分页
.index_a{
width:600px;
height:200px;
margin:10px;;
background-color:#C33;
position:fixed;
}
.index_a{
width:600px;
height:900px;
margin:10px;
background-color:#CFF;
position:fixed;
z-index:2;
}
</style>
</head>
<body>
<div class="index_a">
<marquee direction="right">
<img src="img/a4.jpg" width="600px" height="200px"/>
</marquee>
</div>
<div class="index_b">
<img src="img/c2.jpg" width="600px" height="900px"/>
</div>
</body>
