$(document).ready(function(){
                var self=this;
                this.div = $("#NosOffres");
                this.largeurCache = this.div.width();
                this.slider = this.div.find(".slider");
                this.largeur=0;
                this.div.find("#blocfiche").each(function(){
                    self.largeur+=$(this).width();
                    self.largeur+=parseInt($(this).css("padding-left"));
                    self.largeur+=parseInt($(this).css("padding-right"));
                    self.largeur+=parseInt($(this).css("padding-left"));
                    self.largeur+=parseInt($(this).css("padding-right"));
                });
                this.prec = this.div.find(".prec");
                this.suiv = this.div.find(".suiv");
                this.saut = this.largeurCache;
                this.nbEtapes = Math.ceil((this.largeur/this.saut));
                this.courant=0;
               
                this.suiv.click(function(){
                    if(self.courant<self.nbEtapes-1){
                        self.courant++;
                        self.slider.animate({left:-self.courant*self.saut},500);
                    }
					else{
						self.courant=0;
                        self.slider.animate({left:-self.courant*self.saut},500);
					}
                });
                this.prec.click(function(){
                    if(self.courant>0){
                        self.courant--;
                        self.slider.animate({left:-self.courant*self.saut},500);
                    }
					else{
						self.courant=self.nbEtapes-1;
                        self.slider.animate({left:-self.courant*self.saut},500);
					}
                });  
            });