Problème tableau

          <div class="span10" id="bloc"> 
            <table class="table table-bordered" id="bloc3"> 
              <thead> 
                <tr> 
                  <th>Image</th> 
                  <th>Nom</th> 
                  <th>Niveau</th> 
                </tr> 
              </thead> 
              <tbody> 
                <tr> 
                  <td id="ImagePok1"></td> 
                  <td id="NomPok1"></td> 
                  <td id="NivPok1"></td> 
                </tr> 
                <tr> 
                  <td id="ImagePok2"></td> 
                  <td id="NomPok2"></td> 
                  <td id="NivPok2"></td> 
                </tr> 
                <tr> 
                  <td id="ImagePok3"></td> 
                  <td id="NomPok3"></td> 
                  <td id="NivPok3"></td> 
                </tr> 
              </tbody> 
            </table> 
          </div> 
          <div class="span10" id="bloc2"> 
          </div> 
        </div> 
      </div> 
  </div>

<?php 

$tab_equipe = array(
    'result'  => false,
    'message' => 'Aucune tentative de connection',
    'data'    => array("vide")
);

try {

    $pdo = new PDO('mysql:host=localhost;dbname=maBD', 'root', 'mysql');

    $query="SELECT * FROM equipe_red WHERE ImgEqR=:param1 and NomPokR=:param2 and NivPokR:=param3";
    
    foreach ($pdo->query($query) as $row) {
    $tab[]= array(
    "Img_Red" => $row['ImgEqR']
    );
    }
    $ligne = $requete -> fetchAll();
    
    // 
    if (count($ligne)>0) {
        
        $tab_resultat['result' ] = true;
        $tab_resultat['message'] = 'reussie';
        $tab_resultat['data'   ] = $ligne;
    }
    else {
        $tab_resultat['message'] = 'Erreur identification';
    }

} 
catch (Exception $e)
{
    $tab_resultat['message'] = 'Erreur base de données';
}

header('Cache-Control: no-cache, must-revalidate');
header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
header('Content-type: application/json');

echo json_encode($tab_resultat);

?>

/* EQUIPE */

	$('#red_eq').click(function() {
		

		 $.ajax({
		url:'equiperouge.php',
		success: onSuccess
		}); 
         }

function onSuccess(data) {
	for (var i in data) {
	$("#ImagePok1").append(
	$('<img />')
	.attr('id',i)
	.attr('src',data[i].Img_Red)
	.attr('class',"image_red")
	)
	;}
}