Tooltips for the Prototype framework
Prototip allows you to easily create both simple and complex tooltips using the Prototype javascript framework. If you also use Scriptaculous you can even add some nice effects to them. With Prototip you can show images, html, and even style the tooltip with css. There many different variations that you can create with Prototip.
Related Posts
Tags: Ajax, Prototip, Prototype, Scriptaculous, Tooltips
there are many good options. But Goolge has that brand name.