/**
 * bxslider v4.1.2 - fully loaded, responsive content slider
 * http://bxslider.com
 *
 * copyright 2014, steven wanderski - http://stevenwanderski.com - http://bxcreative.com
 * written while drinking belgian ales and listening to jazz
 *
 * released under the mit license - http://opensource.org/licenses/mit
 */

;
(function ($) {

    var plugin = {};

    var defaults = {
        // general
        mode: 'horizontal',
        slideselector: '',
        infiniteloop: true,
        hidecontrolonend: false,
        speed: 500,
        easing: null,
        slidemargin: 0,
        startslide: 0,
        randomstart: false,
        captions: false,
        ticker: false,
        tickerhover: false,
        adaptiveheight: false,
        scale: '',
        adaptiveheightspeed: 500,
        video: false,
        usecss: true,
        preloadimages: 'visible',
        responsive: true,
        slidezindex: 50,
        wrapperclass: 'bx-wrapper',
        // touch
        touchenabled: true,
        swipethreshold: 50,
        onetoonetouch: true,
        preventdefaultswipex: true,
        preventdefaultswipey: false,
        // pager
        pager: true,
        pagertype: 'full',
        pagershortseparator: ' / ',
        pagerselector: null,
        buildpager: null,
        pagercustom: null,
        // controls
        controls: true,
        nexttext: 'next',
        prevtext: 'prev',
        nextselector: null,
        prevselector: null,
        autocontrols: false,
        starttext: 'start',
        stoptext: 'stop',
        autocontrolscombine: false,
        autocontrolsselector: null,
        // auto
        auto: true,
        pause: 5000,
        autostart: true,
        autodirection: 'next',
        autohover: false,
        autodelay: 0,
        autoslideforonepage: false,
        // carousel
        minslides: 1,
        maxslides: 1,
        moveslides: 0,
        slidewidth: 0,
        // callbacks
        onsliderload: function () {},
        onslidebefore: function () {},
        onslideafter: function () {},
        onslidenext: function () {},
        onslideprev: function () {},
        onsliderresize: function () {}
    }

    $.fn.bxslider = function (options) {
        if (this.length == 0)
            return this;

        // support mutltiple elements
        if (this.length > 1) {
            this.each(function () {
                $(this).bxslider(options)
            });
            return this;
        }

        // create a namespace to be used throughout the plugin
        var slider = {};
        // set a reference to our slider element
        var el = this;
        plugin.el = this;

        /**
         * makes slideshow responsive
         */
        // first get the original window dimens (thanks alot ie)
        var windowwidth = $(window).width();
        var windowheight = $(window).height();



        /**
         * ===================================================================================
         * = private functions
         * ===================================================================================
         */

        /**
         * initializes namespace settings to be used throughout plugin
         */
        var init = function () {
            // merge user-supplied options with the defaults
            slider.settings = $.extend({}, defaults, options);
            // parse slidewidth setting
            slider.settings.slidewidth = parseint(slider.settings.slidewidth);
            // store the original children
            slider.children = el.children(slider.settings.slideselector);
            // check if actual number of slides is less than minslides / maxslides
            if (slider.children.length < slider.settings.minslides)
                slider.settings.minslides = slider.children.length;
            if (slider.children.length < slider.settings.maxslides)
                slider.settings.maxslides = slider.children.length;
            // if random start, set the startslide setting to random number
            if (slider.settings.randomstart)
                slider.settings.startslide = math.floor(math.random() * slider.children.length);
            // store active slide information
            slider.active = {index: slider.settings.startslide}
            // store if the slider is in carousel mode (displaying / moving multiple slides)
            slider.carousel = slider.settings.minslides > 1 || slider.settings.maxslides > 1;
            // if carousel, force preloadimages = 'all'
            if (slider.carousel)
                slider.settings.preloadimages = 'all';
            // calculate the min / max width thresholds based on min / max number of slides
            // used to setup and update carousel slides dimensions
            slider.minthreshold = (slider.settings.minslides * slider.settings.slidewidth) + ((slider.settings.minslides - 1) * slider.settings.slidemargin);
            slider.maxthreshold = (slider.settings.maxslides * slider.settings.slidewidth) + ((slider.settings.maxslides - 1) * slider.settings.slidemargin);
            // store the current state of the slider (if currently animating, working is true)
            slider.working = false;
            // initialize the controls object
            slider.controls = {};
            // initialize an auto interval
            slider.interval = null;
            // determine which property to use for transitions
            slider.animprop = slider.settings.mode == 'vertical' ? 'top' : 'left';
            // determine if hardware acceleration can be used
            slider.usingcss = slider.settings.usecss && slider.settings.mode != 'fade' && (function () {
                // create our test div element
                var div = document.createelement('div');
                // css transition properties
                var props = ['webkitperspective', 'mozperspective', 'operspective', 'msperspective'];
                // test for each property
                for (var i in props) {
                    if (div.style[props[i]] !== undefined) {
                        slider.cssprefix = props[i].replace('perspective', '').tolowercase();
                        slider.animprop = '-' + slider.cssprefix + '-transform';
                        return true;
                    }
                }
                return false;
            }());
            // if vertical mode always make maxslides and minslides equal
            if (slider.settings.mode == 'vertical')
                slider.settings.maxslides = slider.settings.minslides;
            // save original style data
            el.data("origstyle", el.attr("style"));
            el.children(slider.settings.slideselector).each(function () {
                $(this).data("origstyle", $(this).attr("style"));
            });
            // perform all dom / css modifications
            setup();
        }

