/Pages/PlaceNews/PlaceNews.xaml.cs
@@ -29,7 +29,7 @@ namespace CampusAppWP8.Pages.PlaceNews
     /// <summary> Place news. </summary>
     /// <remarks> Stubbfel, 09.09.2013. </remarks>
     /// <seealso cref="T:Microsoft.Phone.Controls.PhoneApplicationPage"/>
-    public partial class PlaceNews : PhoneApplicationPage
+    public partial class PlaceNews : PortraitLandscapePage
     {
         #region Member
 
diff --git a/CampusAppWP8/CampusAppWP8/Pages/StartPage.xaml b/CampusAppWP8/CampusAppWP8/Pages/StartPage.xaml
index c92da838..a022cd2e 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/StartPage.xaml
+++ b/CampusAppWP8/CampusAppWP8/Pages/StartPage.xaml
@@ -1,4 +1,4 @@
-<phone:PhoneApplicationPage
+<page:PortraitLandscapePage
     x:Class="CampusAppWP8.Pages.StartPage"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
@@ -8,6 +8,7 @@
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:lui="clr-namespace:CampusAppWP8.Utility.Lui.Button"
     xmlns:toolkit="clr-namespace:Microsoft.Phone.Controls;assembly=Microsoft.Phone.Controls.Toolkit"
+    xmlns:page="clr-namespace:CampusAppWP8.Utility"
     FontFamily="{StaticResource PhoneFontFamilyNormal}"
     FontSize="{StaticResource PhoneFontSizeNormal}"
     Foreground="{StaticResource PhoneForegroundBrush}"
@@ -279,4 +280,4 @@
             </shell:ApplicationBar.MenuItems>
         </shell:ApplicationBar>
     </phone:PhoneApplicationPage.ApplicationBar>
-</phone:PhoneApplicationPage>
\ No newline at end of file
+</page:PortraitLandscapePage>
\ No newline at end of file
diff --git a/CampusAppWP8/CampusAppWP8/Pages/StartPage.xaml.cs b/CampusAppWP8/CampusAppWP8/Pages/StartPage.xaml.cs
index 80f8532a..bed4dfcf 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/StartPage.xaml.cs
+++ b/CampusAppWP8/CampusAppWP8/Pages/StartPage.xaml.cs
@@ -29,7 +29,7 @@ namespace CampusAppWP8.Pages
     /// <summary> Class for the StartPage. </summary>
     /// <remarks> Stubbfel, 15.10.2013. </remarks>
     /// <seealso cref="T:Microsoft.Phone.Controls.PhoneApplicationPage"/>
-    public partial class StartPage : PhoneApplicationPage
+    public partial class StartPage : PortraitLandscapePage
     {
         #region Member
 
diff --git a/CampusAppWP8/CampusAppWP8/Pages/StudentCouncil/StudentCouncilPage.xaml b/CampusAppWP8/CampusAppWP8/Pages/StudentCouncil/StudentCouncilPage.xaml
index 25db516a..a731c3fc 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/StudentCouncil/StudentCouncilPage.xaml
+++ b/CampusAppWP8/CampusAppWP8/Pages/StudentCouncil/StudentCouncilPage.xaml
@@ -1,4 +1,4 @@
-<phone:PhoneApplicationPage
+<page:PortraitLandscapePage
     x:Class="CampusAppWP8.Pages.StudentCouncil.StudentCouncilPage"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
@@ -8,6 +8,7 @@
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:header="clr-namespace:CampusAppWP8.Utility.Lui.Header"
+    xmlns:page="clr-namespace:CampusAppWP8.Utility"
     mc:Ignorable="d"
     FontFamily="{StaticResource PhoneFontFamilyNormal}"
     FontSize="{StaticResource PhoneFontSizeNormal}"
@@ -70,4 +71,4 @@
             <lui:UpdateButtonAppBar Click="StudentForceUpdate_Click"/>
         </shell:ApplicationBar>
     </phone:PhoneApplicationPage.ApplicationBar>
-</phone:PhoneApplicationPage>
\ No newline at end of file
+</page:PortraitLandscapePage>
\ No newline at end of file
diff --git a/CampusAppWP8/CampusAppWP8/Pages/StudentCouncil/StudentCouncilPage.xaml.cs b/CampusAppWP8/CampusAppWP8/Pages/StudentCouncil/StudentCouncilPage.xaml.cs
index 81615043..5be5c0f6 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/StudentCouncil/StudentCouncilPage.xaml.cs
+++ b/CampusAppWP8/CampusAppWP8/Pages/StudentCouncil/StudentCouncilPage.xaml.cs
@@ -20,7 +20,7 @@ namespace CampusAppWP8.Pages.StudentCouncil
     /// <summary> Class for the  StudentCouncilPage. </summary>
     /// <remarks> Stubbfel, 15.10.2013. </remarks>
     /// <seealso cref="T:Microsoft.Phone.Controls.PhoneApplicationPage"/>
-    public partial class StudentCouncilPage : PhoneApplicationPage
+    public partial class StudentCouncilPage : PortraitLandscapePage
     {
         #region Members
 
