/**
* Return shipping options items for shipping address from request
*/
public function shippingOptionsCallbackAction()
{
try {
$quoteId = $this->getRequest()->getParam('quote_id');
$this->_quote = Mage::getModel('sales/quote')->load($quoteId);
$this->_initCheckout();
$response = $this->_checkout->getShippingOptionsCallbackResponse($this->getRequest()->getParams());
$this->getResponse()->setBody($response);
} catch (Exception $e) {
Mage::logException($e);
}
}