        /**
         * performs all dom and css modifications
         */
        var setup = function () {
            // wrap el in a wrapper
            el.wrap('<div class="' + slider.settings.wrapperclass + '"><div class="bx-viewport"></div></div>');
            // store a namspace reference to .bx-viewport
            slider.viewport = el.parent();
            // add a loading div to display while images are loading
            slider.loader = $('<div class="bx-loading" />');
            slider.viewport.prepend(slider.loader);
            // set el to a massive width, to hold any needed slides
            // also strip any margin and padding from el
            el.css({
                width: slider.settings.mode == 'horizontal' ? (slider.children.length * 100 + 215) + '%' : 'auto',
                position: 'relative'
            });
            // if using css, add the easing property
            if (slider.usingcss && slider.settings.easing) {
                el.css('-' + slider.cssprefix + '-transition-timing-function', slider.settings.easing);
                // if not using css and no easing value was supplied, use the default js animation easing (swing)
            } else if (!slider.settings.easing) {
                slider.settings.easing = 'swing';
            }
            var slidesshowing = getnumberslidesshowing();
            // make modifications to the viewport (.bx-viewport)
            slider.viewport.css({
                width: '100%',
                overflow: 'hidden',
                position: 'relative'
            });
            slider.viewport.parent().css({
                maxwidth: getviewportmaxwidth()
            });
            // make modification to the wrapper (.bx-wrapper)
            if (!slider.settings.pager) {
                slider.viewport.parent().css({
                    margin: '0 auto 0px'
                });
            }
            // apply css to all slider children
            slider.children.css({
                'float': slider.settings.mode == 'horizontal' ? 'left' : 'none',
                liststyle: 'none',
                position: 'relative'
            });
            // apply the calculated width after the float is applied to prevent scrollbar interference
            slider.children.css('width', getslidewidth());
            // if slidemargin is supplied, add the css
            if (slider.settings.mode == 'horizontal' && slider.settings.slidemargin > 0)
                slider.children.css('marginright', slider.settings.slidemargin);
            if (slider.settings.mode == 'vertical' && slider.settings.slidemargin > 0)
                slider.children.css('marginbottom', slider.settings.slidemargin);
            // if "fade" mode, add positioning and z-index css
            if (slider.settings.mode == 'fade') {
                slider.children.css({
                    position: 'absolute',
					left: 0,
                    zindex: 0,
                    display: 'none'
                });
                // prepare the z-index on the showing element
                slider.children.eq(slider.settings.startslide).css({zindex: slider.settings.slidezindex, display: 'block'});
            }
            // create an element to contain all slider controls (pager, start / stop, etc)
            slider.controls.el = $('<div class="bx-controls" />');
            // if captions are requested, add them
            if (slider.settings.captions)
                appendcaptions();
            // check if startslide is last slide
            slider.active.last = slider.settings.startslide == getpagerqty() - 1;
            // if video is true, set up the fitvids plugin
            if (slider.settings.video)
                el.fitvids();
            // set the default preload selector (visible)
            var preloadselector = slider.children.eq(slider.settings.startslide);
            if (slider.settings.preloadimages == "all")
                preloadselector = slider.children;
            // only check for control addition if not in "ticker" mode
            if (!slider.settings.ticker) {
                // if pager is requested, add it
                if (slider.settings.pager)
                    appendpager();
                // if controls are requested, add them
                if (slider.settings.controls)
                    appendcontrols();
                // if auto is true, and auto controls are requested, add them
                if (slider.settings.auto && slider.settings.autocontrols)
                    appendcontrolsauto();
                // if any control option is requested, add the controls wrapper
                if (slider.settings.controls || slider.settings.autocontrols || slider.settings.pager)
                    slider.viewport.after(slider.controls.el);
                // if ticker mode, do not allow a pager
            } else {
                slider.settings.pager = false;
            }
            // preload all images, then perform final dom / css modifications that depend on images being loaded
            loadelements(preloadselector, start);
        }

        var loadelements = function (selector, callback) {
            var total = selector.find('img, iframe').length;
            if (total == 0) {
                callback();
                return;
            }
            var count = 0;
            selector.find('img, iframe').each(function () {
                $(this).one('load', function () {
                    if (++count == total)
                        callback();
                }).each(function () {
                    if (this.complete)
                        $(this).load();
                });
            });
        }

        /**
         * start the slider
         */
        var start = function () {
            // if infinite loop, prepare additional slides
            if (slider.settings.infiniteloop && slider.settings.mode != 'fade' && !slider.settings.ticker) {
                var slice = slider.settings.mode == 'vertical' ? slider.settings.minslides : slider.settings.maxslides;
                var sliceappend = slider.children.slice(0, slice).clone().addclass('bx-clone');
                var sliceprepend = slider.children.slice(-slice).clone().addclass('bx-clone');
                el.append(sliceappend).prepend(sliceprepend);
            }
            // remove the loading dom element
            slider.loader.remove();
            // set the left / top position of "el"
            setslideposition();
            // if "vertical" mode, always use adaptiveheight to prevent odd behavior
            if (slider.settings.mode == 'vertical')
                slider.settings.adaptiveheight = true;
            // set the viewport height
            slider.viewport.height(getviewportheight());
            // make sure everything is positioned just right (same as a window resize)
            el.redrawslider();
            // onsliderload callback
            slider.settings.onsliderload(slider.active.index);
            // slider has been fully initialized
            slider.initialized = true;
            // bind the resize call to the window
            if (slider.settings.responsive)
                $(window).bind('resize', resizewindow);
            // if auto is true and has more than 1 page, start the show
            if (slider.settings.auto && slider.settings.autostart && (getpagerqty() > 1 || slider.settings.autoslideforonepage))
                initauto();
            // if ticker is true, start the ticker
            if (slider.settings.ticker)
                initticker();
            // if pager is requested, make the appropriate pager link active
            if (slider.settings.pager)
                updatepageractive(slider.settings.startslide);
            // check for any updates to the controls (like hidecontrolonend updates)
            if (slider.settings.controls)
                updatedirectioncontrols();
            // if touchenabled is true, setup the touch events
            if (slider.settings.touchenabled && !slider.settings.ticker)
                inittouch();
        }

