不解，弹出层窗口后button的click事件不执行，代码如下

<a onclick="document.getElementById('light').style.display='block';document.getElementById('fade').style.display='block'">投诉</a>
            <div class="内容样式" id="light" style="display: none">
                请输入投诉内容： 
                <asp:TextBox ID="txtTouSu1" runat="server" Width="400px" Height="150px" TextMode="MultiLine"></asp:TextBox>
                <br />
                <asp:Button ID="btnTousu11" runat="server" Text="提交" OnClick="btnTousu11_Click" />
<a onclick="document.getElementById('light').style.display='none';document.getElementById('fade').style.display='none'"href="javascript:void(0)">点此关闭</a></div>
            <div class="黑色背景样式" id="fade" style="display: none">
            </div>弹出窗口后的button的click事件不执行