//made by dingyucong v1.0
function imagefocus(num){
	indexnum(num);
	var childs=document.getElementById("imagebox").childNodes;
	var j=0;
	var current=0;
	for(i=0;i<childs.length;i++){
		if(childs[i].nodeType==1){
			childs[i].style.display="none";			
			j++;
			if(j==num){current=i;}
		}	
	}
	childs[current].style.display="";
}//显示当前轮换的内容

function indexnum(num){
	var indexnum=document.getElementById("indexnum");
	var lis=indexnum.getElementsByTagName("li");
	for(i=0;i<lis.length;i++){
		lis[i].className="";
	}	
	lis[num-1].className="indexhover";
}	//改变索引的数的样式

function autofocus() {
	var indexnum=document.getElementById("indexnum");
	var lis=indexnum.getElementsByTagName("li");
	var currentimg="";
	for(i=0;i<lis.length;i++){
		if(lis[i].className=="indexhover"){
			currentimg=i+1;
			if(currentimg>=lis.length){currentimg=1;}else {currentimg=currentimg+1;}
		}
	}	
	if(currentimg!==""){imagefocus(currentimg);}else {imagefocus(1);}
}//自动切换内容

var autoimg=window.setInterval("autofocus()",5000);
function autofocusstart(){
	autoimg=window.setInterval("autofocus()",5000);
}
function autofocusstop(){
	clearInterval(autoimg);
}//自动切换函数停止// JavaScript Document