        /**
         * returns the calculated height of the viewport, used to determine either adaptiveheight or the maxheight value
         */
        var getviewportheight = function () {
            var height = 0;
            // first determine which children (slides) should be used in our height calculation
            var children = $();
            // if mode is not "vertical" and adaptiveheight is false, include all children
            if (slider.settings.mode != 'vertical' && !slider.settings.adaptiveheight) {
                children = slider.children;
            } else {
                // if not carousel, return the single active child
                if (!slider.carousel) {
                    children = slider.children.eq(slider.active.index);
                    // if carousel, return a slice of children
                } else {
                    // get the individual slide index
                    var currentindex = slider.settings.moveslides == 1 ? slider.active.index : slider.active.index * getmoveby();
                    // add the current slide to the children
                    children = slider.children.eq(currentindex);
                    // cycle through the remaining "showing" slides
                    for (i = 1; i <= slider.settings.maxslides - 1; i++) {
                        // if looped back to the start
                        if (currentindex + i >= slider.children.length) {
                            children = children.add(slider.children.eq(i - 1));
                        } else {
                            children = children.add(slider.children.eq(currentindex + i));
                        }
                    }
                }
            }
            // if "vertical" mode, calculate the sum of the heights of the children
            if (slider.settings.mode == 'vertical') {
                children.each(function (index) {
                    height += $(this).outerheight();
                });
                // add user-supplied margins
                if (slider.settings.slidemargin > 0) {
                    height += slider.settings.slidemargin * (slider.settings.minslides - 1);
                }
                // if not "vertical" mode, calculate the max height of the children
            } else {
                height = math.max.apply(math, children.map(function () {
                    return $(this).outerheight(false);
                }).get());
            }
            if (slider.viewport.css('box-sizing') == 'border-box') {
                height += parsefloat(slider.viewport.css('padding-top')) + parsefloat(slider.viewport.css('padding-bottom')) +
                        parsefloat(slider.viewport.css('border-top-width')) + parsefloat(slider.viewport.css('border-bottom-width'));
            } else if (slider.viewport.css('box-sizing') == 'padding-box') {
                height += parsefloat(slider.viewport.css('padding-top')) + parsefloat(slider.viewport.css('padding-bottom'));
            }
			
            if (slider.settings.scale != '') {
                var scale = slider.settings.scale.split('*');
                height = (getslidewidth() / parseint(scale[0])) * parseint(scale[1]);
				slider.children.find('img').css({'height': height});
            }
            return height;
        }

        /**
         * returns the calculated width to be used for the outer wrapper / viewport
         */
        var getviewportmaxwidth = function () {
            var width = '100%';
            if (slider.settings.slidewidth > 0) {
                if (slider.settings.mode == 'horizontal') {
                    width = (slider.settings.maxslides * slider.settings.slidewidth) + ((slider.settings.maxslides - 1) * slider.settings.slidemargin);
                } else {
                    width = slider.settings.slidewidth;
                }
            }
            return width;
        }

        /**
         * returns the calculated width to be applied to each slide
         */
        var getslidewidth = function () {
            // start with any user-supplied slide width
            var newelwidth = slider.settings.slidewidth;
            // get the current viewport width
            var wrapwidth = slider.viewport.width();
            // if slide width was not supplied, or is larger than the viewport use the viewport width
            if (slider.settings.slidewidth == 0 ||
                    (slider.settings.slidewidth > wrapwidth && !slider.carousel) ||
                    slider.settings.mode == 'vertical') {
                newelwidth = wrapwidth;
                // if carousel, use the thresholds to determine the width
            } else if (slider.settings.maxslides > 1 && slider.settings.mode == 'horizontal') {
                if (wrapwidth > slider.maxthreshold) {
                    // newelwidth = (wrapwidth - (slider.settings.slidemargin * (slider.settings.maxslides - 1))) / slider.settings.maxslides;
                } else if (wrapwidth < slider.minthreshold) {
                    newelwidth = (wrapwidth - (slider.settings.slidemargin * (slider.settings.minslides - 1))) / slider.settings.minslides;
                }
            }
            return newelwidth;
        }

        /**
         * returns the number of slides currently visible in the viewport (includes partially visible slides)
         */
        var getnumberslidesshowing = function () {
            var slidesshowing = 1;
            if (slider.settings.mode == 'horizontal' && slider.settings.slidewidth > 0) {
                // if viewport is smaller than minthreshold, return minslides
                if (slider.viewport.width() < slider.minthreshold) {
                    slidesshowing = slider.settings.minslides;
                    // if viewport is larger than minthreshold, return maxslides
                } else if (slider.viewport.width() > slider.maxthreshold) {
                    slidesshowing = slider.settings.maxslides;
                    // if viewport is between min / max thresholds, divide viewport width by first child width
                } else {
                    var childwidth = slider.children.first().width() + slider.settings.slidemargin;
                    slidesshowing = math.floor((slider.viewport.width() +
                            slider.settings.slidemargin) / childwidth);
                }
                // if "vertical" mode, slides showing will always be minslides
            } else if (slider.settings.mode == 'vertical') {
                slidesshowing = slider.settings.minslides;
            }
            return slidesshowing;
        }

        /**
         * returns the number of pages (one full viewport of slides is one "page")
         */
        var getpagerqty = function () {
            var pagerqty = 0;
            // if moveslides is specified by the user
            if (slider.settings.moveslides > 0) {
                if (slider.settings.infiniteloop) {
                    pagerqty = math.ceil(slider.children.length / getmoveby());
                } else {
                    // use a while loop to determine pages
                    var breakpoint = 0;
                    var counter = 0
                    // when breakpoint goes above children length, counter is the number of pages
                    while (breakpoint < slider.children.length) {
                        ++pagerqty;
                        breakpoint = counter + getnumberslidesshowing();
                        counter += slider.settings.moveslides <= getnumberslidesshowing() ? slider.settings.moveslides : getnumberslidesshowing();
                    }
                }
                // if moveslides is 0 (auto) divide children length by sides showing, then round up
            } else {
                pagerqty = math.ceil(slider.children.length / getnumberslidesshowing());
            }
            return pagerqty;
        }

        /**
         * returns the number of indivual slides by which to shift the slider
         */
        var getmoveby = function () {
            // if moveslides was set by the user and moveslides is less than number of slides showing
            if (slider.settings.moveslides > 0 && slider.settings.moveslides <= getnumberslidesshowing()) {
                return slider.settings.moveslides;
            }
            // if moveslides is 0 (auto)
            return getnumberslidesshowing();
        }

