js函数 onbeforeUnload
<script type="text/javascript">
function logOff(){
document.location.href = '../admin/adminLogoutServlet';
}
</script>
</head>
</head>
<frameset framespacing="0" border="0" frameborder="0" rows="80,*" onbeforeUnload="logOff()">
<frame name="banner" scrolling="no" noresize target="menu" src="Top.jsp" marginwidth="0" marginheight="0">
<frameset name="content" cols="192,*">
<frame name="menu" target="main" src="Left.jsp" noResize marginwidth="0" marginheight="0" scrolling="yes">
<frame name="body" src="aa.html" noResize marginwidth="0" marginheight="0" scrolling="auto">
</frameset>
</frameset>
<noframes>
<body>
你使用的浏览器不支持框架。
</body>
</noframes>
</html>