but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Racks. If not, see <http://www.gnu.org/licenses/>.
--------------------------------------------------------------------------
*/
include '../../../inc/includes.php';
if (!isset($_GET["id"])) {
    $_GET["id"] = "";
}
$PluginRacksItemSpecification = new PluginRacksItemSpecification();
if (isset($_POST["add"])) {
    if ($PluginRacksItemSpecification->canCreate()) {
        $newID = $PluginRacksItemSpecification->add($_POST);
    }
    Html::back();
} elseif (isset($_POST["update"])) {
    if ($PluginRacksItemSpecification->canCreate()) {
        $PluginRacksItemSpecification->UpdateItemSpecification($_POST);
    }
    Html::back();
} else {
    if (isset($_POST["delete"])) {
        if ($PluginRacksItemSpecification->canCreate()) {
            $PluginRacksItemSpecification->deleteItemSpecification($_POST["id"]);
        }
        Html::redirect(Toolbox::getItemTypeFormURL($_POST["itemtype"]) . "?id=" . $_POST["model_id"]);
    } elseif (isset($_POST["deleteSpec"])) {
        foreach ($_POST["item"] as $key => $val) {