open 2 full screen windows

[pitale]

i dunno if i m in the right place to ask this quesiton... if not, pls direct me... thx

i've just seen "Launch Full Screen Window"tutorial... it just teaches me how to open 1 window with 1 button... and it works fantastically...

and now i want to open another full screen window with another button... ..
so in total ,

i want to open 2 full screen windows
i have 2 buttons... 1 for each full screen window...

so how would that code be??