how to call remote server url in jquery while calling webservice?

function saveData() {

            var txtName = $("#txtName").val();
            var txtEmailId = $("#txtEmailId").val();
            var txtPwd = $("#txtPwd").val();
            var txtPhoneNo = $("#txtPhoneNo").val();
            $.ajax({
                type: "POST",
                url: "http://microsoft.com/webserviceswithdatabase/saveData",
                data: "{Name:'" + txtName + "',Password:'" + txtPwd + "',EmailID:'" + txtEmailId + "',PhoneNo:'" + txtPhoneNo + "'}",
                contentType: "application/json; charset=utf-8",
                datatype: "jsondata",
                async: "true",
                success: function (response) {
                   // $(".errMsg ul").remove();
                    var myObject = eval('(' + response.d + ')');
                    if (myObject > 0) {
                        // bindData();
                        alert(" saved successfully");

                    }
                    else {
                          alert("Opppps something went wrong.");
                    }
                   // $(".errMsg").show("slow");
                    clear();
                },
                error: function (response) {
                    alert(response.status + ' ' + response.statusText);
                }
            });

        }