function sendContactInfo() {
  hideObj('contactFormFields');
  showObj('contactSpinner');

  doRequest(
            '/ajax/doContact.json',
            'sendContactInfoReturn',
            'name=' + escape(document.contact_form.name.value) +
            '&email=' + escape(document.contact_form.email.value) +
            '&comments=' + escape(document.contact_form.comments.value)
           );
}

function sendContactInfoReturn(obj) {
  hideObj('contactSpinner');
  if(obj['error'] >= 1) {
    showObj('contactFormFields');
    document.getElementById('errorMessage').innerHTML = obj['errorTxt'];
    showObj('errorMessage');
  }
  else {
    showObj('contactSuccess');
  }
}