ACE3/docs/js/footer.dev.js

/* Modernizr 2.8.3 (Custom Build) | MIT & BSD
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/*! picturefill - v3.0.2 - 2016-02-12
 * https://scottjehl.github.io/picturefill/
 * Copyright (c) 2016 https://github.com/scottjehl/picturefill/blob/master/Authors.txt; Licensed MIT
 */
/*! Gecko-Picture - v1.0
 * https://github.com/scottjehl/picturefill/tree/3.0/src/plugins/gecko-picture
 * Firefox's early picture implementation (prior to FF41) is static and does
 * not react to viewport changes. This tiny module fixes this.
 */
(function (window) {
    /*jshint eqnull:true */
    var ua = navigator.userAgent;

    if (window.HTMLPictureElement && ((/ecko/).test(ua) && ua.match(/rv\:(\d+)/) && RegExp.$1 < 45)) {
        addEventListener("resize", (function () {
            var timer;

            var dummySrc = document.createElement("source");

            var fixRespimg = function (img) {
                var source, sizes;
                var picture = img.parentNode;

                if (picture.nodeName.toUpperCase() === "PICTURE") {
                    source = dummySrc.cloneNode();

                    picture.insertBefore(source, picture.firstElementChild);
                    setTimeout(function () {
                        picture.removeChild(source);
                    });
                } else if (!img._pfLastSize || img.offsetWidth > img._pfLastSize) {
                    img._pfLastSize = img.offsetWidth;
                    sizes = img.sizes;
                    img.sizes += ",100vw";
                    setTimeout(function () {
                        img.sizes = sizes;
                    });
                }
            };

            var findPictureImgs = function () {
                var i;
                var imgs = document.querySelectorAll("picture > img, img[srcset][sizes]");
                for (i = 0; i < imgs.length; i++) {
                    fixRespimg(imgs[i]);
                }
            };
            var onResize = function () {
                clearTimeout(timer);
                timer = setTimeout(findPictureImgs, 99);
            };
            var mq = window.matchMedia && matchMedia("(orientation: landscape)");
            var init = function () {
                onResize();

                if (mq && mq.addListener) {
                    mq.addListener(onResize);
                }
            };

            dummySrc.srcset = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==";

            if (/^[c|i]|d$/.test(document.readyState || "")) {
                init();
            } else {
                document.addEventListener("DOMContentLoaded", init);
            }

            return onResize;
        })());
    }
})(window);

/*! Picturefill - v3.0.2
 * http://scottjehl.github.io/picturefill
 * Copyright (c) 2015 https://github.com/scottjehl/picturefill/blob/master/Authors.txt;
 *  License: MIT
 */

(function (window, document, undefined) {
    // Enable strict mode
    "use strict";

    // HTML shim|v it for old IE (IE9 will still need the HTML video tag workaround)
    document.createElement("picture");

    var warn, eminpx, alwaysCheckWDescriptor, evalId;
    // local object for method references and testing exposure
    var pf = {};
    var isSupportTestReady = false;
    var noop = function () {
    };
    var image = document.createElement("img");
    var getImgAttr = image.getAttribute;
    var setImgAttr = image.setAttribute;
    var removeImgAttr = image.removeAttribute;
    var docElem = document.documentElement;
    var types = {};
    var cfg = {
        //resource selection:
        algorithm: ""
    };
    var srcAttr = "data-pfsrc";
    var srcsetAttr = srcAttr + "set";
    // ua sniffing is done for undetectable img loading features,
    // to do some non crucial perf optimizations
    var ua = navigator.userAgent;
    var supportAbort = (/rident/).test(ua) || ((/ecko/).test(ua) && ua.match(/rv\:(\d+)/) && RegExp.$1 > 35 );
    var curSrcProp = "currentSrc";
    var regWDesc = /\s+\+?\d+(e\d+)?w/;
    var regSize = /(\([^)]+\))?\s*(.+)/;
    var setOptions = window.picturefillCFG;
    /**
     * Shortcut property for https://w3c.github.io/webappsec/specs/mixedcontent/#restricts-mixed-content ( for easy overriding in tests )
     */
        // baseStyle also used by getEmValue (i.e.: width: 1em is important)
    var baseStyle = "position:absolute;left:0;visibility:hidden;display:block;padding:0;border:none;font-size:1em;width:1em;overflow:hidden;clip:rect(0px, 0px, 0px, 0px)";
    var fsCss = "font-size:100%!important;";
    var isVwDirty = true;

    var cssCache = {};
    var sizeLengthCache = {};
    var DPR = window.devicePixelRatio;
    var units = {
        px: 1,
        "in": 96
    };
    var anchor = document.createElement("a");
    /**
     * alreadyRun flag used for setOptions. is it true setOptions will reevaluate
     * @type {boolean}
     */
    var alreadyRun = false;

