<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
* {
margin: 0;
padding: 0;
list-style: none;
}
#box {
width: 590px;
height: 340px;
border: #000 1px solid;
position: relative;
margin: 50px auto;
overflow: hidden;
}
#box li {
position: absolute;
width: 590px;
height: 340px;
}
</style>
<script src="move.js"></script>
<script>
window.onload = function () {
var oBox = document.getElementById(‘box‘);
var aLi = oBox.children;
var w = 40;
for (var i = 1; i < aLi.length; i++) {
aLi[i].style.left = oBox.offsetWidth - w * (aLi.length - i) + ‘px‘;
}
for (var i = 0; i < aLi.length; i++) {
aLi[i].index = i;
aLi[i].onmouseover = function () {
for (var i = 0; i < aLi.length; i++) {
if (i <= this.index) {
move(aLi[i], {left: w * i});
} else {
move(aLi[i], {left: oBox.offsetWidth - w * (aLi.length - i)});
}
}
}
}
}
</script>
</head>
<body>
<ul id="box">
<li style="background: pink"></li>
<li style="background: green"></li>
<li style="background: yellow"></li>
<li style="background: red"></li>
<li style="background: blue"></li>
</ul>
</body>
</html>
原文：http://www.cnblogs.com/guolimin/p/6142787.html