Opentip is an open source javascript tooltip framework. It comes as a framework independent tooltip and framework dependent as well. You can choose any adapter you want so you can work with the framework of your choice.

Supported frameworks are:

• Native. You can use this one if you don’t use any framework.
• Ender
• Component
• jQuery
• Prototype

There are great styles built right into opentip and it’s easy to create your own. Opentip can automatically download their contents via AJAX. It’s extremely easy to configure them to do