通过计时器实现图片轮播
<html>
<head>
<meta charset="utf-8" />
<title></title>
<style type="text/css">
#container{width: 524px; height: 190px;margin: 10px auto;border: 3px solid palegreen;}
</style>
<script type="text/javascript">
var index=1;
=function(){
setInterval("showimage()",1000);
}
function showimage(){
var img=("img")[0];
index++;
if(index>4){
index=1;
}
="image/ad-0"+index+".jpg";
}
</script>
</head>
<body>
<div id="container">
<img src="image/" />
</div>
</body>
</html>