兼容性好的tab 转自 http://www.codefans.net/jscss/code/120.shtml
<!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=gb2312" />
<title>兼容性好的TAB选项卡(IE,FF,Opera,Safari,Chrome)</title>
<style type="text/css">
#tab_container1{width:600px;text-align:left;}
.cls_tab_nav{height:26px;overflow:hidden;font-size:12px;text-align:left;background:url(http://www.codefans.net/jscss/demoimg/tabs/line_bg.jpg) repeat-x bottom;}
.cls_tab_nav ul{font-size:9pt;margin:0;padding:0;}
.cls_tab_nav_li{background:url(http://www.codefans.net/jscss/demoimg/tabs/tab_bg.jpg) no-repeat -157px 0;width:157px;height:26px;line-height:26px;float:left;display:inline;overflow:hidden;text-align:center;cursor:pointer;}
.cls_tab_nav_li_first{background-position:0px 0px;}
.cls_tab_nav_li a{text-decoration:none;color:#555;font-size:12px;}
.cls_tab_body{border:1px solid #FFAE1E;border-top:none;min-height:260px;padding:20px;}
.cls_div{display:none;font-size:14px;}
</style>
</head>
<body>
<div id="tab_container1">
<div class="cls_tab_nav">
<ul>
<li class="cls_tab_nav_li cls_tab_nav_li_first"><a href="#">最新更新</a></li>
<li class="cls_tab_nav_li"><a href="#">ASP类更新</a></li>
<li class="cls_tab_nav_li"><a href="#">C#类更新</a></li>
</ul>
</div>
<div class="cls_tab_body">
<div class="cls_div" style="display:block;">
这里是最新更新的显示内容
</div>
<div class="cls_div">ASP的内容</div>
<div class="cls_div">C#的内容/</div>
</div>
</div>
<script type="text/javascript">
try{
document.execCommand("BackgroundImageCache", false, true);
}catch(e){}
function $(element){
if(arguments.length>1){
for(var i=0,elements=[],length=arguments.length;i<length;i++)
elements.push($(arguments[i]));
return elements;
}
if(typeof element=="string")
return document.getElementById(element);
else
return element;
}
var Class={
create:function(){
return function(){
this.initialize.apply(this,arguments);
}
}
}
Object.extend=function(destination,source){
for(var property in source){
destination[property]=source[property];
}
return destination;
}
var tabMenu=Class.create();
tabMenu.prototype={
initialize:function(container,selfOpt,otherOpt){
this.container=$(container);
var selfOptions=Object.extend({fontWeight:"bold",fontSize:"12px",color:"#FFBC44"},selfOpt||{});
var otherOptions=Object.extend({fontWeight:"normal",fontSize:"12px",color:"#666"},otherOpt||{});
//用for循环得到objs数组,主要是为了兼容非IE浏览器把空白也当作子对象
for(var i=0,length=this.container.childNodes.length,objs=[];i<length;i++){
if(this.container.childNodes[i].nodeType==1)
objs.push(this.container.childNodes[i]);
}
var tabArray=objs[0].getElementsByTagName("li");
//用for循环得到divArray数组,主要是为了兼容非IE浏览器把空白也当作子对象
var divArray=new Array();
for(i=0,length=objs[1].childNodes.length;i<length;i++){
if(objs[1].childNodes[i].nodeType==1)
divArray.push(objs[1].childNodes[i]);
}
for(i=0,length=tabArray.length;i<length;i++){