var week,day,month,year
function initArray(){
  this.length = initArray.arguments.length
  for (var i = 0; i < this.length; i++)
  this[i+1] = initArray.arguments[i]
}
  var LastModDate = new Date(document.lastModified);
  var WeekArray = new initArray(" 星期日"," 星期一"," 星期二"," 星期三"," 星期四"," 星期五"," 星期六");
  var MonthArray = new initArray("1月","2月","3月","4月","5月","6月","7月","8月","9月","10月","11月","12月");
  day = LastModDate.getDate() + "日 ";
  year = LastModDate.getFullYear() +"年";
  week = WeekArray[(LastModDate.getDay()+1)];
  month = MonthArray[(LastModDate.getMonth()+1)];
  document.write(year,month,day,week);