Can you direct me to simple instructions for creating an html based dropdown link menu similar to Gaiaonlines?

I want to create simple drop down menu navigation links for my website.like this


Home | Category 1 | Category 2 | etc


_______link one____link one____link one


_______link two____link two____link two


_______link three_____________link three


so i can keep a simple 6 button horizontal navigation bar that will serve up to twelve or more pages with three or for links in some categories.Can you direct me to simple instructions for creating an html based dropdown link menu similar to Gaiaonlines?
Try this site: http://www.cssplay.co.uk/menus/





He has hundreds of CSS drop-down menus. Here are two of his menus: http://www.cssplay.co.uk/menus/drop_defi鈥?/a>


http://www.cssplay.co.uk/menus/drop_defi鈥?/a>





Have a look at the rest. Good luck and feel free to contact me if you need any help with implementing them.