(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 running = false, animCss=o.vertical?"top":"left", sizeCss=o.vertical?"height":"width";
        var div = $(this), ul = $("ul", div), 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 li = $("li", ul), itemLength = li.size(), curr = o.start;
        div.css("visibility", "visible");
        li.css({overflow: "hidden", float: o.vertical ? "none" : "left"});
        ul.css({margin: "0", padding: "0", position: "relative", "list-style-type": "none", "z-index": "1"});
        div.css({overflow: "hidden", position: "relative", "z-index": "2", left: "0px"});
        var liSize = o.vertical ? height(li) : width(li);
        var ulSize = liSize * itemLength;
        var divSize = liSize * v;
        li.css({width: li.width(), height: li.height()});
        ul.css(sizeCss, ulSize+"px").css(animCss, -(curr*liSize));
        div.css(sizeCss, divSize+"px");
        if(o.btnPrev) {
            $(o.btnPrev).mouseover(function() {
                go(curr-o.scroll);
          scrolltimer=setInterval(function() {
                go(curr-o.scroll);
            }, o.speed);
if (event.preventDefault) {event.preventDefault()};
           }).mouseleave(function() {
           clearInterval(scrolltimer);
           });
}
        if(o.btnNext) {
            $(o.btnNext).mouseover(function() {
                go(curr+o.scroll);
           scrolltimer=setInterval(function() {
                go(curr+o.scroll);
            }, o.speed);
if (event.preventDefault) {event.preventDefault()};
           }).mouseleave(function() {
           clearInterval(scrolltimer);
           });
}
        if(o.auto)
            setInterval(function() {
                go(curr+o.scroll);
            }, o.auto+o.speed);
        function vis() {
            return li.slice(curr).slice(0,v);
        };
        function go(to) {
            if(!running) {
                if(o.beforeStart)
                    o.beforeStart.call(this, vis());
                if(o.circular) {
                    if(to<=o.start-v-1) {
                        ul.css(animCss, -((itemLength-(v*2))*liSize)+"px");
                        curr = to==o.start-v-1 ? itemLength-(v*2)-1 : itemLength-(v*2)-o.scroll;
                    } else if(to>=itemLength-v+1) {
                        ul.css(animCss, -( (v) * liSize ) + "px" );
                        curr = to==itemLength-v+1 ? v+1 : v+o.scroll;
                    } else curr = to;
                } else {
                    if(to<0 || to>itemLength-v) return;
                    else curr = to;
                }
                running = true;
                ul.animate(
                    animCss == "left" ? { left: -(curr*liSize) } : { top: -(curr*liSize) } , o.speed, o.easing,
                    function() {
                        if(o.afterEnd)
                            o.afterEnd.call(this, vis());
                        running = false;
	
                    }
                );
                if(!o.circular) {
                    $(o.btnPrev + "," + o.btnNext).removeClass("disabled");
                    $( (curr-o.scroll<0 && o.btnPrev)
                        ||
                       (curr+o.scroll > itemLength-v && o.btnNext)
                        ||
                       []
                     ).addClass("disabled");
                }
            }
            return false;
        };
    });
};
function css(el, prop) {return parseInt($.css(el[0], prop)) || 0;};
function width(el) {return  el[0].offsetWidth + css(el, 'marginLeft') + css(el, 'marginRight');};
function height(el) {return el[0].offsetHeight + css(el, 'marginTop') + css(el, 'marginBottom');};})(jQuery);