/*	
 *	jQuery carouFredSel 5.6.1
 *	Demo's and documentation:
 *	caroufredsel.frebsite.nl
 *	
 *	Copyright (c) 2012 Fred Heusschen
 *	www.frebsite.nl
 *
 *	Dual licensed under the MIT and GPL licenses.
 *	http://en.wikipedia.org/wiki/MIT_License
 *	http://en.wikipedia.org/wiki/GNU_General_Public_License
 */


(function ($) {



    //	LOCAL

    if ($.fn.carouFredSel) return;

    $.fn.carouFredSel = function (options, configs) {
        if (this.length == 0) {
            debug(true, 'No element found for "' + this.selector + '".');
            return this;
        }
        if (this.length > 1) {
            return this.each(function () {
                $(this).carouFredSel(options, configs);
            });
        }

        var $cfs = this,
            $tt0 = this[0];

        if ($cfs.data('cfs_isCarousel')) {
            var starting_position = $cfs.triggerHandler('_cfs_triggerEvent', 'currentPosition');
            $cfs.trigger('_cfs_triggerEvent', ['destroy', true]);
        } else {
            var starting_position = false;
        }

        $cfs._cfs_init = function (o, setOrig, start) {
            o = go_getObject($tt0, o);

            var obs = ['items', 'scroll', 'auto', 'prev', 'next', 'pagination'];
            for (var a = 0, l = obs.length; a < l; a++) {
                o[obs[a]] = go_getObject($tt0, o[obs[a]]);
            }

            if (typeof o.scroll == 'number') {
                if (o.scroll <= 50) o.scroll = {'items': o.scroll};
                else o.scroll = {'duration': o.scroll};
            } else {
                if (typeof o.scroll == 'string') o.scroll = {'easing': o.scroll};
            }

            if (typeof o.items == 'number') o.items = {'visible': o.items};
            else if (o.items == 'variable') o.items = {
                'visible': o.items,
                'width': o.items,
                'height': o.items
            };

            if (typeof o.items != 'object') o.items = {};
            if (setOrig) opts_orig = $.extend(true, {}, $.fn.carouFredSel.defaults, o);

            opts = $.extend(true, {}, $.fn.carouFredSel.defaults, o);

            if (typeof opts.items.visibleConf != 'object') opts.items.visibleConf = {};

            if (opts.items.start == 0 && typeof start == 'number') {
                opts.items.start = start;
            }

            crsl.upDateOnWindowResize = (opts.responsive);
            crsl.direction = (opts.direction == 'up' || opts.direction == 'left') ? 'next' : 'prev';

            var dims = [
                ['width', 'innerWidth', 'outerWidth', 'height', 'innerHeight', 'outerHeight', 'left', 'top', 'marginRight', 0, 1, 2, 3],
                ['height', 'innerHeight', 'outerHeight', 'width', 'innerWidth', 'outerWidth', 'top', 'left', 'marginBottom', 3, 2, 1, 0]
            ];

            var dn = dims[0].length,
                dx = (opts.direction == 'right' || opts.direction == 'left') ? 0 : 1;

            opts.d = {};
            for (var d = 0; d < dn; d++) {
                opts.d[dims[0][d]] = dims[dx][d];
            }

            var all_itm = $cfs.children();


            //	check visible items
            switch (typeof opts.items.visible) {

                //	min and max visible items
                case 'object':
                    opts.items.visibleConf.min = opts.items.visible.min;
                    opts.items.visibleConf.max = opts.items.visible.max;
                    opts.items.visible = false;
                    break;

                case 'string':
                    //	variable visible items
                    if (opts.items.visible == 'variable') {
                        opts.items.visibleConf.variable = true;

                        //	adjust string visible items
                    } else {
                        opts.items.visibleConf.adjust = opts.items.visible;
                    }
                    opts.items.visible = false;
                    break;

                // function visible items
                case 'function':
                    opts.items.visibleConf.adjust = opts.items.visible;
                    opts.items.visible = false;
                    break;
            }

            //	set items filter
            if (typeof opts.items.filter == 'undefined') {
                opts.items.filter = (all_itm.filter(':hidden').length > 0) ? ':visible' : '*';
            }

            //	primary size set to auto -> measure largest size and set it
            if (opts[opts.d['width']] == 'auto') {
                opts[opts.d['width']] = ms_getTrueLargestSize(all_itm, opts, 'outerWidth');
            }
            //	primary size percentage
            if (ms_isPercentage(opts[opts.d['width']]) && !opts.responsive) {
                opts[opts.d['width']] = ms_getPercentage(ms_getTrueInnerSize($wrp.parent(), opts, 'innerWidth'), opts[opts.d['width']]);
                crsl.upDateOnWindowResize = true;
            }

            //	secondary size set to auto -> measure largest size and set it
            if (opts[opts.d['height']] == 'auto') {
                opts[opts.d['height']] = ms_getTrueLargestSize(all_itm, opts, 'outerHeight');
            }

            //	primary item-size not set
            if (!opts.items[opts.d['width']]) {
//	responsive carousel -> set to largest
                if (opts.responsive) {
                    debug(true, 'Set a ' + opts.d['width'] + ' for the items!');
                    opts.items[opts.d['width']] = ms_getTrueLargestSize(all_itm, opts, 'outerWidth');
                    //	 non-responsive -> measure it or set to "variable"
                } else {
                    opts.items[opts.d['width']] = (ms_hasVariableSizes(all_itm, opts, 'outerWidth'))
                        ? 'variable'
                        : all_itm[opts.d['outerWidth']](true);
                }
            }

            //	secondary item-size not set -> measure it or set to "variable"
            if (!opts.items[opts.d['height']]) {
                opts.items[opts.d['height']] = (ms_hasVariableSizes(all_itm, opts, 'outerHeight'))
                    ? 'variable'
                    : all_itm[opts.d['outerHeight']](true);
            }

            //	secondary size not set -> set to secondary item-size
            if (!opts[opts.d['height']]) {
                opts[opts.d['height']] = opts.items[opts.d['height']];
            }

            //	visible-items not set
            if (!opts.items.visible && !opts.responsive) {
                //	primary item-size variable -> set visible items variable
                if (opts.items[opts.d['width']] == 'variable') {
                    opts.items.visibleConf.variable = true;
                }
                if (!opts.items.visibleConf.variable) {
                    //	primary size is number -> calculate visible-items
                    if (typeof opts[opts.d['width']] == 'number') {
                        opts.items.visible = Math.floor(opts[opts.d['width']] / opts.items[opts.d['width']]);
                    } else {
                        //	measure and calculate primary size and visible-items
                        var maxS = ms_getTrueInnerSize($wrp.parent(), opts, 'innerWidth');
                        opts.items.visible = Math.floor(maxS / opts.items[opts.d['width']]);
                        opts[opts.d['width']] = opts.items.visible * opts.items[opts.d['width']];
                        if (!opts.items.visibleConf.adjust) opts.align = false;
                    }
                    if (opts.items.visible == 'Infinity' || opts.items.visible < 1) {
                        debug(true, 'Not a valid number of visible items: Set to "variable".');
                        opts.items.visibleConf.variable = true;
                    }
                }
            }

            //	primary size not set -> calculate it or set to "variable"
            if (!opts[opts.d['width']]) {
                opts[opts.d['width']] = 'variable';
                if (!opts.responsive && opts.items.filter == '*' && !opts.items.visibleConf.variable && opts.items[opts.d['width']] != 'variable') {
                    opts[opts.d['width']] = opts.items.visible * opts.items[opts.d['width']];
                    opts.align = false;
                }
            }

            //	variable primary item-sizes with variabe visible-items
            if (opts.items.visibleConf.variable) {
                opts.maxDimention = (opts[opts.d['width']] == 'variable')
                    ? ms_getTrueInnerSize($wrp.parent(), opts, 'innerWidth')
                    : opts[opts.d['width']];
                if (opts.align === false) {
                    opts[opts.d['width']] = 'variable';
                }
                opts.items.visible = gn_getVisibleItemsNext(all_itm, opts, 0);

                //	set visible items by filter
            } else if (opts.items.filter != '*') {
                opts.items.visibleConf.org = opts.items.visible;
                opts.items.visible = gn_getVisibleItemsNextFilter(all_itm, opts, 0);
            }

            //	align not set -> set to center if primary size is number
            if (typeof opts.align == 'undefined') {
                opts.align = (opts[opts.d['width']] == 'variable')
                    ? false
                    : 'center';
            }

            opts.items.visible = cf_getItemsAdjust(opts.items.visible, opts, opts.items.visibleConf.adjust, $tt0);
            opts.items.visibleConf.old = opts.items.visible;
            opts.usePadding = false;


            if (opts.responsive) {

                if (!opts.items.visibleConf.min) opts.items.visibleConf.min = opts.items.visible;
                if (!opts.items.visibleConf.max) opts.items.visibleConf.max = opts.items.visible;

                opts.align = false;
                opts.padding = [0, 0, 0, 0];

                var isVisible = $wrp.is(':visible');
                if (isVisible) $wrp.hide();
                var fullS = ms_getPercentage(ms_getTrueInnerSize($wrp.parent(), opts, 'innerWidth'), opts[opts.d['width']]);

                if (typeof opts[opts.d['width']] == 'number' && fullS < opts[opts.d['width']]) {
                    fullS = opts[opts.d['width']];
                }
                if (isVisible) $wrp.show();

                var visb = cf_getItemAdjustMinMax(Math.ceil(fullS / opts.items[opts.d['width']]), opts.items.visibleConf);
                if (visb > all_itm.length) {
                    visb = all_itm.length;
                }

                var newS = Math.floor(fullS / visb),
                    seco = opts[opts.d['height']],
                    secp = ms_isPercentage(seco);

                all_itm.each(function () {
                    var $t = $(this),
                        nw = newS - ms_getPaddingBorderMargin($t, opts, 'Width');

                    $t[opts.d['width']](nw);
                    if (secp) {
                        $t[opts.d['height']](ms_getPercentage(nw, seco));
                    }
                });

                opts.items.visible = visb;
                opts.items[opts.d['width']] = newS;
                opts[opts.d['width']] = visb * newS;

            } else {

                opts.padding = cf_getPadding(opts.padding);

                if (opts.align == 'top') opts.align = 'left';
                if (opts.align == 'bottom') opts.align = 'right';


                switch (opts.align) {
                    //	align: center, left or right
                    case 'center':
                    case 'left':
                    case 'right':
                        if (opts[opts.d['width']] != 'variable') {
                            var p = cf_getAlignPadding(gi_getCurrentItems(all_itm, opts), opts);
                            opts.usePadding = true;
                            opts.padding[opts.d[1]] = p[1];
                            opts.padding[opts.d[3]] = p[0];
                        }
                        break;

