DayName = new Array(7)
DayName[0] = "niedziela"
DayName[1] = "poniedziałek"
DayName[2] = "wtorek"
DayName[3] = "środa"
DayName[4] = "czwartek"
DayName[5] = "piątek"
DayName[6] = "sobota"

MonthName = new Array(12)
MonthName[0] = " stycznia "
MonthName[1] = " lutego "
MonthName[2] = " marca "
MonthName[3] = " kwietnia "
MonthName[4] = " maja "
MonthName[5] = " czerwca "
MonthName[6] = " lipca "
MonthName[7] = " sierpnia "
MonthName[8] = " września "
MonthName[9] = " padziernika "
MonthName[10] = " listopada "
MonthName[11] = " grudnia "

function getDateStr(){
    var Today = new Date()
    var WeekDay = Today.getDay()
    var Month = Today.getMonth()
    var Day = Today.getDate()
    var Year = Today.getFullYear()

    if(Year <= 99)
        Year += 1900

    return DayName[WeekDay]+", " + Day + MonthName[Month] + Year
}

document.write(getDateStr())