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Standards Compliance
XHTML 1.1
RadPanelBar “for ASP.NET Ajax” is fully compliant with the XHTML 1.1 requirement.
Section 508
RadPanelBar satisfies the requirements of "Section 508" for software accessibility, as well as those of "Level AAA" (in accordance with the W3C Web Accessibility Guidelines 1.0).
Keyboard support
RadPanelBar also has full support for keyboard navigation with Shortcuts, Access Keys and Arrow-key navigation.