Une question de récupération de variable

Code PHP :
<?php 

$request = query('SELECT * FROM flotte WHERE idj="'.$id.'" AND action = "0"') ;



//initialisation des variables



$tvx1 = 0 ;

$tvx2 = 0 ;

$tvx3 = 0 ;

$tu1  = 0 ;

$tu2  = 0 ;

$tu3  = 0 ;



//<------------------fin--------------------->

//structure du tableau



echo '<center><table width="" height="" border="0" >

  <tr>

    <td bordercolor="#510000"><div align="center">

      <input name="conf" value=".: Ok :." class="btnnorm" type="submit">

    </div></td>

    <td bordercolor="#000000"><div align="center">Chasseurs</div></td>

    <td bordercolor="#000000"><div align="center">Bombardier</div></td>

    <td bordercolor="#000000"><div align="center">Croiseurs</div></td>

    <td bordercolor="#000000"><div align="center">u1</div></td>

    <td bordercolor="#000000"><div align="center">u2</div></td>

    <td bordercolor="#000000"><div align="center">u3</div></td>

  </tr>';

 while ($donnee = mysql_fetch_assoc($request);)

 {

 echo' <tr>

    <td bordercolor="#000000"><div align="center">'.$donnee['name'].'</div></td>

    <td bordercolor="#000000"><div align="center">

      <input name="vx1'.$donnee['id'].'" maxlength="5" size="3" value="'.$donnee['vx1'].'" class="ress" type="text">

    </div></td>

    <td bordercolor="#000000"><div align="center">

      <input name="vx2'.$donnee['id'].'" maxlength="5" size="3" value="'.$donnee['vx2'].'" class="ress" type="text">

    </div></td>

    <td bordercolor="#000000"><div align="center">

      <input name="vx3'.$donnee['id'].'" maxlength="5" size="3" value="'.$donnee['vx3'].'" class="ress" type="text">

    </div></td>

    <td bordercolor="#000000"><div align="center">

      <input name="u1'.$donnee['id'].'" maxlength="5" size="3" value="'.$donnee['u1'].'" class="ress" type="text">

    </div></td>

    <td bordercolor="#000000"><div align="center">

      <input name="u2'.$donnee['id'].'" maxlength="5" size="3" value="'.$donnee['u2'].'" class="ress" type="text">

    </div></td>

    <td bordercolor="#000000"><div align="center">

      <input name="u3'.$donnee['id'].'" maxlength="5" size="3" value="'.$donnee['u3'].'" class="ress" type="text">

    </div></td>

  </tr>';

  //on additionne toutes les données

  $tvx1 = $tvx1 + $donnee['vx1'] ;

  $tvx2 = $tvx2 + $donnee['vx2'] ;

  $tvx3 = $tvx3 + $donnee['vx3'] ;

  $tu1  = $tu1  + $donnee['u1']  ;

  $tu2  = $tu2  + $donnee['u2']  ;

  $tu3  = $tu3  + $donnee['u3']  ;



}