//var myFocus={
// $:function(id){return document.getElementById(id);},
// $$:function(tag,obj){return (typeof obj=='object'?obj:this.$(obj)).getElementsByTagName(tag);},
// style:function(obj,style){return (+[1,])?window.getComputedStyle(obj,null)[style]:obj.currentStyle[style];},//getStyle简化版
// easeOut:function(t,b,c,d){return -c*((t=t/d-1)*t*t*t - 1) + b;},
// move:function(obj,prop,val,type,spd,fn){//运动函数，spd为运动需要的时间，时间越大速度越小
//  var t=0,b=parseInt(this.style(obj,prop)),c=val-b,d=spd||50,st=type,m=c>0?'ceil':'floor';
//  if(obj[prop+'Timer']) clearInterval(obj[prop+'Timer']);
//  obj[prop+'Timer']=setInterval(function(){
//   if(t<d){obj.style[prop]=Math[m](myFocus[st](++t,b,c,d))+'px';}
//   else {clearInterval(obj[prop+'Timer']);fn&&fn.call(obj);}
//  },10);return this;
// },
// addList:function(obj,cla,x){//生成HMTL,cla为列表的class,其中封装有:cla='txt'(生成alt文字),cla='num'(生成按钮数字),cla='thumb'(生成小图)
//  var s=[],n=x||this.$$('li',this.$$('ul',obj)[0]).length,num=cla.length;
//  for(var j=0;j<num;j++){
//   s.push('<ul class='+cla[j]+'>');
//   for(var i=0;i<n;i++){s.push('<li>'+(cla[j]=='num'?(i+1):(cla[j]=='txt'?this.$$('li',obj)[i].innerHTML.replace(/\<img.*?\>/i,this.$$('img',obj)[i].alt):(cla[j]=='thumb'?'<img src='+(this.$$('img',obj)[i].getAttribute("thumb")||this.$$('img',obj)[i].src)+' />':'')))+'<span></span></li>')};
//   s.push('</ul>');
//  }; obj.innerHTML+=s.join('');
// },
// setting:function(par){
//  if(window.attachEvent){window.attachEvent('onload',function(){myFocus[par.style](par)});}
//　　  else{window.addEventListener('load',function(){myFocus[par.style](par)},false);}
// },
// mF_liuzg:function(par){
//  var box=this.$(par.id),boxH=box.offsetHeight,t=par.time*1000;
//  this.addList(box,['txt-bg','txt','num']);
//  var pic=this.$$('li',this.$$('ul', box)[0]),n=pic.length;
//  var c=boxH%par.chip?8:par.chip,h=boxH/c,pics=[];
//  for(var i=0;i<c;i++){
//   pics.push('<li><p>')
//   for(var j=0;j<n;j++) pics.push(pic[j].innerHTML);
//   pics.push('</p></li>')
//  }
//  this.$$('ul', box)[0].innerHTML=pics.join('');
//  var ul=this.$$('ul',box),txt=this.$$('li',ul[2]),btn=this.$$('li',ul[3]),pic=this.$$('li',ul[0]);
//  for(var i=0;i<c;i++){//初始化样式设置
//   this.$$('p',pic[i])[0].style.top=-i*h+'px';
//   pic[i].style.height=h+'px';
//   this.$$('p',pic[i])[0].style.height=boxH*c+'px';
//  }
//  var index = 0;//开始显示的序号
//  box.removeChild(this.$$('div',box)[0]);
//  var run = function(idx) {
//   var tt=par.type==4?Math.round(1+(Math.random()*(3-1))):par.type;//效果选择
//   btn[index].className = '';
//   txt[index].style.display='none';
//            if(index==n-1) index=-1;
//   var N=idx!=undefined?idx:index+1;
//   var spd=tt==2?20:(tt==1?80:Math.round(20+(Math.random()*(80-20))));
//   for(var i=0;i<c;i++){
//    if(tt==3) spd=Math.round(20+(Math.random()*(80-20)));
//    myFocus.move(myFocus.$$('p',pic[i])[0],'top',-N*c*h-i*h,'easeOut',spd);
//    spd=tt==2?spd+10:(tt==1?spd-10:spd);
//   }
//   btn[N].className = 'current';
//   txt[N].style.display='block';
//            index = N;
//        }
//  run(index);
//  var auto=setInterval(function(){run()},t);
//  for (var j=0;j<n;j++){
//   btn[j].j=j;
//   btn[j].onclick=function(){if(!this.className) run(this.j)}
//  }
//  box.onmouseover=function(){clearInterval(auto);}
//     box.onmouseout=function(){auto=setInterval(function(){run()},t);}
//  for(var i=0,lk=this.$$('a',box),ln=lk.length;i<ln;i++) lk[i].onfocus=function(){this.blur();}//去除虚线框
// }
//};
//myFocus.setting({
// style:'mF_liuzg',//style为风格样式，
// id:'myFocus',//焦点图ID
// chip:7,//图片切片数量，能被焦点图的高整除才有效，默认为8片
// type:0,//切片效果，1为甩头，2为甩尾，3为凌乱，4为随机效果
// time:10//每帧图片时间间隔
//});//更多样式设置留意myFocus正式版

//另一个JS
function $(id) {return document.getElementById(id);}
function $$(tag,id){return (id==undefined?document:this.$(id)).getElementsByTagName(tag);}
function poptit(tsID,n){//文字上下运动函数
 var ts = $$('li',tsID);
 var setway=function(obj,y){obj.style.bottom=y+'px';}
 var getway=function(obj){return parseInt(obj.style.bottom);}
 var up=function(){
  if (ts[n].movement) clearTimeout(ts[n].movement);//为了兼容变化中的点击
  if (y1 == 0) return true;
  y1+=Math.ceil((0 - y1) / 5);
  setway(ts[n],y1);
  if(y1<0) ts[n].movement = setTimeout(up, 1);
 }
 var down=function(){
  if (ts[N].movement) clearTimeout(ts[N].movement);
  if (y2 == -32) return true;
  y2+=Math.floor((-32 - y2) / 5);
  setway(ts[N],y2);
  if(y2>-32) ts[N].movement = setTimeout(down, 1);
 }
 for(var i=0;i<ts.length;i++){
  if (!ts[i].style.bottom) ts[i].style.bottom = "-32px";
  if(ts[i].name=='up') var N=i;
 }
 if(!N&&n==0) {//开始载入...
