function validateForm()
    {
        //*snipped firstname, surname, email validation*
        var dob = document.getElementById("dateofbirth").value;
       // *snipped dob validation*
        var area = document.getElementById("areaofinterest").value;
        if (area == "")
        {
            alert("Please select an Area of Interest!");
            return false;
        }

        var now = new Date();
        var birthdate = dob.split("/");
        var born = new Date(birthdate[2], birthdate[0]-1, birthdate[1]);
        age=get_age(born,now);
        if (area == "adults" && age<18)
        {
            alert("You need to be 18 years of age and older for the Adults books!");
            return false;
        }

    }

    function get_age(born, now) {
      var birthday = new Date(now.getFullYear(), born.getMonth(), born.getDate());
      if (now >= birthday)
        return now.getFullYear() - born.getFullYear();
      else
        return now.getFullYear() - born.getFullYear() - 1;
    }