var carrousel={
      nbSlide:0,
      nbCurrent:1,
      elemCurrent:null,
      elem:null,
      timer:null,
     
      init:function(elem){
        this.nbSlide=elem.find(".slide").length;
         // Création de la pagination 
         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());})
         // 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" ).css("opacity",0.6);
         this.elem.find(".navigation span:first").addClass("active");
         // Création du timer 
         carrousel.play();
        // Stop quand on passe dessus 
         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();
        /* Animation 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 titre_showHeight=this.elemCurrent.find(".titre_show").height();
         this.elemCurrent.find(".titre_show" ).animate({"bottom":-titre_showHeight},500);
         this.elem.find("#slide"+num+" .titre_show" ).css("bottom",-titre_showHeight).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"));
     
    });
