ionDate = new Date();
                planExpirationDate.setDate(planExpirationDate.getDate() + 30 * durations.value);
                var monthNames = ["January", "February", "March", "April", "May", "June",
                "July", "August", "September", "October", "November", "December"
                ];
                document.getElementById("plan-expiration-date").innerHTML = planExpirationDate.getDate()+" "+monthNames[planExpirationDate.getMonth()]+" "+planExpirationDate.getFullYear();
            })