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] = "października" 
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 
}