1 Debugging VBScript doesn't have a debugger like Visual Basic. 2  You'll resort to using lots of message boxes, instead. 3  Event-handlers You don't have an editor in which you select an object and event to edit an event-procedure.
1 Position Vent: Center each soffit vent over the hole with the vents parallel to the eaves and the vent louvers facing in toward the house. 2  Attach Vent: Screw or nail each vent to the soffit board.
Vents admit air into the pipes that helps equalize the air pressure in the pipes to prevent blowback and siphoning of the water seal in the trap. All fixtures need one, and only one, trap that is set level. Fixtures with an internal trap, like a toilet, do not need and should not have a separate trap.