                    //	padding
                    default:
                        opts.align = false;
                        opts.usePadding = (
                            opts.padding[0] == 0 &&
                            opts.padding[1] == 0 &&
                            opts.padding[2] == 0 &&
                            opts.padding[3] == 0
                        ) ? false : true;
                        break;
                }
            }

            if (typeof opts.cookie == 'boolean' && opts.cookie) opts.cookie = 'caroufredsel_cookie_' + $cfs.attr('id');
            if (typeof opts.items.minimum != 'number') opts.items.minimum = opts.items.visible;
            if (typeof opts.scroll.duration != 'number') opts.scroll.duration = 500;
            if (typeof opts.scroll.items == 'undefined') opts.scroll.items = (opts.items.visibleConf.variable || opts.items.filter != '*') ? 'visible' : opts.items.visible;

            opts.auto = go_getNaviObject($tt0, opts.auto, 'auto');
            opts.prev = go_getNaviObject($tt0, opts.prev);
            opts.next = go_getNaviObject($tt0, opts.next);
            opts.pagination = go_getNaviObject($tt0, opts.pagination, 'pagination');

            opts.auto = $.extend(true, {}, opts.scroll, opts.auto);
            opts.prev = $.extend(true, {}, opts.scroll, opts.prev);
            opts.next = $.extend(true, {}, opts.scroll, opts.next);
            opts.pagination = $.extend(true, {}, opts.scroll, opts.pagination);

            if (typeof opts.pagination.keys != 'boolean') opts.pagination.keys = false;
            if (typeof opts.pagination.anchorBuilder != 'function'
                && opts.pagination.anchorBuilder !== false) opts.pagination.anchorBuilder = $.fn.carouFredSel.pageAnchorBuilder;
            if (typeof opts.auto.play != 'boolean') opts.auto.play = true;
            if (typeof opts.auto.delay != 'number') opts.auto.delay = 0;
            if (typeof opts.auto.pauseOnEvent == 'undefined') opts.auto.pauseOnEvent = true;
            if (typeof opts.auto.pauseOnResize != 'boolean') opts.auto.pauseOnResize = true;
            if (typeof opts.auto.pauseDuration != 'number') opts.auto.pauseDuration = (opts.auto.duration < 10) ? 2500 : opts.auto.duration * 5;

            if (opts.synchronise) {
                opts.synchronise = cf_getSynchArr(opts.synchronise);
            }
            if (conf.debug) {
                debug(conf, 'Carousel width: ' + opts.width);
                debug(conf, 'Carousel height: ' + opts.height);
                if (opts.maxDimention) debug(conf, 'Available ' + opts.d['width'] + ': ' + opts.maxDimention);
                debug(conf, 'Item widths: ' + opts.items.width);
                debug(conf, 'Item heights: ' + opts.items.height);
                debug(conf, 'Number of items visible: ' + opts.items.visible);
                if (opts.auto.play) debug(conf, 'Number of items scrolled automatically: ' + opts.auto.items);
                if (opts.prev.button) debug(conf, 'Number of items scrolled backward: ' + opts.prev.items);
                if (opts.next.button) debug(conf, 'Number of items scrolled forward: ' + opts.next.items);
            }
        };	//	/init

        $cfs._cfs_build = function () {
            $cfs.data('cfs_isCarousel', true);

            var orgCSS = {
                'textAlign': $cfs.css('textAlign'),
                'float': $cfs.css('float'),
                'position': $cfs.css('position'),
                'top': $cfs.css('top'),
                'right': $cfs.css('right'),
                'bottom': $cfs.css('bottom'),
                'left': $cfs.css('left'),
                'width': $cfs.css('width'),
                'height': $cfs.css('height'),
                'marginTop': $cfs.css('marginTop'),
                'marginRight': $cfs.css('marginRight'),
                'marginBottom': $cfs.css('marginBottom'),
                'marginLeft': $cfs.css('marginLeft')
            };

            switch (orgCSS.position) {
                case 'absolute':
                    var newPosition = 'absolute';
                    break;
                case 'fixed':
                    var newPosition = 'fixed';
                    break;
                default:
                    var newPosition = 'relative';
            }

            $wrp.css(orgCSS).css({
                'overflow': 'hidden',
                'position': newPosition
            });

            $cfs.data('cfs_origCss', orgCSS).css({
                'textAlign': 'left',
                'float': 'none',
                'position': 'absolute',
                'top': 0,
                'left': 0,
                'marginTop': 0,
                'marginRight': 0,
                'marginBottom': 0,
                'marginLeft': 0
            });

            if (opts.usePadding) {
                $cfs.children().each(function () {
                    var m = parseInt($(this).css(opts.d['marginRight']));
                    if (isNaN(m)) m = 0;
                    $(this).data('cfs_origCssMargin', m);
                });
            }

        };	//	/build

        $cfs._cfs_bind_events = function () {
            $cfs._cfs_unbind_events();

            //	stop event
            $cfs.bind(cf_e('stop', conf), function (e, imm) {
                e.stopPropagation();

                //	button
                if (!crsl.isStopped) {
                    if (opts.auto.button) {
                        opts.auto.button.addClass(cf_c('stopped', conf));
                    }
                }

                //	set stopped
                crsl.isStopped = true;

                if (opts.auto.play) {
                    opts.auto.play = false;
                    $cfs.trigger(cf_e('pause', conf), imm);
                }
                return true;
            });

            //	finish event
            $cfs.bind(cf_e('finish', conf), function (e) {
                e.stopPropagation();
                if (crsl.isScrolling) {
                    sc_stopScroll(scrl);
                }
                return true;
            });

            //	pause event
            $cfs.bind(cf_e('pause', conf), function (e, imm, res) {
                e.stopPropagation();
                tmrs = sc_clearTimers(tmrs);

                //	immediately pause
                if (imm && crsl.isScrolling) {
                    scrl.isStopped = true;
                    var nst = getTime() - scrl.startTime;
                    scrl.duration -= nst;
                    if (scrl.pre) scrl.pre.duration -= nst;
                    if (scrl.post) scrl.post.duration -= nst;
                    sc_stopScroll(scrl, false);
                }

                //	update remaining pause-time
                if (!crsl.isPaused && !crsl.isScrolling) {
                    if (res) tmrs.timePassed += getTime() - tmrs.startTime;
                }

                //	button
                if (!crsl.isPaused) {
                    if (opts.auto.button) {
                        opts.auto.button.addClass(cf_c('paused', conf));
                    }
                }

                //	set paused
                crsl.isPaused = true;

                //	pause pause callback
                if (opts.auto.onPausePause) {
                    var dur1 = opts.auto.pauseDuration - tmrs.timePassed,
                        perc = 100 - Math.ceil(dur1 * 100 / opts.auto.pauseDuration);
                    opts.auto.onPausePause.call($tt0, perc, dur1);
                }
                return true;
            });

            //	play event
            $cfs.bind(cf_e('play', conf), function (e, dir, del, res) {
                e.stopPropagation();
                tmrs = sc_clearTimers(tmrs);

                //	sort params
                var v = [dir, del, res],
                    t = ['string', 'number', 'boolean'],
                    a = cf_sortParams(v, t);

                var dir = a[0],
                    del = a[1],
                    res = a[2];

                if (dir != 'prev' && dir != 'next') dir = crsl.direction;
                if (typeof del != 'number') del = 0;
                if (typeof res != 'boolean') res = false;

                //	stopped?
                if (res) {
                    crsl.isStopped = false;
                    opts.auto.play = true;
                }
                if (!opts.auto.play) {
                    e.stopImmediatePropagation();
                    return debug(conf, 'Carousel stopped: Not scrolling.');
                }

                //	button
                if (crsl.isPaused) {
                    if (opts.auto.button) {
                        opts.auto.button.removeClass(cf_c('stopped', conf));
                        opts.auto.button.removeClass(cf_c('paused', conf));
                    }
                }

                //	set playing
                crsl.isPaused = false;
                tmrs.startTime = getTime();

                //	timeout the scrolling
                var dur1 = opts.auto.pauseDuration + del;
                dur2 = dur1 - tmrs.timePassed;
                perc = 100 - Math.ceil(dur2 * 100 / dur1);

                tmrs.auto = setTimeout(function () {
                    if (opts.auto.onPauseEnd) {
                        opts.auto.onPauseEnd.call($tt0, perc, dur2);
                    }
                    if (crsl.isScrolling) {
                        $cfs.trigger(cf_e('play', conf), dir);
                    } else {
                        $cfs.trigger(cf_e(dir, conf), opts.auto);
                    }
                }, dur2);

                //	pause start callback
                if (opts.auto.onPauseStart) {
                    opts.auto.onPauseStart.call($tt0, perc, dur2);
                }

                return true;
            });

            //	resume event
            $cfs.bind(cf_e('resume', conf), function (e) {
                e.stopPropagation();
                if (scrl.isStopped) {
                    scrl.isStopped = false;
                    crsl.isPaused = false;
                    crsl.isScrolling = true;
                    scrl.startTime = getTime();
                    sc_startScroll(scrl);
                } else {
                    $cfs.trigger(cf_e('play', conf));
                }
                return true;
            });

            //	prev + next events
            $cfs.bind(cf_e('prev', conf) + ' ' + cf_e('next', conf), function (e, obj, num, clb) {
                e.stopPropagation();

                //	stopped or hidden carousel, don't scroll, don't queue
                if (crsl.isStopped || $cfs.is(':hidden')) {
                    e.stopImmediatePropagation();
                    return debug(conf, 'Carousel stopped or hidden: Not scrolling.');
                }

                //	not enough items
                if (opts.items.minimum >= itms.total) {
                    e.stopImmediatePropagation();
                    return debug(conf, 'Not enough items (' + itms.total + ', ' + opts.items.minimum + ' needed): Not scrolling.');
                }

                //	get config
                var v = [obj, num, clb],
                    t = ['object', 'number/string', 'function'],
                    a = cf_sortParams(v, t);

                var obj = a[0],
                    num = a[1],
                    clb = a[2];

                var eType = e.type.slice(conf.events.prefix.length);

                if (typeof obj != 'object' || obj == null) obj = opts[eType];
                if (typeof clb == 'function') obj.onAfter = clb;

                if (typeof num != 'number') {
                    if (opts.items.filter != '*') {
                        num = 'visible';
                    } else {
                        var arr = [num, obj.items, opts[eType].items];
                        for (var a = 0, l = arr.length; a < l; a++) {
                            if (typeof arr[a] == 'number' || arr[a] == 'page' || arr[a] == 'visible') {
                                num = arr[a];
                                break;
                            }
                        }
                    }
                    switch (num) {
                        case 'page':
                            e.stopImmediatePropagation();
                            return $cfs.triggerHandler(eType + 'Page', [obj, clb]);
                            break;

                        case 'visible':
                            if (!opts.items.visibleConf.variable && opts.items.filter == '*') {
                                num = opts.items.visible;
                            }
                            break;
                    }
                }

                //	resume animation, add current to queue
                if (scrl.isStopped) {
                    $cfs.trigger(cf_e('resume', conf));
                    $cfs.trigger(cf_e('queue', conf), [eType, [obj, num, clb]]);
                    e.stopImmediatePropagation();
                    return debug(conf, 'Carousel resumed scrolling.');
                }

                //	queue if scrolling
                if (obj.duration > 0) {
                    if (crsl.isScrolling) {
                        if (obj.queue) $cfs.trigger(cf_e('queue', conf), [eType, [obj, num, clb]]);
                        e.stopImmediatePropagation();
                        return debug(conf, 'Carousel currently scrolling.');
                    }
                }

                //	test conditions callback
                if (obj.conditions && !obj.conditions.call($tt0)) {
                    e.stopImmediatePropagation();
                    return debug(conf, 'Callback "conditions" returned false.');
                }

                tmrs.timePassed = 0;
                $cfs.trigger('_cfs_triggerEvent', ['slide_' + eType, [obj, num]]);

                //	synchronise
                if (opts.synchronise) {
                    var s = opts.synchronise,
                        c = [obj, num];
                    for (var j = 0, l = s.length; j < l; j++) {
                        var d = eType;

                        if (!s[j][1]) c[0] = s[j][0].triggerHandler('_cfs_triggerEvent', ['configuration', d]);
                        if (!s[j][2]) d = (d == 'prev') ? 'next' : 'prev';
                        c[1] = num + s[j][3];
                        s[j][0].trigger('_cfs_triggerEvent', ['slide_' + d, c]);
                    }
                }
                return true;
            });

            //	prev event
            $cfs.bind(cf_e('slide_prev', conf), function (e, sO, nI) {
                e.stopPropagation();
                var a_itm = $cfs.children();