        /**
         * sets the slider's (el) left or top position
         */
        var setslideposition = function () {
            // if last slide, not infinite loop, and number of children is larger than specified maxslides
            if (slider.children.length > slider.settings.maxslides && slider.active.last && !slider.settings.infiniteloop) {
                if (slider.settings.mode == 'horizontal') {
                    // get the last child's position
                    var lastchild = slider.children.last();
                    var position = lastchild.position();
                    // set the left position
                    setpositionproperty(-(position.left - (slider.viewport.width() - lastchild.outerwidth())), 'reset', 0);
                } else if (slider.settings.mode == 'vertical') {
                    // get the last showing index's position
                    var lastshowingindex = slider.children.length - slider.settings.minslides;
                    var position = slider.children.eq(lastshowingindex).position();
                    // set the top position
                    setpositionproperty(-position.top, 'reset', 0);
                }
                // if not last slide
            } else {
                // get the position of the first showing slide
                var position = slider.children.eq(slider.active.index * getmoveby()).position();
                // check for last slide
                if (slider.active.index == getpagerqty() - 1)
                    slider.active.last = true;
                // set the repective position
                if (position != undefined) {
                    if (slider.settings.mode == 'horizontal')
                        setpositionproperty(-position.left, 'reset', 0);
                    else if (slider.settings.mode == 'vertical')
                        setpositionproperty(-position.top, 'reset', 0);
                }
            }
        }

        /**
         * sets the el's animating property position (which in turn will sometimes animate el).
         * if using css, sets the transform property. if not using css, sets the top / left property.
         *
         * @param value (int)
         *  - the animating property's value
         *
         * @param type (string) 'slider', 'reset', 'ticker'
         *  - the type of instance for which the function is being
         *
         * @param duration (int)
         *  - the amount of time (in ms) the transition should occupy
         *
         * @param params (array) optional
         *  - an optional parameter containing any variables that need to be passed in
         */
        var setpositionproperty = function (value, type, duration, params) {
            // use css transform
            if (slider.usingcss) {
                // determine the translate3d value
                var propvalue = slider.settings.mode == 'vertical' ? 'translate3d(0, ' + value + 'px, 0)' : 'translate3d(' + value + 'px, 0, 0)';
                // add the css transition-duration
                el.css('-' + slider.cssprefix + '-transition-duration', duration / 1000 + 's');
                if (type == 'slide') {
                    // set the property value
                    el.css(slider.animprop, propvalue);
                    // bind a callback method - executes when css transition completes
                    el.bind('transitionend webkittransitionend otransitionend mstransitionend', function () {
                        // unbind the callback
                        el.unbind('transitionend webkittransitionend otransitionend mstransitionend');
                        updateafterslidetransition();
                    });
                } else if (type == 'reset') {
                    el.css(slider.animprop, propvalue);
                } else if (type == 'ticker') {
                    // make the transition use 'linear'
                    el.css('-' + slider.cssprefix + '-transition-timing-function', 'linear');
                    el.css(slider.animprop, propvalue);
                    // bind a callback method - executes when css transition completes
                    el.bind('transitionend webkittransitionend otransitionend mstransitionend', function () {
                        // unbind the callback
                        el.unbind('transitionend webkittransitionend otransitionend mstransitionend');
                        // reset the position
                        setpositionproperty(params['resetvalue'], 'reset', 0);
                        // start the loop again
                        tickerloop();
                    });
                }
                // use js animate
            } else {
                var animateobj = {};
                animateobj[slider.animprop] = value;
                if (type == 'slide') {
                    el.animate(animateobj, duration, slider.settings.easing, function () {
                        updateafterslidetransition();
                    });
                } else if (type == 'reset') {
                    el.css(slider.animprop, value)
                } else if (type == 'ticker') {
                    el.animate(animateobj, speed, 'linear', function () {
                        setpositionproperty(params['resetvalue'], 'reset', 0);
                        // run the recursive loop after animation
                        tickerloop();
                    });
                }
            }
        }

        /**
         * populates the pager with proper amount of pages
         */
        var populatepager = function () {
            var pagerhtml = '';
            var pagerqty = getpagerqty();
            // loop through each pager item
            for (var i = 0; i < pagerqty; i++) {
                var linkcontent = '';
                // if a buildpager function is supplied, use it to get pager link value, else use index + 1
                if (slider.settings.buildpager && $.isfunction(slider.settings.buildpager)) {
                    linkcontent = slider.settings.buildpager(i);
                    slider.pagerel.addclass('bx-custom-pager');
                } else {
                    linkcontent = i + 1;
                    slider.pagerel.addclass('bx-default-pager');
                }
                // var linkcontent = slider.settings.buildpager && $.isfunction(slider.settings.buildpager) ? slider.settings.buildpager(i) : i + 1;
                // add the markup to the string
                pagerhtml += '<div class="bx-pager-item"><a href="" data-slide-index="' + i + '" class="bx-pager-link">' + linkcontent + '</a></div>';
            }
            ;
            // populate the pager element with pager links
            slider.pagerel.html(pagerhtml);
        }

        /**
         * appends the pager to the controls element
         */
        var appendpager = function () {
            if (!slider.settings.pagercustom) {
                // create the pager dom element
                slider.pagerel = $('<div class="bx-pager" />');
                // if a pager selector was supplied, populate it with the pager
                if (slider.settings.pagerselector) {
                    $(slider.settings.pagerselector).html(slider.pagerel);
                    // if no pager selector was supplied, add it after the wrapper
                } else {
                    slider.controls.el.addclass('bx-has-pager').append(slider.pagerel);
                }
                // populate the pager
                populatepager();
            } else {
                slider.pagerel = $(slider.settings.pagercustom);
            }
            // assign the pager click binding
            slider.pagerel.on('click', 'a', clickpagerbind);
        }

        /**
         * appends prev / next controls to the controls element
         */
        var appendcontrols = function () {
            slider.controls.next = $('<a class="bx-next" href="">' + slider.settings.nexttext + '</a>');
            slider.controls.prev = $('<a class="bx-prev" href="">' + slider.settings.prevtext + '</a>');
            // bind click actions to the controls
            slider.controls.next.bind('click', clicknextbind);
            slider.controls.prev.bind('click', clickprevbind);
            // if nextslector was supplied, populate it
            if (slider.settings.nextselector) {
                $(slider.settings.nextselector).append(slider.controls.next);
            }
            // if prevslector was supplied, populate it
            if (slider.settings.prevselector) {
                $(slider.settings.prevselector).append(slider.controls.prev);
            }
            // if no custom selectors were supplied
            if (!slider.settings.nextselector && !slider.settings.prevselector) {
                // add the controls to the dom
                slider.controls.directionel = $('<div class="bx-controls-direction" />');
                // add the control elements to the directionel
                slider.controls.directionel.append(slider.controls.prev).append(slider.controls.next);
                // slider.viewport.append(slider.controls.directionel);
                slider.controls.el.addclass('bx-has-controls-direction').append(slider.controls.directionel);
            }
        }