    // Reusable, non-"g" Regexes

    // (Don't use \s, to avoid matching non-breaking space.)
    var regexLeadingSpaces = /^[ \t\n\r\u000c]+/,
        regexLeadingCommasOrSpaces = /^[, \t\n\r\u000c]+/,
        regexLeadingNotSpaces = /^[^ \t\n\r\u000c]+/,
        regexTrailingCommas = /[,]+$/,
        regexNonNegativeInteger = /^\d+$/,

        // ( Positive or negative or unsigned integers or decimals, without or without exponents.
        // Must include at least one digit.
        // According to spec tests any decimal point must be followed by a digit.
        // No leading plus sign is allowed.)
        // https://html.spec.whatwg.org/multipage/infrastructure.html#valid-floating-point-number
        regexFloatingPoint = /^-?(?:[0-9]+|[0-9]*\.[0-9]+)(?:[eE][+-]?[0-9]+)?$/;

    var on = function (obj, evt, fn, capture) {
        if (obj.addEventListener) {
            obj.addEventListener(evt, fn, capture || false);
        } else if (obj.attachEvent) {
            obj.attachEvent("on" + evt, fn);
        }
    };

    /**
     * simple memoize function:
     */

    var memoize = function (fn) {
        var cache = {};
        return function (input) {
            if (!(input in cache)) {
                cache[input] = fn(input);
            }
            return cache[input];
        };
    };

    // UTILITY FUNCTIONS

    // Manual is faster than RegEx
    // http://jsperf.com/whitespace-character/5
    function isSpace(c) {
        return (c === "\u0020" || // space
        c === "\u0009" || // horizontal tab
        c === "\u000A" || // new line
        c === "\u000C" || // form feed
        c === "\u000D");  // carriage return
    }

    /**
     * gets a mediaquery and returns a boolean or gets a css length and returns a number
     * @param css mediaqueries or css length
     * @returns {boolean|number}
     *
     * based on: https://gist.github.com/jonathantneal/db4f77009b155f083738
     */
    var evalCSS = (function () {

        var regLength = /^([\d\.]+)(em|vw|px)$/;
        var replace = function () {
            var args = arguments, index = 0, string = args[0];
            while (++index in args) {
                string = string.replace(args[index], args[++index]);
            }
            return string;
        };

        var buildStr = memoize(function (css) {

            return "return " + replace((css || "").toLowerCase(),
                    // interpret `and`
                    /\band\b/g, "&&",

                    // interpret `,`
                    /,/g, "||",

                    // interpret `min-` as >=
                    /min-([a-z-\s]+):/g, "e.$1>=",

                    // interpret `max-` as <=
                    /max-([a-z-\s]+):/g, "e.$1<=",

                    //calc value
                    /calc([^)]+)/g, "($1)",

                    // interpret css values
                    /(\d+[\.]*[\d]*)([a-z]+)/g, "($1 * e.$2)",
                    //make eval less evil
                    /^(?!(e.[a-z]|[0-9\.&=|><\+\-\*\(\)\/])).*/ig, ""
                ) + ";";
        });

        return function (css, length) {
            var parsedLength;
            if (!(css in cssCache)) {
                cssCache[css] = false;
                if (length && (parsedLength = css.match(regLength))) {
                    cssCache[css] = parsedLength[1] * units[parsedLength[2]];
                } else {
                    /*jshint evil:true */
                    try {
                        cssCache[css] = new Function("e", buildStr(css))(units);
                    } catch (e) {
                    }
                    /*jshint evil:false */
                }
            }
            return cssCache[css];
        };
    })();

    var setResolution = function (candidate, sizesattr) {
        if (candidate.w) { // h = means height: || descriptor.type === 'h' do not handle yet...
            candidate.cWidth = pf.calcListLength(sizesattr || "100vw");
            candidate.res = candidate.w / candidate.cWidth;
        } else {
            candidate.res = candidate.d;
        }
        return candidate;
    };

