var mydate=new Date();
var year=mydate.getFullYear();
var day=mydate.getDay();
var month=mydate.getMonth();
var daym=mydate.getDate();
var dayarray=new Array("Neděle","Pondělí","Úterý","Středa","Čtvrtek","Pátek","Sobota");
var montharray=new Array("Leden","Únor","Březen","Duben","Květen","Červen","Červenec","Srpen","Září","Říjen","Listopad","Prosinec");
document.write(""+dayarray[day]+", "+daym+"."+montharray[month]+" "+year+"");