lock preview window on top?

[El Kabong]

Feature request?
Kinda a pain always having to bring shader preview window to front after making a change to the parameters.
Win7 hotkey "Always on Top" is a bit of a hassle to use. 
Invidia display drivers have a toggle to lock window on top. Is there a way to incorporate this feature into the Terragen UI?

Later, Ron

[Dune]

Hit F3 and it pops up.

[El Kabong]

Found that when the shader dialog box is open in its "own window" and the preview window opened from that, the two windows stay on top of main program window.