File upload problem in IE7

HTTP/1.1 200 OK
Date: Fri, 11 Dec 2009 02:05:09 GMT
Server: Microsoft-IIS/6.0
X-Powered-By: ASP.NET
X-AspNet-Version: 2.0.50727
X-Powered-By: UrlRewriter.NET 2.0.0
Cache-Control: private
Content-Type: text/html; charset=utf-8
Content-Length: 342

<script type="text/javascript">(function(){var d=document.domain;while (true){try{var A=window.top.opener.document.domain;break;}catch(e) {};d=d.replace(/.*?(?:\.|$)/,'');if (d.length==0) break;try{document.domain=d;}catch (e){break;}}})();window.parent.OnUploadCompleted(201,'/userfiles/file/document(1).doc','document(1).doc','') ;</script>