                //	non-circular at start, scroll to end
                if (!opts.circular) {
                    if (itms.first == 0) {
                        if (opts.infinite) {
                            $cfs.trigger(cf_e('next', conf), itms.total - 1);
                        }
                        return e.stopImmediatePropagation();
                    }
                }

                if (opts.usePadding) sz_resetMargin(a_itm, opts);

                //	find number of items to scroll
                if (typeof nI != 'number') {
                    if (opts.items.visibleConf.variable) {
                        nI = gn_getVisibleItemsPrev(a_itm, opts, itms.total - 1);
                    } else if (opts.items.filter != '*') {
                        var xI = (typeof sO.items == 'number') ? sO.items : gn_getVisibleOrg($cfs, opts);
                        nI = gn_getScrollItemsPrevFilter(a_itm, opts, itms.total - 1, xI);
                    } else {
                        nI = opts.items.visible;
                    }
                    nI = cf_getAdjust(nI, opts, sO.items, $tt0);
                }

                //	prevent non-circular from scrolling to far
                if (!opts.circular) {
                    if (itms.total - nI < itms.first) {
                        nI = itms.total - itms.first;
                    }
                }

                //	set new number of visible items
                opts.items.visibleConf.old = opts.items.visible;
                if (opts.items.visibleConf.variable) {
                    var vI = gn_getVisibleItemsNext(a_itm, opts, itms.total - nI);
                    if (opts.items.visible + nI <= vI && nI < itms.total) {
                        nI++;
                        vI = gn_getVisibleItemsNext(a_itm, opts, itms.total - nI);
                    }
                    opts.items.visible = cf_getItemsAdjust(vI, opts, opts.items.visibleConf.adjust, $tt0);
                } else if (opts.items.filter != '*') {
                    var vI = gn_getVisibleItemsNextFilter(a_itm, opts, itms.total - nI);
                    opts.items.visible = cf_getItemsAdjust(vI, opts, opts.items.visibleConf.adjust, $tt0);
                }

                if (opts.usePadding) sz_resetMargin(a_itm, opts, true);

                //	scroll 0, don't scroll
                if (nI == 0) {
                    e.stopImmediatePropagation();
                    return debug(conf, '0 items to scroll: Not scrolling.');
                }
                debug(conf, 'Scrolling ' + nI + ' items backward.');

                //	save new config
                itms.first += nI;
                while (itms.first >= itms.total) {
                    itms.first -= itms.total;
                }

                //	non-circular callback
                if (!opts.circular) {
                    if (itms.first == 0 && sO.onEnd) sO.onEnd.call($tt0);
                    if (!opts.infinite) nv_enableNavi(opts, itms.first, conf);
                }

                //	rearrange items
                $cfs.children().slice(itms.total - nI, itms.total).prependTo($cfs);
                if (itms.total < opts.items.visible + nI) {
                    $cfs.children().slice(0, (opts.items.visible + nI) - itms.total).clone(true).appendTo($cfs);
                }

                //	the needed items
                var a_itm = $cfs.children(),
                    c_old = gi_getOldItemsPrev(a_itm, opts, nI),
                    c_new = gi_getNewItemsPrev(a_itm, opts),
                    l_cur = a_itm.eq(nI - 1),
                    l_old = c_old.last(),
                    l_new = c_new.last();

                if (opts.usePadding) sz_resetMargin(a_itm, opts);
                if (opts.align) {
                    var p = cf_getAlignPadding(c_new, opts),
                        pL = p[0],
                        pR = p[1];
                } else {
                    var pL = 0,
                        pR = 0;
                }
                var oL = (pL < 0) ? opts.padding[opts.d[3]] : 0;

                //	hide items for fx directscroll
                if (sO.fx == 'directscroll' && opts.items.visible < nI) {
                    var hiddenitems = a_itm.slice(opts.items.visibleConf.old, nI),
                        orgW = opts.items[opts.d['width']];
                    hiddenitems.each(function () {
                        var hi = $(this);
                        hi.data('isHidden', hi.is(':hidden')).hide();
                    });
                    opts.items[opts.d['width']] = 'variable';
                } else {
                    var hiddenitems = false;
                }

                //	save new sizes
                var i_siz = ms_getTotalSize(a_itm.slice(0, nI), opts, 'width'),
                    w_siz = cf_mapWrapperSizes(ms_getSizes(c_new, opts, true), opts, !opts.usePadding);

                if (hiddenitems) opts.items[opts.d['width']] = orgW;

                if (opts.usePadding) {
                    sz_resetMargin(a_itm, opts, true);
                    if (pR >= 0) {
                        sz_resetMargin(l_old, opts, opts.padding[opts.d[1]]);
                    }
                    sz_resetMargin(l_cur, opts, opts.padding[opts.d[3]]);
                }
                if (opts.align) {
                    opts.padding[opts.d[1]] = pR;
                    opts.padding[opts.d[3]] = pL;
                }

                //	animation configuration
                var a_cfs = {},
                    a_dur = sO.duration;

                if (sO.fx == 'none') a_dur = 0;
                else if (a_dur == 'auto') a_dur = opts.scroll.duration / opts.scroll.items * nI;
                else if (a_dur <= 0) a_dur = 0;
                else if (a_dur < 10) a_dur = i_siz / a_dur;

                scrl = sc_setScroll(a_dur, sO.easing);

                //	animate wrapper
                if (opts[opts.d['width']] == 'variable' || opts[opts.d['height']] == 'variable') {
                    scrl.anims.push([$wrp, w_siz]);
                }

                //	animate items
                if (opts.usePadding) {
                    var new_m = opts.padding[opts.d[3]];

                    if (l_new.not(l_cur).length) {
                        var a_cur = {};
                        a_cur[opts.d['marginRight']] = l_cur.data('cfs_origCssMargin');

                        if (pL < 0) l_cur.css(a_cur);
                        else scrl.anims.push([l_cur, a_cur]);
                    }

                    if (l_new.not(l_old).length) {
                        var a_old = {};
                        a_old[opts.d['marginRight']] = l_old.data('cfs_origCssMargin');
                        scrl.anims.push([l_old, a_old]);
                    }

                    if (pR >= 0) {
                        var a_new = {};
                        a_new[opts.d['marginRight']] = l_new.data('cfs_origCssMargin') + opts.padding[opts.d[1]];
                        scrl.anims.push([l_new, a_new]);
                    }
                } else {
                    var new_m = 0;
                }

                //	animate carousel
                a_cfs[opts.d['left']] = new_m;

                //	onBefore callback
                var args = [c_old, c_new, w_siz, a_dur];
                if (sO.onBefore) sO.onBefore.apply($tt0, args);
                clbk.onBefore = sc_callCallbacks(clbk.onBefore, $tt0, args);


                //	ALTERNATIVE EFFECTS

                //	extra animation arrays
                switch (sO.fx) {
                    case 'fade':
                    case 'crossfade':
                    case 'cover':
                    case 'uncover':
                        scrl.pre = sc_setScroll(scrl.duration, scrl.easing);
                        scrl.post = sc_setScroll(scrl.duration, scrl.easing);
                        scrl.duration = 0;
                        break;
                }

                //	create copy
                switch (sO.fx) {
                    case 'crossfade':
                    case 'cover':
                    case 'uncover':
                        var $cf2 = $cfs.clone().appendTo($wrp);
                        break;
                }
                switch (sO.fx) {
                    case 'uncover':
                        $cf2.children().slice(0, nI).remove();
                    case 'crossfade':
                    case 'cover':
                        $cf2.children().slice(opts.items.visible).remove();
                        break;
                }

                //	animations
                switch (sO.fx) {
                    case 'fade':
                        scrl.pre.anims.push([$cfs, {'opacity': 0}]);
                        break;
                    case 'crossfade':
                        $cf2.css({'opacity': 0});
                        scrl.pre.anims.push([$cfs, {'width': '+=0'}, function () {
                            $cf2.remove();
                        }]);
                        scrl.post.anims.push([$cf2, {'opacity': 1}]);
                        break;
                    case 'cover':
                        scrl = fx_cover(scrl, $cfs, $cf2, opts, true);
                        break;
                    case 'uncover':
                        scrl = fx_uncover(scrl, $cfs, $cf2, opts, true, nI);
                        break;
                }

                //	/ALTERNATIVE EFFECTS


                //	complete callback
                var a_complete = function () {

                    var overFill = opts.items.visible + nI - itms.total;
                    if (overFill > 0) {
                        $cfs.children().slice(itms.total).remove();
                        c_old = $($cfs.children().slice(itms.total - (opts.items.visible - overFill)).get().concat($cfs.children().slice(0, overFill).get()));
                    }
                    if (hiddenitems) {
                        hiddenitems.each(function () {
                            var hi = $(this);
                            if (!hi.data('isHidden')) hi.show();
                        });
                    }
                    if (opts.usePadding) {
                        var l_itm = $cfs.children().eq(opts.items.visible + nI - 1);
                        l_itm.css(opts.d['marginRight'], l_itm.data('cfs_origCssMargin'));
                    }

                    scrl.anims = [];
                    if (scrl.pre) scrl.pre = sc_setScroll(scrl.orgDuration, scrl.easing);

                    var fn = function () {
                        switch (sO.fx) {
                            case 'fade':
                            case 'crossfade':
                                $cfs.css('filter', '');
                                break;
                        }

                        scrl.post = sc_setScroll(0, null);
                        crsl.isScrolling = false;

                        var args = [c_old, c_new, w_siz];
                        if (sO.onAfter) sO.onAfter.apply($tt0, args);
                        clbk.onAfter = sc_callCallbacks(clbk.onAfter, $tt0, args);

                        if (queu.length) {
                            $cfs.trigger(cf_e(queu[0][0], conf), queu[0][1]);
                            queu.shift();
                        }
                        if (!crsl.isPaused) $cfs.trigger(cf_e('play', conf));
                    };
                    switch (sO.fx) {
                        case 'fade':
                            scrl.pre.anims.push([$cfs, {'opacity': 1}, fn]);
                            sc_startScroll(scrl.pre);
                            break;
                        case 'uncover':
                            scrl.pre.anims.push([$cfs, {'width': '+=0'}, fn]);
                            sc_startScroll(scrl.pre);
                            break;
                        default:
                            fn();
                            break;
                    }
                };

                scrl.anims.push([$cfs, a_cfs, a_complete]);
                crsl.isScrolling = true;
                $cfs.css(opts.d['left'], -(i_siz - oL));
                tmrs = sc_clearTimers(tmrs);
                sc_startScroll(scrl);
                cf_setCookie(opts.cookie, $cfs.triggerHandler(cf_e('currentPosition', conf)));

                $cfs.trigger(cf_e('updatePageStatus', conf), [false, w_siz]);

                return true;
            });

            //	next event
            $cfs.bind(cf_e('slide_next', conf), function (e, sO, nI) {
                e.stopPropagation();
                var a_itm = $cfs.children();

                //	non-circular at end, scroll to start
                if (!opts.circular) {
                    if (itms.first == opts.items.visible) {
                        if (opts.infinite) {
                            $cfs.trigger(cf_e('prev', conf), itms.total - 1);
                        }
                        return e.stopImmediatePropagation();
                    }
                }

                if (opts.usePadding) sz_resetMargin(a_itm, opts);

                //	find number of items to scroll
                if (typeof nI != 'number') {
                    if (opts.items.filter != '*') {
                        var xI = (typeof sO.items == 'number') ? sO.items : gn_getVisibleOrg($cfs, opts);
                        nI = gn_getScrollItemsNextFilter(a_itm, opts, 0, xI);
                    } else {
                        nI = opts.items.visible;
                    }
                    nI = cf_getAdjust(nI, opts, sO.items, $tt0);
                }

                var lastItemNr = (itms.first == 0) ? itms.total : itms.first;

