13. A multi top-level graphical-container apparatus as recited in claim 12 , wherein said request is send by an application program.
13. A multi top-level graphical-container apparatus as recited in claim 12 , wherein said request is send by an application program. 14. A multi top-level graphical-container apparatus as recited in claim 13 , wherein said application program is implemented in a platform-independent programming language.