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Re: Re: Javascript Rollovers and accessibility

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From: Lori K. Brown
Date: Jan 21, 2003 6:56AM



I don't get how javascript-based image rollovers impair
accessibility.
If the links are wrapped around images that have alt text, what does
it matter if visually impaired users don't have access to what is
(usually) principally a decorative effect? If all the actual content
is presented clearly and properly labeled, what is the problem?

Lori Kay Brown
User Interface Engineer
SiteScape, Inc.
E-mail: <EMAIL REMOVED>


-------- Original Message --------

==> From: "Mark Rew" < <EMAIL REMOVED> >
==> Date: Tue, 21 Jan 2003 08:11:01 -0500

My experience is that these rollovers are not accessible to someone
who does not use a mouse such as a screen reader user.

Either provide a set of separate links or a separate page without
rollovers. After accessibility problems, and other problems with
different browsers and equipment not being able to use the rollovers
my shop redesigned our pages so rollovers are not needed.

Mark Rew

----- Original Message ----- From: chet To:
<EMAIL REMOVED> Sent: Tuesday, January 21, 2003 7:59 AM
Subject: Javascript Rollovers and accessibility

Hi,

I read previous posts, but can't seem to get a clear answer to my
question. If i am using graphics as links and want a rollover effect
on them (i.e they swap images using javascript) - does this meet
accessibility requirements?

Reading W3C & other guidelines I believe that using javascript for
rollovers (i.e visual effect only) does not require any additional
accessibility techniques (although i would use the <noscript> to let
users with javascript turned off that it is not conveying essential
info).

I am not talking about drop down menu's that i understand aren't
generally accessible (if at all?).

Also, If anyone has used javascript rollovers and complied with
accessibility can i have a look as an example?

Thanks, Chet (UK).


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