load products with ajax by catid

loadproductswithajaxbycatid

        $catid=Mage::registry('category_id');
	$pageno = Mage::registry('page_no');
	$catagory_model = Mage::getModel('catalog/category')->load($catid); 
	$_productCollection = Mage::getResourceModel('catalog/product_collection');
    $_productCollection->addCategoryFilter($catagory_model);
    $_productCollection->addAttributeToSelect('*');
	$_productCollection->addAttributeToSelect('name');
    $_productCollection->setPage($pageno, 3);
    $_productCollection->load();