[Plugin Multiple Category Selection Widget] why doesn’t word at 2.6.2

Hi there,

Anyone have any idea why this plugin doesn’t work for WP 2.6.2?

http://ww.wp.xz.cn/extend/plugins/multiple-category-selection-widget

Think it has something to do with the way the submit button is handled. This is exactly the type of plugin I need, just have to get it to work in 2.6.2 – at least, thats what I think the problem is, anyone able to shed any light on this?

Cheers!