function saveUserInfo() {
        var userName = document.getElementById('username').value;
        var password = document.getElementById('password').value;
        var firstName = document.getElementById('firstname').value;
        var lastName = document.getElementById('lastname').value;
        var email = document.getElementById('email').value;
        var dob = document.getElementById('datepicker').value;
        var vars = "username="+userName+"&password="+password+"&firstname="+firstName+"&lastname="+lastName+"&email="+email+"&datepicker="+dob;

        var ajax = new XMLHttpRequest();
        var url = 'register.jsp';
        ajax.onreadystatechange = function() {
            if(this.readyState == 4 && this.status == 200) {
                output1.innerHTML = (ajax.responseText);
            }
        }
        ajax.open("POST",url,true);
        ajax.setRequestHeader("Content-type","application/x-www-form-urlencoded");
        ajax.send(vars);
    }