        /**
         * appends start / stop auto controls to the controls element
         */
        var appendcontrolsauto = function () {
            slider.controls.start = $('<div class="bx-controls-auto-item"><a class="bx-start" href="">' + slider.settings.starttext + '</a></div>');
            slider.controls.stop = $('<div class="bx-controls-auto-item"><a class="bx-stop" href="">' + slider.settings.stoptext + '</a></div>');
            // add the controls to the dom
            slider.controls.autoel = $('<div class="bx-controls-auto" />');
            // bind click actions to the controls
            slider.controls.autoel.on('click', '.bx-start', clickstartbind);
            slider.controls.autoel.on('click', '.bx-stop', clickstopbind);
            // if autocontrolscombine, insert only the "start" control
            if (slider.settings.autocontrolscombine) {
                slider.controls.autoel.append(slider.controls.start);
                // if autocontrolscombine is false, insert both controls
            } else {
                slider.controls.autoel.append(slider.controls.start).append(slider.controls.stop);
            }
            // if auto controls selector was supplied, populate it with the controls
            if (slider.settings.autocontrolsselector) {
                $(slider.settings.autocontrolsselector).html(slider.controls.autoel);
                // if auto controls selector was not supplied, add it after the wrapper
            } else {
                slider.controls.el.addclass('bx-has-controls-auto').append(slider.controls.autoel);
            }
            // update the auto controls
            updateautocontrols(slider.settings.autostart ? 'stop' : 'start');
        }

        /**
         * appends image captions to the dom
         */
        var appendcaptions = function () {
            // cycle through each child
            slider.children.each(function (index) {
                // get the image title attribute
                var title = $(this).find('img:first').attr('title');
                // append the caption
                if (title != undefined && ('' + title).length) {
                    $(this).append('<div class="bx-caption"><span>' + title + '</span></div>');
                }
            });
        }

        /**
         * click next binding
         *
         * @param e (event)
         *  - dom event object
         */
        var clicknextbind = function (e) {
            // if auto show is running, stop it
            if (slider.settings.auto)
                el.stopauto();
            el.gotonextslide();
            e.preventdefault();
        }

        /**
         * click prev binding
         *
         * @param e (event)
         *  - dom event object
         */
        var clickprevbind = function (e) {
            // if auto show is running, stop it
            if (slider.settings.auto)
                el.stopauto();
            el.gotoprevslide();
            e.preventdefault();
        }

        /**
         * click start binding
         *
         * @param e (event)
         *  - dom event object
         */
        var clickstartbind = function (e) {
            el.startauto();
            e.preventdefault();
        }

        /**
         * click stop binding
         *
         * @param e (event)
         *  - dom event object
         */
        var clickstopbind = function (e) {
            el.stopauto();
            e.preventdefault();
        }

        /**
         * click pager binding
         *
         * @param e (event)
         *  - dom event object
         */
        var clickpagerbind = function (e) {
            // if auto show is running, stop it
            if (slider.settings.auto)
                el.stopauto();
            var pagerlink = $(e.currenttarget);
            if (pagerlink.attr('data-slide-index') !== undefined) {
                var pagerindex = parseint(pagerlink.attr('data-slide-index'));
                // if clicked pager link is not active, continue with the gotoslide call
                if (pagerindex != slider.active.index)
                    el.gotoslide(pagerindex);
                e.preventdefault();
            }
        }

        /**
         * updates the pager links with an active class
         *
         * @param slideindex (int)
         *  - index of slide to make active
         */
        var updatepageractive = function (slideindex) {
            // if "short" pager type
            var len = slider.children.length; // nb of children
            if (slider.settings.pagertype == 'short') {
                if (slider.settings.maxslides > 1) {
                    len = math.ceil(slider.children.length / slider.settings.maxslides);
                }
                slider.pagerel.html((slideindex + 1) + slider.settings.pagershortseparator + len);
                return;
            }
            // remove all pager active classes
            slider.pagerel.find('a').removeclass('active');
            // apply the active class for all pagers
            slider.pagerel.each(function (i, el) {
                $(el).find('a').eq(slideindex).addclass('active');
            });
        }

        /**
         * performs needed actions after a slide transition
         */
        var updateafterslidetransition = function () {
            // if infinte loop is true
            if (slider.settings.infiniteloop) {
                var position = '';
                // first slide
                if (slider.active.index == 0) {
                    // set the new position
                    position = slider.children.eq(0).position();
                    // carousel, last slide
                } else if (slider.active.index == getpagerqty() - 1 && slider.carousel) {
                    position = slider.children.eq((getpagerqty() - 1) * getmoveby()).position();
                    // last slide
                } else if (slider.active.index == slider.children.length - 1) {
                    position = slider.children.eq(slider.children.length - 1).position();
                }
                if (position) {
                    if (slider.settings.mode == 'horizontal') {
                        setpositionproperty(-position.left, 'reset', 0);
                    } else if (slider.settings.mode == 'vertical') {
                        setpositionproperty(-position.top, 'reset', 0);
                    }
                }
            }
            // declare that the transition is complete
            slider.working = false;
            // onslideafter callback
            slider.settings.onslideafter(slider.children.eq(slider.active.index), slider.oldindex, slider.active.index);
        }

        /**
         * updates the auto controls state (either active, or combined switch)
         *
         * @param state (string) "start", "stop"
         *  - the new state of the auto show
         */
        var updateautocontrols = function (state) {
            // if autocontrolscombine is true, replace the current control with the new state
            if (slider.settings.autocontrolscombine) {
                slider.controls.autoel.html(slider.controls[state]);
                // if autocontrolscombine is false, apply the "active" class to the appropriate control
            } else {
                slider.controls.autoel.find('a').removeclass('active');
                slider.controls.autoel.find('a:not(.bx-' + state + ')').addclass('active');
            }
        }

