local int id, enttype 
getint "ID of entity to highlight", 0, id 

if (0 == id) 
exit 

getentid id, enttype 

if (0 != @error) 
exit 

local int level 
level = @intdat[4] 
levels 0, 1, 255 
levels 1, level 
auto -1 
redraw -1 

ck_draw_entity id, 0, , 3, -1 
pause