var myZoom;

function init(o) {
	var stretchers = document.getElementsByClassName('stretcher');
	var toggles = document.getElementsByClassName('menutitre');
	var myAccordion = new fx.Accordion(
		toggles, stretchers, {opacity: false, duration: 500, defaultStretcher: o }
	);
	
	var sscat = document.getElementsByClassName('sscat');
	
	for(i=0;i<sscat.length;i++) {
		sscat[i].onclick = function() {
			return false;
		};
	}
	
	if(document.getElementById("zoom")) {
		myZoom = new fx.Combo('zoom', {height: true, opacity: true, duration: 1000});
		myZoom.hide('height');
	}
	
	if(document.getElementById("select")) {
		zoom = document.getElementsByClassName('zoom');
		for(i=0; i<zoom.length; i++) {
			zoom[i].onmouseover = function() { document.getElementById("galerie").style.backgroundImage = "url('"+this.href+"')"; }
			zoom[i].onclick = function() { return false; }
		}
	}

	document.getElementById('flash').innerHTML = '<marquee behavior="scroll" direction="up" scrollamount="1" scrolldelay="1" onMouseOver="this.stop()" onMouseOut="this.start()">'+document.getElementById('flash').innerHTML+'</marquee>';
}

function zoom() {
	myZoom.toggle();
}

function open_next(id) {
	document.getElementById(id).style.display = '';	
}

function addToFavorites() {
	if (document.all) { window.external.AddFavorite(location.href, document.title); }
	else { alert('Vous pouvez faire CTRL + D pour ajouter cette page dans vos signets, ou favoris.') }
}

function retour() {
	history.go(-1);	
}

function OpenWin(URL,width,height,nom) {
	window.open(URL,nom,"toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,width=" + width + ",height=" + height + ",resizable=no");
}

function OpenWin2(URL,width,height,nom) {
	window.open(URL,nom,"toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,width=" + width + ",height=" + height + ",resizable=yes");
}

function DisplayZoomPopUp(url) {
	window.open(url,'Zoom','height=500,width=500,left=0,top=0,scrollbars=yes');
}

function qte_moins(champ) {
	champ2 = champ + "_2";
	qte = document.getElementById(champ).value;
	document.getElementById(champ).value = Number(qte) - 1;
	document.getElementById(champ2).value = Number(qte) - 1;
	frmsubmit('recalc');
}

function qte_plus(champ) {
	champ2 = champ + "_2";
	qte = document.getElementById(champ).value;
	document.getElementById(champ).value = Number(qte) + 1;
	document.getElementById(champ2).value = Number(qte) + 1;
	frmsubmit('recalc');
}

function frmsubmit(func) {
	frm = document.entryform;
	frm.func.value = func;
	frm.submit();
}

var requete = null;

function creerRequete() {
    try {
        requete = new XMLHttpRequest();
    } catch (microsoft) {
        try {
            requete = new ActiveXObject('Msxml2.XMLHTTP');
        }
        catch(autremicrosoft) {
            try {
                requete = new ActiveXObject('Microsoft.XMLHTTP');
            } catch(echec) {
                requete = null;
            }
        }
    }
    if(requete == null) {
        alert('Impossible de créer l\'objet requête,\nVotre navigateur ne semble pas supporter les object XMLHttpRequest.');
    }
}

function page(catid) {
	creerRequete();
	var url = 'scripts/page.php?id='+catid;
	requete.open('GET', url, true);
	
	requete.onreadystatechange = function() {
		if(requete.readyState == 4) {
			if(requete.status == 200) {
				document.getElementById('page').innerHTML = requete.responseText;
			}
		}
	};
	
	requete.send(null);
}

function vide(vdefault, champ){
	if(champ.value==vdefault){
		champ.value='';
	}
}

function zoomGalerie(src, width, height, texte){
    var div = $('div_zoom_galerie');
    var div2 = $('div_zoom_galerie_contenu');
    var img = div2.getElementsByTagName('canvas')[0];
    
    if(div!=null){
        
        div.style.width=document.width+'px'; 
        div.style.height=document.height+'px';
        div.style.visibility='visible';
        div.style.backgroundColor='#000';
        div.style.zIndex = '999';
        change_opacity('div_zoom_galerie', 0.1, 0.6, '+');
        
