(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: 1,
        start: 0,
        scroll: 1,

        beforeStart: null,
        afterEnd: null
    }, o || {});

    return this.each(function() {                           // Returns the element collection. Chainable.

        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 + 1;
		//alert(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);   // Full li size(incl margin)-Used for animation
        var ulSize = liSize * itemLength;                   // size of full ul(total length, not just for the visible items)
        var divSize = liSize * v;                           // size of entire div(total length for just the visible items)

        //li.css({width: li.width(), height: li.height()});
        //ul.css(sizeCss, ulSize+"px").css(animCss, -(curr*liSize));

        //div.css(sizeCss, divSize+"px");                     // Width of the DIV. length of visible images

        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, val) {
                $(val).click(function() {
					$(this).parent('.carousel-nav > div').removeClass('active');
					$(this).addClass('active');
					//alert(i);
					//alert(curr);
                    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);
            });

        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 circular we are in first or last, then goto the other end
                    if(to>6) {           // If first, then goto last
                        curr = 1;
                    } else curr = to;
                }

                running = true;
//alert(curr);
				$('.carousel-nav > div').removeClass('active');
				$('.carousel-nav .n' + curr).addClass('active');
				$('.carousel li').hide();
				$('.carousel li.slide-'+curr).fadeIn(o.speed, running = false);
				//alert(curr);
			
				
                // Disable buttons when the carousel reaches the last/first, and enable when not
                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);