<!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>无标题文档</title>
<script src="jquery-1.7.2.min.js" type="text/javascript" ></script>
<style type="text/css">
#div1 div{200px;height:200px;border:1px solid #ccc;display:none;}
#div1 .active{background:green}
</style>
<script>
/*window.onload=function()
{
var oDiv=document.getElementById('div1');
var aInput=oDiv.getElementsByTagName('input');
var aDiv=oDiv.getElementsByTagName('div');
var i;
for(i=0;i<aInput.length;i++)
{
aInput[i].index=i;
aInput[i].onclick=function()
{
for(i=0;i<aInput.length;i++)
{
aInput[i].className='';
aDiv[i].style.display='none';
}
this.className='active';
aDiv[this.index].style.display='block';
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}*/
$(function(){
$('#div1').find('input').click(function(){
$('#div1').find('input').attr('class','');
$('#div1').find('div').css('display','none');
$(this).attr('class','active');
$('#div1').find('div').eq($(this).index()).css('display','block');
})
});
</script>
</head>
<body>
<div id="div1">
<input type="button" value="1" class="active"/>
<input type="button" value="2" />
<input type="button" value="3" />
<div style="display:block">111</div>
<div>222</div>
<div>333</div>
</div>
</body>
</html>