[ FYI: This thread was started as a response to another conversation, in 
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http://groups.yahoo.com/group/videoblogging/message/39116
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Nathan Miller asked for help in understanding this incoming message::
>> Hey Nathan, do you realise you’ve got ActiveX employed
>> on your Web site? It’s causing these really annoying
>> pop-up messages to appear in my browser every time I
>> access your page. I use IE 6. Can you do something
>> about this?

Not knowing the literal alert the person saw makes it hard for any of us 
to be definitive.

If this person is using Microsoft Internet Explorer for Windows, then 
they are by definition using ActiveX Controls to render some of their 
content.

I visited your site in Firefox/WinXP, and also saw alerts. I have an 
older version of QuickTime installed, but did not have the codecs 
necessary to view that QT content. Here's what's going on:

When someone visits your video page in a plugin-using browser (Mozilla, 
Safari, Opera, others) then the server identifies the media type of this 
extended content via the MIME type abbreviations. The browser then 
checks which plugins it has that can display this video type, invokes 
the plugin, and displays the content. In Microsoft's Window browser, the 
OBJECT tag identifies the ActiveX Control which the designer wants to 
use (via the CLSID), and identifies any minimum version (via the 
CODEBASE argument).

In both cases, the browser will throw up an alert if the plugin or 
control is not installed. IE/Win will also do a version check, and will 
also do a background-download of the necessary Control. Some plugins 
(such as QuickTime, I believe) will also throw up their own alert if the 
renderer is too old to render more modern content.

Bottom line: If your visitor's browser cannot yet render your content, 
they will see an alert, and the browser will try to guide them to an 
updated browser extension, in either Netscape Plugin or ActiveX wrapper.


What to do? This person will be seeing lots of similar alerts in 
IE/Win... it's not solely your responsibility. Your *site* doesn't use 
ActiveX so much as his *browser* uses ActiveX, and your site tries to 
accommodate their choice.

How to minimize? This is self-serving of me, admitted, but it's easiest 
to use video in the Adobe Flash video architecture. More people have 
this browser extension than any other, and more people have the current 
version than have the current versions of any other WWW technology.

This will not eliminate all browser-incapability alerts, but will reduce 
them greatly... in its first three months over 50% of consumers tested 
had already updated to Flash Player 8, so the odds are much better that 
your audience will not see any update alerts.


Sorry I took so long, but I hope the above background helps figure out 
what they're objecting to. (And like other folks in this thread, I don't 
see any connection to the "Eolas" behavior change in IE/Win... only 
commonality seems to be the word "ActiveX" in the title.)

jd





-- 
John Dowdell . Adobe Developer Support . San Francisco CA USA
Weblog: http://weblogs.macromedia.com/jd
Aggregator: http://weblogs.macromedia.com/mxna
Technotes: http://www.macromedia.com/support/
Spam killed my private email -- public record is best, thanks.


 
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