                //	prevent non-circular from scrolling to far
                if (!opts.circular) {
                    if (opts.items.visibleConf.variable) {
                        var vI = gn_getVisibleItemsNext(a_itm, opts, nI),
                            xI = gn_getVisibleItemsPrev(a_itm, opts, lastItemNr - 1);
                    } else {
                        var vI = opts.items.visible,
                            xI = opts.items.visible;
                    }

                    if (nI + vI > lastItemNr) {
                        nI = lastItemNr - xI;
                    }
                }

                //	set new number of visible items
                opts.items.visibleConf.old = opts.items.visible;
                if (opts.items.visibleConf.variable) {
                    var vI = gn_getVisibleItemsNextTestCircular(a_itm, opts, nI, lastItemNr);
                    while (opts.items.visible - nI >= vI && nI < itms.total) {
                        nI++;
                        vI = gn_getVisibleItemsNextTestCircular(a_itm, opts, nI, lastItemNr);
                    }
                    opts.items.visible = cf_getItemsAdjust(vI, opts, opts.items.visibleConf.adjust, $tt0);
                } else if (opts.items.filter != '*') {
                    var vI = gn_getVisibleItemsNextFilter(a_itm, opts, nI);
                    opts.items.visible = cf_getItemsAdjust(vI, opts, opts.items.visibleConf.adjust, $tt0);
                }

                if (opts.usePadding) sz_resetMargin(a_itm, opts, true);

                //	scroll 0, don't scroll
                if (nI == 0) {
                    e.stopImmediatePropagation();
                    return debug(conf, '0 items to scroll: Not scrolling.');
                }
                debug(conf, 'Scrolling ' + nI + ' items forward.');

                //	save new config
                itms.first -= nI;
                while (itms.first < 0) {
                    itms.first += itms.total;
                }

                //	non-circular callback
                if (!opts.circular) {
                    if (itms.first == opts.items.visible && sO.onEnd) sO.onEnd.call($tt0);
                    if (!opts.infinite) nv_enableNavi(opts, itms.first, conf);
                }

                //	rearrange items
                if (itms.total < opts.items.visible + nI) {
                    $cfs.children().slice(0, (opts.items.visible + nI) - itms.total).clone(true).appendTo($cfs);
                }

                //	the needed items
                var a_itm = $cfs.children(),
                    c_old = gi_getOldItemsNext(a_itm, opts),
                    c_new = gi_getNewItemsNext(a_itm, opts, nI),
                    l_cur = a_itm.eq(nI - 1),
                    l_old = c_old.last(),
                    l_new = c_new.last();

                if (opts.usePadding) sz_resetMargin(a_itm, opts);
                if (opts.align) {
                    var p = cf_getAlignPadding(c_new, opts),
                        pL = p[0],
                        pR = p[1];
                } else {
                    var pL = 0,
                        pR = 0;
                }

                //	hide items for fx directscroll
                if (sO.fx == 'directscroll' && opts.items.visibleConf.old < nI) {
                    var hiddenitems = a_itm.slice(opts.items.visibleConf.old, nI),
                        orgW = opts.items[opts.d['width']];
                    hiddenitems.each(function () {
                        var hi = $(this);
                        hi.data('isHidden', hi.is(':hidden')).hide();
                    });
                    opts.items[opts.d['width']] = 'variable';
                } else {
                    var hiddenitems = false;
                }

                //	save new sizes
                var i_siz = ms_getTotalSize(a_itm.slice(0, nI), opts, 'width'),
                    w_siz = cf_mapWrapperSizes(ms_getSizes(c_new, opts, true), opts, !opts.usePadding);

                if (hiddenitems) opts.items[opts.d['width']] = orgW;

                if (opts.align) {
                    if (opts.padding[opts.d[1]] < 0) {
                        opts.padding[opts.d[1]] = 0;
                    }
                }
                if (opts.usePadding) {
                    sz_resetMargin(a_itm, opts, true);
                    sz_resetMargin(l_old, opts, opts.padding[opts.d[1]]);
                }
                if (opts.align) {
                    opts.padding[opts.d[1]] = pR;
                    opts.padding[opts.d[3]] = pL;
                }

                //	animation configuration
                var a_cfs = {},
                    a_dur = sO.duration;

                if (sO.fx == 'none') a_dur = 0;
                else if (a_dur == 'auto') a_dur = opts.scroll.duration / opts.scroll.items * nI;
                else if (a_dur <= 0) a_dur = 0;
                else if (a_dur < 10) a_dur = i_siz / a_dur;

                scrl = sc_setScroll(a_dur, sO.easing);

                //	animate wrapper
                if (opts[opts.d['width']] == 'variable' || opts[opts.d['height']] == 'variable') {
                    scrl.anims.push([$wrp, w_siz]);
                }

                //	animate items
                if (opts.usePadding) {
                    var l_new_m = l_new.data('cfs_origCssMargin');
                    if (pR >= 0) {
                        l_new_m += opts.padding[opts.d[1]];
                    }
                    l_new.css(opts.d['marginRight'], l_new_m);

                    if (l_cur.not(l_old).length) {
                        var a_old = {};
                        a_old[opts.d['marginRight']] = l_old.data('cfs_origCssMargin');
                        scrl.anims.push([l_old, a_old]);
                    }

                    var c_new_m = l_cur.data('cfs_origCssMargin');
                    if (pL >= 0) {
                        c_new_m += opts.padding[opts.d[3]];
                    }
                    var a_cur = {};
                    a_cur[opts.d['marginRight']] = c_new_m;
                    scrl.anims.push([l_cur, a_cur]);

                }

                //	animate carousel
                a_cfs[opts.d['left']] = -i_siz;
                if (pL < 0) {
                    a_cfs[opts.d['left']] += pL;
                }

                //	onBefore callback
                var args = [c_old, c_new, w_siz, a_dur];
                if (sO.onBefore) sO.onBefore.apply($tt0, args);
                clbk.onBefore = sc_callCallbacks(clbk.onBefore, $tt0, args);


                //	ALTERNATIVE EFFECTS

                //	extra animation arrays
                switch (sO.fx) {
                    case 'fade':
                    case 'crossfade':
                    case 'cover':
                    case 'uncover':
                        scrl.pre = sc_setScroll(scrl.duration, scrl.easing);
                        scrl.post = sc_setScroll(scrl.duration, scrl.easing);
                        scrl.duration = 0;
                        break;
                }

                //	create copy
                switch (sO.fx) {
                    case 'crossfade':
                    case 'cover':
                    case 'uncover':
                        var $cf2 = $cfs.clone().appendTo($wrp);
                        break;
                }
                switch (sO.fx) {
                    case 'uncover':
                        $cf2.children().slice(opts.items.visibleConf.old).remove();
                        break;
                    case 'crossfade':
                    case 'cover':
                        $cf2.children().slice(0, nI).remove();
                        $cf2.children().slice(opts.items.visible).remove();
                        break;
                }

                //	animations
                switch (sO.fx) {
                    case 'fade':
                        scrl.pre.anims.push([$cfs, {'opacity': 0}]);
                        break;
                    case 'crossfade':
                        $cf2.css({'opacity': 0});
                        scrl.pre.anims.push([$cfs, {'width': '+=0'}, function () {
                            $cf2.remove();
                        }]);
                        scrl.post.anims.push([$cf2, {'opacity': 1}]);
                        break;
                    case 'cover':
                        scrl = fx_cover(scrl, $cfs, $cf2, opts, false);
                        break;
                    case 'uncover':
                        scrl = fx_uncover(scrl, $cfs, $cf2, opts, false, nI);
                        break;
                }

                //	/ALTERNATIVE EFFECTS


                //	complete callback
                var a_complete = function () {

                    var overFill = opts.items.visible + nI - itms.total,
                        new_m = (opts.usePadding) ? opts.padding[opts.d[3]] : 0;
                    $cfs.css(opts.d['left'], new_m);
                    if (overFill > 0) {
                        $cfs.children().slice(itms.total).remove();
                    }
                    var l_itm = $cfs.children().slice(0, nI).appendTo($cfs).last();
                    if (overFill > 0) {
                        c_new = gi_getCurrentItems(a_itm, opts);
                    }
                    if (hiddenitems) {
                        hiddenitems.each(function () {
                            var hi = $(this);
                            if (!hi.data('isHidden')) hi.show();
                        });
                    }
                    if (opts.usePadding) {
                        if (itms.total < opts.items.visible + nI) {
                            var l_cur = $cfs.children().eq(opts.items.visible - 1);
                            l_cur.css(opts.d['marginRight'], l_cur.data('cfs_origCssMargin') + opts.padding[opts.d[3]]);
                        }
                        l_itm.css(opts.d['marginRight'], l_itm.data('cfs_origCssMargin'));
                    }

                    scrl.anims = [];
                    if (scrl.pre) scrl.pre = sc_setScroll(scrl.orgDuration, scrl.easing);

                    var fn = function () {
                        switch (sO.fx) {
                            case 'fade':
                            case 'crossfade':
                                $cfs.css('filter', '');
                                break;
                        }

                        scrl.post = sc_setScroll(0, null);
                        crsl.isScrolling = false;

                        var args = [c_old, c_new, w_siz];
                        if (sO.onAfter) sO.onAfter.apply($tt0, args);
                        clbk.onAfter = sc_callCallbacks(clbk.onAfter, $tt0, args);

                        if (queu.length) {
                            $cfs.trigger(cf_e(queu[0][0], conf), queu[0][1]);
                            queu.shift();
                        }
                        if (!crsl.isPaused) $cfs.trigger(cf_e('play', conf));
                    };
                    switch (sO.fx) {
                        case 'fade':
                            scrl.pre.anims.push([$cfs, {'opacity': 1}, fn]);
                            sc_startScroll(scrl.pre);
                            break;
                        case 'uncover':
                            scrl.pre.anims.push([$cfs, {'width': '+=0'}, fn]);
                            sc_startScroll(scrl.pre);
                            break;
                        default:
                            fn();
                            break;
                    }
                };

                scrl.anims.push([$cfs, a_cfs, a_complete]);
                crsl.isScrolling = true;
                tmrs = sc_clearTimers(tmrs);
                sc_startScroll(scrl);
                cf_setCookie(opts.cookie, $cfs.triggerHandler(cf_e('currentPosition', conf)));

                $cfs.trigger(cf_e('updatePageStatus', conf), [false, w_siz]);

                return true;
            });

            //	slideTo event
            $cfs.bind(cf_e('slideTo', conf), function (e, num, dev, org, obj, dir, clb) {
                e.stopPropagation();

                var v = [num, dev, org, obj, dir, clb],
                    t = ['string/number/object', 'number', 'boolean', 'object', 'string', 'function'],
                    a = cf_sortParams(v, t);

                var obj = a[3],
                    dir = a[4],
                    clb = a[5];

                num = gn_getItemIndex(a[0], a[1], a[2], itms, $cfs);

                if (num == 0) return;
                if (typeof obj != 'object') obj = false;

                if (crsl.isScrolling) {
                    if (typeof obj != 'object' || obj.duration > 0) return false;
                }

                if (dir != 'prev' && dir != 'next') {
                    if (opts.circular) {
                        if (num <= itms.total / 2) dir = 'next';
                        else dir = 'prev';
                    } else {
                        if (itms.first == 0 ||
                            itms.first > num) dir = 'next';
                        else dir = 'prev';
                    }
                }

                if (dir == 'prev') num = itms.total - num;
                $cfs.trigger(cf_e(dir, conf), [obj, num, clb]);

                return true;
            });

            //	prevPage event
            $cfs.bind(cf_e('prevPage', conf), function (e, obj, clb) {
                e.stopPropagation();
                var cur = $cfs.triggerHandler(cf_e('currentPage', conf));
                return $cfs.triggerHandler(cf_e('slideToPage', conf), [cur - 1, obj, 'prev', clb]);
            });