        div2.style.visibility='visible';
        div2.style.zIndex = '1000';
        change_opacity('div_zoom_galerie_contenu', 0.1, 1, '+');
        div2.style.top = Math.ceil(parseInt(window.innerHeight)/2) + 'px';
        div2.style.left= Math.ceil(parseInt(window.innerWidth)/2)-Math.ceil(width/2) + 'px';
        
        if(texte!=''){
            div2.innerHTML = '<p style="width:'+width+'px">'+texte+'</p>' + div2.innerHTML;
        }
        div2.innerHTML = '<img src="' + src + '" />' + div2.innerHTML;
    }
    return true;
}

function change_opacity(id, depart, arriver, sens){
    if(sens == '-' || sens == '-1')
        var arriver_test = depart>parseFloat(arriver)-0.1
    else
        var arriver_test = depart<parseFloat(arriver)+0.1
        
    if(arriver_test){
        $(id).style.opacity = depart;
        if(sens == '-' || sens == '-1')
            suivant = parseFloat(depart-0.1);
        else
            suivant = parseFloat(depart+0.1);
            
        setTimeout('change_opacity("'+id+'", '+suivant+', '+arriver+', "'+sens+'")', 10)
    }
    else{
        if(arriver==0){
            
            $(id).style.visibility='hidden';
        }
    }
}

function fermer_zoom_galerie(){
    var div = $('div_zoom_galerie_contenu');
    var img = div.getElementsByTagName('img')[0];
    var p = div.getElementsByTagName('p')[0];
    div.style.visibility='hidden';
    
    change_opacity('div_zoom_galerie_contenu', 1, 0, '-');
    
    var anciennoeud = div.removeChild(img);
    
    if(p!=null){
        var anciennoeud = div.removeChild(p);
    }
    
    change_opacity('div_zoom_galerie', 0.6, 0, '-');   
    
    return true;
}


/*
	Lightbox JS: Fullsize Image Overlays 
	by Lokesh Dhakar - http://www.huddletogether.com

	For more information on this script, visit:
	http://huddletogether.com/projects/lightbox/

	Licensed under the Creative Commons Attribution 2.5 License - http://creativecommons.org/licenses/by/2.5/
	(basically, do anything you want, just leave my name and link)
	
	Table of Contents
	-----------------
	Configuration
	
	Functions
	- getPageScroll()
	- getPageSize()
	- pause()
	- getKey()
	- listenKey()
	- showLightbox()
	- hideLightbox()
	- initLightbox()
	- addLoadEvent()
	
	Function Calls
	- addLoadEvent(initLightbox)

*/



//
// Configuration
//

// If you would like to use a custom loading image or close button reference them in the next two lines.
var loadingImage = 'images/loading.gif';		
var closeButton = 'images/close.gif';		





//
// getPageScroll()
// Returns array with x,y page scroll values.
// Core code from - quirksmode.org
//
function getPageScroll(){

	var yScroll;

	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
	} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
	}

	arrayPageScroll = new Array('',yScroll) 
	return arrayPageScroll;
}



//
// getPageSize()
// Returns array with page width, height and window width, height
// Core code from - quirksmode.org
// Edit for Firefox by pHaez
//
function getPageSize(){
	
	var xScroll, yScroll;
	
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = document.body.scrollWidth;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	
	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	
	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}


	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
	return arrayPageSize;
}


//
// pause(numberMillis)
// Pauses code execution for specified time. Uses busy code, not good.
// Code from http://www.faqts.com/knowledge_base/view.phtml/aid/1602
//
function pause(numberMillis) {
	var now = new Date();
	var exitTime = now.getTime() + numberMillis;
	while (true) {
		now = new Date();
		if (now.getTime() > exitTime)
			return;
	}
}

//
// getKey(key)
// Gets keycode. If 'x' is pressed then it hides the lightbox.
//

function getKey(e){
	if (e == null) { // ie
		keycode = event.keyCode;
	} else { // mozilla
		keycode = e.which;
	}
	key = String.fromCharCode(keycode).toLowerCase();
	
	if(key == 'x'){ hideLightbox(); }
}


//
// listenKey()
//
function listenKey () {	document.onkeypress = getKey; }
	

//
// showLightbox()
// Preloads images. Pleaces new image in lightbox then centers and displays.
//
function showLightbox(objLink)
{
	// prep objects
	var objOverlay = document.getElementById('overlay');
	var objLightbox = document.getElementById('lightbox');
	var objCaption = document.getElementById('lightboxCaption');
	var objImage = document.getElementById('lightboxImage');
	var objLoadingImage = document.getElementById('loadingImage');
	var objLightboxDetails = document.getElementById('lightboxDetails');

	
	var arrayPageSize = getPageSize();
	var arrayPageScroll = getPageScroll();

