Drop Down Menus

Anybody knows the simplest code to make drop down menus for web purposes. thanks in advance for help....waiting

i hope you do not mean combo box, like in here
when you choose the forum jump,

if not, if i guess what you mean you need layers!!

take a look at "scriptomania" on http://www.bratta.com

also look here, http://www.brainjar.com and http://www.dynamicdrive.com