//框架页面
  function isMinStatus() {            var isMin = false;            if (window.outerWidth != undefined) {                isMin = window.outerWidth <= 160 && window.outerHeight <= 27;            }            else {                isMin = window.screenTop < -30000 && window.screenLeft < -30000;            }            return isMin;        }        function notifyTeacher() {            if (isMinStatus()) {                var vArguments = window;                var sFeatures = "dialogLeft:1024px;dialogTop:768px;dialogHeight:200px;dialogWidth:100px;status:no";                window.showModalDialog("/admin/openWindows/msg_show.aspx", vArguments, sFeatures);  //弹窗页面            } else {                            }        }        function isHasMsg() {            $.post(‘/admin/ashx/isHasMsg.ashx‘, { r: Math.random() },               function (data) {                   if (data =http://www.mamicode.com/="1") {                       notifyTeacher();                   }               })        }        window.setInterval("isHasMsg()", 10000);

<script  type="text/javascript">        $(document).ready(function () {                     window.focus();        })    </script>