var demoPostUrl = 'https://publishers.adgoals.net/login/login';
        function postDemoLogin(demoPostUrl) {
            var sampleData = {
                    username:"demo@demo.com",
                    password:"demo",
                    mode: "ajax"
                }
            jQuery.ajax({
                    url : demoPostUrl,
                    type: "POST",
                    data : sampleData,
                    xhrFields: {
                        withCredentials: true
                    },
                    success: function(data, textStatus, jqXHR)
                    {
                        if (typeof data === 'object') {
                            if(data.error) {
                                alert("Something went wrong. Please try again later.");
                            } else {
                                location.href = data.url;
                            }
                        } else {
                            alert("Browser not supported.");
                            console.log(data);
                        }
                    },
                    error: function (jqXHR, textStatus, errorThrown)
                    {
                        alert("Something went wrong. Please try again later.");
                    }
            });
        }