Mime Type issue with .docx Files in Apex 4.0

We are having issues with windows 2007 .docx documents that are when they are viewed on windows 2007 machines with ie8. If I look in the storage table the mime type is not set correctly. It is being set as application/octet-stream. When we download the file one windows 7/IE8 either the browser thinks it is a zip file or it does not recognize it.
If I go into the back end and update the table with the correct mime type application/vnd.openxmlformats-officedocument.wordprocessingml.document it works fine.
We have tried to update mime types on the apache server but this does not help.
Apex seems to be deciding what mime type to populate the table with.
It seems like I need to update apex somehow to recognize that a .docx extension should be stored as type mime type application/vnd.openxmlformats-officedocument.wordprocessingml.document.
Does anyone know how I would do this?
We are running Apex 4 on 10g IAS with mod/plsql
are application is setup very similar to what is describe in this document by David Peak
http://www.oracle.com/technetwork/issue-archive/2009/09-jan/o19browser-087025.html
Edited by: user7660930 on Apr 18, 2011 7:40 AM

I thought about trying to do something similar to the code above but would prefer that apex would work properly.
I created a page with the sql region and added this code
owa_util.print_CGI_ENV
when I run it it shows the following environment variables. It look like the WebDB environment HTTP_ACCEPT value needs to be updated. Does any one know how to update this information on a 10gIAS server and were it is stored? I have some documenation on WebDB but none of it seems to point to the correct location of the files and there are no admin pages
PLSQL_GATEWAY = WebDb
GATEWAY_IVERSION = 2
SERVER_SOFTWARE = Oracle-Application-Server-10g/10.1.2.2.0 Oracle-HTTP-Server
GATEWAY_INTERFACE = CGI/1.1
SERVER_PORT = 4445
SERVER_NAME = admsunxapp04.ad.jocoks.com
REQUEST_METHOD = GET
QUERY_STRING = p=301:1:3167922978599440:::::
PATH_INFO = /f
SCRIPT_NAME = /pls/apex/sand
REMOTE_ADDR = 172.16.14.100
SERVER_PROTOCOL = HTTP/1.1
REQUEST_PROTOCOL = HTTPS
REMOTE_USER = APEX_PUBLIC_USER
HTTP_USER_AGENT = Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; InfoPath.2; Tablet PC 2.0)
HTTP_HOST = admsunxapp04.ad.jocoks.com:4445
HTTP_ACCEPT = image/jpeg, application/x-ms-application, image/gif, application/xaml+xml, image/pjpeg, application/x-ms-xbap, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*
HTTP_ACCEPT_ENCODING = gzip, deflate
HTTP_ACCEPT_LANGUAGE = en-US
HTTP_ORACLE_ECID = 1303315270:172.16.2.9:3032:0:2526,0
WEB_AUTHENT_PREFIX =
DAD_NAME = apex/sand
DOC_ACCESS_PATH = docs
DOCUMENT_TABLE = wwv_flow_file_objects$
PATH_ALIAS =
REQUEST_CHARSET = AL32UTF8
REQUEST_IANA_CHARSET = UTF-8
SCRIPT_PREFIX = /pls
HTTP_COOKIE = ORA_WWV_R1=%23ALL; ORA_WWV_R2=%23ALL; ORA_WWV_R3=%23ALL; ORA_WWV_ATTRIBUTE_PAGE=4651%2C%23ALL; ORA_WWV_REMEMBER_UN=ADMIN:apex_app; ORA_WWV_USER=8A32E6579024A4F4; oracle.uix=0^^GMT-5:00; DEVL=WaSkGBNfJ6-Vgpw-6HXpHvM8:S

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Hi,
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Regards
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Member of the APEX development team
My Blog: http://www.inside-oracle-apex.com
APEX Plug-Ins: http://apex.oracle.com/plugins
Twitter: http://www.twitter.com/patrickwolf

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<pre>
CREATE OR REPLACE PROCEDURE DOWNLOAD_APPLICANT_PDF ( p_doc_id IN   NUMBER
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Hi,
for some background information about the above changed behavior, have a look at 4.2 Before Header Processes and Browser Security HTTP Headers of the APEX 4.1. release notes.
Regards
Patrick
Member of the APEX development team
My Blog: http://www.inside-oracle-apex.com
APEX Plug-Ins: http://apex.oracle.com/plugins
Twitter: http://www.twitter.com/patrickwolf

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