How to create BAT file to easily switch default program for file type

Recent Firefox plugin updates forced us to download Adobe Reader XI to view PDFs in the browser.  This is creating a problem for us on some websites as we also have Adobe Acrobat X installed for all users.  Some websites won't display correctly unless we change the default programs for PDFs back to Reader.  Simply having Reader open doesn't help "trick" it.

What I'm needing help with is either creating a batch file (maybe with ASSOC or FTYPE comands)...or even just exporting & reimporting registry keys to make this easier & quicker for the user to change.

I tried setting the default app to Acrobat, exporting the registry key for HKEY_CLASSES_ROOT\.pdf then changing the default app to Reader & exported the same key...hoping that all we'd have to do is double click one or the other to toggle the default app...but I don't see a difference in the 2 exported keys when viewing them in Notepad & it doesn't appear to be working.

We're currently using Windows 7 Pro.
blugirlAsked:
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Karl Heinz KremerCommented:
ASSOC and FTYPE only have an effect on opening the files in Windows (e.g. by double-clicking the file in explorer). Acrobat and Reader use a different approach to select which one to use to open files in the browser plug-in. What mechanism are you using to display PDFs in FireFox? You mention a plug-in, which one are you using?
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nickinthoozCommented:
ASSOC .Tif=DocuImagExp.exe
FTYPE DocuImagExp.exe="%Programfiles%\DocuCabinet\DocuImagExp.exe" "%%1"

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of course change this to pdf and whatever program you want to open the pdf's
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blugirlAuthor Commented:
Thanks nickinthooz...but I'm not sure if it's working.  I setup the BATs as follows...

ASSOC .PDF=AcroRd32.exe
FTYPE Acrobat.exe="C:\Program Files (x86)\Adobe\Reader 11.0\Reader\AcroRd32.exe" "%%1"

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Also...

ASSOC .PDF=Acrobat.exe
FTYPE Acrobat.exe="C:\Program Files (x86)\Adobe\Acrobat 10.0\Acrobat\Acrobat.exe" "%%1"

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When I run ASSOC .PDF in the command prompt, it shows .pdf=AcroRd32.exe &  .pdf=Acrobat.exe, respectively...and I'm making sure that Reader & Acrobat are closed when running the BATs
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blugirlAuthor Commented:
khkremer, thanks for that info.  To view PDFs in FireFox, it forced us to download the "Adobe PDF plugin for FireFox & Netscape".

Since it's only one user that needs to generate the report once a month, I just showed them how to change the default application.

Thanks again for the help though!
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