<!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" xml:lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
<title>网页换肤</title>
<style type="text/css">
*{
margin: 0;
padding: 0;
}
body{
background: url(img/bg1.jpg) no-repeat top left;
}
ul{
list-style: none;
}
ul li{
80px;
height: 50px;
margin: 10px;
border: 1px solid #222;
float: left;
}
ul li img{
80px;
height: 50px;
cursor: pointer;
}
</style>
<script type="text/javascript">
window.onload = function(){
var imgs = document.getElementsByTagName("img");
for (var i = 0; i < imgs.length; i++) {
imgs[i].onclick = function(){
document.body.style.background = "url(" + this.src + ")";
}
};
}
</script>
</head>
<body>
<ul>
<li><img src="img/bg1.jpg"></li>
<li><img src="img/bg2.jpg"></li>
<li><img src="img/bg3.jpg"></li>
</ul>
</body>
</html>