            //	nextPage event
            $cfs.bind(cf_e('nextPage', conf), function (e, obj, clb) {
                e.stopPropagation();
                var cur = $cfs.triggerHandler(cf_e('currentPage', conf));
                return $cfs.triggerHandler(cf_e('slideToPage', conf), [cur + 1, obj, 'next', clb]);
            });

            //	slideToPage event
            $cfs.bind(cf_e('slideToPage', conf), function (e, pag, obj, dir, clb) {
                e.stopPropagation();
                if (typeof pag != 'number') pag = $cfs.triggerHandler(cf_e('currentPage', conf));
                var ipp = opts.pagination.items || opts.items.visible,
                    max = Math.ceil(itms.total / ipp) - 1;
                if (pag < 0) pag = max;
                if (pag > max) pag = 0;
                return $cfs.triggerHandler(cf_e('slideTo', conf), [pag * ipp, 0, true, obj, dir, clb]);
            });

            //	jumpToStart event
            $cfs.bind(cf_e('jumpToStart', conf), function (e, s) {
                e.stopPropagation();
                if (s) s = gn_getItemIndex(s, 0, true, itms, $cfs);
                else s = 0;

                s += itms.first;
                if (s != 0) {
                    while (s > itms.total) s -= itms.total;
                    $cfs.prepend($cfs.children().slice(s, itms.total));
                }
                return true;
            });

            //	synchronise event
            $cfs.bind(cf_e('synchronise', conf), function (e, s) {
                e.stopPropagation();
                if (s) s = cf_getSynchArr(s);
                else if (opts.synchronise) s = opts.synchronise;
                else return debug(conf, 'No carousel to synchronise.');

                var n = $cfs.triggerHandler(cf_e('currentPosition', conf)),
                    x = true;
                for (var j = 0, l = s.length; j < l; j++) {
                    if (!s[j][0].triggerHandler(cf_e('slideTo', conf), [n, s[j][3], true])) {
                        x = false;
                    }
                }
                return x;
            });

            //	queue event
            $cfs.bind(cf_e('queue', conf), function (e, dir, opt) {
                e.stopPropagation();
                if (typeof dir == 'function') {
                    dir.call($tt0, queu);
                } else if (is_array(dir)) {
                    queu = dir;
                } else if (typeof dir != 'undefined') {
                    queu.push([dir, opt]);
                }
                return queu;
            });

            //	insertItem event
            $cfs.bind(cf_e('insertItem', conf), function (e, itm, num, org, dev) {
                e.stopPropagation();

                var v = [itm, num, org, dev],
                    t = ['string/object', 'string/number/object', 'boolean', 'number'],
                    a = cf_sortParams(v, t);

                var itm = a[0],
                    num = a[1],
                    org = a[2],
                    dev = a[3];

                if (typeof itm == 'object' &&
                    typeof itm.jquery == 'undefined') itm = $(itm);
                if (typeof itm == 'string') itm = $(itm);
                if (typeof itm != 'object' ||
                    typeof itm.jquery == 'undefined' ||
                    itm.length == 0) return debug(conf, 'Not a valid object.');

                if (typeof num == 'undefined') num = 'end';

                if (opts.usePadding) {
                    itm.each(function () {
                        var m = parseInt($(this).css(opts.d['marginRight']));
                        if (isNaN(m)) m = 0;
                        $(this).data('cfs_origCssMargin', m);
                    });
                }

                var orgNum = num,
                    before = 'before';

                if (num == 'end') {
                    if (org) {
                        if (itms.first == 0) {
                            num = itms.total - 1;
                            before = 'after';
                        } else {
                            num = itms.first;
                            itms.first += itm.length;
                        }
                        if (num < 0) num = 0;
                    } else {
                        num = itms.total - 1;
                        before = 'after';
                    }
                } else {
                    num = gn_getItemIndex(num, dev, org, itms, $cfs);
                }
                if (orgNum != 'end' && !org) {
                    if (num < itms.first) itms.first += itm.length;
                }
                if (itms.first >= itms.total) itms.first -= itms.total;

                var $cit = $cfs.children().eq(num);
                if ($cit.length) {
                    $cit[before](itm);
                } else {
                    $cfs.append(itm);
                }

                itms.total = $cfs.children().length;

                var sz = $cfs.triggerHandler('updateSizes');
                nv_showNavi(opts, itms.total, conf);
                nv_enableNavi(opts, itms.first, conf);
                $cfs.trigger(cf_e('linkAnchors', conf));
                $cfs.trigger(cf_e('updatePageStatus', conf), [true, sz]);

                return true;
            });

            //	removeItem event
            $cfs.bind(cf_e('removeItem', conf), function (e, num, org, dev) {
                e.stopPropagation();

                var v = [num, org, dev],
                    t = ['string/number/object', 'boolean', 'number'],
                    a = cf_sortParams(v, t);

                num = a[0];
                org = a[1];
                dev = a[2];

                var removed = false;
                if (num instanceof $ && num.length > 1) {
                    $removed = $();
                    num.each(function (i, el) {
                        var $rem = $cfs.trigger(cf_e('removeItem', conf), [$(this), org, dev]);
                        if ($rem) $removed = $removed.add($rem);
                    });
                    return $removed;
                }

                if (typeof num == 'undefined' || num == 'end') {
                    $removed = $cfs.children().last();
                } else {
                    num = gn_getItemIndex(num, dev, org, itms, $cfs);
                    var $removed = $cfs.children().eq(num);
                    if ($removed.length) {
                        if (num < itms.first) itms.first -= $removed.length;
                    }
                }
                if ($removed && $removed.length) {
                    $removed.detach();
                    itms.total = $cfs.children().length;
                    var sz = $cfs.triggerHandler('updateSizes');
                    nv_showNavi(opts, itms.total, conf);
                    nv_enableNavi(opts, itms.first, conf);
                    $cfs.trigger(cf_e('updatePageStatus', conf), [true, sz]);
                }

                return $removed;
            });

            //	onBefore and onAfter event
            $cfs.bind(cf_e('onBefore', conf) + ' ' + cf_e('onAfter', conf), function (e, fn) {
                e.stopPropagation();
                var eType = e.type.slice(conf.events.prefix.length);
                if (is_array(fn)) clbk[eType] = fn;
                if (typeof fn == 'function') clbk[eType].push(fn);
                return clbk[eType];
            });

            //	currentPosition event
            $cfs.bind(cf_e('currentPosition', conf), function (e, fn) {
                e.stopPropagation();
                if (itms.first == 0) var val = 0;
                else var val = itms.total - itms.first;
                if (typeof fn == 'function') fn.call($tt0, val);
                return val;
            });

            //	currentPage event
            $cfs.bind(cf_e('currentPage', conf), function (e, fn) {
                e.stopPropagation();
                var ipp = opts.pagination.items || opts.items.visible;
                var max = Math.ceil(itms.total / ipp - 1);
                if (itms.first == 0) var nr = 0;
                else if (itms.first < itms.total % ipp) var nr = 0;
                else if (itms.first == ipp && !opts.circular) var nr = max;
                else var nr = Math.round((itms.total - itms.first) / ipp);
                if (nr < 0) nr = 0;
                if (nr > max) nr = max;
                if (typeof fn == 'function') fn.call($tt0, nr);
                return nr;
            });

            //	currentVisible event
            $cfs.bind(cf_e('currentVisible', conf), function (e, fn) {
                e.stopPropagation();
                $i = gi_getCurrentItems($cfs.children(), opts);
                if (typeof fn == 'function') fn.call($tt0, $i);
                return $i;
            });

            //	slice event
            $cfs.bind(cf_e('slice', conf), function (e, f, l, fn) {
                e.stopPropagation();

                if (itms.total == 0) return false;

                var v = [f, l, fn],
                    t = ['number', 'number', 'function'],
                    a = cf_sortParams(v, t);

                f = (typeof a[0] == 'number') ? a[0] : 0;
                l = (typeof a[1] == 'number') ? a[1] : itms.total;
                fn = a[2];

                f += itms.first;
                l += itms.first;

                while (f > itms.total) {
                    f -= itms.total;
                }
                while (l > itms.total) {
                    l -= itms.total;
                }
                while (f < 0) {
                    f += itms.total;
                }
                while (l < 0) {
                    l += itms.total;
                }

                var $iA = $cfs.children();

                if (l > f) {
                    var $i = $iA.slice(f, l);
                } else {
                    var $i = $($iA.slice(f, itms.total).get().concat($iA.slice(0, l).get()));
                }

                if (typeof fn == 'function') fn.call($tt0, $i);
                return $i;
            });

            //	isPaused, isStopped and isScrolling events
            $cfs.bind(cf_e('isPaused', conf) + ' ' + cf_e('isStopped', conf) + ' ' + cf_e('isScrolling', conf), function (e, fn) {
                e.stopPropagation();
                var eType = e.type.slice(conf.events.prefix.length);
                if (typeof fn == 'function') fn.call($tt0, crsl[eType]);
                return crsl[eType];
            });

            //	configuration event
            $cfs.bind(cf_e('configuration', conf), function (e, a, b, c) {
                e.stopPropagation();
                var reInit = false;

                //	return entire configuration-object
                if (typeof a == 'function') {
                    a.call($tt0, opts);

                    //	set multiple options via object
                } else if (typeof a == 'object') {
                    opts_orig = $.extend(true, {}, opts_orig, a);
                    if (b !== false) reInit = true;
                    else opts = $.extend(true, {}, opts, a);

                } else if (typeof a != 'undefined') {

                    //	callback function for specific option
                    if (typeof b == 'function') {
                        var val = eval('opts.' + a);
                        if (typeof val == 'undefined') val = '';
                        b.call($tt0, val);

                        //	set individual option
                    } else if (typeof b != 'undefined') {
                        if (typeof c !== 'boolean') c = true;
                        eval('opts_orig.' + a + ' = b');
                        if (c !== false) reInit = true;
                        else eval('opts.' + a + ' = b');

                        //	return value for specific option
                    } else {
                        return eval('opts.' + a);
                    }
                }
                if (reInit) {
                    sz_resetMargin($cfs.children(), opts);
                    $cfs._cfs_init(opts_orig);
                    $cfs._cfs_bind_buttons();
                    var siz = sz_setSizes($cfs, opts, false);
                    $cfs.trigger(cf_e('updatePageStatus', conf), [true, siz]);
                }
                return opts;
            });

            //	linkAnchors event
            $cfs.bind(cf_e('linkAnchors', conf), function (e, $con, sel) {
                e.stopPropagation();
                if (typeof $con == 'undefined' || $con.length == 0) $con = $('body');
                else if (typeof $con == 'string') $con = $($con);
                if (typeof $con != 'object') return debug(conf, 'Not a valid object.');
                if (typeof sel != 'string' || sel.length == 0) sel = 'a.caroufredsel';
                $con.find(sel).each(function () {
                    var h = this.hash || '';
                    if (h.length > 0 && $cfs.children().index($(h)) != -1) {
                        $(this).unbind('click').click(function (e) {
                            e.preventDefault();
                            $cfs.trigger(cf_e('slideTo', conf), h);
                        });
                    }
                });
                return true;
            });

