// Search for all players and actors.
   potential = FirstThingInView(player, 80, 100, 0x404);
   while(potential != -1)
   {
      if(
         HasLOS(player, potential) &&
         (potential != player) )
         {
         dot = ThingViewDot(GetSenderRef(), potential);
         if(dot > maxDot)
         {
            victim = potential;
            maxDot = dot;
         }
      }
 //find another enemy thats the next 
//thing that the person sees in the field of 
//view
potential = NextThingInView();
   }

   // If we have a victim...
if((victim != -1))
{
	//change those to whatever color you want	
jkSetTargetColors(4, 5, 6);
	jkSetTarget(victim);
//do stuff with your victim here	
}
else
{
	jkEndTarget();
}
}
return;