<!doctype html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<style>
* { padding: 0; margin: 0; }
body { background: #42509a; height:3000px;}
ul { width: 800px; height: 500px; border: 1px solid #333; background: #05090e; overflow: hidden; position: fixed;
left:50%; margin-left: -400px; top:50%; margin-top: -250px;}
li { position: absolute; list-style: none; }
#pic1 { top: 210px; left: 550px; }
#pic2 { top: 290px; left: 430px; }
#pic3 { top: 215px; left: 220px; }
#pic4 { top: 150px; left: 100px; }
#pic6 { top: 290px; left: 80px; }
#pic7 { top: 120px; left: 480px; }
#pic8 { top: 60px; left: 380px; }
#pic5 { top: -40px; left: -50px; width: 1422px; height: 1000px; background: url(../images/bg.jpg) no-repeat; }
p{text-align:center; padding:10px 0; color:#FFF;}
p a{color:#FFF; text-decoration:none;}
p a:hover{text-decoration:underline;}
</style>
<script>
window.onload=window.onscroll=function(){
var oUl=document.getElementById('ul_container');
var aLi=oUl.children;
var scrollTop=document.documentElement.scrollTop || document.body.scrollTop;
for(var i=0; i<aLi.length; i++){
aLi[i].style.marginTop=-scrollTop*aLi[i].style.zIndex/20+'px';
}
};
</script>
</head>
<body>
<ul id="ul_container">
<li id="pic1" style="z-index: 3;"><img src="images/1.jpg" /></li>
<li id="pic2" style="z-index: 4;"><img src="images/2.jpg" /></li>
<li id="pic3" style="z-index: 5;"><img src="images/3.jpg" /></li>
<li id="pic4" style="z-index: 4;"><img src="images/4.jpg" /></li>
<li id="pic6" style="z-index: 3;"><img src="images/5.jpg" /></li>
<li id="pic7" style="z-index: 2;"><img src="images/6.jpg" /></li>
<li id="pic8" style="z-index: 5;"><img src="images/7.jpg" /></li>
<li id="pic5" style="z-index: 1;"></li>
</ul>
</body>
</html>
