public function render(Varien_Object $row)
 {
     $stockMini = (int) $row->getreal_notify_stock_qty();
     $productId = $row->getId();
     $retour = '<input type="text name="stockmini_' . $productId . '" id="stockmini_' . $productId . '" value="' . $stockMini . '" size="4" disabled>';
     $retour .= '&nbsp;<input type="checkbox" name="ch_stockmini_' . $productId . '" id="ch_stockmini_' . $productId . '" value="1" onclick="toggleStockMiniInput(' . $productId . ');">';
     return $retour;
 }