>>>>>thanks,I am polishing it now
>>>
>>>79, the main column order
>>
>>Is it a field on 79th position? Why you can not explicitly name the field?
>
>
>That is an already there , it ain't my code, so i didn't want to touch it

I see. This is what I'm saying - if anyone comes later, he/she would not be able to determine, what this 79 means.