Firefox 3: QuickTime Poster Movie does not load QT media file when clicked

Question

I have a video podcast website (thomasbrin.com) that uses the the Apple-provided JavaScript utility and the QTWriteOBJECTXHTML function call on each of my podcast episode webpages to automatically generate the proper object and embed tags. The page loads with a poster movie which, when a user clicks on, should connect to the podcast media file and begin playback.
This coding technique works fine in Safari and IE but fails in Firefox. Instead, when a user clicks on the poster movie, nothing happens. No errors are generated, the webpage just remains unchanged.
This issue came to my attention from a viewer of my video podcast. I loaded Firefox 3 and am having the same issue my viewer reported.
You can visit this page to see the issue directly: http://www.thomasbrin.com/GOT3mov.html Load the page in Firefox 3 and click on the poster movie.
I've verified that on my system the QuickTime plugin is properly installed and Javascirpt is enabled in Firefox.
I have searched the Firefox and Apple support forums but have come up empty. Any ideas?

Answer 1

Okay, problem solved. And, of course, it was a very simple solution.
Baby Boomer, if you read this post would you please retest this page (http://www.thomasbrin.com/GOT3mov.html) in Camino and let me know if it works for you now.
The issue with the Camino browser got me thinking about the differences between the Gecko rendering engine (used by Firefox, Camino, SeaMonkey, and more) and the WebKit rendering engine used by Safari. I realized that Safari may be better at inferring MIME types than Firefox et al. In other words, since the target file in my Javascript script is clearly a QuickTime file (it has a .mov extension after all), Safari implicitly assumes the correct MIME type. On the other hand, Gecko-based browsers may be more strict and require an explicit reference to a MIME type for certain media files (like QuickTime) to load properly.
So, all I did was add an attribute pair to my script that declares the proper media MIME type and it works.
Here's my old script (without the script tags):
QTWriteOBJECTXHTML('BrinPoster2.jpg','640','376','',
'HREF','http://www.thomasbrin.com/QTEncodings/GOT3NS.mov',
'TARGET','myself',
'CONTROLLER','False');
Here's my new script (without the script tags):
QTWriteOBJECTXHTML('BrinPoster2.jpg','640','376','',
'HREF','http://www.thomasbrin.com/QTEncodings/GOT3NS.mov',
'TARGET','myself',
'TYPE','video/quicktime',
'CONTROLLER','False');
The explicit MIME type made the difference.