var today=new Date();
  var hours=today.getHours();
  document.write(today.getYear()+"年"+(today.getMonth()+1)+"月"+today.getDate()+"日");
document.write(" ");  
switch(today.getDay())
  {
    case 0:
	  document.write("星期日");break;
	case 1:
	  document.write("星期一");break;
	case 2:
	  document.write("星期二");break;
	case 3:
	  document.write("星期三");break;
	case 4:
	  document.write("星期四");break;
	case 5:
	  document.write("星期五");break;
	case 6:
	  document.write("星期六");break;
  }