$result = $products->getOrderableSubItems($prod_id);
} elseif (isset($_POST['form']) && $_POST['form'] == "get_availabilities") {
    require_once APPLICATION_PATH . MODEL_DIR . '/Product.php';
    $result = "";
    $item_id = $_POST['item_id'];
    $products = new Product('replicated');
    $result = $products->getItemAvailabilities($item_id);
} elseif (isset($_POST['form']) && $_POST['form'] == "get_backordered") {
    require_once APPLICATION_PATH . MODEL_DIR . '/Product.php';
    $warehouse_id = 0;
    if (!empty($_POST['warehouse_id'])) {
        $warehouse_id = $_POST['warehouse_id'];
    }
    $result = "";
    $products = new Product('replicated');
    $result = $products->getBackorderedOrderItems($warehouse_id);
} elseif (isset($_POST['form']) && $_POST['form'] == "get_backordered2") {
    require_once APPLICATION_PATH . MODEL_DIR . '/Product.php';
    $warehouse_id = 0;
    if (!empty($_POST['warehouse_id'])) {
        $warehouse_id = $_POST['warehouse_id'];
    }
    $result = "";
    $products = new Product('replicated');
    $result = $products->getBackorderedOrderItems2($warehouse_id);
} elseif (isset($_POST['form']) && $_POST['form'] == "get_iat_problems") {
    require_once APPLICATION_PATH . MODEL_DIR . '/Product.php';
    $products = new Product('replicated');
    $result = $products->getItemsWithMultipleIAT();
} elseif (isset($_POST['form']) && $_POST['form'] == "get_missing_isc") {
    require_once APPLICATION_PATH . MODEL_DIR . '/Product.php';