<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>无标题文档</title>
<script language="javascript">
var x=10;
var y=-10;
function fly()
{
pic.style.top=document.body.scrollTop+parseInt(document.body.clientHeight)-90;
window.setTimeout("fly()",1000);
}
</script>
</head>
<body onLoad="fly()">
<div id="pic" style="position:relative;top:30px;left:500px;width:40px;height:16px;">
<img src="3243545.jpg">
</div>
</body>
</html>
为什么运行后,图片看不到了.请教一下,