var carrousel={
	nbSlide:0,
	nbCurrent:1,
	elemCurrent:null,
	elem:null,
	timer:null,
	
	init:function(elem){
		this.nbSlide=elem.find(".slide").length;
		
		// Initialisation du carrousel
		this.elem=elem;
		elem.find(".slide").hide();
		elem.find(".slide:first").show();
		this.elemCurrent=elem.find(".slide:first");
		this.elem.find(".navigation span:first").addClass("active");
		
		carrousel.play();
	},
	
	gotoSlide:function(num){
		if(num==this.nbCurrent){return false;}
		
		// Défilement alpha
		this.elemCurrent.find(".visu").fadeOut(1000);
		this.elem.find("#slide"+num).show();
		this.elem.find("#slide"+num+" .visu").hide().fadeIn(1000);
		
		// Element courant
		this.elem.find(".navigation span").removeClass("active");
		this.elem.find(".navigation span:eq("+(num-1)+")").addClass("active");
		this.nbCurrent=num;
		this.elemCurrent=this.elem.find("#slide"+num);
	},
	
	next:function(){
		//var num=this.nbCurrent+1;
		var num = Number(this.nbCurrent)+1;
		if(num>this.nbSlide){num=1;}
			this.gotoSlide(num);
	},
	
	prev:function(){
		//var num=this.nbCurrent-1;
		var num = Number(this.nbCurrent)-1;
		if(num<1){num=this.nbSlide;}
			this.gotoSlide(num);
	},
	
	stop:function(){
		window.clearInterval(carrousel.timer);
	},
	
	play:function(){
		window.clearInterval(carrousel.timer);
		carrousel.timer=window.setInterval("carrousel.next()",5000);}
	}
	
$(function(){
	carrousel.init($("#carrousel"));
});