diff --git a/CampusAppWP8/CampusAppWP8/CampusAppWP8.csproj b/CampusAppWP8/CampusAppWP8/CampusAppWP8.csproj
index 51e1d511..4b39a196 100644
--- a/CampusAppWP8/CampusAppWP8/CampusAppWP8.csproj
+++ b/CampusAppWP8/CampusAppWP8/CampusAppWP8.csproj
@@ -295,6 +295,7 @@
     <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 ec59d87e..6077a8c2 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentFavoritePage.xaml
+++ b/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentFavoritePage.xaml
@@ -11,7 +11,7 @@
     FontFamily="{StaticResource PhoneFontFamilyNormal}"
     FontSize="{StaticResource PhoneFontSizeNormal}"
     Foreground="{StaticResource PhoneForegroundBrush}"
-    SupportedOrientations="Portrait" Orientation="Portrait"
+    SupportedOrientations="PortraitOrLandscape" Orientation="Portrait"
     mc:Ignorable="d"
     shell:SystemTray.IsVisible="True">
 
@@ -26,10 +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">
-            <Style TargetType="ListBox">
-                <Setter Property="ScrollViewer.HorizontalScrollBarVisibility" Value="Disabled"/>
-            </Style>
+        <ListBox x:Name="TheList" ItemsSource="{Binding}" Grid.Row="1" Margin="12,0,12,0">
             <ListBox.ItemContainerStyle>
                 <Style TargetType="ListBoxItem">
                     <Setter Property="HorizontalContentAlignment" Value="Stretch"/>
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentFavoritePage.xaml.cs b/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentFavoritePage.xaml.cs
index 9693f93f..6d15c1a5 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentFavoritePage.xaml.cs
+++ b/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentFavoritePage.xaml.cs
@@ -8,10 +8,12 @@
 namespace CampusAppWP8.Pages.Departments
 {
     using System.Windows;
+    using System.Collections.ObjectModel;
     using System.Windows.Navigation;
     using CampusAppWP8.Resources;
     using CampusAppWP8.Utility.Lui.Button;
     using Microsoft.Phone.Controls;
+    using CampusAppWPortalLib8.Model.Departments;
 
     /// <summary> Page to visualize the favorite department list. </summary>
     /// <remarks> Fiedler, 18.10.2013. </remarks>
@@ -75,9 +77,9 @@ namespace CampusAppWP8.Pages.Departments
         /// <remarks> Fiedler, 18.10.2013. </remarks>
         private void SetListSource()
         {
-            if (this.ContentPanel.ItemsSource == null)
+            if (this.TheList.ItemsSource == null)
             {
-                this.ContentPanel.ItemsSource = DepartmentIndexPage.FavoriteFeed.Model.Faculties[0].Chairs;
+                this.TheList.ItemsSource = DepartmentIndexPage.FavoriteFeed.Model.Faculties[0].Chairs;
             }
 
             this.DefHeader.ProgressVisibility = Visibility.Collapsed;
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 88cdd155..154c14cb 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentIndexPage.xaml.cs
+++ b/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentIndexPage.xaml.cs
@@ -20,13 +20,12 @@ namespace CampusAppWP8.Pages.Departments
     /// <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 : PhoneApplicationPage
+    public partial class DepartmentIndexPage : PortraitLandscapePage
     {
         #region Member
 
         /// <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>
         private static DepartmentFavoriteFile favorite = null;
 
@@ -38,7 +37,7 @@ namespace CampusAppWP8.Pages.Departments
         ///     Initializes a new instance of the <see cref="DepartmentIndexPage" /> class.
         /// </summary>
         /// <remarks> Fiedler, 18.10.2013. </remarks>
-        public DepartmentIndexPage()
+        public DepartmentIndexPage() : base()
         {
             this.InitializeComponent();
             this.DefHeader.ProgressVisibility = Visibility.Visible;
@@ -116,12 +115,7 @@ namespace CampusAppWP8.Pages.Departments
         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")) {
@@ -147,22 +141,6 @@ namespace CampusAppWP8.Pages.Departments
 
         #region private
 
-        /// <summary> On orientation changed. </summary>
-        /// <remarks> Fiedler, 18.10.2013. </remarks>
-        /// <param name="sender"> sender object. </param>
-        /// <param name="e">      event args. </param>
-        private void PhoneApplicationPage_OrientationChanged(object sender, 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;
-            }
-        }
-
         /// <summary> Initialize the feed objects and load the data. </summary>
         /// <remarks> Fiedler, 18.10.2013. </remarks>
         /// <param name="onLoaded">   (Optional) the on loaded. </param>
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 5b344271..8dfdfd06 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentPage.xaml
+++ b/CampusAppWP8/CampusAppWP8/Pages/Departments/DepartmentPage.xaml
@@ -36,9 +36,6 @@
             <phone:Pivot.ItemTemplate>
                 <DataTemplate>
                     <ListBox x:Name="TheListBox" ItemsSource="{Binding Path=Chairs, Mode=OneWay}">
-                        <Style TargetType="ListBox">
-                            <Setter Property="ScrollViewer.HorizontalScrollBarVisibility" Value="Disabled"/>
-                        </Style>
                         <ListBox.ItemContainerStyle>
                             <Style TargetType="ListBoxItem">
                                 <Setter Property="HorizontalContentAlignment" Value="Stretch"/>
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/Utility/Lui/Button/DelButton.cs b/CampusAppWP8/CampusAppWP8/Utility/Lui/Button/DelButton.cs
index ca73b475..a9871127 100644
--- a/CampusAppWP8/CampusAppWP8/Utility/Lui/Button/DelButton.cs
+++ b/CampusAppWP8/CampusAppWP8/Utility/Lui/Button/DelButton.cs
@@ -22,7 +22,7 @@ namespace CampusAppWP8.Utility.Lui.Button
         #region Member
 
         /// <summary> The value property. </summary>
-        public static readonly DependencyProperty ValueProperty = DependencyProperty.Register("Value", typeof(object), typeof(AddButton), new PropertyMetadata(false));
+        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));
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)
+        {
+        }
+    }
+}