EveryTip is a Jquery plugin that will read out any elements title tag and converts it into a individual styleable dynamic tooltip. You can apply it on any element you want e.g.: img, a , li, span, div and so on. The plugin automatically detects all elements of your specified type on the whole page and adds a tooltip to it. It also supports inside HTML , so you can display all HTML tags inside a tooltip. Comes in a lightweight and crypted version.
Download EveryTip » Jquery tooltip Plugin