        /**
         * updates the direction controls (checks if either should be hidden)
         */
        var updatedirectioncontrols = function () {
            if (getpagerqty() == 1) {
                slider.controls.prev.addclass('disabled');
                slider.controls.next.addclass('disabled');
            } else if (!slider.settings.infiniteloop && slider.settings.hidecontrolonend) {
                // if first slide
                if (slider.active.index == 0) {
                    slider.controls.prev.addclass('disabled');
                    slider.controls.next.removeclass('disabled');
                    // if last slide
                } else if (slider.active.index == getpagerqty() - 1) {
                    slider.controls.next.addclass('disabled');
                    slider.controls.prev.removeclass('disabled');
                    // if any slide in the middle
                } else {
                    slider.controls.prev.removeclass('disabled');
                    slider.controls.next.removeclass('disabled');
                }
            }
        }

        /**
         * initialzes the auto process
         */
        var initauto = function () {
            // if autodelay was supplied, launch the auto show using a settimeout() call
            if (slider.settings.autodelay > 0) {
                var timeout = settimeout(el.startauto, slider.settings.autodelay);
                // if autodelay was not supplied, start the auto show normally
            } else {
                el.startauto();
            }
            // if autohover is requested
            if (slider.settings.autohover) {
                // on el hover
                el.hover(function () {
                    // if the auto show is currently playing (has an active interval)
                    if (slider.interval) {
                        // stop the auto show and pass true agument which will prevent control update
                        el.stopauto(true);
                        // create a new autopaused value which will be used by the relative "mouseout" event
                        slider.autopaused = true;
                    }
                }, function () {
                    // if the autopaused value was created be the prior "mouseover" event
                    if (slider.autopaused) {
                        // start the auto show and pass true agument which will prevent control update
                        el.startauto(true);
                        // reset the autopaused value
                        slider.autopaused = null;
                    }
                });
            }
        }

        /**
         * initialzes the ticker process
         */
        var initticker = function () {
            var startposition = 0;
            // if autodirection is "next", append a clone of the entire slider
            if (slider.settings.autodirection == 'next') {
                el.append(slider.children.clone().addclass('bx-clone'));
                // if autodirection is "prev", prepend a clone of the entire slider, and set the left position
            } else {
                el.prepend(slider.children.clone().addclass('bx-clone'));
                var position = slider.children.first().position();
                startposition = slider.settings.mode == 'horizontal' ? -position.left : -position.top;
            }
            setpositionproperty(startposition, 'reset', 0);
            // do not allow controls in ticker mode
            slider.settings.pager = false;
            slider.settings.controls = false;
            slider.settings.autocontrols = false;
            // if autohover is requested
            if (slider.settings.tickerhover && !slider.usingcss) {
                // on el hover
                slider.viewport.hover(function () {
                    el.stop();
                }, function () {
                    // calculate the total width of children (used to calculate the speed ratio)
                    var totaldimens = 0;
                    slider.children.each(function (index) {
                        totaldimens += slider.settings.mode == 'horizontal' ? $(this).outerwidth(true) : $(this).outerheight(true);
                    });
                    // calculate the speed ratio (used to determine the new speed to finish the paused animation)
                    var ratio = slider.settings.speed / totaldimens;
                    // determine which property to use
                    var property = slider.settings.mode == 'horizontal' ? 'left' : 'top';
                    // calculate the new speed
                    var newspeed = ratio * (totaldimens - (math.abs(parseint(el.css(property)))));
                    tickerloop(newspeed);
                });
            }
            // start the ticker loop
            tickerloop();
        }

        /**
         * runs a continuous loop, news ticker-style
         */
        var tickerloop = function (resumespeed) {
            speed = resumespeed ? resumespeed : slider.settings.speed;
            var position = {left: 0, top: 0};
            var reset = {left: 0, top: 0};
            // if "next" animate left position to last child, then reset left to 0
            if (slider.settings.autodirection == 'next') {
                position = el.find('.bx-clone').first().position();
                // if "prev" animate left position to 0, then reset left to first non-clone child
            } else {
                reset = slider.children.first().position();
            }
            var animateproperty = slider.settings.mode == 'horizontal' ? -position.left : -position.top;
            var resetvalue = slider.settings.mode == 'horizontal' ? -reset.left : -reset.top;
            var params = {resetvalue: resetvalue};
            setpositionproperty(animateproperty, 'ticker', speed, params);
        }

        /**
         * initializes touch events
         */
        var inittouch = function () {
            // initialize object to contain all touch values
            slider.touch = {
                start: {x: 0, y: 0},
                end: {x: 0, y: 0}
            }
            slider.viewport.bind('touchstart', ontouchstart);
        }

        /**
         * event handler for "touchstart"
         *
         * @param e (event)
         *  - dom event object
         */
        var ontouchstart = function (e) {
            if (slider.working) {
                e.preventdefault();
            } else {
                // record the original position when touch starts
                slider.touch.originalpos = el.position();
                var orig = e.originalevent;
                // record the starting touch x, y coordinates
                slider.touch.start.x = orig.changedtouches[0].pagex;
                slider.touch.start.y = orig.changedtouches[0].pagey;
                // bind a "touchmove" event to the viewport
                slider.viewport.bind('touchmove', ontouchmove);
                // bind a "touchend" event to the viewport
                slider.viewport.bind('touchend', ontouchend);
            }
        }

        /**
         * event handler for "touchmove"
         *
         * @param e (event)
         *  - dom event object
         */
        var ontouchmove = function (e) {
            var orig = e.originalevent;
            // if scrolling on y axis, do not prevent default
            var xmovement = math.abs(orig.changedtouches[0].pagex - slider.touch.start.x);
            var ymovement = math.abs(orig.changedtouches[0].pagey - slider.touch.start.y);
            // x axis swipe
            if ((xmovement * 3) > ymovement && slider.settings.preventdefaultswipex) {
                e.preventdefault();
                // y axis swipe
            } else if ((ymovement * 3) > xmovement && slider.settings.preventdefaultswipey) {
                e.preventdefault();
            }
            if (slider.settings.mode != 'fade' && slider.settings.onetoonetouch) {
                var value = 0;
                // if horizontal, drag along x axis
                if (slider.settings.mode == 'horizontal') {
                    var change = orig.changedtouches[0].pagex - slider.touch.start.x;
                    value = slider.touch.originalpos.left + change;
                    // if vertical, drag along y axis
                } else {
                    var change = orig.changedtouches[0].pagey - slider.touch.start.y;
                    value = slider.touch.originalpos.top + change;
                }
                setpositionproperty(value, 'reset', 0);
            }
        }