            //	updatePageStatus event
            $cfs.bind(cf_e('updatePageStatus', conf), function (e, build, sizes) {
                e.stopPropagation();
                if (!opts.pagination.container) return;

                if (build) {
                    var ipp = opts.pagination.items || opts.items.visible,
                        l = Math.ceil(itms.total / ipp);

                    if (opts.pagination.anchorBuilder) {
                        opts.pagination.container.children().remove();
                        opts.pagination.container.each(function () {
                            for (var a = 0; a < l; a++) {
                                var i = $cfs.children().eq(gn_getItemIndex(a * ipp, 0, true, itms, $cfs));
                                $(this).append(opts.pagination.anchorBuilder(a + 1, i));
                            }
                        });
                    }
                    opts.pagination.container.each(function () {
                        $(this).children().unbind(opts.pagination.event).each(function (a) {
                            $(this).bind(opts.pagination.event, function (e) {
                                e.preventDefault();
                                $cfs.trigger(cf_e('slideTo', conf), [a * ipp, 0, true, opts.pagination]);
                            });
                        });
                    });
                }
                opts.pagination.container.each(function () {
                    $(this).children().removeClass(cf_c('selected', conf)).eq($cfs.triggerHandler(cf_e('currentPage', conf))).addClass(cf_c('selected', conf));
                });
                return true;
            });

            //	updateSizes event
            $cfs.bind(cf_e('updateSizes', conf), function (e) {
                var a_itm = $cfs.children(),
                    vI = opts.items.visible;

                if (opts.items.visibleConf.variable) vI = gn_getVisibleItemsNext(a_itm, opts, 0);
                else if (opts.items.filter != '*') vI = gn_getVisibleItemsNextFilter(a_itm, opts, 0);

                if (!opts.circular && itms.first != 0 && vI > itms.first) {
                    if (opts.items.visibleConf.variable) {
                        var nI = gn_getVisibleItemsPrev(a_itm, opts, itms.first) - itms.first;
                    } else if (opts.items.filter != '*') {
                        var nI = gn_getVisibleItemsPrevFilter(a_itm, opts, itms.first) - itms.first;
                    } else {
                        nI = opts.items.visible - itms.first;
                    }
                    debug(conf, 'Preventing non-circular: sliding ' + nI + ' items backward.');
                    $cfs.trigger('prev', nI);
                }
                opts.items.visible = cf_getItemsAdjust(vI, opts, opts.items.visibleConf.adjust, $tt0);
                return sz_setSizes($cfs, opts);
            });

            //	destroy event
            $cfs.bind(cf_e('destroy', conf), function (e, orgOrder) {
                e.stopPropagation();
                tmrs = sc_clearTimers(tmrs);

                $cfs.data('cfs_isCarousel', false);
                $cfs.trigger(cf_e('finish', conf));
                if (orgOrder) {
                    $cfs.trigger(cf_e('jumpToStart', conf));
                }
                if (opts.usePadding) {
                    sz_resetMargin($cfs.children(), opts);
                }

                $cfs.css($cfs.data('cfs_origCss'));
                $cfs._cfs_unbind_events();
                $cfs._cfs_unbind_buttons();
                $wrp.replaceWith($cfs);

                return true;
            });

            //	triggerEvent, making prefixed and namespaced events accessible from the outside
            $cfs.bind('_cfs_triggerEvent', function (e, n, o) {
                e.stopPropagation();
                return $cfs.triggerHandler(cf_e(n, conf), o);
            });
        };	//	/bind_events

        $cfs._cfs_unbind_events = function () {
            $cfs.unbind(cf_e('', conf));
            $cfs.unbind(cf_e('', conf, false));
        };	//	/unbind_events

        $cfs._cfs_bind_buttons = function () {
            $cfs._cfs_unbind_buttons();
            nv_showNavi(opts, itms.total, conf);
            nv_enableNavi(opts, itms.first, conf);

            if (opts.auto.pauseOnHover) {
                var pC = bt_pauseOnHoverConfig(opts.auto.pauseOnHover);
                $wrp.bind(cf_e('mouseenter', conf, false), function () {
                    $cfs.trigger(cf_e('pause', conf), pC);
                })
                    .bind(cf_e('mouseleave', conf, false), function () {
                        $cfs.trigger(cf_e('resume', conf));
                    });
            }

            if (opts.auto.button) {
                opts.auto.button.bind(cf_e(opts.auto.event, conf, false), function (e) {
                    e.preventDefault();
                    var ev = false,
                        pC = null;

                    if (crsl.isPaused) {
                        ev = 'play';
                    } else if (opts.auto.pauseOnEvent) {
                        ev = 'pause';
                        pC = bt_pauseOnHoverConfig(opts.auto.pauseOnEvent);
                    }
                    if (ev) {
                        $cfs.trigger(cf_e(ev, conf), pC);
                    }
                });
            }
            if (opts.prev.button) {
                opts.prev.button.bind(cf_e(opts.prev.event, conf, false), function (e) {
                    e.preventDefault();
                    $cfs.trigger(cf_e('prev', conf));
                });
                if (opts.prev.pauseOnHover) {
                    var pC = bt_pauseOnHoverConfig(opts.prev.pauseOnHover);
                    opts.prev.button.bind(cf_e('mouseenter', conf, false), function () {
                        $cfs.trigger(cf_e('pause', conf), pC);
                    })
                        .bind(cf_e('mouseleave', conf, false), function () {
                            $cfs.trigger(cf_e('resume', conf));
                        });
                }
            }

            if (opts.next.button) {
                opts.next.button.bind(cf_e(opts.next.event, conf, false), function (e) {
                    e.preventDefault();
                    $cfs.trigger(cf_e('next', conf));
                });
                if (opts.next.pauseOnHover) {
                    var pC = bt_pauseOnHoverConfig(opts.next.pauseOnHover);
                    opts.next.button.bind(cf_e('mouseenter', conf, false), function () {
                        $cfs.trigger(cf_e('pause', conf), pC);
                    })
                        .bind(cf_e('mouseleave', conf, false), function () {
                            $cfs.trigger(cf_e('resume', conf));
                        });
                }
            }
            if ($.fn.mousewheel) {
                if (opts.prev.mousewheel) {
                    if (!crsl.mousewheelPrev) {
                        crsl.mousewheelPrev = true;
                        $wrp.mousewheel(function (e, delta) {
                            if (delta > 0) {
                                e.preventDefault();
                                var num = bt_mousesheelNumber(opts.prev.mousewheel);
                                $cfs.trigger(cf_e('prev', conf), num);
                            }
                        });
                    }
                }
                if (opts.next.mousewheel) {
                    if (!crsl.mousewheelNext) {
                        crsl.mousewheelNext = true;
                        $wrp.mousewheel(function (e, delta) {
                            if (delta < 0) {
                                e.preventDefault();
                                var num = bt_mousesheelNumber(opts.next.mousewheel);
                                $cfs.trigger(cf_e('next', conf), num);
                            }
                        });
                    }
                }
            }
            if ($.fn.touchwipe) {
                var wP = (opts.prev.wipe) ? function () {
                        $cfs.trigger(cf_e('prev', conf));
                    } : null,
                    wN = (opts.next.wipe) ? function () {
                        $cfs.trigger(cf_e('next', conf));
                    } : null;

                if (wN || wN) {
                    if (!crsl.touchwipe) {
                        crsl.touchwipe = true;
                        var twOps = {
                            'min_move_x': 30,
                            'min_move_y': 30,
                            'preventDefaultEvents': true
                        };
                        switch (opts.direction) {
                            case 'up':
                            case 'down':
                                twOps.wipeUp = wP;
                                twOps.wipeDown = wN;
                                break;
                            default:
                                twOps.wipeLeft = wN;
                                twOps.wipeRight = wP;
                        }
                        $wrp.touchwipe(twOps);
                    }
                }
            }
            if (opts.pagination.container) {
                if (opts.pagination.pauseOnHover) {
                    var pC = bt_pauseOnHoverConfig(opts.pagination.pauseOnHover);
                    opts.pagination.container.bind(cf_e('mouseenter', conf, false), function () {
                        $cfs.trigger(cf_e('pause', conf), pC);
                    })
                        .bind(cf_e('mouseleave', conf, false), function () {
                            $cfs.trigger(cf_e('resume', conf));
                        });
                }
            }
            if (opts.prev.key || opts.next.key) {
                $(document).bind(cf_e('keyup', conf, false, true, true), function (e) {
                    var k = e.keyCode;
                    if (k == opts.next.key) {
                        e.preventDefault();
                        $cfs.trigger(cf_e('next', conf));
                    }
                    if (k == opts.prev.key) {
                        e.preventDefault();
                        $cfs.trigger(cf_e('prev', conf));
                    }
                });
            }
            if (opts.pagination.keys) {
                $(document).bind(cf_e('keyup', conf, false, true, true), function (e) {
                    var k = e.keyCode;
                    if (k >= 49 && k < 58) {
                        k = (k - 49) * opts.items.visible;
                        if (k <= itms.total) {
                            e.preventDefault();
                            $cfs.trigger(cf_e('slideTo', conf), [k, 0, true, opts.pagination]);
                        }
                    }
                });
            }
            if (opts.auto.play) {
                $cfs.trigger(cf_e('play', conf), opts.auto.delay);
            }

            if (crsl.upDateOnWindowResize) {
                var $w = $(window),
                    _windowWidth = $w.width(),
                    _windowHeight = $w.height();

                $w.bind(cf_e('resize', conf, false, true, true), function (e) {
                    if ($w.width() != _windowWidth || $w.height() != _windowHeight) {
                        $cfs.trigger(cf_e('finish', conf));
                        if (opts.auto.pauseOnResize && !crsl.isPaused) {
                            $cfs.trigger(cf_e('play', conf));
                        }
                        sz_resetMargin($cfs.children(), opts);
                        $cfs._cfs_init(opts_orig);
                        var siz = sz_setSizes($cfs, opts, false);
                        $cfs.trigger(cf_e('updatePageStatus', conf), [true, siz]);

                        _windowWidth = $w.width();
                        _windowHeight = $w.height();
                    }
                });
            }

        };	//	/bind_buttons

        $cfs._cfs_unbind_buttons = function () {
            var ns1 = cf_e('', conf),
                ns2 = cf_e('', conf, false);
            ns3 = cf_e('', conf, false, true, true);

            $(document).unbind(ns3);
            $(window).unbind(ns3);
            $wrp.unbind(ns2);

            if (opts.auto.button) opts.auto.button.unbind(ns2);
            if (opts.prev.button) opts.prev.button.unbind(ns2);
            if (opts.next.button) opts.next.button.unbind(ns2);
            if (opts.pagination.container) {
                opts.pagination.container.unbind(ns2);
                if (opts.pagination.anchorBuilder) {
                    opts.pagination.container.children().remove();
                }
            }

            nv_showNavi(opts, 'hide', conf);
            nv_enableNavi(opts, 'removeClass', conf);

        };	//	/unbind_buttons


        //	START

        var crsl = {
                'direction': 'next',
                'isPaused': true,
                'isScrolling': false,
                'isStopped': false,

                'mousewheelNext': false,
                'mousewheelPrev': false,
                'touchwipe': false
            },
            itms = {
                'total': $cfs.children().length,
                'first': 0
            },
            tmrs = {
                'timer': null,
                'auto': null,
                'queue': null,
                'startTime': getTime(),
                'timePassed': 0
            },
            scrl = {
                'isStopped': false,
                'duration': 0,
                'startTime': 0,
                'easing': '',
                'anims': []
            },
            clbk = {
                'onBefore': [],
                'onAfter': []
            },
            queu = [],
            conf = $.extend(true, {}, $.fn.carouFredSel.configs, configs),
            opts = {},
            opts_orig = options,
            $wrp = $cfs.wrap('<' + conf.wrapper.element + ' class="' + conf.wrapper.classname + '" />').parent();

        conf.selector = $cfs.selector;
        conf.serialNumber = $.fn.carouFredSel.serialNumber++;

        //	create carousel
        $cfs._cfs_init(opts_orig, true, starting_position);
        $cfs._cfs_build();
        $cfs._cfs_bind_events();
        $cfs._cfs_bind_buttons();

