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