Где частота смены?

(function(c){
    c.Slider=function(a,b){
        this.$el=c(b);
        this._init(a)};
    c.Slider.defaults={
        current:0,bgincrement:100,autoplay:1,interval:6E3};
    c.Slider.prototype={
        _init:function(a){
            this.options=c.extend(!0,{
            },c.Slider.defaults,a);
            this.$slides=this.$el.children("div.da-slide");
            this.slidesCount=this.$slides.length;
            this.current=this.options.current;
            if(0>this.current||this.current>=this.slidesCount)this.current=0;
            this.$slides.eq(this.current).addClass("da-slide-current");for(var a=c('<nav class="da-dots"/>'),
                                                                           b=0;
                                                                           b<this.slidesCount;
                                                                           ++b)a.append("<span/>");
            a.appendTo(this.$el);
            this.$pages=this.$el.find("nav.da-dots > span");
            this.$navNext=this.$el.next().find("span.da-arrows-next");
            this.$navPrev=this.$el.next().find("span.da-arrows-prev");
            this.isAnimating=!1;
            this.bgpositer=0;
            this.cssAnimations=Modernizr.cssanimations;
            this.cssTransitions=Modernizr.csstransitions;
            (!this.cssAnimations||!this.cssAnimations)&&this.$el.addClass("da-slider-fb");
            this._updatePage();
            this._loadEvents();
            this.options.autoplay&&this._startSlideshow()}
        ,
        _navigate:function(a,b){
            var c=this.$slides.eq(this.current),e,g=this;
            if(this.current===a||this.isAnimating)return!1;
            this.isAnimating=!0;
            var h,i,d;
            b?d=b:a>this.current?d="next":d="prev";
            this.cssAnimations&&this.cssAnimations&&("next"===d?(h="da-slide-toleft",i="da-slide-fromright",++this.bgpositer):(h="da-slide-toright",i="da-slide-fromleft",--this.bgpositer),this.$el.css("background-position",this.bgpositer*this.options.bgincrement+"% 0%"));
            this.current=a;
            e=this.$slides.eq(this.current);
            this.cssAnimations&&
                this.cssAnimations&&(c.removeClass("da-slide-toleft da-slide-toright da-slide-fromleft da-slide-fromright"),e.removeClass("da-slide-toleft da-slide-toright da-slide-fromleft da-slide-fromright"),c.addClass(h),e.addClass(i),c.removeClass("da-slide-current"),e.addClass("da-slide-current"));
            if(!this.cssAnimations||!this.cssAnimations)e.css("left","next"===d?"100%":"-100%").stop().animate({
                left:"0%"}
                                                                                                               ,1E3,function(){
                                                                                                                   g.isAnimating=!1}
                                                                                                              ),c.stop().animate({
                left:"next"===d?"-100%":"100%"}
                                                                                                                                 ,1E3,function(){
                                                                                                                                     c.removeClass("da-slide-current")}
                                                                                                                                );
            this._updatePage()}
        ,_updatePage:function(){
            this.$pages.removeClass("da-dots-current");
            this.$pages.eq(this.current).addClass("da-dots-current")}
        ,_startSlideshow:function(){
            var a=this;
            this.slideshow=setTimeout(function(){
                var b=a.current<a.slidesCount-1?b=a.current+1:b=0;
                a._navigate(b,"next");
                a.options.autoplay&&a._startSlideshow()}
                                      ,this.options.interval)}
        ,page:function(a){
            if(a>=this.slidesCount||0>a)return!1;
            this.options.autoplay&&(clearTimeout(this.slideshow),this.options.autoplay=!1);
            this._navigate(a)}
        ,
        _loadEvents:function(){
            var a=this;
            this.$pages.on("click.cslider",function(){
                a.page(c(this).index());
                return!1}
                          );
            this.$navNext.on("click.cslider",function(){
                a.options.autoplay&&(clearTimeout(a.slideshow),a.options.autoplay=!1);
                var b=a.current<a.slidesCount-1?b=a.current+1:b=0;
                a._navigate(b,"next");
                return!1}
                            );
            this.$navPrev.on("click.cslider",function(){
                a.options.autoplay&&(clearTimeout(a.slideshow),a.options.autoplay=!1);
                var b=0<a.current?b=a.current-1:b=a.slidesCount-1;
                a._navigate(b,"prev");
                return!1}
                            );
            if(this.cssTransitions)if(this.options.bgincrement)this.$el.on("webkitTransitionEnd.cslider transitionend.cslider OTransitionEnd.cslider",function(b){
                b.target.id===a.$el.attr("id")&&(a.isAnimating=!1)}
                                                                          );
            else this.$el.on("webkitAnimationEnd.cslider animationend.cslider OAnimationEnd.cslider",function(b){
                if("toRightAnim4"===b.originalEvent.animationName||"toLeftAnim4"===b.originalEvent.animationName)a.isAnimating=!1}
                            )}
    };
    var g=function(a){
        this.console&&console.error(a)};
    c.fn.cslider=function(a){
        if("string"===
           typeof a){
            var b=Array.prototype.slice.call(arguments,1);
            this.each(function(){
                var f=c.data(this,"cslider");
                f?!c.isFunction(f[a])||"_"===a.charAt(0)?g("no such method '"+a+"' for cslider instance"):f[a].apply(f,b):g("cannot call methods on cslider prior to initialization; attempted to call method '"+a+"'")}
                     )}
        else this.each(function(){
            c.data(this,"cslider")||c.data(this,"cslider",new c.Slider(a,this))}
                      );
        return this}
})(jQuery);