void main()
{
object oUser = GetLastUsedBy();
object oTop = GetObjectByTag("LadderTop");
object oBottom = GetObjectByTag("LadderBottom");
object oWPTop = GetWaypointByTag("WP_LadderTop");
object oWPBottom = GetWaypointByTag("WP_LadderBottom");

 if (OBJECT_SELF == oTop)
   {
    AssignCommand(oUser,ActionJumpToObject(oWPBottom));
   }

 else
   {
    AssignCommand(oUser,ActionJumpToObject(oWPTop));
   }


}