@@ -52,11 +52,6 @@ namespace CampusAppWP8.Pages.StudentCouncil
         {
             base.OnNavigatedTo(e);
 
-            if (this.Orientation.Equals(PageOrientation.Landscape) || this.Orientation.Equals(PageOrientation.LandscapeLeft) || this.Orientation.Equals(PageOrientation.LandscapeRight))
-            {
-                ApplicationBar.Mode = Microsoft.Phone.Shell.ApplicationBarMode.Default;
-            }
-
             if (this.feed == null)
             {
                 this.InitializeFeed();
@@ -74,25 +69,6 @@ namespace CampusAppWP8.Pages.StudentCouncil
             this.feed.SaveData();
         }
 
-        /// <summary> Override the OnOrientationChanged method. </summary>
-        /// <remarks> Stubbfel, 15.10.2013. </remarks>
-        /// <seealso cref="M:Microsoft.Phone.Controls.PhoneApplicationPage.OnOrientationChanged(OrientationChangedEventArgs)"/>
-        protected override void OnOrientationChanged(OrientationChangedEventArgs e)
-        {
-            if (e.Orientation == PageOrientation.Landscape
-                || e.Orientation == PageOrientation.LandscapeLeft
-                || e.Orientation == PageOrientation.LandscapeRight)
-            {
-                ApplicationBar.Mode = Microsoft.Phone.Shell.ApplicationBarMode.Default;
-            }
-            else
-            {
-                ApplicationBar.Mode = Microsoft.Phone.Shell.ApplicationBarMode.Minimized;
-            }
-            
-            base.OnOrientationChanged(e);
-        }
-
         #endregion
         #region private
 
