function show_date(id_name) {
   var weekdays =  new Array("SONNTAG","MONTAG","DIENSTAG",
                   "MITTWOCH","DONNERSTAG","FREITAG","SAMSTAG");
   var now = new Date();
   var day = now.getDate();
   var month = now.getMonth() + 1;
   var year = now.getFullYear();
   var weekday = now.getDay();
   var day0  = ((day < 10) ? "0" : "");
   var month0  = ((month < 10) ? ".0" : ".");
   var today = day0 + day + month0 + month + "." + year;
   var date_to_show = weekdays[weekday] + ", " + today;
   document.getElementById(id_name).innerHTML = date_to_show;
}

function check_input(id_name, max_value) {
if(document.getElementById(id_name).value.length >
max_value)
document.getElementById(id_name).value =
document.getElementById(id_name).value.supstr(0,
max_value);
document.getElementById('max').innerHTML =
max_value - document.getElementById(id_name).value.length;
}