function	autoUrl(name, dest)
{
	var loc;
	var id_list;

	id_list = document.getElementById(name);
	loc = id_list.options[id_list.selectedIndex].value;
	if (loc != 0)
		location.href = dest+loc;
	return ;
}

function	autoUrlNoList(name, dest)
{
	var loc;

	loc = document.getElementById(name).checked;
	location.href = dest + (loc == true ? 1 : 0);
	return ;
}

/*
** show or hide element e depending on condition show
*/
function toggle(e, show)
{
	e.style.display = show ? '' : 'none';
}

function toggleMultiple(tab)
{
    var len = tab.length;

    for (var i = 0; i < len; i++)
        if (tab[i].style)
            toggle(tab[i], tab[i].style.display == 'none');
}

/**
* Show dynamicaly an element by changing the sytle "display" property
* depending on the option selected in a select.
*
* @param string $select_id id of the select who controls the display
* @param string $elem_id prefix id of the elements controlled by the select
*   the real id must be : 'elem_id'+nb with nb the corresponding number in the
*   select (starting with 0).
*/
function showElemFromSelect(select_id, elem_id)
{
	var select = document.getElementById(select_id);
	for (var i = 0; i < select.length; ++i)
	{
	    var elem = document.getElementById(elem_id + select.options[i].value);
		if (elem != null)
			toggle(elem, i == select.selectedIndex);
	}
}

/**
* Get all div with specified name and for each one (by id), toggle their visibility
*/
function openCloseAllDiv(name, option)
{
	var tab = $('*[name='+name+']');
	for (var i = 0; i < tab.length; ++i)
		toggle(tab[i], option);
}

/**
* Toggle the value of the element id_button between text1 and text2
*/
function toggleElemValue(id_button, text1, text2)
{
	var obj = document.getElementById(id_button);
	if (obj)
		obj.value = ((!obj.value || obj.value == text2) ? text1 : text2);
}

function addBookmark(url, title)
{
	if (window.sidebar)
		return window.sidebar.addPanel(title, url, "");
	else if ( window.external )
		return window.external.AddFavorite( url, title);
	else if (window.opera && window.print)
		return true;
	return true;
}

function writeBookmarkLink(url, title, text, img)
{
	var insert = '';
	if (img)
		insert = writeBookmarkLinkObject(url, title, '<img src="' + img + '" alt="' + escape(text) + '" title="' + escape(text) + '" />') + '&nbsp';
	insert += writeBookmarkLinkObject(url, title, text);
	document.write(insert);
}

function writeBookmarkLinkObject(url, title, insert)
{
	if (window.sidebar || window.external)
		return ('<a href="javascript:addBookmark(\'' + escape(url) + '\', \'' + escape(title) + '\')">' + insert + '</a>');
	else if (window.opera && window.print)
		return ('<a rel="sidebar" href="' + escape(url) + '" title="' + escape(title) + '">' + insert + '</a>');
	return ('');
}

function checkCustomizations()
{
	var tmp;
	var pattern = new RegExp(' ?filled ?');
	for (var i = 0; i < customizationFields.length; i++)
		/* If the field is required and empty then we abort */
		if (parseInt(customizationFields[i][1]) == 1 && $('#' + customizationFields[i][0]).val() == '' && !pattern.test($('#' + customizationFields[i][0]).attr('class')))
			return false;
	return true;
}

/*var requete = null; /* On crée une variable globale qui contiendra l'objet XHR */

/*
 Fonction qui crée un objet XHR.
 Cette fonction initialisera la valeur dans la variable globale "requete"
*/

var requete = null

function creerRequete() {

    try {
        requete = new XMLHttpRequest(); /* On essaye de créer un objet XmlHTTPRequest */
    } catch (microsoft) {
        /* Microsoft utilise une autre technique, on tente de créer un objet ActiveX */
        try {
            requete = new ActiveXObject('Msxml2.XMLHTTP');
        } catch(autremicrosoft) {
            /* On en teste une autre méthode si la première n'a pas marchée */
            try {
                requete = new ActiveXObject('Microsoft.XMLHTTP');
            } catch(echec) {
                /* Si aucune méthode ne fonctionne, il ne reste plus qu'à mettre à jour le navigateur ! */
                requete = null;
            }
        }
    }
    if(requete == null) {
        alert('Votre navigateur ne semble pas supporter les object XMLHttpRequest.');
    }
}


function getModels() {
	
	creerRequete();

	var id = document.getElementById('manufacturers_list').value;
	var url = 'models.php?id='+id;

	requete.open('GET', url, true);
	requete.onreadystatechange = function() {
		if(requete.readyState == 4) {
			if(requete.status == 200) {
				document.getElementById('modeles').innerHTML = requete.responseText;
			}
		}
	};
	requete.send(null);
}

function getAnnee() {
	
	creerRequete();
	var id = document.getElementById('model_list').value;
	
	var url = 'annee.php?id='+id;

	requete.open('GET', url, true);
	requete.onreadystatechange = function() {
		if(requete.readyState == 4) {
			if(requete.status == 200) {
				document.getElementById('annees').innerHTML = requete.responseText;
			}
		}
	};
	requete.send(null);
}