Have menu working in list page but it wont work on detail page

Hi all,

Thanks to Ross's help I have a simple menu facility which uses the content of a list field in a table

I have set this up on a list page with this code at the top following my table load element

 // redirect on submit priory menu drop down
         if (@$_REQUEST['submitPrioryForm']) {

            header ("Location: priory_detail.php?member=". $_REQUEST['prioryID']);
         }

and this code in the body of the page

                <form method="post" action="?">
                <input type="hidden" name="submitPrioryForm" value="1">

       <h3>Priory Menu</h3>

       <select name="prioryID">
                <?php foreach (getListOptions('bridlington_priory', 'pages') as $value => $label): ?>

<option value = "<?php echo $value;?>" <?php selectedIf($value, @$_REQUEST['pages']);?>>
<?php echo $label; ?></option>

<?php endforeach ?>   

         </select>
<br/>
        <div align="center">
          <input type="submit" name="search" value="  Show Page  "/>
        </div>

</form>

Using the above I can select an option from the drop down list and click the submit button and I am taken to the priory_detail.php page with the correct info loaded. via a url something like "/listings/priory_detail.php?8"

What I wanted to do was to recreate the same functionality on the detail page priory_detail.php so I replicated the above in the priory_detail.php page and also added the load records code which you would normally find on a list page to my existing load records info in order to combine list and detail page functionality. This is now as below.

 // load records from 'bridlington_priory'
  list($bridlington_prioryRecords, $bridlington_prioryMetaData) = getRecords(array(
    'tableName'   => 'bridlington_priory',
    'loadUploads' => true,
    'allowSearch' => true,
  ));
 
         // load record from 'bridlington_priory'
  list($bridlington_prioryRecords, $bridlington_prioryMetaData) = getRecords(array(
    'tableName'   => 'bridlington_priory',
    'where'       => whereRecordNumberInUrl(0),
    'loadUploads' => true,
    'allowSearch' => false,
    'limit'       => '1',
  ));
  $bridlington_prioryRecord = @$bridlington_prioryRecords[0]; // get first record
  if (!$bridlington_prioryRecord) { dieWith404("Record not found!"); } // show error message if no record found

   // redirect on submit priory menu drop down
         if (@$_REQUEST['submitPrioryForm']) {
            
            header ("Location: priory_detail.php?". $_REQUEST['prioryID']);
         }       
?>

However I find that although the drop down list populates, when I hit the submit button I get a record not found error and the url produced looks like "/listings/priory_detail.php?" without the record id number on the end.

Is there something different I need to do to get the code which works fine on the list page to work on a detail page?

Without wishing to complicate things further I would also like to know if it is possible to have a more descriptive url display so that the url also includes the title which displays in the menu box ie priory_detail.php?Priory Records-9 as can be achieved when populating a detail page directly from a list page link.

Thanks in advance for any/all help provided.