        /**
         * event handler for "touchend"
         *
         * @param e (event)
         *  - dom event object
         */
        var ontouchend = function (e) {
            slider.viewport.unbind('touchmove', ontouchmove);
            var orig = e.originalevent;
            var value = 0;
            // record end x, y positions
            slider.touch.end.x = orig.changedtouches[0].pagex;
            slider.touch.end.y = orig.changedtouches[0].pagey;
            // if fade mode, check if absolute x distance clears the threshold
            if (slider.settings.mode == 'fade') {
                var distance = math.abs(slider.touch.start.x - slider.touch.end.x);
                if (distance >= slider.settings.swipethreshold) {
                    slider.touch.start.x > slider.touch.end.x ? el.gotonextslide() : el.gotoprevslide();
                    el.stopauto();
                }
                // not fade mode
            } else {
                var distance = 0;
                // calculate distance and el's animate property
                if (slider.settings.mode == 'horizontal') {
                    distance = slider.touch.end.x - slider.touch.start.x;
                    value = slider.touch.originalpos.left;
                } else {
                    distance = slider.touch.end.y - slider.touch.start.y;
                    value = slider.touch.originalpos.top;
                }
                // if not infinite loop and first / last slide, do not attempt a slide transition
                if (!slider.settings.infiniteloop && ((slider.active.index == 0 && distance > 0) || (slider.active.last && distance < 0))) {
                    setpositionproperty(value, 'reset', 200);
                } else {
                    // check if distance clears threshold
                    if (math.abs(distance) >= slider.settings.swipethreshold) {
                        distance < 0 ? el.gotonextslide() : el.gotoprevslide();
                        el.stopauto();
                    } else {
                        // el.animate(property, 200);
                        setpositionproperty(value, 'reset', 200);
                    }
                }
            }
            slider.viewport.unbind('touchend', ontouchend);
        }

        /**
         * window resize event callback
         */
        var resizewindow = function (e) {
            // don't do anything if slider isn't initialized.
            if (!slider.initialized)
                return;
            // get the new window dimens (again, thank you ie)
            var windowwidthnew = $(window).width();
            var windowheightnew = $(window).height();
            // make sure that it is a true window resize
            // *we must check this because our dinosaur friend ie fires a window resize event when certain dom elements
            // are resized. can you just die already?*
            if (windowwidth != windowwidthnew || windowheight != windowheightnew) {
                // set the new window dimens
                windowwidth = windowwidthnew;
                windowheight = windowheightnew;
                // update all dynamic elements
                el.redrawslider();
                // call user resize handler
                slider.settings.onsliderresize.call(el, slider.active.index);
            }
        }

        /**
         * ===================================================================================
         * = public functions
         * ===================================================================================
         */

        /**
         * performs slide transition to the specified slide
         *
         * @param slideindex (int)
         *  - the destination slide's index (zero-based)
         *
         * @param direction (string)
         *  - internal use only - the direction of travel ("prev" / "next")
         */
        el.gotoslide = function (slideindex, direction) {
            // if plugin is currently in motion, ignore request
            if (slider.working || slider.active.index == slideindex)
                return;
            // declare that plugin is in motion
            slider.working = true;
            // store the old index
            slider.oldindex = slider.active.index;
            // if slideindex is less than zero, set active index to last child (this happens during infinite loop)
            if (slideindex < 0) {
                slider.active.index = getpagerqty() - 1;
                // if slideindex is greater than children length, set active index to 0 (this happens during infinite loop)
            } else if (slideindex >= getpagerqty()) {
                slider.active.index = 0;
                // set active index to requested slide
            } else {
                slider.active.index = slideindex;
            }
            // onslidebefore, onslidenext, onslideprev callbacks
            slider.settings.onslidebefore(slider.children.eq(slider.active.index), slider.oldindex, slider.active.index);
            if (direction == 'next') {
                slider.settings.onslidenext(slider.children.eq(slider.active.index), slider.oldindex, slider.active.index);
            } else if (direction == 'prev') {
                slider.settings.onslideprev(slider.children.eq(slider.active.index), slider.oldindex, slider.active.index);
            }
            // check if last slide
            slider.active.last = slider.active.index >= getpagerqty() - 1;
            // update the pager with active class
            if (slider.settings.pager)
                updatepageractive(slider.active.index);
            // // check for direction control update
            if (slider.settings.controls)
                updatedirectioncontrols();
            // if slider is set to mode: "fade"
            if (slider.settings.mode == 'fade') {
				// if adaptiveheight is true and next height is different from current height, animate to the new height
                if (slider.settings.adaptiveheight && slider.viewport.height() != getviewportheight()) {
                    slider.viewport.animate({height: getviewportheight()}, slider.settings.adaptiveheightspeed);
                }
                // fade out the visible child and reset its z-index value
                slider.children.filter(':visible').fadeout(slider.settings.speed).css({zindex: 0});
                // fade in the newly requested slide
                slider.children.eq(slider.active.index).css('zindex', slider.settings.slidezindex + 1).fadein(slider.settings.speed, function () {
                    $(this).css('zindex', slider.settings.slidezindex);
                    updateafterslidetransition();
                });
                // slider mode is not "fade"
            } else {
                // if adaptiveheight is true and next height is different from current height, animate to the new height
                if (slider.settings.adaptiveheight && slider.viewport.height() != getviewportheight()) {
                    slider.viewport.animate({height: getviewportheight()}, slider.settings.adaptiveheightspeed);
                }
                var moveby = 0;
                var position = {left: 0, top: 0};
                // if carousel and not infinite loop
                if (!slider.settings.infiniteloop && slider.carousel && slider.active.last) {
                    if (slider.settings.mode == 'horizontal') {
                        // get the last child position
                        var lastchild = slider.children.eq(slider.children.length - 1);
                        position = lastchild.position();
                        // calculate the position of the last slide
                        moveby = slider.viewport.width() - lastchild.outerwidth();
                    } else {
                        // get last showing index position
                        var lastshowingindex = slider.children.length - slider.settings.minslides;
                        position = slider.children.eq(lastshowingindex).position();
                    }
                    // horizontal carousel, going previous while on first slide (infiniteloop mode)
                } else if (slider.carousel && slider.active.last && direction == 'prev') {
                    // get the last child position
                    var eq = slider.settings.moveslides == 1 ? slider.settings.maxslides - getmoveby() : ((getpagerqty() - 1) * getmoveby()) - (slider.children.length - slider.settings.maxslides);
                    var lastchild = el.children('.bx-clone').eq(eq);
                    position = lastchild.position();
                    // if infinite loop and "next" is clicked on the last slide
                } else if (direction == 'next' && slider.active.index == 0) {
                    // get the last clone position
                    position = el.find('> .bx-clone').eq(slider.settings.maxslides).position();
                    slider.active.last = false;
                    // normal non-zero requests
                } else if (slideindex >= 0) {
                    var requestel = slideindex * getmoveby();
                    position = slider.children.eq(requestel).position();
                }

