网页不显浏览器翻头部 JS

<script type="text/javascript">

        var w = "1024";
        var h = "864";
        if (screen.availWidth) w = screen.availWidth;
        if (screen.availHeight) h = screen.availHeight;

     //在新窗口在打开Default3.aspx 并且不显示浏览器上面部份

        window.open("Default3.aspx", "_blank", "fullscreen=no,width=1024,height=864,status=yes,resizable=yes,toolbar=no,top=0,left=0,menubar=no,location=no");

   //关闭父窗体
        window.opener = null;
        window.open('', '_self');
        window.close();

    </script>