function _order_create($data){
        if(is_array($data) and !empty($data['product'])){
            $quote = Mage::getModel('sales/quote')
                    ->setStoreId(Mage::app()->getStore('default')->getId());

            $customer = Mage::getModel('customer/customer')
                            ->setWebsiteId(1)
                            ->loadByEmail($data['customer_email']);
            $quote->assignCustomer($customer);

            // add product(s)
             foreach ($data['product'] as $id => $pdata) {

                $product = Mage::getModel('catalog/product')->load($pdata['id']);
                $buyInfo = array('qty' =>$pdata['qty']);
//****************** here set is_in_stock to 1
                $quote->addProduct($product, new Varien_Object($buyInfo));
                $quote->save(); // without saving the quote here I get error

                $quoteItem = $quote->getItemByProduct($product);
                $quoteItem->setOriginalCustomPrice($pdata['price']);
                $quoteItem->setCustomPrice($pdata['price']);
                $quoteItem->setIsSuperMode(true);
                $quoteItem->save();
// ****************** here set is_in_stock to 0
                 }

            foreach ($data['address']['shipping'] as $key => $value) {
                $addressDataShipping[$key] = $value;
            }

            foreach ($data['address']['billing'] as $key => $value) {
                $addressDataBilling[$key] = $value;
            }


            $billingAddress = $quote->getBillingAddress()->addData($addressDataBilling);
            $shippingAddress = $quote->getShippingAddress()->addData($addressDataShipping);
            $shippingAddress->setCollectShippingRates(true)->collectShippingRates()
                            ->setShippingMethod($data['methods']['shipping'])
                            ->setPaymentMethod($data['methods']['payment']);

            $quote->getPayment()->importData(array('method' => $data['methods']['payment']));
            $quote->setTotalsCollectedFlag(false)->collectTotals()->save();

            $service = Mage::getModel('sales/service_quote', $quote);
            $service->submitAll();

            $order = $service->getOrder();
            $order->setCreatedAt($data['order']['createdat']);
            $order->setData('state', $data['order']['status']);
            $order->setStatus($data['order']['status']);

            $order->save();
            //printf("Created order %sn", $order->getIncrementId());
        }
    }