>Hi Naomi
>
>>Send me an e-mail, I've developed a class based on Marcia's class, but bound to datetime, if I recall correctly.
>
>I have just sent you an email, please check your account.
>
>Thanks.

I'll do, but after I sent my message I realised, I used integer duration and not a datetime. But perhaps it still can be adopted.

I'll check my e-mail in few minutes.