Magento category dropdown menu - sub menu to be in 2 columns

I using Magento Community Edition v1.5.

By default all sub categories appear one after the other (1 column) under main category on mouse over e.g Main category is Apparel, Sub category will display Shirts, Pants etc in 1 column.

I would like to dis开发者_运维问答play sub-categories in 2 or 3 columns on mouse over main category. Doesn't allow me to post sample screenshort but I hope my question is clear. Thank you.

check this extension may be this can fulfil your requirments

http://web-experiment.info/webandpeople-custom-menu-extension.html

cheers!!!