1. There are images devided in to areas in the HTML page.
2. When a area is clicked, it should popup small area with rows pupluated from a database.
3. When mouse hover over the above mentioned rows in the area, it should display another small area again populated from a database.
Gmail inbox has this implemented. if you click small down arrow next to inbox, it display few rows and we can hover the mouse over those rows and see the description. Please see teh attachement.