You! Tell Me How To Make My WebPage Like Thottbot.com

here is my webpage, fairly new. www.stupidchill.com

What i want to do is have links like www.thottbot.com as u glide over them things pop down with more options, how do i do that to my site, i have dreamweaver 2004. Thanks for ur replysssssssssssss

ps i have flash but ive never used it before