Add to open more than one tab in the same window in Firefox

Depends a lot of users on a lot of sites at the same time , and in spite of the excellent organization that provided by the system tabs in Firefox , but the user may need to open Tbooiben together at the same time to convey specific information , for example. Allow dividing the window into more than one partition and open each tab in your department

So that can be used to add "Tile Tabs" that will allow the division of the window to more than one partition and open each tab in your department with the ability to control the size of the department and enlarged and minimized .

After you install added the user presses the Oikontha existing after the address bar , to be open all the tabs within this window.