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A requirement of the product is accessibility by people with disabilities. We must ensure the product conforms to the Web Content Accessibility Guidelines 1.0 (WCAG 1.0) published by the W3C (World Wide Web Consortium) as part of the Web Accessibility Initiative (WAI) to at least Priority Level One and the product must also conform to Section 508 - 1194.22 Web-based intranet and internet information and applications, which is published in the Federal Register.
The section 508 site states:
'Section 508 requires that Federal agencies' electronic and information technology is accessible to people with disabilities. The Center for Information Technology Accommodation (CITA), in the U.S. General Services Administration's Office of Government wide Policy, has been charged with the task of educating Federal employees and building the infrastructure necessary to support Section 508 implementation. Using this web site, Federal employees and the public can access resources for understanding and implementing the requirements of Section 508'
http://www.section508.gov/index.cfm?FuseAction=Content&ID=12
Subpart B 1194.22 Technical Standards - Web-based intranet and internet information and applications. 16 rules :
http://www.section508.gov/index.cfm?FuseAction=Content&ID=12
This is equivalent to WCAG 1.0 Checkpoint 1.1:
1.1 Provide a text equivalent for every non-text element (e.g., via 'alt', 'longdesc', or in element content). This includes: images, graphical representations of text (including symbols), image map regions, animations (e.g., animated GIFs), applets and programmatic objects, ascii art, frames, scripts, images used as list bullets, spacers, graphical buttons, sounds (played with or without user interaction), stand-alone audio files, audio tracks of video, and video. (Priority 1)
This is equivalent to WCAG 1.0 Checkpoint 1.4:
1.4 For any time-based multimedia presentation (e.g., a movie or animation), synchronize equivalent alternatives (e.g., captions or auditory descriptions of the visual track) with the presentation. (Priority 1)
This is equivalent to WCAG 1.0 Checkpoint 2.1:
2.1 Ensure that all information conveyed with color is also available without color, for example from context or markup. (Priority 1)
This is equivalent to WCAG 1.0 Checkpoint 6.1:
6.1 Organize documents so they may be read without style sheets. For example, when an HTML document is rendered without associated style sheets, it must still be possible to read the document. (Priority 1)
This is equivalent to WCAG 1.0 Checkpoint 1.2:
1.2 Provide redundant text links for each active region of a server-side image map. (Priority 1)
This is equivalent to WCAG 1.0 Checkpoint 9.1:
9.1 Provide client-side image maps instead of server-side image maps except where the regions cannot be defined with an available geometric shape. (Priority 1)
This is equivalent to WCAG 1.0 Checkpoint 5.1:
5.1 For data tables, identify row and column headers. (Priority 1)
This is equivalent to WCAG 1.0 Checkpoint 5.2:
5.2 For data tables that have two or more logical levels of row or column headers, use markup to associate data cells and header cells. (Priority 1)
This is equivalent to WCAG 1.0 Checkpoint 12.1:
12.1 Title each frame to facilitate frame identification and navigation. (Priority 1)
This is equivalent to WCAG 1.0 Checkpoint 7.1:
7.1 Until user agents allow users to control flickering, avoid causing the screen to flicker. (Priority 1)
This is equivalent to WCAG 1.0 Checkpoint 11.4:
11.4 If, after best efforts, you cannot create an accessible page, provide a link to an alternative page that uses W3C technologies, is accessible, has equivalent information (or functionality), and is updated as often as the inaccessible (original) page. (Priority 1)
W3C's WAI 'Web Content Accessibility Guidelines 1.0', level A checkpoints (priority one checkpoints)
images, graphical representations of text (including symbols), image map regions, animations (e.g., animated GIFs), applets and programmatic objects, ascii art, frames, scripts, images used as list bullets, spacers, graphical buttons, sounds (played with or without user interaction), stand-alone audio files, audio tracks of video, and video.
There is an overlap in the mapping between section 508 subpart B and the WCAG 1.0 which is shown in the following table:
Section 1194.22 Paragraph | WCAG 1.0 Checkpoint |
(a) | 1.1 |
(b) | 1.4 |
(c) | 2.1 |
(d) | 6.1 |
(e) | 1.2 |
(f) | 9.1 |
(g) | 5.1 |
(h) | 5.2 |
(i) | 12.1 |
(j) | 7.1 |
(k) | 11.4 |
Paragraphs (l), (m), (n), (o), and (p) of the 508 standards are different from WCAG 1.0. Web pages that conform to WCAG 1.0, level A (i.e., all priority 1 checkpoints) must also meet paragraphs (l), (m), (n), (o), and (p) of this section to comply with this section.
WCAG 1.0 level A is the same as the 508 standards § 1194.22 (a) to (k) plus the following:
1194.21 Software applications and operating systems.
http://www.section508.gov/index.cfm?FuseAction=Content&ID=12#Software
Subpart C
1194.31 Functional performance criteria.
http://www.section508.gov/index.cfm?FuseAction=Content&ID=12#Functional
Subpart D
1194.31 Information, Documentation, and Support
http://www.section508.gov/index.cfm?FuseAction=Content&ID=12
A good place to start can be found at:
http://www.w3.org/WAI/gettingstarted/
W3c guidelines can be found at:
http://www.w3.org/TR/WCAG10/
HTML techniques can be found at:
http://www.w3.org/TR/1998/WD-WAI-PAGEAUTH-0203
WAI Resources can be found at:
http://www.w3.org/WAI/Resources/
W3C's Evaluation suite:
http://www.w3.org/WAI/ER/existingtools.html
A popular choice for web accessibility testing is bobby:
http://www.watchfire.com/products/desktop/bobby/default.aspx
Ask for and offer help to other Alfresco Content Services Users and members of the Alfresco team.
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