关闭的问题：去掉iframe就好用，怎么办？

1<script language="JavaScript">   
2function window::onbeforeunload(){   
3if (event.clientY<0 && event.clientX>document.body.clientWidth-20   
4¦ ¦ event.clientY<0 && event.clientX<20   
5¦ ¦ event.altKey   
6¦ ¦ event.clientY>document.body.clientHeight)   
7event.returnValue="哦，亲爱的，你真的要离开我吗?"   
8}   
9</script>

1<body bgcolor="menu" leftmargin="0" scroll="no" scrolling="no" style="border:none" topmargin="0">
2<iframe frameborder="0" height="100%" name="body" scrolling="no" src="" width="100%"></iframe>
3</body>

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