// JavaScript Document
//时间日期
function date(){
	var now=new Date();
    year=now.getYear();
    month=now.getMonth()+1;
    date=now.getDate();
    day=now.getDay();
switch(day)
{
case 0:day="星期日";break;
case 1:day="星期一";break;
case 2:day="星期二";break;
case 3:day="星期三";break;
case 4:day="星期四";break;
case 5:day="星期五";break;
case 6:day="星期六";break;
default:
day="";
}
document.write("您好！今天是"+year+"年"+month+"月"+date+"日"+"&nbsp"+day);
	}

//下拉菜单
function menu_show(num){
	document.getElementById("menu"+num).style.display="";
	}
function menu_dis(num){
	document.getElementById("menu"+num).style.display="none";
	}