[HELP] Dual Head installation

[xxmlud]

Hi!

I have 2 monitors working with two different desktop
Could You please help me setting up , the two monitors whith only "One" desktop.
It is possible?
My video card is Nvidia FX 1400
SO: Linux Mint 14 KDE 4.10
2 monitors: 1920x1080 , dvi cable
Thank You very much !