class Shoppingcart extends Controller {

	function Shoppingcart()
	{
		parent::Controller();
		
		if (!$this->session->userdata('cart_items'))
			$this->session->set_userdata(array('cart_items' => array()));
		

		$this->load->database();
		$this->load->model('inventory');
		$this->load->model('shoppingcartmodel');
		
	}