                /* if the position doesn't exist
                 * (e.g. if you destroy the slider on a next click),
                 * it doesn't throw an error.
                 */
                if ("undefined" !== typeof (position)) {
                    var value = slider.settings.mode == 'horizontal' ? -(position.left - moveby) : -position.top;
                    // plugin values to be animated
                    setpositionproperty(value, 'slide', slider.settings.speed);
                }
            }
        }

        /**
         * transitions to the next slide in the show
         */
        el.gotonextslide = function () {
            // if infiniteloop is false and last page is showing, disregard call
            if (!slider.settings.infiniteloop && slider.active.last)
                return;
            var pagerindex = parseint(slider.active.index) + 1;
            el.gotoslide(pagerindex, 'next');
        }

        /**
         * transitions to the prev slide in the show
         */
        el.gotoprevslide = function () {
            // if infiniteloop is false and last page is showing, disregard call
            if (!slider.settings.infiniteloop && slider.active.index == 0)
                return;
            var pagerindex = parseint(slider.active.index) - 1;
            el.gotoslide(pagerindex, 'prev');
        }

        /**
         * starts the auto show
         *
         * @param preventcontrolupdate (boolean)
         *  - if true, auto controls state will not be updated
         */
        el.startauto = function (preventcontrolupdate) {
            // if an interval already exists, disregard call
            if (slider.interval)
                return;
            // create an interval
            slider.interval = setinterval(function () {
                slider.settings.autodirection == 'next' ? el.gotonextslide() : el.gotoprevslide();
            }, slider.settings.pause);
            // if auto controls are displayed and preventcontrolupdate is not true
            if (slider.settings.autocontrols && preventcontrolupdate != true)
                updateautocontrols('stop');
        }

        /**
         * stops the auto show
         *
         * @param preventcontrolupdate (boolean)
         *  - if true, auto controls state will not be updated
         */
        el.stopauto = function (preventcontrolupdate) {
            // if no interval exists, disregard call
            if (!slider.interval)
                return;
            // clear the interval
            clearinterval(slider.interval);
            slider.interval = null;
            // if auto controls are displayed and preventcontrolupdate is not true
            if (slider.settings.autocontrols && preventcontrolupdate != true)
                updateautocontrols('start');
        }

        /**
         * returns current slide index (zero-based)
         */
        el.getcurrentslide = function () {
            return slider.active.index;
        }

        /**
         * returns current slide element
         */
        el.getcurrentslideelement = function () {
            return slider.children.eq(slider.active.index);
        }

        /**
         * returns number of slides in show
         */
        el.getslidecount = function () {
            return slider.children.length;
        }

        /**
         * update all dynamic slider elements
         */
        el.redrawslider = function () {
            // resize all children in ratio to new screen size
            slider.children.add(el.find('.bx-clone')).width(getslidewidth());
            // adjust the height
            slider.viewport.css('height', getviewportheight());
            // update the slide position
            if (!slider.settings.ticker)
                setslideposition();
            // if active.last was true before the screen resize, we want
            // to keep it last no matter what screen size we end on
            if (slider.active.last)
                slider.active.index = getpagerqty() - 1;
            // if the active index (page) no longer exists due to the resize, simply set the index as last
            if (slider.active.index >= getpagerqty())
                slider.active.last = true;
            // if a pager is being displayed and a custom pager is not being used, update it
            if (slider.settings.pager && !slider.settings.pagercustom) {
                populatepager();
                updatepageractive(slider.active.index);
            }
        }

        /**
         * destroy the current instance of the slider (revert everything back to original state)
         */
        el.destroyslider = function () {
            // don't do anything if slider has already been destroyed
            if (!slider.initialized)
                return;
            slider.initialized = false;
            $('.bx-clone', this).remove();
            slider.children.each(function () {
                $(this).data("origstyle") != undefined ? $(this).attr("style", $(this).data("origstyle")) : $(this).removeattr('style');
            });
            $(this).data("origstyle") != undefined ? this.attr("style", $(this).data("origstyle")) : $(this).removeattr('style');
            $(this).unwrap().unwrap();
            if (slider.controls.el)
                slider.controls.el.remove();
            if (slider.controls.next)
                slider.controls.next.remove();
            if (slider.controls.prev)
                slider.controls.prev.remove();
            if (slider.pagerel && slider.settings.controls)
                slider.pagerel.remove();
            $('.bx-caption', this).remove();
            if (slider.controls.autoel)
                slider.controls.autoel.remove();
            clearinterval(slider.interval);
            if (slider.settings.responsive)
                $(window).unbind('resize', resizewindow);
        }

        /**
         * reload the slider (revert all dom changes, and re-initialize)
         */
        el.reloadslider = function (settings) {
            if (settings != undefined)
                options = settings;
            el.destroyslider();
            init();
        }

        init();

        // returns the current jquery object
        return this;
    }

})(jquery);