Accordionza is a very flexible and lightweight jQuery (v1.4+) accordion plugin.

Many features — Easily configure all effects and speed; pause on hover; autoplay and autorestart; collapseable captions; and more.
Keyboard navigation — Optionally enable the cursor keys to browse an accordion.
Lightweight — The plugin takes only 3kB to load.
Flexible — Three accordion styles are included. Create your own with some HTML&CSS skills.
Solid — No wobbly edges as often seen in other accordion scripts.
Progressive enhancement — All content is still viewable without JavaScript enabled.
Well documented — Check out the live examples and documentation.

Accordionza - jQuery Plugin