Advertise here via BSA jQuery Collapse is a plugin that delivers an accessible and lightweight solution to a widely adopted interface pattern (known as progressive disclosure). It includes features like cookie persistence, ARIA compliance, and is designed to be flexible and modular enough to be used in many different’t scenarios. The plugin will gracefully degrade if cookie support is not available. It has been fully tested in IE6+, Firefox3+, Chrome5+, Safari4+, Opera 10+

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Lightweight jQuery Collapse with Cookie Support