[Plugin: Flexo Archives] expand on hover

how can I get it to work on hover?
I tried changing the event in the jQuery but it doesn’t work very well.

basically I’d like it to work like this plugin:
http://www.designchemical.com/lab/jquery-vertical-accordion-menu-plugin/getting-started/

http://ww.wp.xz.cn/extend/plugins/flexo-archives-widget/