        //	find item to start
        if (is_array(opts.items.start)) {
            var start_arr = opts.items.start;
        } else {
            var start_arr = [];
            if (opts.items.start != 0) {
                start_arr.push(opts.items.start);
            }
        }
        if (opts.cookie) {
            start_arr.unshift(cf_readCookie(opts.cookie));
        }
        if (start_arr.length > 0) {
            for (var a = 0, l = start_arr.length; a < l; a++) {
                var s = start_arr[a];
                if (s == 0) {
                    continue;
                }
                if (s === true) {
                    s = window.location.hash;
                    if (s.length < 1) {
                        continue;
                    }
                } else if (s === 'random') {
                    s = Math.floor(Math.random() * itms.total);
                }
                if ($cfs.triggerHandler(cf_e('slideTo', conf), [s, 0, true, {fx: 'none'}])) {
                    break;
                }
            }
        }
        var siz = sz_setSizes($cfs, opts, false),
            itm = gi_getCurrentItems($cfs.children(), opts);

        if (opts.onCreate) {
            opts.onCreate.call($tt0, itm, siz);
        }

        $cfs.trigger(cf_e('updatePageStatus', conf), [true, siz]);
        $cfs.trigger(cf_e('linkAnchors', conf));

        return $cfs;
    };


    //	GLOBAL PUBLIC

    $.fn.carouFredSel.serialNumber = 1;
    $.fn.carouFredSel.defaults = {
        'synchronise': false,
        'infinite': true,
        'circular': true,
        'responsive': false,
        'direction': 'left',
        'items': {
            'start': 0
        },
        'scroll': {
            'easing': 'swing',
            'duration': 500,
            'pauseOnHover': false,
            'mousewheel': false,
            'wipe': false,
            'event': 'click',
            'queue': false
        }
    };
    $.fn.carouFredSel.configs = {
        'debug': false,
        'events': {
            'prefix': '',
            'namespace': 'cfs'
        },
        'wrapper': {
            'element': 'div',
            'classname': 'caroufredsel_wrapper'
        },
        'classnames': {}
    };
    $.fn.carouFredSel.pageAnchorBuilder = function (nr, itm) {
        return '<a href="#"><span>' + nr + '</span></a>';
    };


    //	GLOBAL PRIVATE

    //	scrolling functions
    function sc_setScroll(d, e) {
        return {
            anims: [],
            duration: d,
            orgDuration: d,
            easing: e,
            startTime: getTime()
        };
    }

    function sc_startScroll(s) {
        if (typeof s.pre == 'object') {
            sc_startScroll(s.pre);
        }
        for (var a = 0, l = s.anims.length; a < l; a++) {
            var b = s.anims[a];
            if (!b) continue;
            if (b[3]) b[0].stop();
            b[0].animate(b[1], {
                complete: b[2],
                duration: s.duration,
                easing: s.easing
            });
        }
        if (typeof s.post == 'object') {
            sc_startScroll(s.post);
        }
    }

    function sc_stopScroll(s, finish) {
        if (typeof finish != 'boolean') finish = true;
        if (typeof s.pre == 'object') {
            sc_stopScroll(s.pre, finish);
        }
        for (var a = 0, l = s.anims.length; a < l; a++) {
            var b = s.anims[a];
            b[0].stop(true);
            if (finish) {
                b[0].css(b[1]);
                if (typeof b[2] == 'function') b[2]();
            }
        }
        if (typeof s.post == 'object') {
            sc_stopScroll(s.post, finish);
        }
    }

    function sc_clearTimers(t) {
        if (t.auto) clearTimeout(t.auto);
        return t;
    }

    function sc_callCallbacks(cbs, t, args) {
        if (cbs.length) {
            for (var a = 0, l = cbs.length; a < l; a++) {
                cbs[a].apply(t, args);
            }
        }
        return [];
    }

    //	fx functions
    function fx_fade(sO, c, x, d, f) {
        var o = {
            'duration': d,
            'easing': sO.easing
        };
        if (typeof f == 'function') o.complete = f;
        c.animate({
            opacity: x
        }, o);
    }

    function fx_cover(sc, c1, c2, o, prev) {
        var old_w = ms_getSizes(gi_getOldItemsNext(c1.children(), o), o, true)[0],
            new_w = ms_getSizes(c2.children(), o, true)[0],
            cur_l = (prev) ? -new_w : old_w,
            css_o = {},
            ani_o = {};

        css_o[o.d['width']] = new_w;
        css_o[o.d['left']] = cur_l;
        ani_o[o.d['left']] = 0;

        sc.pre.anims.push([c1, {'opacity': 1}]);
        sc.post.anims.push([c2, ani_o, function () {
            $(this).remove();
        }]);
        c2.css(css_o);
        return sc;
    }

    function fx_uncover(sc, c1, c2, o, prev, n) {
        var new_w = ms_getSizes(gi_getNewItemsNext(c1.children(), o, n), o, true)[0],
            old_w = ms_getSizes(c2.children(), o, true)[0],
            cur_l = (prev) ? -old_w : new_w,
            css_o = {},
            ani_o = {};

        css_o[o.d['width']] = old_w;
        css_o[o.d['left']] = 0;
        ani_o[o.d['left']] = cur_l;
        sc.post.anims.push([c2, ani_o, function () {
            $(this).remove();
        }]);
        c2.css(css_o);
        return sc;
    }

    //	navigation functions
    function nv_showNavi(o, t, c) {
        if (t == 'show' || t == 'hide') {
            var f = t;
        } else if (o.items.minimum >= t) {
            debug(c, 'Not enough items: hiding navigation (' + t + ' items, ' + o.items.minimum + ' needed).');
            var f = 'hide';
        } else {
            var f = 'show';
        }
        var s = (f == 'show') ? 'removeClass' : 'addClass',
            h = cf_c('hidden', c);
        if (o.auto.button) o.auto.button[f]()[s](h);
        // if (o.prev.button) o.prev.button[f]()[s](h);
        // if (o.next.button) o.next.button[f]()[s](h);
        if (o.pagination.container) o.pagination.container[f]()[s](h);
    }

    function nv_enableNavi(o, f, c) {
        if (o.circular || o.infinite) return;
        var fx = (f == 'removeClass' || f == 'addClass') ? f : false,
            di = cf_c('disabled', c);
        if (o.auto.button && fx) {
            o.auto.button[fx](di);
        }
        if (o.prev.button) {
            var fn = fx || (f == 0) ? 'addClass' : 'removeClass';
            o.prev.button[fn](di);
        }
        if (o.next.button) {
            var fn = fx || (f == o.items.visible) ? 'addClass' : 'removeClass';
            o.next.button[fn](di);
        }
    }

    //	get object functions
    function go_getObject($tt, obj) {
        if (typeof obj == 'function') obj = obj.call($tt);
        if (typeof obj == 'undefined') obj = {};
        return obj;
    }

    function go_getNaviObject($tt, obj, type) {
        if (typeof type != 'string') type = '';

        obj = go_getObject($tt, obj);
        if (typeof obj == 'string') {
            var temp = cf_getKeyCode(obj);
            if (temp == -1) obj = $(obj);
            else obj = temp;
        }

        //	pagination
        if (type == 'pagination') {
            if (typeof obj == 'boolean') obj = {'keys': obj};
            if (typeof obj.jquery != 'undefined') obj = {'container': obj};
            if (typeof obj.container == 'function') obj.container = obj.container.call($tt);
            if (typeof obj.container == 'string') obj.container = $(obj.container);
            if (typeof obj.items != 'number') obj.items = false;

            //	auto
        } else if (type == 'auto') {
            if (typeof obj.jquery != 'undefined') obj = {'button': obj};
            if (typeof obj == 'boolean') obj = {'play': obj};
            if (typeof obj == 'number') obj = {'pauseDuration': obj};
            if (typeof obj.button == 'function') obj.button = obj.button.call($tt);
            if (typeof obj.button == 'string') obj.button = $(obj.button);

            //	prev + next
        } else {
            if (typeof obj.jquery != 'undefined') obj = {'button': obj};
            if (typeof obj == 'number') obj = {'key': obj};
            if (typeof obj.button == 'function') obj.button = obj.button.call($tt);
            if (typeof obj.button == 'string') obj.button = $(obj.button);
            if (typeof obj.key == 'string') obj.key = cf_getKeyCode(obj.key);
        }

        return obj;
    }

    //	get number functions
    function gn_getItemIndex(num, dev, org, items, $cfs) {
        if (typeof num == 'string') {
            if (isNaN(num)) num = $(num);
            else num = parseInt(num);
        }
        if (typeof num == 'object') {
            if (typeof num.jquery == 'undefined') num = $(num);
            num = $cfs.children().index(num);
            if (num == -1) num = 0;
            if (typeof org != 'boolean') org = false;
        } else {
            if (typeof org != 'boolean') org = true;
        }
        if (isNaN(num)) num = 0;
        else num = parseInt(num);
        if (isNaN(dev)) dev = 0;
        else dev = parseInt(dev);

        if (org) {
            num += items.first;
        }
        num += dev;
        if (items.total > 0) {
            while (num >= items.total) {
                num -= items.total;
            }
            while (num < 0) {
                num += items.total;
            }
        }
        return num;
    }

    //	items prev
    function gn_getVisibleItemsPrev(i, o, s) {
        var t = 0,
            x = 0;

        for (var a = s; a >= 0; a--) {
            var j = i.eq(a);
            t += (j.is(':visible')) ? j[o.d['outerWidth']](true) : 0;
            if (t > o.maxDimention) return x;
            if (a == 0) a = i.length;
            x++;
        }
    }

    function gn_getVisibleItemsPrevFilter(i, o, s) {
        return gn_getItemsPrevFilter(i, o.items.filter, o.items.visibleConf.org, s);
    }

    function gn_getScrollItemsPrevFilter(i, o, s, m) {
        return gn_getItemsPrevFilter(i, o.items.filter, m, s);
    }

    function gn_getItemsPrevFilter(i, f, m, s) {
        var t = 0,
            x = 0;

        for (var a = s, l = i.length; a >= 0; a--) {
            x++;
            if (x == l) return x;

            var j = i.eq(a);
            if (j.is(f)) {
                t++;
                if (t == m) return x;
            }
            if (a == 0) a = l;
        }
    }

    function gn_getVisibleOrg($c, o) {
        return o.items.visibleConf.org || $c.children().slice(0, o.items.visible).filter(o.items.filter).length;
    }

    //	items next
    function gn_getVisibleItemsNext(i, o, s) {
        var t = 0,
            x = 0;

        for (var a = s, l = i.length - 1; a <= l; a++) {
            var j = i.eq(a);

            t += (j.is(':visible')) ? j[o.d['outerWidth']](true) : 0;
            if (t > o.maxDimention) return x;

            x++;
            if (x == l + 1) return x;
            if (a == l) a = -1;
        }
    }

    function gn_getVisibleItemsNextTestCircular(i, o, s, l) {
        var v = gn_getVisibleItemsNext(i, o, s);
        if (!o.circular) {
            if (s + v > l) v = l - s;
        }
        return v;
    }

    function gn_getVisibleItemsNextFilter(i, o, s) {
        return gn_getItemsNextFilter(i, o.items.filter, o.items.visibleConf.org, s, o.circular);
    }

    function gn_getScrollItemsNextFilter(i, o, s, m) {
        return gn_getItemsNextFilter(i, o.items.filter, m + 1, s, o.circular) - 1;
    }

    function gn_getItemsNextFilter(i, f, m, s, c) {
        var t = 0,
            x = 0;

        for (var a = s, l = i.length - 1; a <= l; a++) {
            x++;
            if (x == l) return x;

            var j = i.eq(a);
            if (j.is(f)) {
                t++;
                if (t == m) return x;
            }
            if (a == l) a = -1;
        }
    }

