#Include <Misc.au3>

Local $user32 = DllOpen("user32.dll")
Local $bool = '0'

While 1
   if _IsPressed("70", $user32) then
	  $bool = 1
   EndIf

   if _IsPressed("71", $user32) then
	  $bool = 0
   EndIf

   if $bool = 1 then
	  Sleep(350)
	  Send("{3 down}")
	  Send("{2 down}")
	  Sleep(50)
	  Send("{3 up}")
	  Send("{2 up}")
   endif
WEnd

DllClose($user32)