When user navigates from the page it should capture the screen and when the user hovers the mouse over the back button it should pop up a window displaying the earlier screen shot and similar functionality for the forward button.

14/04/10 - 16/04/10 : Learn how to develop add-ons for mozilla.

17/04/10 : Planing and figuring out the project.

18/04/10 - 28/04/10 : Coding and try to complete the task.