jetzt = new Date(); 
Tag = jetzt.getDate(); 
m = jetzt.getMonth(); 
Jahr = jetzt.getYear();
if(Jahr < 105) Jahr+=1900;
wt = jetzt.getDay(); 
var Wochentag = new 
Array("Sonntag","Montag","Dienstag","Mittwoch","Donnerstag","Freitag","Samstag"); 
var Monat = new 
Array("Januar","Februar","März","April","Mai","Juni","Juli","August","SepTember","Oktober","November","Dezember"); 

function datum() 
{ 
 document.write(Wochentag[wt] + ", " + Tag + "." + Monat[m] + " " + Jahr); 
}
datum();