﻿
(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) {
            if (!a[0]) return 0;
            return a[0].offsetWidth + css(a, 'marginLeft') + css(a, 'marginRight')
        };
        function height(a) {
            if (!a[0]) return 0;
            return a[0].offsetHeight + css(a, 'marginTop') + css(a, 'marginBottom')
        }
    })(jQuery);


                    $(function(){ 
   
                    $(".centerCase").jCarouselLite({
                    btnNext: ".rightarrow",
                    btnPrev: ".leftarrow",
                    visible:3,
                    scroll: 3,
					auto: 5000,
					speed: 1000
			
                });
})

