点击输入日期的TxtBox框后弹出js日期框供选择

    <script type="text/javascript" charset="gb2312" src="../util/Calendar.js">function TABLE1_onclick() {

}
    </script>

<tr>
                                <td style="width: 981px; height: 15px;">
                                    <span class="style1">闲置时间:</span></td>
                                <td style="width: 155px; height: 15px;">
                                    <input id="TxtImportDatetime" runat="server" onclick="calendar()" />
                                </td>
                                <td style="width: 23px; height: 15px;">
                                </td>
                            </tr>