	// center loadingImage if it exists
	if (objLoadingImage) {
		objLoadingImage.style.top = (arrayPageScroll[1] + ((arrayPageSize[3] - 35 - objLoadingImage.height) / 2) + 'px');
		objLoadingImage.style.left = (((arrayPageSize[0] - 20 - objLoadingImage.width) / 2) + 'px');
		objLoadingImage.style.display = 'block';
	}

	// set height of Overlay to take up whole page and show
	objOverlay.style.height = (arrayPageSize[1] + 'px');
	objOverlay.style.display = 'block';

	// preload image
	imgPreload = new Image();

	imgPreload.onload=function(){
		objImage.src = objLink.href;

		// center lightbox and make sure that the top and left values are not negative
		// and the image placed outside the viewport
		var lightboxTop = arrayPageScroll[1] + ((arrayPageSize[3] - 35 - imgPreload.height) / 2);
		var lightboxLeft = ((arrayPageSize[0] - 20 - imgPreload.width) / 2);
		
		objLightbox.style.top = (lightboxTop < 0) ? "0px" : lightboxTop + "px";
		objLightbox.style.left = (lightboxLeft < 0) ? "0px" : lightboxLeft + "px";


		objLightboxDetails.style.width = imgPreload.width + 'px';
		
		if(objLink.getAttribute('title')){
			objCaption.style.display = 'block';
			//objCaption.style.width = imgPreload.width + 'px';
			objCaption.innerHTML = objLink.getAttribute('title');
		} else {
			objCaption.style.display = 'none';
		}
		
		// A small pause between the image loading and displaying is required with IE,
		// this prevents the previous image displaying for a short burst causing flicker.
		if (navigator.appVersion.indexOf("MSIE")!=-1){
			pause(250);
		} 

		if (objLoadingImage) {	objLoadingImage.style.display = 'none'; }

		// Hide select boxes as they will 'peek' through the image in IE
		selects = document.getElementsByTagName("select");
        for (i = 0; i != selects.length; i++) {
                selects[i].style.visibility = "hidden";
        }

	
		objLightbox.style.display = 'block';

		// After image is loaded, update the overlay height as the new image might have
		// increased the overall page height.
		arrayPageSize = getPageSize();
		objOverlay.style.height = (arrayPageSize[1] + 'px');
		
		// Check for 'x' keypress
		listenKey();

		return false;
	}

	imgPreload.src = objLink.href;
	
}





//
// hideLightbox()
//
function hideLightbox()
{
	// get objects
	objOverlay = document.getElementById('overlay');
	objLightbox = document.getElementById('lightbox');

	// hide lightbox and overlay
	objOverlay.style.display = 'none';
	objLightbox.style.display = 'none';

	// make select boxes visible
	selects = document.getElementsByTagName("select");
    for (i = 0; i != selects.length; i++) {
		selects[i].style.visibility = "visible";
	}

	// disable keypress listener
	document.onkeypress = '';
}




//
// initLightbox()
// Function runs on window load, going through link tags looking for rel="lightbox".
// These links receive onclick events that enable the lightbox display for their targets.
// The function also inserts html markup at the top of the page which will be used as a
// container for the overlay pattern and the inline image.
//
function initLightbox()
{
	
	if (!document.getElementsByTagName){ return; }
	var anchors = document.getElementsByTagName("a");

	// loop through all anchor tags
	for (var i=0; i<anchors.length; i++){
		var anchor = anchors[i];

		if (anchor.getAttribute("href") && (anchor.getAttribute("class") == "lightbox"||anchor.getAttribute("rel") == "lightbox")){
			anchor.onclick = function () {showLightbox(this); return false;}
		}
	}

	// the rest of this code inserts html at the top of the page that looks like this:
	//
	// <div id="overlay">
	//		<a href="#" onclick="hideLightbox(); return false;"><img id="loadingImage" /></a>
	//	</div>
	// <div id="lightbox">
	//		<a href="#" onclick="hideLightbox(); return false;" title="Click anywhere to close image">
	//			<img id="closeButton" />		
	//			<img id="lightboxImage" />
	//		</a>
	//		<div id="lightboxDetails">
	//			<div id="lightboxCaption"></div>
	//			<div id="keyboardMsg"></div>
	//		</div>
	// </div>
	
	var objBody = document.getElementsByTagName("body").item(0);
	
