I found this article in BlogOhBlog. there is some plugins for this and most premium themes have special tabs like that. You can do this without any plugin or any help. Just read this article and use this codes. Easy and minimal -simple- tabs. Lets Begin!

You can use this tooltips with your WordPress Blog! Very simple and collect href and href’s title areas for write bubles. This tooltip script has a verysimple, very nice code and easy install&use! Let’s Begin!

This trick comes from Blog-Oh-Blog. You can create a login panel with simple jQuery and Html. We will edit header.php and style.css. Let’s begin…

Hi again. The jQuery is the most easy javascript framework. You can integrate most of useful javascript commands and code to your site with this framework. Also you can addjQuery to your WordPress theme easily…

This think and coding coming from Jean-Baptiste Jung. When i read his Ubuntu Theme Colletction  article for choose my new Ubuntu theme i saw an article title Magazin Style Dropdown menu and i clicked that link. I think you can make this easily. Smells good!