 var diag = new Dialog();
                diag.Title = "发送邮件";
                diag.Width = 800;
                diag.Height = 800;
                diag.URL = "goSendEmail.do?toEmails="+str;
                diag.show();
            }
        }

        function doSearch() {
            var keyword = $("#keywork").val();
            var startDate = $("#startDate").val();
            var endDate = $("#endDate").val();
            alert('test');
            window.location.href="user/searchU.do?pageInd