    /**
     *
     * @param opt
     */
    var picturefill = function (opt) {

        if (!isSupportTestReady) {
            return;
        }

        var elements, i, plen;

        var options = opt || {};

        if (options.elements && options.elements.nodeType === 1) {
            if (options.elements.nodeName.toUpperCase() === "IMG") {
                options.elements = [options.elements];
            } else {
                options.context = options.elements;
                options.elements = null;
            }
        }

        elements = options.elements || pf.qsa((options.context || document), ( options.reevaluate || options.reselect ) ? pf.sel : pf.selShort);

        if ((plen = elements.length)) {

            pf.setupRun(options);
            alreadyRun = true;

            // Loop through all elements
            for (i = 0; i < plen; i++) {
                pf.fillImg(elements[i], options);
            }

            pf.teardownRun(options);
        }
    };

    /**
     * outputs a warning for the developer
     * @param {message}
     * @type {Function}
     */
    warn = ( window.console && console.warn ) ?
        function (message) {
            console.warn(message);
        } :
        noop
    ;

    if (!(curSrcProp in image)) {
        curSrcProp = "src";
    }

    // Add support for standard mime types.
    types["image/jpeg"] = true;
    types["image/gif"] = true;
    types["image/png"] = true;

    function detectTypeSupport(type, typeUri) {
        // based on Modernizr's lossless img-webp test
        // note: asynchronous
        var image = new window.Image();
        image.onerror = function () {
            types[type] = false;
            picturefill();
        };
        image.onload = function () {
            types[type] = image.width === 1;
            picturefill();
        };
        image.src = typeUri;
        return "pending";
    }

    // test svg support
    types["image/svg+xml"] = document.implementation.hasFeature("http://www.w3.org/TR/SVG11/feature#Image", "1.1");

    /**
     * updates the internal vW property with the current viewport width in px
     */
    function updateMetrics() {

        isVwDirty = false;
        DPR = window.devicePixelRatio;
        cssCache = {};
        sizeLengthCache = {};

        pf.DPR = DPR || 1;

        units.width = Math.max(window.innerWidth || 0, docElem.clientWidth);
        units.height = Math.max(window.innerHeight || 0, docElem.clientHeight);

        units.vw = units.width / 100;
        units.vh = units.height / 100;

        evalId = [units.height, units.width, DPR].join("-");

        units.em = pf.getEmValue();
        units.rem = units.em;
    }

    function chooseLowRes(lowerValue, higherValue, dprValue, isCached) {
        var bonusFactor, tooMuch, bonus, meanDensity;

        //experimental
        if (cfg.algorithm === "saveData") {
            if (lowerValue > 2.7) {
                meanDensity = dprValue + 1;
            } else {
                tooMuch = higherValue - dprValue;
                bonusFactor = Math.pow(lowerValue - 0.6, 1.5);

                bonus = tooMuch * bonusFactor;

                if (isCached) {
                    bonus += 0.1 * bonusFactor;
                }

                meanDensity = lowerValue + bonus;
            }
        } else {
            meanDensity = (dprValue > 1) ?
                Math.sqrt(lowerValue * higherValue) :
                lowerValue;
        }

        return meanDensity > dprValue;
    }

    function applyBestCandidate(img) {
        var srcSetCandidates;
        var matchingSet = pf.getSet(img);
        var evaluated = false;
        if (matchingSet !== "pending") {
            evaluated = evalId;
            if (matchingSet) {
                srcSetCandidates = pf.setRes(matchingSet);
                pf.applySetCandidate(srcSetCandidates, img);
            }
        }
        img[pf.ns].evaled = evaluated;
    }

    function ascendingSort(a, b) {
        return a.res - b.res;
    }

    function setSrcToCur(img, src, set) {
        var candidate;
        if (!set && src) {
            set = img[pf.ns].sets;
            set = set && set[set.length - 1];
        }

        candidate = getCandidateForSrc(src, set);

        if (candidate) {
            src = pf.makeUrl(src);
            img[pf.ns].curSrc = src;
            img[pf.ns].curCan = candidate;

            if (!candidate.res) {
                setResolution(candidate, candidate.set.sizes);
            }
        }
        return candidate;
    }

    function getCandidateForSrc(src, set) {
        var i, candidate, candidates;
        if (src && set) {
            candidates = pf.parseSet(set);
            src = pf.makeUrl(src);
            for (i = 0; i < candidates.length; i++) {
                if (src === pf.makeUrl(candidates[i].url)) {
                    candidate = candidates[i];
                    break;
                }
            }
        }
        return candidate;
    }

    function getAllSourceElements(picture, candidates) {
        var i, len, source, srcset;

