// JavaScript Document
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(""+year+"年"+month+"月"+date+"日"+"&nbsp"+day);
	}

//选项卡
function card_a(num){
	var i=num;
	document.getElementById("c"+i).style.display="";
	document.getElementById("t"+i).className="card1_bg1";
		for(var j=1;j<3;j++)
		{
				if(j!=i)
				{
				document.getElementById("c"+j).style.display="none";
				document.getElementById("t"+j).className="card1_bg2";
				}
			}
}
function card_b(num){
	var i=num;
	document.getElementById("cc"+i).style.display="";
	document.getElementById("tt"+i).className="card2_bg1";
		for(var j=1;j<4;j++)
		{
				if(j!=i)
				{
				document.getElementById("cc"+j).style.display="none";
				document.getElementById("tt"+j).className="card2_bg2";
				}
			}
}
function card_c(num){
	var i=num;
	document.getElementById("ccc"+i).style.display="";
	document.getElementById("ttt"+i).className="card3_bg1";
		for(var j=1;j<6;j++)
		{
				if(j!=i)
				{
				document.getElementById("ccc"+j).style.display="none";
				document.getElementById("ttt"+j).className="card3_bg2";
				}
			}
}