public function productdownAction()
{
$this->isAjax = TRUE;
if ($this->_hasParam('pid') && $this->_hasParam('cid')) {
Zend_Loader::loadClass('Zend_Json');
$pId = $this->_getParam('pid');
$catId = $this->_getParam('cid');
$products = new AdminProducts();
echo Zend_Json::encode($products->downProduct($catId, $pId));
}
}