Hi Clare,
Please see if this, or any part of it will be of help:
http://dev.opera.com/articles/view/accessible-context-sensitive-help-with-u/
There are two formats described with working examples and code samples.
Hope this may be of help.
Med vennlig hilsen / Kind regards,
Frank M. Palinkas
Take a look at this method:
http://websemantics.co.uk/resources/accessible_ajax_glossary/
An AJAX method which embeds the help into the page upon demand.
Alternatively:
http://direct.tesco.com/homepage/furniture.aspx
Click on Spare parts or Customer services.
With JS you get a pop-up, without
Here¹s a couple (well, 3) links to creating accessible popups to check out:
http://meyerweb.com/eric/css/edge/popups/demo2.html
The ever-popular Lightbox - http://www.lokeshdhakar.com/projects/lightbox2/
And from Accessify -
http://accessify.com/features/tutorials/the-perfect-popup/
Cheers
