Modifier une base via formulaire

<?php
if ($type!="")
		{
		$sql = "select a.id_marque,b.marque_long,a.modele,a.profile from logoson_phone a,logoson_phone_marque b,";
			$sql.= "logoson_phone_format c,logoson_format d";
			$sql.= ($type=="RINGTONE")? ",logoson_phone_format e,logoson_format f":"";
			$sql.= " where a.id_marque=b.id_marque and a.id_phone=c.id_phone";
			$sql.= " and c.id_format=d.id_format and c.mode='SMS' ";
			$sql.= " and d.type='".$type."'";
			$sql.= ($type=="RINGTONE")? " and a.id_phone=e.id_phone and e.id_format=f.id_format and e.mode='SMS' and f.type='IMAGE'":"";
			$sql.= ($type=="RINGTONE")? " and (d.format='ott' or (d.format='imy' and f.format='EMS'))":"";
			$sql.= ($type=="IMAGE")? " and d.format in ('otb','EMS')":"";
			$sql.= " group by marque_long,modele,profile order by marque_long, modele,profile";
			$res=mysql_query($sql) or die('Erreur SQL !<br />'.$sql.'<br />'.mysql_error());

		if (mysql_num_rows($res) == 0)
		{
?>
			<span id="grosse_surbrillance"><?=L_LS_NO_LOGOSON?></span></p>
			<p>

			<div id=stats>
			
			$modele = "";
			$liste = "";
			$fin = FALSE;
			
			
		
?>
			<span id="grosse_surbrillance"><?=L_LS_NO_LOGOSON?></span></p></div>
			<p>
<?php
		}
		else
		{
?>
			<div id=stats>
<?php
		$menu_nav="";
		$menu_nav=menu_page($sql,$resultat,$_GET['page'],20);

		if ($menu_nav!="")
		{
?>
		<table width='85%' border='0' align="center" cellpadding='0' cellspacing='0'>
		<tr><td align="center"><? echo $menu_nav; ?></td></tr>
		</table>
		</p>
<?php
		}
     
?>
                              <p>
				<table>
				<thead>
				<tr>
					<td><?=L_SRV_LB_MARQ?></td>
					<td width="16px"> </td>
					<?=($id_profil==PROFIL_ADMIN)? "<td>".L_SRV_LB_MODE."</td>":""?>
					<td><?=L_SRV_LB_PRO?></td>
					<td width="16"> </td>
					<td width="16"> </td>
				</tr>
				</thead>
<?php
			
			while($result=mysql_fetch_object($resultat))
			{
				$marque_long=($result['marque_long']==NULL)? 0:$result['marque_long'];
				$profile=($result['profile']!=$result['profile'])? TRUE:FALSE;
?>					
			<tr valign="top">
			<td><div id="grosse_surbrillance"><?=strtoupper($result->marque_long)?></div></td>
<?php
				$color="green";
				if ($color=="green")
				{
					$texte_statut=L_LS_TEXT_STATUS_OK;
				}
?>
			<td><img src="<?=$path_images?>icone_<?=$color?>.png" width="16" height="16" border="0" title="<?=$texte_statut?>" alt="<?=$color?>" ></td>
			<?=($id_profil==PROFIL_ADMIN)? "<td>".$result->modele."</td>":"" ?>
			<td><?=$result->profile?></td>


			
			<td><a href="modification2.php?idmarque=<?="$result->id_marque"?>&marque_long=<?="$result->marque_long"?>&modele=<?="$result->modele"?>" title="<?=sprintf(L_LS_UPDATE_LOGOSON,strtoupper("$result->marque_long"))?>"><img src="<?=$path_images?>icone_editer.png" width="16" height="16" border="0" alt="<?=L_UPDATE?>" ></a></td>
<?php
				if ($marque_long==0)
				{
?>
			<td><a class="secure_action" href="compatibilite.php?idmarque=<?="$result->id_marque"?>&action=supprimer" title="<?=sprintf(L_LS_DELETE_LOGOSON,strtoupper("$result->marque_long"))?>"><img src="<?=$path_images?>icone_supprimer.png" width="16" height="16" border="0" alt="<?=L_DELETE?>" ></a></td>
<?php
				}
				else
				{
?>
			<td><a class="secure_action" href="compatibilite.php?idmarque=<?="$result->id_marque"?>&action=archiver" title="<?=sprintf(L_LS_ARCHIVE_LOGOSON,strtoupper("$result->marque_long"))?>"><img src="<?=$path_images?>icone_archiver.png" width="16" height="16" border="0" alt="<?=L_ARCHIVE?>" ></a></td>
<?php
				}
				print("</tr>");
			}
?>

2 page :


 $id_marque  = $_GET["idmarque"] ;
  
  //requête SQL:
  $sql = "select a.id_marque,a.modele,a.profile,b.marque_long from logoson_phone a,logoson_phone_marque b,logoson_phone_format c where a.id_marque=b.id_marque and a.id_marque=".$id_marque; 
  //exécution de la requête:
  $requete = mysql_query( $sql) ;
  echo mysql_num_rows($requete)."<hr>";
  //echo 'Erreur sur la requete <b>'.$requete.'</b> :<br>'.mysql_error();
  //affichage des données:
  if( $result = mysql_fetch_object( $requete ) )
  {
  ?>
  <form name="insertion" action="modification3.php" method="POST">
  <input type="hidden" name="id_marque" value="<?php echo($id_marque) ;?>">
  <table>	
<tr><td><?=L_SRV_LB_FORM?> : </td><td colspan="2">
<select name="format" >
<option value="0" selected>---</option>
			
<? 
  $sql = "SELECT format FROM logoson_format a,logoson_phone_format b WHERE a.id_format=b.id_format and b.mode='SMS'or b.mode='MMS' GROUP BY format"; 
  $res = mysql_query($sql)or die('Erreur SQL !<br />'.$sql.'<br />'.mysql_error());
   
  while ($data = mysql_fetch_array($res)) { 
    echo '<option value="'.$data[0].'">'.$data['format']; 
    echo '</option>'."\n"; 
  } 
   
  echo '</select>'."\n";
  ?></td></tr>
 <tr><td><?=L_SRV_LB?> : </td><td colspan="2">            
<select name="type" >
<option value="0" selected>---</option>
<?
 // Récupération des informations triées par ordre alphabétique 
  $sql = "SELECT type FROM logoson_format a,logoson_phone_format b WHERE a.id_format=b.id_format and b.mode='SMS'or b.mode='MMS' GROUP BY type"; 
  $res = mysql_query($sql)or die('Erreur SQL !<br />'.$sql.'<br />'.mysql_error());
   
  while ($data = mysql_fetch_array($res)) { 
    echo '<option value="'.$data[0].'">'.$data['type']; 
    echo '</option>'; 
  } 
   
  echo '</select>'; 
?>
</td></tr>  
    <tr><td><?=L_SRV_LB_MARQ?> : </td><td colspan="2"><input type="text" name="marque_long"  maxlength="35" size="20" value="<?php echo($result->marque_long) ;?>"></td> <br><br>
<tr><td><?=L_SRV_LB_MODE?> :</td><td colspan="2"><input type="text" name="modele"  maxlength="35" size="20" value="<?php echo($result->modele) ;?>"></td> <br><br>
 <tr><td width="150px"><?=L_SRV_LB_PRO?> : </td><td colspan="3"><textarea name="profile" cols="40" rows="3" onkeyup="limite_texte(this,160)"> <?php echo($result->profile) ;?>