diff --git a/CampusAppWP8/CampusAppWP8/Utility/FrameworkAnimator.cs b/CampusAppWP8/CampusAppWP8/Utility/FrameworkAnimator.cs
new file mode 100644
index 00000000..376c0e70
--- /dev/null
+++ b/CampusAppWP8/CampusAppWP8/Utility/FrameworkAnimator.cs
@@ -0,0 +1,72 @@
+//-----------------------------------------------------------------------
+// <copyright file="FrameworkAnimator.cs" company="BTU/IIT">
+// The MIT License (MIT). Copyright (c) 2013 BTU/IIT.
+// </copyright>
+// <author>Fiedler</author>
+// <date>17.10.2013</date>
+// <summary>Implements the framework animator class</summary>
+//-----------------------------------------------------------------------
+namespace CampusAppWP8.Utility
+{
+    using System;
+    using System.Windows;
+    using System.Threading;
+
+
+    /// <summary> A framework animator. </summary>
+    /// <remarks> Fiedler, 18.10.2013. </remarks>
+    public class FrameworkAnimator
+    {
+        /// <summary> An animator parameters. </summary>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
+        private struct AnimatorParams
+        {
+            /// <summary> The element. </summary>
+            public FrameworkElement elem;
+            /// <summary> Duration of the step. </summary>
+            public TimeSpan stepDuration;
+            /// <summary> The step to step. </summary>
+            public TimeSpan stepToStep;
+            /// <summary> The start delay. </summary>
+            public Duration startDelay;
+        }
+
+        /// <summary> Animates the given element. </summary>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
+        /// <param name="elem"> The element. </param>
+        public static void Animate(FrameworkElement elem)
+        {
+            Duration dur = new Duration(TimeSpan.Zero);
+            Animate(elem, dur);
+        }
+
+        /// <summary> Animates the given element. </summary>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
+        /// <param name="elem">    The element. </param>
+        /// <param name="startIn"> The start in. </param>
+        public static void Animate(FrameworkElement elem, Duration startIn)
+        {
+            AnimatorParams param = new AnimatorParams();
+            param.elem = elem;
+            param.startDelay = startIn;
+            param.stepDuration = new TimeSpan(0,0,2);
+            param.stepToStep = new TimeSpan(0,0,1);
+
+            Thread newThread = new Thread(FrameworkAnimator.RealAnimator);
+
+            newThread.Start(param);
+        }
+
+        /// <summary> Real animator. </summary>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
+        /// <param name="param"> The parameter. </param>
+        private static void RealAnimator(object param)
+        {
+            AnimatorParams theParam = (AnimatorParams)param;
+
+            Thread.Sleep(Convert.ToInt32(theParam.startDelay.TimeSpan.TotalMilliseconds));
+
+            // TODO
+        }
+    }
+}
diff --git a/CampusAppWP8/CampusAppWP8/Utility/ListFiller.cs b/CampusAppWP8/CampusAppWP8/Utility/ListFiller.cs
new file mode 100644
index 00000000..dd7a4846
--- /dev/null
+++ b/CampusAppWP8/CampusAppWP8/Utility/ListFiller.cs
@@ -0,0 +1,113 @@
+//-----------------------------------------------------------------------
+// <copyright file="ListFiller.cs" company="BTU/IIT">
+// The MIT License (MIT). Copyright (c) 2013 BTU/IIT.
+// </copyright>
+// <author>Fiedler</author>
+// <date>18.10.2013</date>
+// <summary>Implements the list filler class</summary>
+//-----------------------------------------------------------------------
+namespace CampusAppWP8.Utility
+{
+    using System;
+    using System.Collections.ObjectModel;
+    using System.Windows;
+    using System.Threading;
+
+    /// <summary> A list filler. </summary>
+    /// <remarks> Fiedler, 18.10.2013. </remarks>
+    /// <typeparam name="T"> Generic type parameter. </typeparam>
+    public class ListFiller<T>
+    {
+        /// <summary> A fill structure. </summary>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
+        private struct FillStruct
+        {
+            /// <summary> Source for the. </summary>
+            public ObservableCollection<T> src;
+            /// <summary> Destination for the. </summary>
+            public ObservableCollection<T> dest;
+            /// <summary> Amount to increment by. </summary>
+            public TimeSpan step;
+            /// <summary> The delay. </summary>
+            public TimeSpan delay;
+            /// <summary> The callback. </summary>
+            public FillCallback callback;
+        }
+
+        /// <summary> Callback, called when the fill. </summary>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
+        public delegate void FillCallback();
+
+        /// <summary> Fills. </summary>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
+        /// <param name="srcList">  List of sources. </param>
+        /// <param name="destList"> List of destinations. </param>
+        public static void Fill(ObservableCollection<T> srcList, ObservableCollection<T> destList)
+        {
+            TimeSpan timeZero = TimeSpan.Zero;
+
+            Fill(srcList, destList, timeZero, timeZero, null);
+        }
+
+        /// <summary> Fills. </summary>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
+        /// <param name="srcList">   List of sources. </param>
+        /// <param name="destList">  List of destinations. </param>
+        /// <param name="stepDelay"> The step delay. </param>
+        public static void Fill(ObservableCollection<T> srcList, ObservableCollection<T> destList, TimeSpan stepDelay)
+        {
+            TimeSpan timeZero = TimeSpan.Zero;
