浏览器最小化时右下角 消息提醒，点击消息最大化浏览器

//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 == "1") {
                       notifyTeacher();
                   }
               })
        }

        window.setInterval("isHasMsg()", 10000);

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

        })
    </script>