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Scroll wheel/ball not functioning in Safari PDF frame

Hi everyone,

I just now subscribed to this list, so please forgive me if this issue has already been discussed. I did check the archives and tried looking through ADC documents and Google search results, though.

Anyway, I'm not having any luck getting my Mighty Mouse's scroll ball to work correctly in Safari 2.0.4 when viewing a PDF within an HTML frameset. I'm using Mac OS X 10.4.8 on an Intel-based iMac and Safari is configured to use the "native" method to render PDFs in the browser--no PDF-viewing plug-in is installed. My experience with Macs and Safari in particular is a little limited, so I don't know whether this problem is specific to the way Safari renders PDFs within a frameset, or whether I would experience the same behavior if I tried to view another non-natively-supported file within a frameset.

To be clear, the scroll ball works fine when viewing a PDF outside of a frameset taking up the entire tab or browser window, but not when the PDF is inside a frame of a frameset. Furthermore, I know the PDF frame has focus because pressing the up and down arrow keys on my keyboard do in fact scroll the document, but my scrollball/wheel does not.

My question to the list is the following: is this a known limitation of the way Safari 2 renders PDFs, or is there some scrollball/mouse-enhancing utility (such as MS IntelliPoint for older versions of Windows) that I am missing to make this work? If it's a limitation in the current version of Safari, do you know where/to whom I should report this bug so that it might get fixed in Safari 3?

I have created a frameset mockup that loads a PDF (http://www.irs.gov/pub/irs-pdf/fw4.pdf) into a frame here in case some of you would like to test this behavior on your own machines. --> http://web.mit.edu/ichthyos/public/frameset-test/index.html

As a side note, I feel the need to defend my decision to use frames, as it seems that there is a stigma associated with them nowadays and someone will likely ask me why I'm using them. The target users of the web interface I am building need to be able to browse through a large (2-to-5 thousand file) library of PDFs and skim through them to reference forgotten details of old documents. I initially looked into embedding PDFs as objects or iframes, but found that using frames would be the best bet in terms of supporting multiple browsers across different platforms.

I apologize for the verbosity of my mail. Thanks for reading, and thanks in advance for any replies!

Edmund
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