求助：extjs+dsoframer在IE6和IE7中显示问题

我现在是使用extjs做前台，页面中嵌套了用dsoframer这个控件加载的word，代码如下： <%@ page language="java" pageEncoding="UTF-8"%>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>  <head>
    <title>showArchs.jsp-拟稿页面</title>
        <link rel="stylesheet" href="ext/resources/css/ext-all.css" type="text/css" media="screen" charset="utf-8" />
    <link rel="stylesheet" href="styles/html.css" type="text/css" media="screen" charset="utf-8" />
    <link rel="stylesheet" href="styles/index.css" />
    <link rel="stylesheet" type="text/css" href="main/resources/main.css"></link>
    <link rel="stylesheet" type="text/css" href="main/resources/style.css"></link>
    <script type="text/javascript" src="ext/adapter/ext/ext-base.js"></script>
    <link rel="stylesheet" type="text/css" href="styles/icocss.css"></link>
    <script src="ext/ext-all.js" type="text/javascript" charset="utf-8"></script>
    <script src="js/DateFormat.js" charset="utf-8"></script>
    <script type="text/javascript" src="ext/examples.js"></script>
    <script type="text/javascript" src="js/theme.js"></script>
  </head>
  
  <body>
  <script type="text/javascript">
  
  My ={};
  
  //js获得url参数方法
  function GetRequest() {       var url = location.search; //获取url中"?"符后的字串
    
       var theRequest = new Object();
    
       if (url.indexOf("?") != -1) { 
    
          var str = url.substr(1);
    
          strs = str.split("&");
    
          for(var i = 0; i < strs.length; i ++) { 
    
             theRequest[strs[i].split("=")[0]]=unescape(strs[i].split("=")[1]);
    
          }
    
       }
    
       return theRequest;
    
    }    var Request = new Object();
    
    Request = GetRequest();
    //定义2个参数获得url参数值
    var snType,id,snYear,snNo,name,amount;
    
    snType = Request['snType'];
    
    id = Request['id'];
    
    snYear = Request['snYear'];
    
    snNo = Request['snNo'];
    
    name = Request['name'];
    
    amount = Request['amount'];
    
    tiId = Request['tiId'];
    
  
      //上传文件名    
      var wordName = snType;
      //上传文件完整名
      var wordAllName = wordName + ".doc";
      //上传文件保存本地位置
      var wordUri = "C:\\templateOfOA\\" + wordName + ".doc";
      //上传文件上传ftp地址
      var ftpWord = "ftp:\/\/192.168.10.222\/oaupload\/template\/" + wordName + ".doc";
      //发文日期
      var Date = new Date();
      //获得用户登录名
      var user = '${user}';
      //当前年份
      var year = Date.getYear();
      //当前月份
      var month = Date.getMonth()+1;
      //当前日期
      var day = Date.getDate();
      
     function doAjax(_incept){        var a = encodeURI(wordAllName);
        //初始化Http引擎
        document.all.FramerControl1.HttpInit();
        
        document.all.FramerControl1.SetTrackRevisions(1); 
        //增加Post变量
        document.all.FramerControl1.HttpAddPostString("sendId",id);
        //增加Post变量
        document.all.FramerControl1.HttpAddPostString("tiId",tiId);
        //上传打开的文件
        document.all.FramerControl1.HttpAddPostCurrFile("fileData", a);
        //执行上传动作
        var flag = document.all.FramerControl1.HttpPost("./archManage!doFlow.action");        getAddToArch(_incept);
    }
    
