? <tr>? <td>購買數量：<span id="sub" onclick="sub();">-</span><input type="text" id="number" name="number" value="1" size="2"/><span id="add" onclick="add();">+</span></td>? </tr>?? ? ? ?</table>? <div id="cart">? <img src="images/buy_now.png"><a href="javascript:selflog_show(<%=item.getId()%>)"><img src="images/in_cart.png"></a><a href="servlet/CartServlet?action=show"><img?src="images/view_cart.jpg"/></a>? </div>? </td>