Optimisez code php/mysql

<?php
require_once('variables.inc.php');
    $connect = mysql_connect($server,$login,$pass) or die('connexion serveur impossible : '.mysql_error());
    mysql_select_db($bdd,$connect) or die('connexion bdd impossible : '.mysql_error());

if(isset($_POST)){
  if(!empty($_REQUEST['media'])){
    $nom = $_REQUEST['media'];
    $query = "SELECT url FROM webtvr WHERE name='".$nom."'";
    $result = mysql_query($query) or die('erreur requete'.mysql_error());
    $donnee = mysql_fetch_array($result);
    $url =$donnee['url'];
  }
 }
?>
<br />

<object id="MediaPlayer" classid="clsid:6BF52A52-394A-11D3-B153-00C04F79FAA6" codebase="http://activex.microsoft.com/activex/controls/
mplayer/en/nsmp2inf.cab#version=6,4,5,715" standby="Loading Microsoft Windows Media. Player components..."   type="application/x-oleobject" width="400" height="300">
   <param name="FileName" value="<?php echo $url; ?>">
   <param name="AutoStart" value="true">
   <param name="ShowStatusBar" value="true">
   <param name="uiMode" value="none">
   <param name="enableContextMenu" value="true">
   <embed type="application/x-mplayer2" pluginspage="http://www.microsoft.com/isapiredir.dll?prd=windows&sbp=mediaplayer&ar=Media&sba=Plugin&"  width="400" height="300" src="<?php  echo $url;?>" autostart="true" showstatusbar="true" enableContextMenu="false" uiMode="none"></embed>
   
   </object>
<?php
   $query = "SELECT DISTINCT name, type FROM webtvr ORDER BY type DESC";
   $resultat = mysql_query($query) or die('echec requete ('.$query.') :'. mysql_error);
?>
<form action="webtv.php" method="post">
<label>faite votre choix:</label>
<select name="media">
<?php
     while(($donnee = mysql_fetch_array($resultat))){
    echo '<option class="'.$donnee['type'].'"  value="'.$donnee['name'].'">'.$donnee['name'].'</option>';
  }
mysql_close($connect);
?>
</select>
<input type="submit" value="OK" />
<br />
</form>
   <a href="?page=2385" class="bas_de_page" style="text-decoration:none;">ajouter media </a>

...
...
<div id=#global>
    <div id=#entete> 
        .....
        ....
    </div>
    <div id=#centre>
            <div id=#navbar>
               ici mes liens; exemple
               lien_vers_webtvr sous cette forme <a href="?pg=3">webtvr </a>
               ......
             </div>
            <div id=#contenu>
             ici j'utilise les pseudo frame en php
            <?php
             if(isset($_REQUEST['pg'])) $page = $_REQUEST['pg'];
             else $page = 0;
             switch($page){
                case 1: include('page_correspondante'); break;
                ....
                case 3: include('webtvr.php'); break;
                ....
                default:include('accueuil.php'); break;
             }
            ?>
             ...
            </div>
      <div id=#footer>
        ......
      </div>
  </div>