    //	get items functions
    function gi_getCurrentItems(i, o) {
        return i.slice(0, o.items.visible);
    }

    function gi_getOldItemsPrev(i, o, n) {
        return i.slice(n, o.items.visibleConf.old + n);
    }

    function gi_getNewItemsPrev(i, o) {
        return i.slice(0, o.items.visible);
    }

    function gi_getOldItemsNext(i, o) {
        return i.slice(0, o.items.visibleConf.old);
    }

    function gi_getNewItemsNext(i, o, n) {
        return i.slice(n, o.items.visible + n);
    }

    //	sizes functions
    function sz_resetMargin(i, o, m) {
        var x = (typeof m == 'boolean') ? m : false;
        if (typeof m != 'number') m = 0;
        i.each(function () {
            var j = $(this);
            var t = parseInt(j.css(o.d['marginRight']));
            if (isNaN(t)) t = 0;
            j.data('cfs_tempCssMargin', t);
            j.css(o.d['marginRight'], ((x) ? j.data('cfs_tempCssMargin') : m + j.data('cfs_origCssMargin')));
        });
    }

    function sz_setSizes($c, o, p) {
        var $w = $c.parent(),
            $i = $c.children(),
            $v = gi_getCurrentItems($i, o),
            sz = cf_mapWrapperSizes(ms_getSizes($v, o, true), o, p);

        $w.css(sz);

        if (o.usePadding) {
            var p = o.padding,
                r = p[o.d[1]];
            if (o.align) {
                if (r < 0) r = 0;
            }
            var $l = $v.last();
            $l.css(o.d['marginRight'], $l.data('cfs_origCssMargin') + r);
            $c.css(o.d['top'], p[o.d[0]]);
            $c.css(o.d['left'], p[o.d[3]]);
        }

        $c.css(o.d['width'], sz[o.d['width']] + (ms_getTotalSize($i, o, 'width') * 2));
        $c.css(o.d['height'], ms_getLargestSize($i, o, 'height'));
        return sz;
    }

    //	measuring functions
    function ms_getSizes(i, o, wrapper) {
        var s1 = ms_getTotalSize(i, o, 'width', wrapper),
            s2 = ms_getLargestSize(i, o, 'height', wrapper);
        return [s1, s2];
    }

    function ms_getLargestSize(i, o, dim, wrapper) {
        if (typeof wrapper != 'boolean') wrapper = false;
        if (typeof o[o.d[dim]] == 'number' && wrapper) return o[o.d[dim]];
        if (typeof o.items[o.d[dim]] == 'number') return o.items[o.d[dim]];
        var di2 = (dim.toLowerCase().indexOf('width') > -1) ? 'outerWidth' : 'outerHeight';
        return ms_getTrueLargestSize(i, o, di2);
    }

    function ms_getTrueLargestSize(i, o, dim) {
        var s = 0;

        for (var a = 0, l = i.length; a < l; a++) {
            var j = i.eq(a);

            var m = (j.is(':visible')) ? j[o.d[dim]](true) : 0;
            if (s < m) s = m;
        }
        return s;
    }

    function ms_getTrueInnerSize($el, o, dim) {
        if (!$el.is(':visible')) return 0;

        var siz = $el[o.d[dim]](),
            arr = (o.d[dim].toLowerCase().indexOf('width') > -1) ? ['paddingLeft', 'paddingRight'] : ['paddingTop', 'paddingBottom'];

        for (var a = 0, l = arr.length; a < l; a++) {
            var m = parseInt($el.css(arr[a]));
            siz -= (isNaN(m)) ? 0 : m;
        }
        return siz;
    }

    function ms_getTotalSize(i, o, dim, wrapper) {
        if (typeof wrapper != 'boolean') wrapper = false;
        if (typeof o[o.d[dim]] == 'number' && wrapper) return o[o.d[dim]];
        if (typeof o.items[o.d[dim]] == 'number') return o.items[o.d[dim]] * i.length;

        var d = (dim.toLowerCase().indexOf('width') > -1) ? 'outerWidth' : 'outerHeight',
            s = 0;

        for (var a = 0, l = i.length; a < l; a++) {
            var j = i.eq(a);
            s += (j.is(':visible')) ? j[o.d[d]](true) : 0;
        }
        return s;
    }

    function ms_hasVariableSizes(i, o, dim) {
        var s = false,
            v = false;

        for (var a = 0, l = i.length; a < l; a++) {
            var j = i.eq(a);

            var c = (j.is(':visible')) ? j[o.d[dim]](true) : 0;
            if (s === false) s = c;
            else if (s != c) v = true;
            if (s == 0) v = true;
        }
        return v;
    }

    function ms_getPaddingBorderMargin(i, o, d) {
        return i[o.d['outer' + d]](true) - ms_getTrueInnerSize(i, o, 'inner' + d);
    }

    function ms_isPercentage(x) {
        return (typeof x == 'string' && x.slice(-1) == '%');
    }

    function ms_getPercentage(s, o) {
        if (ms_isPercentage(o)) {
            o = o.slice(0, -1);
            if (isNaN(o)) return s;
            s *= o / 100;
        }
        return s;
    }

    //	config functions
    function cf_e(n, c, pf, ns, rd) {
        if (typeof pf != 'boolean') pf = true;
        if (typeof ns != 'boolean') ns = true;
        if (typeof rd != 'boolean') rd = false;

        if (pf) n = c.events.prefix + n;
        if (ns) n = n + '.' + c.events.namespace;
        if (ns && rd) n += c.serialNumber;

        return n;
    }

    function cf_c(n, c) {
        return (typeof c.classnames[n] == 'string') ? c.classnames[n] : n;
    }

    function cf_mapWrapperSizes(ws, o, p) {
        if (typeof p != 'boolean') p = true;
        var pad = (o.usePadding && p) ? o.padding : [0, 0, 0, 0];
        var wra = {};
        wra[o.d['width']] = ws[0] + pad[1] + pad[3];
        wra[o.d['height']] = ws[1] + pad[0] + pad[2];

        return wra;
    }

    function cf_sortParams(vals, typs) {
        var arr = [];
        for (var a = 0, l1 = vals.length; a < l1; a++) {
            for (var b = 0, l2 = typs.length; b < l2; b++) {
                if (typs[b].indexOf(typeof vals[a]) > -1 && typeof arr[b] == 'undefined') {
                    arr[b] = vals[a];
                    break;
                }
            }
        }
        return arr;
    }

    function cf_getPadding(p) {
        if (typeof p == 'undefined') return [0, 0, 0, 0];

        if (typeof p == 'number') return [p, p, p, p];
        else if (typeof p == 'string') p = p.split('px').join('').split('em').join('').split(' ');

        if (!is_array(p)) {
            return [0, 0, 0, 0];
        }
        for (var i = 0; i < 4; i++) {
            p[i] = parseInt(p[i]);
        }
        switch (p.length) {
            case 0:
                return [0, 0, 0, 0];
            case 1:
                return [p[0], p[0], p[0], p[0]];
            case 2:
                return [p[0], p[1], p[0], p[1]];
            case 3:
                return [p[0], p[1], p[2], p[1]];
            default:
                return [p[0], p[1], p[2], p[3]];
        }
    }

    function cf_getAlignPadding(itm, o) {
        var x = (typeof o[o.d['width']] == 'number') ? Math.ceil(o[o.d['width']] - ms_getTotalSize(itm, o, 'width')) : 0;
        switch (o.align) {
            case 'left':
                return [0, x];
            case 'right':
                return [x, 0];
            case 'center':
            default:
                return [Math.ceil(x / 2), Math.floor(x / 2)];
        }
    }

    function cf_getAdjust(x, o, a, $t) {
        var v = x;
        if (typeof a == 'function') {
            v = a.call($t, v);

        } else if (typeof a == 'string') {
            var p = a.split('+'),
                m = a.split('-');

            if (m.length > p.length) {
                var neg = true,
                    sta = m[0],
                    adj = m[1];
            } else {
                var neg = false,
                    sta = p[0],
                    adj = p[1];
            }

            switch (sta) {
                case 'even':
                    v = (x % 2 == 1) ? x - 1 : x;
                    break;
                case 'odd':
                    v = (x % 2 == 0) ? x - 1 : x;
                    break;
                default:
                    v = x;
                    break;
            }
            adj = parseInt(adj);
            if (!isNaN(adj)) {
                if (neg) adj = -adj;
                v += adj;
            }
        }
        if (typeof v != 'number') v = 1;
        if (v < 1) v = 1;
        return v;
    }

    function cf_getItemsAdjust(x, o, a, $t) {
        return cf_getItemAdjustMinMax(cf_getAdjust(x, o, a, $t), o.items.visibleConf);
    }

    function cf_getItemAdjustMinMax(v, i) {
        if (typeof i.min == 'number' && v < i.min) v = i.min;
        if (typeof i.max == 'number' && v > i.max) v = i.max;
        if (v < 1) v = 1;
        return v;
    }

    function cf_getSynchArr(s) {
        if (!is_array(s)) s = [[s]];
        if (!is_array(s[0])) s = [s];
        for (var j = 0, l = s.length; j < l; j++) {
            if (typeof s[j][0] == 'string') s[j][0] = $(s[j][0]);
            if (typeof s[j][1] != 'boolean') s[j][1] = true;
            if (typeof s[j][2] != 'boolean') s[j][2] = true;
            if (typeof s[j][3] != 'number') s[j][3] = 0;
        }
        return s;
    }

    function cf_getKeyCode(k) {
        if (k == 'right') return 39;
        if (k == 'left') return 37;
        if (k == 'up') return 38;
        if (k == 'down') return 40;
        return -1;
    }

    function cf_setCookie(n, v) {
        if (n) document.cookie = n + '=' + v + '; path=/';
    }

    function cf_readCookie(n) {
        n += '=';
        var ca = document.cookie.split(';');
        for (var a = 0, l = ca.length; a < l; a++) {
            var c = ca[a];
            while (c.charAt(0) == ' ') {
                c = c.slice(1);
            }
            if (c.indexOf(n) == 0) {
                return c.slice(n.length);
            }
        }
        return 0;
    }

    //	buttons functions
    function bt_pauseOnHoverConfig(p) {
        if (p && typeof p == 'string') {
            var i = (p.indexOf('immediate') > -1) ? true : false,
                r = (p.indexOf('resume') > -1) ? true : false;
        } else {
            var i = r = false;
        }
        return [i, r];
    }

    function bt_mousesheelNumber(mw) {
        return (typeof mw == 'number') ? mw : null;
    }

    //	helper functions
    function is_array(a) {
        return typeof(a) == 'object' && (a instanceof Array);
    }

    function getTime() {
        return new Date().getTime();
    }

    function debug(d, m) {
        if (typeof d == 'object') {
            var s = ' (' + d.selector + ')';
            d = d.debug;
        } else {
            var s = '';
        }
        if (!d) return false;

        if (typeof m == 'string') m = 'carouFredSel' + s + ': ' + m;
        else m = ['carouFredSel' + s + ':', m];

        if (window.console && window.console.log) window.console.log(m);
        return false;
    }


    //	CAROUFREDSEL ALL LOWERCASE

    $.fn.caroufredsel = function (o, c) {
        return this.carouFredSel(o, c);
    };


    //	EASING FUNCTIONS

    $.extend($.easing, {
        'quadratic': function (t) {
            var t2 = t * t;
            return t * (-t2 * t + 4 * t2 - 6 * t + 4);
        },
        'cubic': function (t) {
            return t * (4 * t * t - 9 * t + 6);
        },
        'elastic': function (t) {
            var t2 = t * t;
            return t * (33 * t2 * t2 - 106 * t2 * t + 126 * t2 - 67 * t + 15);
        }
    });


})(jQuery);