[COD] GetWeekName

GetWeekName(day=0, month=0, year=0)
{
    new
        sStr[24] = "Inválido",
        iBissext = (year % 100),
        iWeekDay = (year / 100);

    if(month < 3) month += 12,year--;
    new iWeek = ((day + (month+1)*26/10 + iBissext + iBissext/4 + iWeekDay/4 - 2*iWeekDay) % 7);

    sStr =
    (
        (iWeek == 0x0) ? ("Sábado") :
        (iWeek == 0x1) ? ("Domingo")    :
        (iWeek == 0x2) ? ("Segunda")    :
        (iWeek == 0x3) ? ("Terça")  :
        (iWeek == 0x4) ? ("Quarta") :
        (iWeek == 0x5) ? ("Quinta") :
        (iWeek == 0x6) ? ("Sexta")  :  ("Inválido")
    );
    return sStr;
}

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