	// create overlay div and hardcode some functional styles (aesthetic styles are in CSS file)
	var objOverlay = document.createElement("div");
	objOverlay.setAttribute('id','overlay');
	objOverlay.onclick = function () {hideLightbox(); return false;}
	objOverlay.style.display = 'none';
	objOverlay.style.position = 'absolute';
	objOverlay.style.top = '0';
	objOverlay.style.left = '0';
	objOverlay.style.zIndex = '90';
 	objOverlay.style.width = '100%';
	objBody.insertBefore(objOverlay, objBody.firstChild);
	
	var arrayPageSize = getPageSize();
	var arrayPageScroll = getPageScroll();

	// preload and create loader image
	var imgPreloader = new Image();
	
	// if loader image found, create link to hide lightbox and create loadingimage
	imgPreloader.onload=function(){

		var objLoadingImageLink = document.createElement("a");
		objLoadingImageLink.setAttribute('href','#');
		objLoadingImageLink.onclick = function () {hideLightbox(); return false;}
		objOverlay.appendChild(objLoadingImageLink);
		
		var objLoadingImage = document.createElement("img");
		objLoadingImage.src = loadingImage;
		objLoadingImage.setAttribute('id','loadingImage');
		objLoadingImage.style.position = 'absolute';
		objLoadingImage.style.zIndex = '150';
		objLoadingImageLink.appendChild(objLoadingImage);

		imgPreloader.onload=function(){};	//	clear onLoad, as IE will flip out w/animated gifs

		return false;
	}

	imgPreloader.src = loadingImage;

	// create lightbox div, same note about styles as above
	var objLightbox = document.createElement("div");
	objLightbox.setAttribute('id','lightbox');
	objLightbox.style.display = 'none';
	objLightbox.style.position = 'absolute';
	objLightbox.style.zIndex = '100';	
	objBody.insertBefore(objLightbox, objOverlay.nextSibling);
	
	// create link
	var objLink = document.createElement("a");
	objLink.setAttribute('href','#');
	objLink.setAttribute('title','Click to close');
	objLink.onclick = function () {hideLightbox(); return false;}
	objLightbox.appendChild(objLink);

	// preload and create close button image
	var imgPreloadCloseButton = new Image();

	// if close button image found, 
	imgPreloadCloseButton.onload=function(){

		var objCloseButton = document.createElement("img");
		objCloseButton.src = closeButton;
		objCloseButton.setAttribute('id','closeButton');
		objCloseButton.style.position = 'absolute';
		objCloseButton.style.zIndex = '200';
		objLink.appendChild(objCloseButton);

		return false;
	}

	imgPreloadCloseButton.src = closeButton;

	// create image
	var objImage = document.createElement("img");
	objImage.setAttribute('id','lightboxImage');
	objLink.appendChild(objImage);
	
	// create details div, a container for the caption and keyboard message
	var objLightboxDetails = document.createElement("div");
	objLightboxDetails.setAttribute('id','lightboxDetails');
	objLightbox.appendChild(objLightboxDetails);

	// create caption
	var objCaption = document.createElement("div");
	objCaption.setAttribute('id','lightboxCaption');
	objCaption.style.display = 'none';
	objLightboxDetails.appendChild(objCaption);

	// create keyboard message
	var objKeyboardMsg = document.createElement("div");
	objKeyboardMsg.setAttribute('id','keyboardMsg');
	objKeyboardMsg.innerHTML = 'press <a href="#" onclick="hideLightbox(); return false;"><kbd>x</kbd></a> to close';
	objLightboxDetails.appendChild(objKeyboardMsg);


}




//
// addLoadEvent()
// Adds event to window.onload without overwriting currently assigned onload functions.
// Function found at Simon Willison's weblog - http://simon.incutio.com/
//
function addLoadEvent(func)
{	
	var oldonload = window.onload;
	if (typeof window.onload != 'function'){
    	window.onload = func;
	} else {
		window.onload = function(){
		oldonload();
		func();
		}
	}

}



addLoadEvent(initLightbox);	// run initLightbox onLoad