public function get_form($form_link = "")
 {
     global $cms_collection_form;
     global $msg, $charset;
     if (!$form_link) {
         $form_link = "./cms.php?categ=collection&sub=collection&action=save";
     }
     //lien pour la soumission du formulaire
     $form = str_replace("!!action!!", $form_link, $cms_collection_form);
     //id
     $form = str_replace("!!id!!", htmlentities($this->id, ENT_QUOTES, $charset), $form);
     //titre
     $form = str_replace("!!label!!", htmlentities($this->title, ENT_QUOTES, $charset), $form);
     //description
     $form = str_replace("!!comment!!", htmlentities($this->description, ENT_QUOTES, $charset), $form);
     //bouton supprimer
     if ($this->id) {
         $form = str_replace("!!form_title!!", $msg['cms_collection_edit'], $form);
         $form = str_replace("!!bouton_supprimer!!", "<input type='button' class='bouton' value=' " . $msg[63] . " ' onclick='confirmation_delete(\"&action=delete&id=" . $this->id . "\",\"" . htmlentities($this->title, ENT_QUOTES, $charset) . "\")' />", $form);
         $form .= confirmation_delete($form_link);
     } else {
         $form = str_replace("!!form_title!!", $msg['cms_collection_add'], $form);
         $form = str_replace("!!bouton_supprimer!!", "", $form);
     }
     $storages = new storages();
     $form = str_replace("!!storage_form!!", $storages->get_item_form($this->num_storage), $form);
     return $form;
 }