<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>選項卡</title>
<style type="text/css">
body, h2, p {
 margin:0px;
 padding:0px;
}
ul, li {
 margin:0px;
 padding:0px;
 float:left;
 list-style-type:none;
}
body {
 font-size:12px;
}
.box {
 width:722px;
 height:99px;
 margin:10px auto;
 border:1px solid #dedede;
}
.list {
 width:711px;
 height:22px;
 float:left;
 padding:4px 0 0 9px;
 border-top:1px solid #fff;
 border-left:1px solid #fff;
 border-right:1px solid #fff;
 background:url(images/tabbg.jpg) repeat-x;
}
.list li {
 width:74px;
 height:22px;
 float:left;
 cursor:pointer;
 color:#656565;
 line-height:22px;
 text-align:center;
}
.list li.hove {
 width:72px;
 height:20px;
 color:#fc6703;
 line-height:20px;
 border-top:1px solid #dedede;
 border-left:1px solid #dedede;
 border-right:1px solid #dedede;
 border-bottom:1px solid #fff;
 background:#fff;
}
.content {
 width:722px;
 height:72px;
 float:left;
 display:none;
}
</style>
<script type="text/javascript">
function $(id){
 return typeof id === "string" ? document.getElementById(id) : id;
}
function $$(oParent, elem){
 return (oParent || document).getElementsByTagName(elem);
}
function $$$(oParent, sClass){
 var aElem = $$(oParent, '*');
 var aClass = [];
 var i = 0;
 for(i=0;i<aElem.length;i++)if(aElem[i].className == sClass)aClass.push(aElem[i]);
 return aClass;
}
function addEvent(oElm, strEvent, fuc) {
 window.addEventListener ? oElm.addEventListener(strEvent, fuc, false) : oElm.attachEvent('on' + strEvent, fuc);
};
function Tab(){
 this.initialize.apply(this, arguments);
}
Object.extend = function(destination, source) {
 for (var property in source) {
 destination[property] = source[property];
 }
 return destination;
};
Tab.prototype = {
 initialize : function(obj, dis, content, onEnd, eq){
  this.obj = $(obj);
  this.oList = $$$(this.obj, 'list')[0];
  this.aCont = $$$(this.obj, content);
  this.oUl = $$(this.oList, 'ul')[0];
  this.aLi = this.oUl.children;
  this.timer = null;
  eq ? (this.aLi.length < eq ? eq = 0 : eq) : eq = 0;
  this.oEve(onEnd);
  this.onEnd.method == 'mouseover' ? this.method = "mouseover" : this.method = "click";
  this.onEnd.autoplay == 'stop' ? this.autoplay = "stop" : this.autoplay = "play";
  this.aCont[eq].style.display = 'block';
  this.aLi[eq].className = 'hove';
  this.display(dis);
  this.autoPlayTab(eq, dis);
 },
 oEve: function(onEnd){
 this.onEnd = {
  method: 'mouseover',
   autoplay: 'stop',
 };
 Object.extend(this.onEnd, onEnd || {});
 },
 display : function(dis){
  var _this = this;
  var i = iNow = 0;
  for(i=0;i<this.aLi.length;i++){
   (function(){
    var j = i;
    addEvent(_this.aLi[j], _this.method,
    function() {
     _this.fnClick(j,dis);
     _this.autoPlayTab(j, dis);
    })
    })()
  }
 },
 autoPlayTab : function(iNow, dis){
  if(this.autoplay == 'play'){
   var _this = this;
   this.iNow = iNow;
   this.obj.onmouseover = function(){
    clearInterval(_this.timer);
   };
   this.obj.onmouseout = function(){
    clearInterval(_this.timer);
    _this.timer = setInterval(playTab,5000);
   };
   clearInterval(_this.timer);
   _this.timer = setInterval(playTab,5000);
   function playTab(){
    if(_this.iNow == _this.aLi.length)_this.iNow = 0;
    _this.fnClick(_this.iNow, dis)
    _this.iNow++
   }
  }
 },
 fnClick : function(oBtn, dis){
  var i = 0;
  for(i=0;i<this.aLi.length;i++)this.aLi[i].className = '',this.aCont[i].style.display = 'none';
  this.aLi[oBtn].className = dis;
  this.aCont[oBtn].style.display = 'block';
 }
};
window.onload = function(){
 new Tab("box", 'hove', 'content', {
 method : 'mouseover',
  autoplay : 'play'
 },0);
 new Tab("box1", 'hove', 'content', {
 method : 'click',
 },0);
};
</script>
</head>
<body>
<div id="box" class="box">
 <div class="list">
  <ul>
  <li>團購導航</li>
  <li>商城導航</li>
  <li>淘寶導航</li>
 </ul>
 </div>
 <div class="content">111</div>
 <div class="content">222</div>
 <div class="content">333</div>
</div>
<div id="box1" class="box">
 <div class="list">
  <ul>
  <li>團購導航</li>
  <li>商城導航</li>
  <li>淘寶導航</li>
 </ul>
 </div>
 <div class="content">111</div>
 <div class="content">222</div>
 <div class="content">333</div>
</div>
</body>
</html>

希望本文所述對大家的JavaScript程序設計有所幫助。

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