var carrousel = {

	nbSlide : 0,
	nbCurrent : 1,
	elemCurrent: null,
	elem : null,
	timer :null,
	
	init : function(elem){
		this.nbSlide = elem.find(".slide").length;
		
		elem.append('<div class="navigation"></div>');
		for (var i = 1; i<=this.nbSlide; i++) {
			elem.find(".navigation").append("<span>"+i+"</span>");
		}
		elem.find(".navigation span").click(function(){ carrousel.gotoSlide($(this).text()); })
		
		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");
		
		//timer
		carrousel.play();
		
		//stop dessus
		elem.mouseover(carrousel.stop);
		elem.mouseout(carrousel.play);
		
	}, 
	
	gotoSlide : function(num){
		if(num==this.nbCurrent){ return false;}
		 
		 
		 /* anim fade
		 this.elemCurrent.fadeOut();
		 this.elem.find("#slide"+num).fadeIn();
		 */
		 
		 /*Anim slide*/
		 var sens = 1;
		 if(num<this.nbCurrent){sens = -1;}
		 var cssDeb = {"left" : sens*this.elem.width() };
		 var cssFin = {"left" : -sens*this.elem.width() };
		 this.elem.find("#slide"+num).show().css(cssDeb);
		 
		 this.elem.find("#slide"+num).animate({"top":0, "left":0},500);
		 this.elemCurrent.animate(cssFin, 500);
		
		 
		 /*Anim 3
		 this.elemCurrent.find(".visu").fadeOut();
		 this.elem.find("#slide"+num).show();
		 this.elem.find("#slide"+num+" .visu").hide().fadeIn();
		 
		 var titleHeight = this.elemCurrent.find(".title").height();
		 
		 this.elemCurrent.find(".title").animate({"bottom": -titleHeight}, 500);
		 this.elem.find("#slide"+num+" .title").css("bottom",-titleHeight).animate({"bottom": 0}, 500);
		 
		*/
		 
		 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;
		if(num>this.nbSlide){
			num = 1;
		}
		this.gotoSlide(num);
	},
	
	prev : function(){
		var num = 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"));

});