function lastDate(){
	var last_year;
	var last_month;
	var last_day;
	last_date = new Date(document.lastModified);
	last_year = last_date.getYear();
	last_month = last_date.getMonth();
	last_day = last_date.getDate();
	document.write("last update ");
	document.write(last_year,".");
	document.write(last_month + 1,".");
	document.write(last_day);
	}

var SysDate=new Date();
var AniDate=new Date(2002,8,17);
days=(AniDate.getTime()-SysDate.getTime())/(24*60*60*1000);

lastDate();