Problem in(IE 6) Opening non-html files using Servlets (Urgent)

Hi,
My application developed using struts 1.3 have an option to upload and download any kind of files.
The uploaded files shall be displayed as hyperlinks in the HTML page. On click of a hyperlink, a servlet shall be called and the corresponding file shall be opened as an attachment. But i am facing problem in opening the files.
The problem is,
Whenever i try to open a file of type (.doc or .xls or .pdf) the browser(*IE 6*) does not identify the content type. So it opens the content in a browser as binary content. But it works perfectly in IE 7 and firefox. (I used mim.types file to fetch the content type dynamically based on the file chosen)
However, the code i used to open a .doc file is,
response.setContentType("application/msword");
response.setHeader("Content-Disposition", "attachment;filename="+content.getFileName());
response.setContentLength(content.getStream().size());
ServletOutputStream out;
out = response.getOutputStream();
content.getStream().writeTo(out);
out.flush();
content - is a TO which shall hold the fileName and ByteArrayOutputStream ,etc.
Please anyone can help me solving this issue.
Thanks,

thanks..
its working fine now. i just added response.reset() before setting the properties of HTTPResponse object.

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Looking forward for your kind suggestions.......

Since I am new to the field requesting the kind quick help by java experts here to help me change the code so that I would be able to search a web apge saved on disk and search and highlight a word in that page ....
Thanks in advance........
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2) Post the code for a program that opens a text file with the following in it:
hello world
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3) Modify the program in 2) to determine if the file contains the word "yes". Post the code.
4) An html file is no different than the text file in 2).

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