function datum(dat)
{
var d = new Date(dat);
var yy = d.getYear();
var yyyy = d.getFullYear();
var mm = d.getMonth() +1;
var dd = d.getDate();
var ww = d.getDay();
var udd = d.getUTCDate();
var umm = d.getUTCMonth();
var uyy = d.getUTCFullYear();
var weekdays = new Array();
weekdays[0] = "Sonntag";
weekdays[1] = "Montag";
weekdays[2] = "Dienstag";
weekdays[3] = "Mittwoch";
weekdays[4] = "Donnerstag";
weekdays[5] = "Freitag";
weekdays[6] = "Samstag";
document.write("Aktualisiert: " + weekdays[ww] + ", den " + dd + "." + mm + "." + yyyy);
}