External monitor and closing the lid without going to sleep

[boostmiser]

Is there a function to enable the external monitor to work with the mbp lid closed? Any way around this without third party software??? I enabled mirroring but when I close the lid, the mbp goes to sleep.

 

[spinnerlys]

Apple Portables: How to use your computer in closed clamshell (display closed) mode with an external display

 

[Dragonforce]

http://support.apple.com/kb/HT3131