+
+            Fill(srcList, destList, stepDelay, timeZero, null);
+        }
+
+        /// <summary> Fills. </summary>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
+        /// <param name="srcList">    List of sources. </param>
+        /// <param name="destList">   List of destinations. </param>
+        /// <param name="stepDelay">  The step delay. </param>
+        /// <param name="startDelay"> The start delay. </param>
+        /// <param name="callback">   The callback. </param>
+        public static void Fill(ObservableCollection<T> srcList, ObservableCollection<T> destList, TimeSpan stepDelay, TimeSpan startDelay, FillCallback callback)
+        {
+            FillStruct param = new FillStruct();
+            param.src = srcList;
+            param.dest = destList;
+            param.step = stepDelay;
+            param.delay = startDelay;
+            param.callback = callback;
+
+            Thread newThread = new Thread(ListFiller<T>.FillThread);
+
+            newThread.Start(param);
+        }
+
+        /// <summary> Fill thread. </summary>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
+        /// <param name="paramObj"> The parameter object. </param>
+        private static void FillThread(object paramObj)
+        {
+            FillStruct param = (FillStruct)paramObj;
+
+            Thread.Sleep(Convert.ToInt32(param.delay.TotalMilliseconds));
+
+            foreach (T elem in param.src)
+            {
+                Deployment.Current.Dispatcher.BeginInvoke(() =>
+                {
+                    param.dest.Add(elem);
+                });
+
+                Thread.Sleep(Convert.ToInt32(param.step.TotalMilliseconds));
+            }
+
+            if (param.callback != null)
+            {
+                Deployment.Current.Dispatcher.BeginInvoke(() =>
+                    {
+                        param.callback();
+                    });
+            }
+        }
+    }
+}
diff --git a/CampusAppWP8/CampusAppWP8/Utility/Lui/Button/AddButton.cs b/CampusAppWP8/CampusAppWP8/Utility/Lui/Button/AddButton.cs
new file mode 100644
index 00000000..aa285347
--- /dev/null
+++ b/CampusAppWP8/CampusAppWP8/Utility/Lui/Button/AddButton.cs
@@ -0,0 +1,59 @@
+//-----------------------------------------------------------------------
+// <copyright file="AddButton.cs" company="BTU/IIT">
+// The MIT License (MIT). Copyright (c) 2013 BTU/IIT.
+// </copyright>
+// <author>Fiedler</author>
+// <date>16.10.2013</date>
+// <summary>Implements the add button class</summary>
+//-----------------------------------------------------------------------
+namespace CampusAppWP8.Utility.Lui.Button
+{
+    using System;
+    using System.Windows;
+    using System.Windows.Controls;
+    using System.Windows.Media.Imaging;
+    using CampusAppWP8.Resources;
+
+    /// <summary> An add button. </summary>
+    /// <remarks> Fiedler, 16.10.2013. </remarks>
+    /// <seealso cref="T:System.Windows.Controls.Button"/>
+    public class AddButton : System.Windows.Controls.Button
+    {
+        #region Member
+
+        /// <summary> The value property. </summary>
+        public static readonly DependencyProperty ValueProperty = DependencyProperty.Register("Value", typeof(object), typeof(AddButton), new PropertyMetadata(false));
+
+        /// <summary> The icon. </summary>
+        private static BitmapImage icon = new BitmapImage(new Uri(Icons.Add, UriKind.Relative));
+
+        #endregion
+
+        #region Constructor
+
+        /// <summary> Initializes a new instance of the AddButton class. </summary>
+        /// <remarks> Fiedler, 16.10.2013. </remarks>
+        public AddButton()
+            : base()
+        {
+            this.Content = new Image
+            {
+                Source = icon
+            };
+        }
+
+        #endregion
+
+        #region Property
+
+        /// <summary> Gets or sets the value. </summary>
+        /// <value> The value. </value>
+        public object Value
+        {
+            get { return (object)this.GetValue(ValueProperty); }
+            set { this.SetValue(ValueProperty, value); }
+        }
+
+        #endregion
+    }
+}
diff --git a/CampusAppWP8/CampusAppWP8/Utility/Lui/Button/DelButton.cs b/CampusAppWP8/CampusAppWP8/Utility/Lui/Button/DelButton.cs
new file mode 100644
index 00000000..a9871127
--- /dev/null
+++ b/CampusAppWP8/CampusAppWP8/Utility/Lui/Button/DelButton.cs
@@ -0,0 +1,59 @@
+//-----------------------------------------------------------------------
+// <copyright file="DelButton.cs" company="BTU/IIT">
+// The MIT License (MIT). Copyright (c) 2013 BTU/IIT.
+// </copyright>
+// <author>Fiedler</author>
+// <date>18.10.2013</date>
+// <summary>Implements the delete button class</summary>
+//-----------------------------------------------------------------------
+namespace CampusAppWP8.Utility.Lui.Button
+{
+    using System;
+    using System.Windows;
+    using System.Windows.Controls;
+    using System.Windows.Media.Imaging;
+    using CampusAppWP8.Resources;
+
+    /// <summary> A delete button. </summary>
+    /// <remarks> Fiedler, 18.10.2013. </remarks>
+    /// <seealso cref="T:System.Windows.Controls.Button"/>
+    public class DelButton : System.Windows.Controls.Button
+    {
+        #region Member
+
+        /// <summary> The value property. </summary>
+        public static readonly DependencyProperty ValueProperty = DependencyProperty.Register("Value", typeof(object), typeof(DelButton), new PropertyMetadata(false));
+
+        /// <summary> The icon. </summary>
+        private static BitmapImage icon = new BitmapImage(new Uri(Icons.Delete, UriKind.Relative));
+
+        #endregion
