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Re: CSS Photo Shuffler Accessibility
From: Sandra Clark
Date: Nov 13, 2006 10:50AM
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The slow fading isn't a problem,
What are problems is the lack of viable alt attributes describing each
image. Also the inability to turn it off and on again is also problematic
with accessibility.
Sandra Clark
=============================http://www.shayna.com
Training in Cascading Style Sheets and Accessibility
-----Original Message-----
From: <EMAIL REMOVED>
[mailto: <EMAIL REMOVED> ] On Behalf Of Laura Carlson
Sent: Monday, November 13, 2006 12:37 PM
To: <EMAIL REMOVED>
Subject: [WebAIM] CSS Photo Shuffler Accessibility
Any opinions on the accessibility of Carl Camera's "CSS Photo Shuffler":
http://iamacamera.org/sandbox/photoshuffler/
We are contemplating using something like this on one of our sites.
It doesn't seem to flicker or produce a strobe-like affect. But is the slow
fading affect a problem?
Our University standard [1] says to:
"Avoid the use of blinking page elements and scrolling marquees.
Blinking page elements and the refreshing of the screen to animate marquees
shall do so at a frequency of less than twice a second (2 Hz) or greater
than 55 times a second (55 Hz)."
Also is the lack of an on/off switch that the _user_ could control...with
_off_ as the default a problem? Any other problems with it?
Thanks,
Laura
[1] http://cap.umn.edu/ait/web/BlinkingPageElementsAndMarquees.html
___________________________________________
Laura L. Carlson
Information Technology Systems and Services University of Minnesota Duluth
Duluth, MN U.S.A. 55812-3009 http://www.d.umn.edu/goto/webdesign/
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