window.addEventListener?window.addEventListener("load",diapo_init,false):window.attachEvent("onload",diapo_init);

var d=document, imgs = new Array(), zInterval = null, current=0, pause=false;

function diapo_init() {
	if(!d.getElementById || !d.createElement)return;
	imgs = d.getElementById("diapo").getElementsByTagName("img");
	for(i=1;i<imgs.length;i++) imgs[i].xOpacity = 0;
	imgs[0].style.display = "block";
	imgs[0].xOpacity = .99;
	
	setTimeout(diapo_fondu,1000);
}

function diapo_fondu() {
	cOpacity = imgs[current].xOpacity;
	nIndex = imgs[current+1]?current+1:0;

	nOpacity = imgs[nIndex].xOpacity;
	
	cOpacity-=.01; 
	nOpacity+=.01;
	
	imgs[nIndex].style.display = "block";
	imgs[current].xOpacity = cOpacity;
	imgs[nIndex].xOpacity = nOpacity;
	
	setOpacity(imgs[current]); 
	setOpacity(imgs[nIndex]);
	
	if(cOpacity<=0) {
		imgs[current].style.display = "none";
		current = nIndex;
		setTimeout(diapo_fondu,4000);
	} else {
		setTimeout(diapo_fondu,30);
	}
	
	function setOpacity(obj) {
		if(obj.xOpacity>.99) {
			obj.xOpacity = .99;
			return;
		}
		obj.style.opacity = obj.xOpacity;
		obj.style.MozOpacity = obj.xOpacity;
		obj.style.filter = "alpha(opacity=" + (obj.xOpacity*100) + ")";
	}
	
}

function qte(id, val) 
{
	quantite = document.getElementById(id).value;
	quantite = 	parseInt(quantite) + parseInt(val);
	if (quantite < 1) { quantite = 1; }
	if (quantite > 99) { quantite = 99; }
	document.getElementById(id).value = quantite;
}

function aff(thingId)
{
	var targetElement;
	targetElement = document.getElementById(thingId) ;
	if (targetElement.style.display == "none")
	{
		targetElement.style.display = "" ;
	} 
	else
	{
		targetElement.style.display = "none" ;
	}
}