Nitobi Callout
Nitobi Callout       Nitobi Callout is a rich, skinnable tool-tip and messaging component that prompts... in the user's view. Nitobi Callout requires minimal coding and effort. Features include 

how to crate callout box in jsp - JSP-Servlet
how to crate callout box in jsp  how to create a callout box when pointing a link in jsp page like in MS-word document callout box. Please help me I want to use 

AjaxTags
another field, callout or balloon popups for highlighting content, refreshing 

Ajax Tools
to a recordset.    Nitobi Callout Nitobi Callout.... This class is based on Prototype.   Nitobi Tree Nitobi Tree adds... web application with minimal coding and effort.    Nitobi Grid 

Ajax Code Libraries and Tools
population based on selections made from another field, callout or balloon popup