On the first place my gratitude goes to gmayor for supplementing the script, then to eduzs for digging into details and finally to macropod for his confirmation that I'm on a wrong track. *** I decided to take my chances and first changed the CharacterNumber from 9679(symbol=dot) to 9632 (symbol=square) then highlighted the symbol with a yellow color. To my great surprise it worked. However, it is hard to believe that, this time I've made things right at the first attempt. I need your final approval of the edited script.