diff --git a/Customers/Cards_Boxes.aspx b/Customers/Cards_Boxes.aspx
index c34d2c0..313a507 100644
--- a/Customers/Cards_Boxes.aspx
+++ b/Customers/Cards_Boxes.aspx
@@ -28,6 +28,7 @@
     <link rel="stylesheet" type="text/css" href="../css/navbarsidebar2.css"/>         
 </asp:Content>
 <asp:Content ID="Content3" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">
+     <asp:ScriptManager ID="script4" runat="server"></asp:ScriptManager>
      <asp:UpdatePanel ID="panelupdate4" runat="server"><ContentTemplate>
     <div style="height:/*5px*/ 0.390625vh"></div>
      <h1>Karten und Boxen:</h1>
diff --git a/Customers/Default.aspx b/Customers/Default.aspx
index d5d1d80..55a9782 100644
--- a/Customers/Default.aspx
+++ b/Customers/Default.aspx
@@ -23,6 +23,7 @@
     <link rel="stylesheet" type="text/css" href="../css/navbarsidebar2.css"/>          
 </asp:Content>
 <asp:Content ID="Content3" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">
+     <asp:ScriptManager ID="script2" runat="server"></asp:ScriptManager>
      <asp:UpdatePanel ID="panelupdate2" runat="server"><ContentTemplate>
     <h1>Dies ist eine Testseite!</h1>
     <h2>Sie dient nur zu Debugzwecken!</h2>
diff --git a/Customers/Invoices.aspx b/Customers/Invoices.aspx
index 19f969e..5a920a5 100644
--- a/Customers/Invoices.aspx
+++ b/Customers/Invoices.aspx
@@ -41,9 +41,11 @@
     <link rel="stylesheet" type="text/css" href="../css/navbarsidebar2.css"/>         
 </asp:Content>
 
-<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">    
+<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server"> 
+     <asp:ScriptManager ID="script3" runat="server"></asp:ScriptManager>
+    <asp:UpdatePanel ID="panelupdate3" runat="server"><ContentTemplate>
    <div class="align-self-flex-center" style="/*margin-top:5px;*/margin-left:5px; margin-top:0.6510416666666667vw; margin-right:5px;">
-        <asp:UpdatePanel ID="panelupdate3" runat="server"><ContentTemplate>
+        
             <div id="containerseiterand">    
              <div class="d-flex flex-col-4" style="align-content:center">
                 <h1>Rechnungen</h1>
diff --git a/Customers/LKWs.aspx b/Customers/LKWs.aspx
index d4010ab..3b40978 100644
--- a/Customers/LKWs.aspx
+++ b/Customers/LKWs.aspx
@@ -30,7 +30,8 @@
 </asp:Content>
 
 <asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">
-     <asp:UpdatePanel ID="panelupdate3" runat="server"><ContentTemplate>
+     <asp:ScriptManager ID="script5" runat="server"></asp:ScriptManager>
+     <asp:UpdatePanel ID="panelupdate5" runat="server"><ContentTemplate>
     <div class="align-self-flex-center" style="/*margin-top:5px;*/margin-left:25px; margin-top:0.6510416666666667vw; margin-right:25px;">
             <div id="containerseiterand"> 
  
diff --git a/Customers/Welcome.aspx b/Customers/Welcome.aspx
index 10e970b..7ab4e3b 100644
--- a/Customers/Welcome.aspx
+++ b/Customers/Welcome.aspx
@@ -31,7 +31,8 @@
     
 </asp:Content>
 <asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">
-    <asp:UpdatePanel ID="panelupdate3" runat="server"><ContentTemplate> 
+     <asp:ScriptManager ID="script6" runat="server"></asp:ScriptManager>
+    <asp:UpdatePanel ID="panelupdate6" runat="server"><ContentTemplate> 
         <h1>Hauptseite Kunden:</h1>
         <div style="width:20px;"></div>
     <div style="white-space:nowrap">