+
+        #region Constructor
+
+        /// <summary> Initializes a new instance of the DelButton class. </summary>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
+        public DelButton()
+            : base()
+        {
+            this.Content = new Image
+            {
+                Source = icon
+            };
+        }
+
+        #endregion
+
+        #region Property
+
+        /// <summary> Gets or sets the value. </summary>
+        /// <value> The value. </value>
+        public object Value
+        {
+            get { return (object)this.GetValue(ValueProperty); }
+            set { this.SetValue(ValueProperty, value); }
+        }
+
+        #endregion
+    }
+}
diff --git a/CampusAppWP8/CampusAppWP8/Utility/PortraitLandscapePage.cs b/CampusAppWP8/CampusAppWP8/Utility/PortraitLandscapePage.cs
new file mode 100644
index 00000000..5d962215
--- /dev/null
+++ b/CampusAppWP8/CampusAppWP8/Utility/PortraitLandscapePage.cs
@@ -0,0 +1,92 @@
+//-----------------------------------------------------------------------
+// <copyright file="PortraitLandscapePage.cs" company="BTU/IIT">
+// The MIT License (MIT). Copyright (c) 2013 BTU/IIT.
+// </copyright>
+// <author>Fiedler</author>
+// <date>21.10.2013</date>
+// <summary>Implements the portrait landscape page class</summary>
+//-----------------------------------------------------------------------
+namespace CampusAppWP8.Utility
+{
+    using System.Windows;
+    using Microsoft.Phone.Controls;
+    using Microsoft.Phone.Shell;
+
+    /// <summary> A portrait landscape page. </summary>
+    /// <remarks> Fiedler, 21.10.2013. </remarks>
+    /// <seealso cref="T:Microsoft.Phone.Controls.PhoneApplicationPage"/>
+    public class PortraitLandscapePage : PhoneApplicationPage
+    {
+        /// <summary> The default application bar mode. </summary>
+        private ApplicationBarMode defaultApplicationBarMode;
+        private bool isDefaultModeSet = false;
+
+        /// <summary> Initializes a new instance of the PortraitLandscapePage class. </summary>
+        /// <remarks> Fiedler, 21.10.2013. </remarks>
+        protected PortraitLandscapePage() : base()
+        {
+        }
+
+        /// <summary> Wird aufgerufen, wenn eine Seite die aktive Seite in einem Frame wird. </summary>
+        /// <remarks> Fiedler, 21.10.2013. </remarks>
+        /// <seealso cref="M:System.Windows.Controls.Page.OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs)"/>
+        protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e)
+        {
+            if(this.ApplicationBar != null && this.isDefaultModeSet == false)
+            {
+                this.defaultApplicationBarMode = this.ApplicationBar.Mode;
+                this.isDefaultModeSet = true;
+            }
+
+            base.OnNavigatedTo(e);
+
+            if (this.ApplicationBar != null)
+            {
+                if (this.Orientation.Equals(PageOrientation.Landscape) || this.Orientation.Equals(PageOrientation.LandscapeLeft) || this.Orientation.Equals(PageOrientation.LandscapeRight))
+                {
+                    this.ApplicationBar.Mode = ApplicationBarMode.Default;
+                }
+            }
+        }
+
+        /// <summary> Wird aufgerufen, nachdem die Orientation-Eigenschaft geändert wurde. </summary>
+        /// <remarks> Fiedler, 21.10.2013. </remarks>
+        /// <seealso cref="M:Microsoft.Phone.Controls.PhoneApplicationPage.OnOrientationChanged(OrientationChangedEventArgs)"/>
+        protected override void OnOrientationChanged(OrientationChangedEventArgs e)
+        {
+            if (this.ApplicationBar != null)
+            {
+                if (this.defaultApplicationBarMode.Equals(ApplicationBarMode.Minimized))
+                {
+                    if (e.Orientation.Equals(PageOrientation.Landscape) || e.Orientation.Equals(PageOrientation.LandscapeLeft) || e.Orientation.Equals(PageOrientation.LandscapeRight))
+                    {
+                        this.ApplicationBar.Mode = ApplicationBarMode.Default;
+                        this.OnSwitchedToLandscape(e);
+                    }
+                    else
+                    {
+                        this.ApplicationBar.Mode = ApplicationBarMode.Minimized;
+                        this.OnSwitchedToPortrait(e);
+                    }
+
+                }
+            }
+
+            base.OnOrientationChanged(e);
+        }
+
+        /// <summary> Raises the orientation changed event. </summary>
+        /// <remarks> Fiedler, 21.10.2013. </remarks>
+        /// <param name="e"> Event information to send to registered event handlers. </param>
+        protected virtual void OnSwitchedToLandscape(OrientationChangedEventArgs e)
+        {
+        }
+
+        /// <summary> Raises the orientation changed event. </summary>
+        /// <remarks> Fiedler, 21.10.2013. </remarks>
+        /// <param name="e"> Event information to send to registered event handlers. </param>
+        protected virtual void OnSwitchedToPortrait(OrientationChangedEventArgs e)
+        {
+        }
+    }
+}
diff --git a/CampusAppWP8/CampusAppWPortalLib8/Model/Departments/ChairModel.cs b/CampusAppWP8/CampusAppWPortalLib8/Model/Departments/ChairModel.cs
index ac3cf6c9..65d8663b 100644
--- a/CampusAppWP8/CampusAppWPortalLib8/Model/Departments/ChairModel.cs
+++ b/CampusAppWP8/CampusAppWPortalLib8/Model/Departments/ChairModel.cs
@@ -8,12 +8,13 @@
 //-----------------------------------------------------------------------
 namespace CampusAppWPortalLib8.Model.Departments
 {
+    using System.ComponentModel;
     using System.Globalization;
     using System.Xml.Serialization;
 
