/* CARROUSEL */

var carrousel = {
	
	nbSlide : 0,
	nbCurrent : 1,
	elemCurrent : null,
	elem : null,
	timer : null,
	
	init : function(elem){
		this.nbSlide = elem.find(".slide").length;
		
		// créer la pagination
		elem.append('<div class="switch-slide"></div>');
		for(var i=1;i<=this.nbSlide;i++){
			elem.find(".switch-slide").append("<span>"+i+"</span>");
		}
		elem.find(".switch-slide span").click(function(){ carrousel.gotoSlide($(this).text()); })
		
		// Initialisation carrousel
		this.elem=elem;
		elem.find(".slide").hide();
		elem.find(".slide:first").show();
		this.elemCurrent = elem.find(".slide:first");
		this.elem.find(".switch-slide span:first").addClass("active");
		
		// On crée le timer
		carrousel.play();
		
		// Stop anim sur hover
		elem.mouseover(carrousel.stop);
		elem.mouseout(carrousel.play);
	},
	
	gotoSlide : function(num){
		if(num==this.nbCurrent){ return false; }
		
		/* animation en fadein/fadeout
		this.elemCurrent.fadeOut();
		this.elem.find("#slide"+num).fadeIn();*/
		
		/* Ainmation en 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);
		*/
		
		this.elemCurrent.find(".visu").fadeOut();
		this.elem.find("#slide"+num).show();
		this.elem.find("#slide"+num+" .visu").hide().fadeIn();
		
		var titleHeight = this.elemCurrent.find(".slide-title").height();
		
		this.elemCurrent.find(".slide-title").animate({"bottom": - titleHeight},500);
		this.elem.find("#slide"+num+" .slide-title").css("bottom",-titleHeight).animate({"bottom":0},500);
		

		
		this.elem.find(".switch-slide span").removeClass("active");
		this.elem.find(".switch-slide 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()",4000);	
	}
	
}

$(function(){
	carrousel.init($("#carrousel"));
});