Enhanced Easy Accordion
Bug fixes and enhancements on EasyAccordion by Andrea Cima Serniotti
EasyAccordion is no longer activly maintained.
###conventAccordion
I posted a successor of easyAccordion called conventAccordion on github.
It supports horizontal and vertical accordions, galleries, rotating banners and more.
Check it out on http://github.com/Luch/conventAccordion
Demo page at http://members.ziggo.nl/luch.klooster/