特效描述：js焦點圖 滑動切換 切換滾動，js焦點圖片滾動切換插件，制作標題文字和序列按鈕對應焦點圖片切換滾動，可自定義多種焦點圖片滾動切換。js代碼。
代碼結構
1. HTML代碼
<style type="text/css">
*{margin:0;padding:0;list-style-type:none;}
a,img{border:0;}
body{font:12px/180% "宋體",Arial, Helvetica, sans-serif;}
/*圖片輪換*/
#slideBox{width:475px;height:300px;overflow:hidden;position:relative;margin:20px auto;}
#slideBox ul#show_pic{margin:0;padding:0;list-style:none;height:300px;width:4750px;position:absolute;}
#slideBox ul#show_pic li{float:left;margin:0;padding:0;height:285px;}
#slideBox ul#show_pic li img{display:block;}
#iconBall{position:absolute;bottom:0;right:0;}
#iconBall li{float:left;color:#7a7a7a;width:32px;height:28px;line-height:28px;cursor:pointer;text-align:center;font-size:14px;font-weight:bold;padding-top:4px;}
#iconBall li.active{background:url(images/iconbg.png) no-repeat;color:#fff;}
#slideText {width:475px;height:28px;background:rgba(0,0,0,0.7);color:#fff;position:absolute;left:0px;bottom:0px;*background:transparent;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr=#b2000000,endColorstr=#b2000000);}
#textBall{position:absolute;left:10px;bottom:3px;}
#textBall li{float:left;cursor:pointer;display:none;color:#fff;font-size:14px;}
#textBall li.active{display:block;}
#textBall li a {text-decoration:none;color:#fff;}
</style>
<div id="slideBox">
<ul id="show_pic" style="left:0px">
<li><a href="http://www.dijiuzhanzhang.com/" target="_blank"><img alt="玩家用了都說好" title="" height="300" width="475" src="images/dk.jpg" /></a></li>
<li><a href="http://www.dijiuzhanzhang.com/" target="_blank"><img alt="20000份百萬莊園咖啡免費領" title="" height="300" width="475" src="images/ldhkf.jpg" /></a></li>
<li><a href="http://www.dijiuzhanzhang.com/" target="_blank"><img alt="【網易彩票】93折搶彩票紅包" title="" height="300" width="475" src="images/hbdz.jpg" /></a></li>
<li><a href="http://www.dijiuzhanzhang.com/" target="_blank"><img alt="【網易保險】變身車主VIP有好禮" title="" height="300" width="475" src="images/baoxianvip.jpg" /></a></li>
<li><a href="http://www.dijiuzhanzhang.com/" target="_blank"><img alt="【網易團長】 讓團購變得更劃算" title="" height="300" width="475" src="images/slide4.jpg" /></a></li>
<li><a href="http://www.dijiuzhanzhang.com/" target="_blank"><img alt="【魔術杯】包大人心心念念的神器" title="" height="300" width="475" src="images/bdrhm.jpg" /></a></li>
</ul>
<div id="slideText"></div>
<ul id="iconBall">
<li class="active">1</li>
<li>2</li>
<li>3</li>
<li>4</li>
<li>5</li>
<li>6</li>
</ul>
<ul id="textBall">
<li class="active"><a href="javascript:void(0)">【網易商城】玩家用了都說好</a></li>
<li><a href="javascript:void(0)">【網易樂得惠】20000份百萬莊園咖啡免費領</a></li>
<li><a href="javascript:void(0)">【網易彩票】93折搶彩票紅包</a></li>
<li><a href="javascript:void(0)">【網易保險】變身車主VIP有好禮</a></li>
<li><a href="javascript:void(0)">【網易團長】讓團購變得更劃算</a></li>
<li><a href="javascript:void(0)">【魔術杯】包大人心心念念的神器</a></li>
</ul>
</div><!--slideBox end-->
<script type="text/javascript">
var glide =new function(){
function $id(id){return document.getElementById(id);};
this.layerGlide=function(auto,oEventCont,oTxtCont,oSlider,sSingleSize,second,fSpeed,point){
var oSubLi = $id(oEventCont).getElementsByTagName('li');
var oTxtLi = $id(oTxtCont).getElementsByTagName('li');
var interval,timeout,oslideRange;
var time=1;
var speed = fSpeed
var sum = oSubLi.length;
var a=0;
var delay=second * 1000;
var setValLeft=function(s){
return function(){
oslideRange = Math.abs(parseInt($id(oSlider).style[point]));
$id(oSlider).style[point] =-Math.floor(oslideRange+(parseInt(s*sSingleSize) - oslideRange)*speed) +'px';
if(oslideRange==[(sSingleSize * s)]){
clearInterval(interval);
a=s;
}
}
};
var setValRight=function(s){
return function(){
oslideRange = Math.abs(parseInt($id(oSlider).style[point]));
$id(oSlider).style[point] =-Math.ceil(oslideRange+(parseInt(s*sSingleSize) - oslideRange)*speed) +'px';
if(oslideRange==[(sSingleSize * s)]){
clearInterval(interval);
a=s;
}
}
}
function autoGlide(){
for(var c=0;c<sum;c++){oSubLi[c].className='';oTxtLi[c].className='';};
clearTimeout(interval);
if(a==(parseInt(sum)-1)){
for(var c=0;c<sum;c++){oSubLi[c].className='';oTxtLi[c].className='';};
a=0;
oSubLi[a].className="active";
oTxtLi[a].className = "active";
interval = setInterval(setValLeft(a),time);
timeout = setTimeout(autoGlide,delay);
}else{
a++;
oSubLi[a].className="active";
oTxtLi[a].className = "active";
interval = setInterval(setValRight(a),time);
timeout = setTimeout(autoGlide,delay);
}
}
if(auto){timeout = setTimeout(autoGlide,delay);};
for(var i=0;i<sum;i++){
oSubLi[i].onmouseover = (function(i){
return function(){
for(var c=0;c<sum;c++){oSubLi[c].className='';oTxtLi[c].className='';};
clearTimeout(timeout);
clearInterval(interval);
oSubLi[i].className = "active";
oTxtLi[i].className = "active";
if(Math.abs(parseInt($id(oSlider).style[point]))>[(sSingleSize * i)]){
interval = setInterval(setValLeft(i),time);
this.onmouseout=function(){if(auto){timeout = setTimeout(autoGlide,delay);};};
}else if(Math.abs(parseInt($id(oSlider).style[point]))<[(sSingleSize * i)]){
interval = setInterval(setValRight(i),time);
this.onmouseout=function(){if(auto){timeout = setTimeout(autoGlide,delay);};};
}
}
})(i)
}
}
}
//調用語句
glide.layerGlide(
true, //設置是否自動滾動
'iconBall', //對應索引按鈕
'textBall', //標題內容文本
'show_pic', //焦點圖片容器
475, //設置滾動圖片位移像素
2, //設置滾動時間2秒
0.1, //設置過渡滾動速度
'left' //設置滾動方向“向左”
);
</script>
