Popup实现弹出窗口为什么自动关闭了

 <script language="javascript">
function pinglunByXiangmu(xiangmuId)
       {
            var url="<%=path %>/pinglunByXiangmu.action?xiangmuId="+xiangmuId;
            var pop=new Popup({ contentType:1,isReloadOnClose:false,width:650,height:450});
            pop.setContent("contentUrl",url);
            pop.setContent("title","评论");
            pop.build();
            pop.show();
       }

       function pinglunAdd(xiangmuId)
       {
            var url="<%=path %>/qiantai/xiangmu/pinglunAdd.jsp?xiangmuId="+xiangmuId;
            var pop=new Popup({ contentType:1,isReloadOnClose:false,width:700,height:400});
            pop.setContent("contentUrl",url);
            pop.setContent("title","写评论");
            pop.build();
            pop.show();
       }
            <script>
            <table>
             <tr>
                               <td align="right">
                                    <a style="color: red" href="#" onclick="pinglunByXiangmu(<s:property value='#request.xiangmu.id' />)">项目评论(<s:property value="#request.xiangmu.pinglunShu"/>)</a>
                                    &nbsp;
                                    <a style="color: red" href="#" onclick="pinglunAdd(<s:property value='#request.xiangmu.id' />)">写评论</a>
                               </td>
                            </tr>
                        </table>

js文件有重复引用也会出现这个问题

自己看popup框架代码配置了,肯定是配置错了或者哪个地方调用了关闭的方法了