function sendToAFriend() {
    var txtYourEmail = $get('txtYourEmail').value;
    var txtFriendName = $get('txtFriendName').value;
    var txtFriendEmail = $get('txtFriendEmail').value;
    var txtMessage = $get('txtMessage').value;
    
    var url = document.location.href;

    if (txtYourEmail != '' && txtFriendName != '' && txtFriendEmail != '') {
        AjaxService.SendQuestion(txtYourEmail, txtFriendName, txtFriendEmail, txtMessage, url, successSendToAFriend, failureSendToAFriend);
    }
}

function successSendToAFriend(result) {
    if (result != null && result == true) {
        $get('txtYourEmail').value = '';
        $get('txtFriendName').value = '';
        $get('txtFriendEmail').value = '';
        $get('SendToFriendForm').style.display = 'none';
        $get('txtThank').style.display = '';
    }
}

function resetSendToAFriend() {
    $get('SendToFriendForm').style.display = '';
    $get('txtThank').style.display = 'none';
}

function failureSendToAFriend() {
    alert('Failed to send your message. Please try again.');
}