(
    function($)
    {
        $.fn.jCarouselLite = function(o)
        {
            o=$.extend({btnPrev:null,btnNext:null,btnGo:null,mouseWheel:false,auto:null,speed:200,easing:null,vertical:false,circular:true,visible:3,start:0,scroll:1,beforeStart:null,afterEnd:null},o||{});

            return this.each
            (
                function()
                {
                    var b=false,animCss=o.vertical?"top":"left",sizeCss=o.vertical?"height":"width";
                    var c=$(this),ul=$("ul",c),tLi=$("li",ul),tl=tLi.size(),v=o.visible;
                    if(o.circular)
                    {
                        ul.prepend(tLi.slice(tl-v-1+1).clone()).append(tLi.slice(0,v).clone());
                        o.start+=v;
                    }
                    var f=$("li",ul),itemLength=f.size(),curr=o.start;
                    c.css("visibility","visible");
                    f.css({overflow:"hidden",float:o.vertical?"none":"left"});
                    ul.css({margin:"0",padding:"0",position:"relative","list-style-type":"none","z-index":"1"});
                    c.css({overflow:"hidden",position:"relative","z-index":"2",left:"0px"});
                    var g=o.vertical?height(f):width(f);
                    var h=g*itemLength;
                    var j=g*v;

                    f.css
                    (
                        {
                            width:f.width(),height:f.height()
                        }
                    );
                    ul.css(sizeCss,h+"px").css(animCss,-(curr*g));
                    c.css(sizeCss,j+"px");
                
                    if(o.btnPrev)$(o.btnPrev).click(function(){return go(curr-o.scroll)});
                    if(o.btnNext)$(o.btnNext).click(function(){return go(curr+o.scroll)});
                    if(o.btnGo)$.each(o.btnGo, function(i,a){$(a).click(function(){return go(o.circular?o.visible+i:i)})});
                    if(o.mouseWheel&&c.mousewheel)c.mousewheel(function(e,d){return d>0?go(curr-o.scroll):go(curr+o.scroll)});
                    if(o.auto)setInterval(function(){go(curr+o.scroll)},o.auto+o.speed);
                    
                    function vis(){return f.slice(curr).slice(0,v)};
                    
                    function go(a)
                    {
                        if(!b)
                        {
                            if(o.beforeStart)o.beforeStart.call(this,vis());
                            if(o.circular)
                            {
                                if(a<=o.start-v-1)
                                {
                                    ul.css(animCss,-((itemLength-(v*2))*g)+"px");
                                    curr=a==o.start-v-1?itemLength-(v*2)-1:itemLength-(v*2)-o.scroll
                                }
                                else if(a>=itemLength-v+1)
                                {
                                    ul.css(animCss,-((v)*g)+"px");
                                    curr=a==itemLength-v+1?v+1:v+o.scroll
                                }
                                else curr=a
                            }
                            else
                            {
                                if(a<0||a>itemLength-v)return;
                                else curr=a
                            }
                            b=true;
                            ul.animate(animCss=="left"?{left:-(curr*g)}:{top:-(curr*g)},o.speed,o.easing,function(){if(o.afterEnd)o.afterEnd.call(this,vis());b=false});
                            if(!o.circular)
                            {
                                $(o.btnPrev+","+o.btnNext).removeClass("disabled");
                                $((curr-o.scroll<0&&o.btnPrev)||(curr+o.scroll>itemLength-v&&o.btnNext)||[]).addClass("disabled")
                            }
                        }
                        return false;
                    }
                }
            )
        };

        function css(a,b)
        {
            return parseInt($.css(a[0],b))||0
        };

        function width(a)
        {
            return a[0].offsetWidth+css(a,'marginLeft')+css(a,'marginRight');
        };

        function height(a)
        {
            return a[0].offsetHeight+css(a,'marginTop')+css(a,'marginBottom');
        };
    }
)(jQuery);