set TxtCursor to (21 + ((WhichBug -1) * 2)) -- first cursor position
  set the castnum of sprite (21 + ((WhichBug -1) * 2)) to the number of cast "FirstCursor"
  --changed above from "tens" to "firs.."
  updatestage
  set the visible of sprite  (22 + ((WhichBug -1) * 2)) to false
  set the visible of sprite (21 + ((WhichBug -1) * 2)) to true