$qry="Select * from archivestats where brokername='".$_GET["broker"]."' and office='".$_GET["Office"]."' and ".$archivereason;

<select name="Office" onchange="document.forms['data'].ch.value=0;document.forms['data'].submit();" >

<?                 $First_Try=True;
//start Timmer
//-----------------------------------------------
$time_start = getmicrotime();
//-----------------------------------------------
                   while ($row=mysql_fetch_assoc($res))
                   {
                      if($First_Try==True){$Office_selected=$row[office];$First_Try=False;}
                    if(substr($row[office],0,3)!="GS_"){  ?>
                     <option value= "<?=$row[office]?>" <? if ($_GET["Office"]==$row[office]){echo "selected"; $Office_selected=$row[office];}?>>  <?=$row[office];?> </option> 


<?
                     }
}   

?>

                 </select>
                 
              </td>
     </tr>
<?//Ende Timer
//-----------------------------------------------
$time_end = getmicrotime(); //Am ende der Seite
   $time = round($time_end - $time_start,4);
   echo "Aufbau Listenfeld Offices ".$time." Sekunden";  
//-----------------------------------------------