var jikan;
var T = document.title;
function titlebar() {
today = new Date();
y = today.getYear();
if (y < 2000) { y += 1900; } 
mt = today.getMonth()+1;
d = today.getDate();
h = today.getHours();
m = today.getMinutes();
s = today.getSeconds();
var jikan ="　"+y+"年"+mt+"月"+d+"日"+h+"時"+m+"分"+s+"秒 ";
setTimeout("titlebar()", 1000);
document.title = T + jikan;}
if (document.all) titlebar();
onload:titlebar();