$form->{customer}         = qq|$form->{customer}--$form->{"customer_id"}|;
   }
 
-  $form->{oldcustomer} = "$form->{customer}--$form->{customer_id}";
-  $form->{selectcustomer} = 1;
+  $form->{"oldcustomer"}  = $form->{customer};
+
+  if ($form->{"oldcustomer"} !~ m/--\d+$/ && $form->{"customer_id"}) {
+    $form->{"oldcustomer"} .= qq|--$form->{"customer_id"}|
+  }
+
+
+#  $form->{oldcustomer} = "$form->{customer}--$form->{customer_id}";
+#  $form->{selectcustomer} = 1;
 
   $form->{employee} = "$form->{employee}--$form->{employee_id}";
 
 
   'SAVED FOR DUNNING'           => 'Gespeichert',
   'SCREENED'                    => 'Angezeigt',
   'Sales Invoice'               => 'Rechnung',
-  'Salesperson'                 => 'Verkäufer/in',
   'Sales Order'                 => 'Kundenauftrag',
   'Sales quotation'             => 'Angebot',
+  'Salesperson'                 => 'Verkäufer',
   'Screen'                      => 'Bildschirm',
   'Select a Customer'           => 'Endkunde auswählen',
   'Select a customer'           => 'Einen Kunden auswählen',
 
       <tr>
        <th align="right" nowrap>Alte Mahnungen anzeigen</th>
        <td><input type="checkbox" value="1" name="showold"></td>
-       <th align="right" nowrap>Verkäufer anzeigen</th>
-       <td><input type="checkbox" value="1" name="l_salesman"></td>
       </tr>
      </table>
     </td>
 
 <script type="text/javascript" src="js/vendor_selection.js"></script>
 <script type="text/javascript" src="js/calculate_qty.js"></script>
 <script type="text/javascript" src="js/follow_up.js"></script>
+<script type="text/javascript" src="js/customer_or_vendor_selection.js"></script>
 
 <form method="post" name="invoice" action="[% script %]">
 
 
 <script type="text/javascript" src="js/vendor_selection.js"></script>
 <script type="text/javascript" src="js/calculate_qty.js"></script>
 <script type="text/javascript" src="js/follow_up.js"></script>
+<script type="text/javascript" src="js/customer_or_vendor_selection.js"></script>
 
 <form method="post" name="invoice" action="[% script %]">