  ts[n].name='up';
  var y1=getway(ts[n]);
  up();
  return true;
 } 
 if(N==n) return true;//防止快速移出移入的抖动
 ts[N].name=''//标记淡入的name为空
 ts[n].name='up';
 var y1=getway(ts[n]);
 var y2=getway(ts[N]);
 down();
 up();
}
function opa(pics,n){//图片淡入淡出函数
 var pics = $$('img',pics);
 var setfade=function(obj,o){
  if (document.all) obj.style.filter = "alpha(opacity=" + o + ")";
  else obj.style.opacity = (o / 100);
 };
 var getfade=function(obj){
  return (document.all)?((obj.filters.alpha.opacity)?obj.filters.alpha.opacity:false):((obj.style.opacity)?obj.style.opacity*100:false);
 }
 var show=function(){
  if(pics[n].move) clearTimeout(pics[n].move);
  if (o1 == 100) return true;
  o1+=5;
  setfade(pics[n],o1);
  if(o1<100) pics[n].move=setTimeout(show,1);
 };
 var hide=function(){
  if(pics[N].move) clearTimeout(pics[N].move);
  if (o2 == 0) return true;
  o2-=5;
  setfade(pics[N],o2);
  if(o2>0) pics[N].move=setTimeout(hide,1);
 };
 for(var i=0;i<pics.length;i++){
  if(!getfade(pics[i])) setfade(pics[i],0);
  if(pics[i].name=='out') var N=i;
 }
 if(!N&&n==0) {//开始载入...
  pics[n].name='out';
  var o1=getfade(pics[n]);
  show();
  return true;
 }
 if(N==n) return true;
 pics[N].name=''
 pics[n].name='out';
 var o1=getfade(pics[n]);
 var o2=getfade(pics[N]);
 hide();
 show();
}
function classNormal() {//数字标签样式清除
    var focusBtnList = $$('li','btn');
    for (var i = 0; i < focusBtnList.length; i++) {
        focusBtnList[i].className = '';
    }
}
function autoFocusChange() {//自动运行
    if (atuokey) return;
    var focusBtnList = $$('li','btn');
    for (var i = 0; i < focusBtnList.length; i++) {
        if (focusBtnList[i].className == 'current') {
            var currentNum = i;
        }
    }
 if(currentNum<focusBtnList.length-1){
  poptit('ts',currentNum+1);
  opa('pics',currentNum+1);
        classNormal();
        focusBtnList[currentNum+1].className = 'current';
 }else if(currentNum==focusBtnList.length-1){
  poptit('ts',0);
  opa('pics',0);
        classNormal();
        focusBtnList[0].className = 'current';
 }
}
function focusChange() {//交互切换
    var focusBtnList = $$('li','btn');
    for (var i = 0; i < focusBtnList.length; i++) {
  focusBtnList[i].I=i;
  focusBtnList[i].onclick = function(){
         poptit('ts',this.I);
   opa('pics',this.I);
         classNormal();
         focusBtnList[this.I].className = 'current';
  }
  focusBtnList[i].onmouseover = function(){
   this.style.backgroundColor='#f60';
   this.style.cursor='pointer';
  }
  focusBtnList[i].onmouseout = function(){
   this.style.backgroundColor='';
  }
 }
}
var atuokey = '';
function init(){//初始化
 $('btn_bg').innerHTML=$('btn').innerHTML;
 $('focus_change').removeChild($$('div','focus_change')[0]);
 poptit('ts',0);
 opa('pics',0);
    classNormal();
    $$('li','btn')[0].className = 'current';
 $('focus_change').onmouseover = function() {
        atuokey = true;
  clearInterval(auto);
    }
    $('focus_change').onmouseout = function() {
        atuokey = false;
  auto=setInterval('autoFocusChange()', T);
    }
}
var T=3000;//每帧图片停留的时间，1000=1秒
var auto='';
window.onload=function(){
 init();
 focusChange();
 auto=setInterval('autoFocusChange()', T);
}