@SuppressWarnings("unchecked")
	public String deleteCartItem() throws Exception {
		Map session = ActionContext.getContext().getSession();
		
		orderDetails = (List<OrderDetail>)session.get("orderDetails");	
		
		if(orderDetails != null) {
			for(OrderDetail orderDetail:orderDetails) {
				if(bookId == orderDetail.getBookId()) {
					orderDetails.remove(orderDetail);
					break;
				}
			}
		}
		
		session.put("orderDetails", orderDetails);
		getOrderAmount();
		
		return SUCCESS;
	}