(function($) {                                          // Compliant with jquery.noConflict()
$.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() {                           // 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, oldv = v;

        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;
		var li1 = $("li#img1", ul);
		var li2 = $("li#img2", ul);
		var li3 = $("li#img3", ul);
		var li4 = $("li#img4", ul);
		var li5 = $("li#img5", ul);
		var li6 = $("li#img6", ul);
		var li7 = $("li#img7", ul);
		var li8 = $("li#img8", ul);
		var li9 = $("li#img9", ul);
		var li10 = $("li#img10", ul);
		var li11 = $("li#img11", ul);
		var li12 = $("li#img12", ul);
		var li13 = $("li#img13", ul);
		var li14 = $("li#img14", ul);
		var li15 = $("li#img15", ul);
		var li16 = $("li#img16", ul);
		var li17 = $("li#img17", ul);
		var li18 = $("li#img18", ul);
		var li19 = $("li#img19", ul);
		var li20 = $("li#img20", ul);
		var li21 = $("li#img21", ul);
		var li22 = $("li#img22", ul);
		
        div.css("visibility", "visible");

        li.css({overflow: "hidden", float: o.vertical ? "none" : "left", width:"180px"});
        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", width: "960px"});

        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)
		//var divSize = 960;                           // 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));
		
		li1.css({width:"162px"});
		li2.css({width:"139px"});
		li3.css({width:"170px"});
		li4.css({width:"109px"});
		li5.css({width:"77px"});
		li6.css({width:"159px"});
		li7.css({width:"104px"});
		li8.css({width:"123px"});
		li9.css({width:"179px"});
		li10.css({width:"156px"});
		li11.css({width:"78px"});
		li12.css({width:"162px"});
		li13.css({width:"139px"});
		li14.css({width:"170px"});
		li15.css({width:"109px"});
		li16.css({width:"77px"});
		li17.css({width:"159px"});
		li18.css({width:"104px"});
		li19.css({width:"123px"});
		li20.css({width:"179px"});
		li21.css({width:"156px"});
		li22.css({width:"78px"});

        //div.css(sizeCss, divSize+"px");
		//div.css(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() {
                    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) {
			//console.log(oldv);
			//console.log(itemLength);
			//console.log(curr + o.scroll);
			//console.log(12 - v);
			//console.log(v);
			//if (oldv == o.visible && v > itemLength - curr - o.scroll) {
			if (oldv == o.visible && v > 12 - curr - o.scroll) {
				//v = itemLength - curr - o.scroll;
				//v = 12 - curr - o.scroll;
				//console.log(v);
				oldv = v;
				//console.log(oldv);
				//console.log("here");
			}
			//else if (v <= itemLength - curr - o.scroll) {
			else if (v <= 12 - curr - o.scroll) {
				v = o.visible;
				oldv = v;
				//console.log(v);
				//console.log("there");
			}
			
            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<=o.start-v-1) {           // If first, then goto last
                        ul.css(animCss, -((itemLength-(v*2))*liSize)+"px");
                        // If "scroll" > 1, then the "to" might not be equal to the condition; it can be lesser depending on the number of elements.
                        curr = to==o.start-v-1 ? itemLength-(v*2)-1 : itemLength-(v*2)-o.scroll;
                    } else if(to>=itemLength-v+1) { // If last, then goto first
                        ul.css(animCss, -( (v) * liSize ) + "px" );
                        // If "scroll" > 1, then the "to" might not be equal to the condition; it can be greater depending on the number of elements.
                        curr = to==itemLength-v+1 ? v+1 : v+o.scroll;
                    } else curr = to;
                } else {                    // If non-circular and to points to first or last, we just return.
                    if(to<0 || to>itemLength-v) return;
                    else curr = to;
                }                           // If neither overrides it, the curr will still be "to" and we can proceed.

                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;
                    }
                );
                // 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)
					   (curr+o.scroll > 12 - 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);