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in reply to LWP download: how to handle open/save/cancel prompt

Yes, get a sniffer like Ethereal ( free at www.ethereal.com), capture your browser's interaction with the site. The popup is likely just a javascript confirmation, could be on the same page, or be sent as a response, then redirect. All these will be obvious after you look at the source of the page and at what goes on the wire.
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