select anim REM - anim holds which animation to play
      case 1  REM - anim range for idle
         ll=1 REM - set lowest keyframe to 1
         lh=10 REM - set highest to 10
      endcase
      case 2
         ll=11
         lh=19
      endcase
endselect
cl=cl+1 REM - cl holds the current frame of animation
   if cl<ll then cl=ll REM - if current frame is lower than lowrange, adjust
   if cl>lh then cl=ll REM - if current frame is higher than highrange, set to lowrange