var d = new Date();  

document.write(""+d.getYear()+"年"+(d.getMonth()+1)+"月"+d.getDate()+"日");

switch(d.getDay())
{
	 case 0:
		document.write("  <font style='font-size:12px'>星期日");
		break;
	 case 1:
		document.write("  <font style='font-size:12px'>星期一");
		break;
	 case 2:
		document.write("  <font style='font-size:12px'>星期二");
		break;
	 case 3:
		document.write("  <font style='font-size:12px'>星期三");
		break;
	 case 4:
		document.write("  <font style='font-size:12px'>星期四");
		break;
	 case 5:
		  document.write("  <font style='font-size:12px'>星期五");
		  break;
	 case 6:
		  document.write("  <font style='font-size:12px'>星期六");
		  break;
}

document.write("</font>");