function selectTag(showContent,selfObj){
	// 操作标签
	var tag = document.getElementById("tags").getElementsByTagName("li");
	var taglength = tag.length;
	for(i=0; i<taglength; i++){
		tag[i].className = "";
	}
	selfObj.parentNode.className = "selectTag";
	// 操作内容
	for(i=0; j=document.getElementById("tagContent"+i); i++){
		j.style.display = "none";
	}
	document.getElementById(showContent).style.display = "block";
	
	
}
function selectTagw(showContent,selfObj){
	// 操作标签
	var tag = document.getElementById("tagss").getElementsByTagName("li");
	var taglength = tag.length;
	for(i=0; i<taglength; i++){
		tag[i].className = "";
	}
	selfObj.parentNode.className = "selectTagw";
	// 操作内容
	for(i=0; j=document.getElementById("tagContentt"+i); i++){
		j.style.display = "none";
	}
	document.getElementById(showContent).style.display = "block";
	
	
}
function selectTagww(showContent,selfObj){
	// 操作标签
	var tag = document.getElementById("tagsss").getElementsByTagName("li");
	var taglength = tag.length;
	for(i=0; i<taglength; i++){
		tag[i].className = "";
	}
	selfObj.parentNode.className = "selectTagww";
	// 操作内容
	for(i=0; j=document.getElementById("tagContenttt"+i); i++){
		j.style.display = "none";
	}
	document.getElementById(showContent).style.display = "block";
	
	
}
function show() 
{ 
now=new Date(); 
year=now.getYear(); 
month=now.getMonth()+1; 
date=now.getDate(); 
hours=now.getHours(); 
minutes=now.getMinutes(); 
seconds=now.getSeconds(); 
var week = now.getDay(); //获取星期值，返回的是0～6之间的任意一个整数，0代表星期天，6代表星期六
if (week == 0) {
weekname = "星期天"; //如果week返回的值是0，就显示为“星期天”
}
if (week == 1) {
weekname = "星期一"; //如果week返回的值是0，就显示为“星期一”
}
if (week == 2) {
weekname = "星期二"; //如果week返回的值是0，就显示为“星期二”
}
if (week == 3) {
weekname = "星期三"; //如果week返回的值是0，就显示为“星期三”
}
if (week == 4) {
weekname = "星期四"; //如果week返回的值是0，就显示为“星期四”
}
if (week == 5) {
weekname = "星期五"; //如果week返回的值是0，就显示为“星期五”
}
if (week == 6) {
weekname = "星期六"; //如果week返回的值是0，就显示为“星期六”
}
if(minutes<=9) 
minutes="0"+minutes 
if(seconds<=9) 
seconds="0"+seconds

document.getElementById("starttime").innerHTML="<div class='tpyb1'>"+year+"年"+month+"月"+date+"日<br>"+weekname+"</div><div class='tpyb2'>"+hours+"</div><div class='tpyb3'>"+minutes+"</div><div class='tpyb3'>"+seconds+"</div>";
setTimeout("show()",1000); 
}