//声明一个打开word文档的函数
    My.getWord = function(){
        //下载word模板到本地
        //document.all.FramerControl1.DownloadFile(ftpWord, wordUri);
        //打开下载的本地模板     
        document.all.FramerControl1.Open(ftpWord);
        //显示修订留痕
        document.all.FramerControl1.ShowRevisions(1);
        //进入修改留痕状态
        document.all.FramerControl1.SetTrackRevisions(1); 
        //插入发文名称
        document.all.FramerControl1.SetFieldValue("name",name,"");
        //插入发文年号
        document.all.FramerControl1.SetFieldValue("snYear",snYear,"");
        //插入发文编号
        document.all.FramerControl1.SetFieldValue("snNo",snNo,"");
        //插入份数
        document.all.FramerControl1.SetFieldValue("amount",amount,"");
        //插入发文日期
        //document.all.FramerControl1.SetFieldValue("date",Date.format('yyyy-MM-dd'),"");
        //插入用户登录名
        document.all.FramerControl1.SetFieldValue("user",user,"");
        //插入年份
        document.all.FramerControl1.SetFieldValue("year",year,"");
        //插入月份
        document.all.FramerControl1.SetFieldValue("month",month,"");
        //插入日期
        document.all.FramerControl1.SetFieldValue("day",day,"");
        
        //document.all.FramerControl1.ProtectDoc(1,2,"123");
        //进入修改留痕状态
        document.all.FramerControl1.SetTrackRevisions(4); 
    }
    
    function getName()
    {
        var uri = fp.form.findField("uri").getValue();
        var name = uri.split("/");
        var ftpWord = "ftp:\/\/192.168.10.222\/oaupload\/" + name[1] + "\/" + name[2];
        return ftpWord;
    }
    
    //声明一个打开word文档的函数
    var showWord = function(ftpWord){
        //打开下载的本地模板         
        document.all.FramerControl1.Open(ftpWord);
        //显示修订留痕
        document.all.FramerControl1.ShowRevisions(1);
        //进入修改留痕状态
        document.all.FramerControl1.SetTrackRevisions(1); 
    }
      
  Ext.onReady(function(){
  
      Ext.Ajax.request({
        method:'POST',
        url: 'archManage!getSendMsgById.action',
        params:{archId:id},
        success: function(response,form){
            if(response.responseText == '*')
            {
                setTimeout('My.getWord()',300);
            }else{
                var name = response.responseText.split("/");
                var ftpWord = "ftp:\/\/192.168.10.222\/oaupload\/" + name[1] + "\/" + name[2];
                showWord(ftpWord);
            }
        },
        failure: function(response,form){
            //getWord();
        }
    });
    
    
    
    document.all.FramerControl1.height = window.screen.availHeight-window.screenTop - Ext.get("formPanel").getComputedHeight();
    
    //setTimeout('My.getWord()',300);
    
    //调用打开模板
    //getWord();
    
  });/*Ext.onReady的结束括号*/
  
  
</script>
    <div id="formPanel"></div>
      <div id="selectWin" class="x-hidden"></div>
      <table width="100%" >
        <tr>
              <td>
                  <OBJECT id="FramerControl1" codeBase="dsoframer.ocx" height="100%" width="100%" classid="clsid:00460182-9E5E-11D5-B7C8-B8269041DD57"><PARAM NAME="_ExtentX" VALUE="16960">
                     <PARAM NAME="_ExtentY" VALUE="13600">
                     <PARAM NAME="BorderColor" VALUE="-2147483632">
                     <PARAM NAME="BackColor" VALUE="-2147483643">
                     <PARAM NAME="ForeColor" VALUE="-2147483640">
                     <PARAM NAME="TitlebarColor" VALUE="-2147483635">
                     <PARAM NAME="TitlebarTextColor" VALUE="-2147483634">
                     <PARAM NAME="BorderStyle" VALUE="1">
                     <PARAM NAME="Titlebar" VALUE="0">
                     <PARAM NAME="Toolbars" VALUE="1">
                     <PARAM NAME="Menubar" VALUE="1">
                 </OBJECT>
              </td>
          </tr>
    </table>
    </body>
</html>我在ie6可以很正常的显示，但在ie7下面，ext的alert就只能显示在dsoframer显示的word那一层下面，也就是extjs的alert被挡住，我试过用iframe这个dsoframer到这个页面，也没用，求高手帮忙看下