<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
<style>
#div1 .active {background:yellow;}
#div1 div {width:200px; height:200px; background:#CCC; border:1px solid #999; display:none;}
</style>
<script>
window.onload=function ()
{
var oDiv=document.getElementById('div1'); //获取id为div1的元素
var aBtn=oDiv.getElementsByTagName('input');
var aDiv=oDiv.getElementsByTagName('div');
for(var i=0;i<aBtn.length;i++)
{
aBtn[i].index=i; //input元素的索引值设为i
aBtn[i].onclick=function ()
{
for(var i=0;i<aBtn.length;i++) //将所有input的样式清空
{
aBtn[i].className='';
aDiv[i].style.display='none';
}
this.className='active'; //将选择的元素添加class
//alert(this.index);
aDiv[this.index].style.display='block'; //将选择项相应的div元素显示出来
};
}
};
</script>
</head>
<body>
<div id="div1">
<input class="active" type="button" value="教育" />
<input type="button" value="培训" />
<input type="button" value="招生" />
<input type="button" value="出国" />
<div style="display:block;">1111</div>
<div>2222</div>
<div>333</div>
<div>4444</div>
</div>
</body>
</html>
