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]
  }
  
  
  function getDate(){    
    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);	
  }