ADSL上网计时程序，自动检测因特网联接，每分钟更新一次计费时间，自动检测是否超过19.5小时，主要给计时的ADSL用户的。-ADSL Internet access timing procedures, automatically detects the Internet connection, updated every minute billing time, automatically detect if more than 19.5 hours, mainly to the timin