     /// <summary> Class to hold information about a professorship chair. </summary>
     /// <remarks> fiedlchr, 15.10.2013. </remarks>
-    public class ChairModel
+    public class ChairModel : INotifyPropertyChanged
     {
         #region Member
 
@@ -27,7 +28,7 @@ namespace CampusAppWPortalLib8.Model.Departments
         private string nameEN = string.Empty;
 
         #endregion
-
+        
         #region Constructor
 
         /// <summary> Initializes a new instance of the <see cref="ChairModel" /> class. </summary>
@@ -36,10 +37,6 @@ namespace CampusAppWPortalLib8.Model.Departments
         {
         }
 
-        #endregion
-
-        #region Property
-
         /// <summary> Initializes a new instance of the <see cref="ChairModel" /> class. </summary>
         /// <remarks> fiedlchr, 15.10.2013. </remarks>
         /// <param name="name"> name of the chair. </param>
@@ -49,6 +46,17 @@ namespace CampusAppWPortalLib8.Model.Departments
             this.nameEN = name;
         }
 
+        #endregion
+
+        #region event
+
+        /// <summary> Occurs when Property Changed. </summary>
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        #endregion
+
+        #region Property
+        
         /// <summary> Gets or sets the german name of the chair. </summary>
         /// <value> The name de. </value>
         [XmlAttribute("name_de")]
@@ -124,5 +132,16 @@ namespace CampusAppWPortalLib8.Model.Departments
         }
 
         #endregion
+
+        /// <summary> Notifies a property changed. </summary>
+        /// <remarks> fiedlchr, 15.10.2013. </remarks>
+        /// <param name="info"> The information. </param>
+        private void NotifyPropertyChanged(string info)
+        {
+            if (this.PropertyChanged != null)
+            {
+                this.PropertyChanged(this, new PropertyChangedEventArgs(info));
+            }
+        }
     }
 }
diff --git a/CampusAppWP8/CampusAppWPortalLib8/Model/Departments/DepartmentModel.cs b/CampusAppWP8/CampusAppWPortalLib8/Model/Departments/DepartmentModel.cs
index 0fc94839..947a52c4 100644
--- a/CampusAppWP8/CampusAppWPortalLib8/Model/Departments/DepartmentModel.cs
+++ b/CampusAppWP8/CampusAppWPortalLib8/Model/Departments/DepartmentModel.cs
@@ -75,6 +75,25 @@ namespace CampusAppWPortalLib8.Model.Departments
 
         #region Method
 
+        /// <summary> Gets faculty model. </summary>
+        /// <remarks> Fiedler, 18.10.2013. </remarks>
+        /// <param name="id"> The identifier. </param>
+        /// <returns> The faculty model. </returns>
+        public FacultyModel GetFacultyModel(string id)
+        {
+            FacultyModel retValue = null;
+
+            foreach (FacultyModel m in this.faculties)
+            {
+                if (m.Id.Equals(id))
+                {
+                    retValue = m;
+                }
+            }
+
+            return retValue;
+        }
+
         /// <summary>
         ///     Check if the content of the faculty lists hast changed since the last call of this
         ///     function.