<script type="text/javascript">
$(document).ready(function () {
  $('.submit').click(form_registration);

  function form_registration() {
    var user_name = $('#FirstNameField').val();
    var user_last = $('#LastNameField').val();
    var user_phone = $('#PhoneField').val();
    var user_email = $('#EmailField').val();

    var input_data = $('#contactUsForm').serialize();

    $.ajax({
      type: 'post',
      data: {
        user_name: user_name,
        user_last: user_last,
        user_phone: user_phone,
        user_email: user_email
      },
      dataType: 'json',
      success: function (msg) {
        alert('ERROR!');
        return false;
      },
      error: function () {
        alert('Thank You!');
        window.location = 'http://api.rentalapp.zillow.com/aa481d4123d6cb9485371a0b97d4b480/leads.add.json?name=%20[' + user_name + ']%20[' + user_last + ']%20&email=[' + user_email + ']&phone=[' + user_phone + ']';
      }
    });
    return false;
  }
});
</script>