Javascript flyout menu

[ace01]

Hello,

Can anyone tell me how to make a javascript flyout menu like the one that they have on
the amazon site?

here is what i am talking about. when you rollover the links on the left, where they
have men, women, teens, kids and baby

[a href=\"http://www.amazon.com/gp/browse.html/ref=gw_br_ap/103-3402523-4192647?%5Fencoding=UTF8&node=1036592\" target=\"_blank\"]http://www.amazon.com/gp/browse.html/ref=g...F8&node=1036592[/a]

thanks!