The demonstration was rendered in a nightly build of Firefox while being spoken by the Window-Eyes screen reader, from GW Micro and while being magnified by the Windows Magnifier.
When entering the menu, Window-Eyes announced "menu activated." It was able to read each of the menu items as well as the state of those that were disabled.
Spread sheet navigation announced changing row and column header inforamtion as well as whether the user were on a row header, column header, or spreadsheet cell. When an enter key was performed on a cell, Window-Eyes would announce the column header followed by the editable cell and its contents. It would echo text being entered. When cell editing was complete it announced the new contents.
The Window magnifer followed user focus as the spreadsheet cells and menu items were navigated.
This paradigm shift showed that it is now possible to deliver the kind of usability and accessibility that we can expect from an accessible GUI today in a web page. This allows for the delivery of accessible dynamic applications on multiple operating systems without the weight of a GUI.
The industry response was fantastic. We have seen interest from SAP, Google, AOL, Sun and others. Roundtable discussions included the construction of reusable open source DHTML widgets which could be incorporated into tooling for reuse by the industry.
It shows what you can do through open standards and industry cooperation.
CSUN - DHTML Accessibility
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