I finally added CECash into my program - Free Sponsor Stat Checker
(
http://www.porn-in-web.com/webmasters/utilites/)
Do you know that every month has 32 day?
Here is how they count a day id:
period=7+targetday+32*targetmonth+385*(targetyear-1900)
I spent 3 hours trying to understand their algo...
By the way - StatTool utility saves time by checking all your sponsors stats
and making a html report
1) You enter login/password into it
2) you run .exe file on your computer
In less than 1 minute (on broadband/ADSL connection) you will get a html report with daily stats.