(function($) {
    $.fn.jCarouselLite = function(o) {
        o = $.extend({ btnPrev: null, btnNext: null, btnGo: null, mouseWheel: false, auto: null, hoverPause: false, 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).clone()).append(tLi.slice(0, o.scroll).clone()); o.start += v - 1; }
            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).click(function() { return go(curr - o.scroll); }); if (o.hoverPause) { $(o.btnPrev).hover(function() { stopAuto(); }, function() { startAuto(); }); } }
            if (o.btnNext) { $(o.btnNext).click(function() { return go(curr + o.scroll); }); if (o.hoverPause) { $(o.btnNext).hover(function() { stopAuto(); }, function() { startAuto(); }); } }
            if (o.btnGo)
                $.each(o.btnGo, function(i, val) { $(val).click(function() { return go(o.circular ? o.visible + i : i); }); }); if (o.mouseWheel && div.mousewheel)
                div.mousewheel(function(e, d) { return d > 0 ? go(curr - o.scroll) : go(curr + o.scroll); }); var autoInterval; function startAuto() { stopAuto(); autoInterval = setInterval(function() { go(curr + o.scroll); }, o.auto + o.speed); }; function stopAuto() { clearInterval(autoInterval); }; if (o.auto) {
                if (o.hoverPause) { div.hover(function() { stopAuto(); }, function() { startAuto(); }); }
                startAuto();
            }; 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 < 0) { ul.css(animCss, -((curr + tl) * liSize) + "px"); curr = to + tl; } else if (to > itemLength - v) { ul.css(animCss, -((curr - tl) * liSize) + "px"); curr = to - tl; } 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);