This will let you have pop-up targets that start down and popup when you enter a trigger and then will stay down until you leave and re-enter the trigger. It requires no scripts.

====== Set Up ======
You need:
  * A game logic with "nopop = true;" in it's init
  * A trigger with "{_x setDamage 0; _x animate["terc", 0];} forEach (synchronizedObjects thisTrigger)"
  * A popup target (find one under "Objects Training") with "this setDamage 1; this animate["terc", 1]" in it's init
  * Synchronise the popup target to the trigger
  * You can add more popup targets and sync them to the trigger and they'll all popup when a player enters the trigger.
 
{{ :popupscriptdiagram.png?nolink |}}