javascript无提示关闭窗口

<script language="javascript" type="text/javascript">

function openWindow()

{

var page2;

page2=window.open("page2.htm","", "status=yes,toolbar=no,menubar=no,location=no;width=1024px;height=768px;");

document.all.WebBrowser.ExecWB(45,1)

page2.focus();

}

</script>

<input type="button" value="open" onclick="openWindow()" />

<object id="WebBrowser" width=0 height=0 classid="CLSID:8856F961-340A-11D0-A96B-00C04FD705A2">

</object>