<!-- 实例004自动关闭的广告窗口-->
<!-- 3秒后关闭 -->
<body onload="window.setTimeout(‘window.close()‘,3000)">
<script>
window.open("index.html","new","height=100,width=300,top=200,left=500");
</script>
</body>
原文：http://www.cnblogs.com/handsomehan/p/5270285.html