Supports infinite level of unordered lists, easy to implement, and has been tested in Internet Explorer 6+, Firefox, Safari, and Chrome.
Best jQuery Accordion Plugins & Tutorials with Demo
This widget-esque script is at once both a news ticker and a mini accordion. It takes a config file of data (headlines, image SRCs, URLs etc) and paginates your headlines into folds. It will optionally auto-rotate through these folds, though you can navigate between them with the numeric tabs at the top right. If an item has ‘more info’ data set in the config, then clicking the headline will reveal that data in an accordion fashion. See below for an example.