Accessibility Statement

All pages on this site is WCAG AAA approved, complying with all priority 1, 2, and 3 guidelines of the W3C Web Content Accessibility Guidelines. Access keys Most browsers support jumping to specific links by typing keys defined on the web site. On Windows, you can press ALT + an access key; on Macintosh, you can press Control + an access key. All pages on this site define the following access keys:

• Access key 1 - Home page
• Access key 3 - Table of contents
• Access key 4 - Search
• Access key 8 - Terms of use
• Access key 9 - Feedback
• Access key 0 - Accessibility statement

Navigation aids

1. All pages have the ability to skip to the links directly and/or to skip straight to content Links

Links

1. Many links have title attributes which describe the link in greater detail, unless the text of the link already fully describes the target (such as the headline of an article).
2. Links are written to make sense out of context.

Images

1. All content images used in this site include descriptive ALT attributes. Purely decorative graphics include null ALT attributes.

Visual design

1. This site uses cascading style sheets for visual layout.
2. This site uses only relative font sizes, compatible with the user-specified "text size" option in visual browsers.
3. If your browser or browsing device does not support stylesheets at all, the content of each page is still readable.