public function changeorderAction()
 {
     $index = $_GET["index"];
     $column = $_GET["column"];
     $order = $_GET["order"];
     $previous_search = $_GET["previous_search"];
     $dba = Zend_Registry::get('dba');
     $this->_helper->layout->disableLayout(true);
     $this->_helper->viewRenderer->setNoRender(true);
     $membres = new Application_Model_Membre($dba);
     if ($previous_search == "") {
         $select = $membres->select()->where("ACTIVE_M = ?", 1)->order("{$column} {$order}")->limit($this->_item_per_page, $this->_item_per_page * ($index - 1));
         $select2 = $membres->select()->where("ACTIVE_M = ?", 1);
     } else {
         $select = $membres->select()->where("ACTIVE_M = ?", 1)->where("PRENOM LIKE '%" . $previous_search . "%' OR NOM_M LIKE '%" . $previous_search . "%'" . " OR LOGIN LIKE '%" . $previous_search . "%' OR ROLE LIKE '%" . $previous_search . "%'" . " OR PROMO LIKE '%" . $previous_search . "%' OR MAIL LIKE '%" . $previous_search . "%'" . " OR ECOLE LIKE '%" . $previous_search . "%'")->order("{$column} {$order}")->limit($this->_item_per_page, $this->_item_per_page * ($index - 1));
         $select2 = $membres->select()->where("ACTIVE_M = ?", 1)->where("PRENOM LIKE '%" . $previous_search . "%' OR NOM_M LIKE '%" . $previous_search . "%'" . " OR LOGIN LIKE '%" . $previous_search . "%' OR ROLE LIKE '%" . $previous_search . "%'" . " OR PROMO LIKE '%" . $previous_search . "%' OR MAIL LIKE '%" . $previous_search . "%'" . " OR ECOLE LIKE '%" . $previous_search . "%'");
     }
     $membres_results = $membres->fetchAll($select)->toArray();
     $indexes = ceil(count($membres->fetchAll($select2)->toArray()) / $this->_item_per_page);
     $membres_result = array();
     for ($i = 0; $i < count($membres_results); $i++) {
         $membres_result[$i] = array("ID_MEMBRE" => $membres_results[$i]["ID_MEMBRE"], "NOM_M" => $membres_results[$i]["NOM_M"], "PRENOM" => $membres_results[$i]["PRENOM"], "ROLE" => $membres_results[$i]["ROLE"], "LOGIN" => $membres_results[$i]["LOGIN"]);
     }
     $result = array("INDEXES" => $indexes, "MEMBRES" => $membres_result);
     $json = json_encode($result);
     echo $json;
 }