var bShowThankYou 	= false;
var E_INVALID_EMAIL = '';
var E_INVALID_CODE  = 'Le code de sécurité que vous avez saisi est erroné.';
var E_MIN6CATS			= '';
var E_MIN100CHARS		= 'Votre texte doit comporter au moins 100 caractères.';
var E_TRAVELPERIOD	= '';
var E_TRAVELCOMPANY	= '';
var E_NAME					= '';
var E_EMAIL					= '';
var E_GENERAL_ERROR = 'Erreur à l\'envoi du formulaire';


function fnHideReviewDiv()
{
	try {
		document.getElementById('reviews').style.display = 'none';
	}	catch(e) { }
}

function fnShowReviewList()
{
	fnHideReviewItems();
	fnShowReviewResult();

	try {
		document.getElementById('review_list').style.display = 'block';
	}	catch(e) { }
	
	initPage();
}

function fnHideReviewList()
{
	try {
		document.getElementById('review_list').style.display = 'none';
	}	catch(e) { }
}

function fnShowThankYou()
{
	fnHideReviewItems();

	try {
		document.getElementById('review_thankyou').style.display = 'block';
	}	catch(e) { }
	
	initPage();
}

function fnHideThankYou()
{
	try {
		document.getElementById('review_thankyou').style.display = 'none';
	}	catch(e) { }
}

function fnShowAddReview()
{
	fnHideReviewItems();

	try {
		document.getElementById('review_add').style.display = 'block';
	}	catch(e) { }
	
	initPage();
}

function fnHideAddReview()
{
	try {
		document.getElementById('review_add').style.display = 'none';
	}	catch(e) { }
}

function fnShowReviewResult()
{
	try {
		document.getElementById('review_result').style.display = 'block';
	}	catch(e) { }
}

function fnHideReviewResult()
{
	try {
		document.getElementById('review_result').style.display = 'none';
	}	catch(e) { }
}

function fnHideReviewItems()
{
	fnHideReviewResult();
	fnHideReviewList();
	fnHideAddReview();
	fnHideThankYou();
	
	initPage();
}
function fnCheckForm()
{
	var iMinOpinion 		= 6;
	var iMinMessageSize = 100;
	
	var iOpinionCount = 0;
	var oForm = $('add_review');
	
	oForm.getElements('input.review_category').each( 
	function(el)
  { 
  	if (el.value != 0 && el.checked == true)
			iOpinionCount++;
  });

	if (iOpinionCount < iMinOpinion)
	{
		alert(E_MIN6CATS);
		return false;
	}
	
	if ($('message').value.length < iMinMessageSize)
	{
		alert(E_MIN100CHARS);
		$('message').focus();
		return false;
	}

	if ($('period').value == -1)
	{
		alert(E_TRAVELPERIOD);
		$('period').focus();
		return false;
	}

	if ($('family').value == -1)
	{
		alert(E_TRAVELCOMPANY);
		$('family').focus();
		return false;
	}

	if ($('name').value == '')
	{
		alert(E_NAME);
		$('name').focus();
		return false;
	}

	if ($('email').value == '')
	{
		alert(E_EMAIL);
		$('email').focus();
		return false;
	}

	return true;
}

function fnInvalidEmail()
{
	alert(E_INVALID_EMAIL);
}

function fnInvalidCode()
{
	alert(E_INVALID_CODE);
}

function fnGeneralError()
{
	alert(E_GENERAL_ERROR);
}

function countMessage()
{
	var iMax = 1000;
	var iRemaining = 0;
	
	var oTextarea = $('message');
	var oTextRemain = $('message_remain');
	var sCurrText = oTextarea.value;
	
	if (sCurrText.length > 1000)
	{
		oTextarea.value = sCurrText.substr(0, 1000);
		iRemaining = 0;
	}
	else
		iRemaining = iMax - sCurrText.length;

	oTextRemain.innerHTML = iRemaining;
}