function Diaporama() {
	this.conf = null;
	this.tabImgs = [];
	this.index = 1;
	this.ready = false;
};
Diaporama.prototype = {
	go: function(config) {
		this.conf = this.initConf(config);
		var imgs = this.conf.diapos;
		for (var i = 0; i < imgs.length; i++) {
			this.tabImgs[i] = new Image();
			this.tabImgs[i].src = this.conf.imgPath + imgs[i].src;
		}
		dojo.byId(this.conf.imgId).model = this;
		setInterval("Diaporama.changeDiapo('" + this.conf.imgId + "')", this.conf.inter * 1000);
    },
	initConf: function(config) {
		var conf = {
			inter: 6, imgId: "diapo", imgPath: "assets/images/", preTitle: "Produits de la Ruche : ",
			diapos: [
				{ src: "diapo_miel.jpg", title: "Miels" },
				{ src: "diapo_nougat_plak.jpg", title: "Nougats en plaques" },
				{ src: "diapo_nougat_sach.jpg", title: "Nougats en sachets" },
				{ src: "diapo_ballotin.jpg", title: "Ballotins de nougats enrobés de chocolat" },
				{ src: "diapo_pepices.jpg", title: "Pains d'épices" },
				{ src: "diapo_propolis.jpg", title: "Propolis" },
				{ src: "diapo_sucettes.jpg", title: "Sucettes" }
			]
		};
		if (config) {
			for (var prop in config) { if (conf[prop]) { conf[prop] = config[prop]; }}
		}
		return conf;
	},
	isReady: function() {
		if (this.ready) { return true; }
		for (var i = 0; i < this.tabImgs.length; i++) { if (!this.tabImgs[i].complete) { return false; }}
		this.ready = true;
		return true;
	}
};
Diaporama.changeDiapo = function (nodeId) {
	var node = dojo.byId(nodeId);
	var m = node.model;
	if (!m.isReady()) { return; }
	var i = m.index;
	node.src = m.tabImgs[i].src;
	var t = (m.conf.preTitle ? m.conf.preTitle : "") + m.conf.diapos[i].title;
	node.title = t;
	node.alt = t;
	m.index = (++i >= m.tabImgs.length) ? 0 : i;
};
var diapos;
function initAccueil() {
	diapos = new Diaporama();
	diapos.go(null);
}
dojo.addOnLoad(initAccueil);