<script>
opener=null; //在没有提示的状态下，关闭当前窗口
window.close();
window.open ("http://www.baidu.com", "newwindow", "height=600, width=750, toolbar=no, menubar=no, scrollbars=no, resizable=yes, location=no, status=yes,left=250,top=250")
</script>
opener=null; //在没有提示的状态下，关闭当前窗口
window.close();
window.open ("http://www.baidu.com", "newwindow", "height=600, width=750, toolbar=no, menubar=no, scrollbars=no, resizable=yes, location=no, status=yes,left=250,top=250")
</script>