        // SPEC mismatch intended for size and perf:
        // actually only source elements preceding the img should be used
        // also note: don't use qsa here, because IE8 sometimes doesn't like source as the key part in a selector
        var sources = picture.getElementsByTagName("source");

        for (i = 0, len = sources.length; i < len; i++) {
            source = sources[i];
            source[pf.ns] = true;
            srcset = source.getAttribute("srcset");

            // if source does not have a srcset attribute, skip
            if (srcset) {
                candidates.push({
                    srcset: srcset,
                    media: source.getAttribute("media"),
                    type: source.getAttribute("type"),
                    sizes: source.getAttribute("sizes")
                });
            }
        }
    }

    /**
     * Srcset Parser
     * By Alex Bell |  MIT License
     *
     * @returns Array [{url: _, d: _, w: _, h:_, set:_(????)}, ...]
     *
     * Based super duper closely on the reference algorithm at:
     * https://html.spec.whatwg.org/multipage/embedded-content.html#parse-a-srcset-attribute
     */

    // 1. Let input be the value passed to this algorithm.
    // (TO-DO : Explain what "set" argument is here. Maybe choose a more
    // descriptive & more searchable name.  Since passing the "set" in really has
    // nothing to do with parsing proper, I would prefer this assignment eventually
    // go in an external fn.)
    function parseSrcset(input, set) {

        function collectCharacters(regEx) {
            var chars,
                match = regEx.exec(input.substring(pos));
            if (match) {
                chars = match[0];
                pos += chars.length;
                return chars;
            }
        }

        var inputLength = input.length,
            url,
            descriptors,
            currentDescriptor,
            state,
            c,

            // 2. Let position be a pointer into input, initially pointing at the start
            //    of the string.
            pos = 0,

            // 3. Let candidates be an initially empty source set.
            candidates = [];

        /**
         * Adds descriptor properties to a candidate, pushes to the candidates array
         * @return undefined
         */
        // (Declared outside of the while loop so that it's only created once.
        // (This fn is defined before it is used, in order to pass JSHINT.
        // Unfortunately this breaks the sequencing of the spec comments. :/ )
        function parseDescriptors() {

            // 9. Descriptor parser: Let error be no.
            var pError = false,

                // 10. Let width be absent.
                // 11. Let density be absent.
                // 12. Let future-compat-h be absent. (We're implementing it now as h)
                w, d, h, i,
                candidate = {},
                desc, lastChar, value, intVal, floatVal;

            // 13. For each descriptor in descriptors, run the appropriate set of steps
            // from the following list:
            for (i = 0; i < descriptors.length; i++) {
                desc = descriptors[i];

                lastChar = desc[desc.length - 1];
                value = desc.substring(0, desc.length - 1);
                intVal = parseInt(value, 10);
                floatVal = parseFloat(value);

                // If the descriptor consists of a valid non-negative integer followed by
                // a U+0077 LATIN SMALL LETTER W character
                if (regexNonNegativeInteger.test(value) && (lastChar === "w")) {

                    // If width and density are not both absent, then let error be yes.
                    if (w || d) {
                        pError = true;
                    }

                    // Apply the rules for parsing non-negative integers to the descriptor.
                    // If the result is zero, let error be yes.
                    // Otherwise, let width be the result.
                    if (intVal === 0) {
                        pError = true;
                    } else {
                        w = intVal;
                    }

                    // If the descriptor consists of a valid floating-point number followed by
                    // a U+0078 LATIN SMALL LETTER X character
                } else if (regexFloatingPoint.test(value) && (lastChar === "x")) {

                    // If width, density and future-compat-h are not all absent, then let error
                    // be yes.
                    if (w || d || h) {
                        pError = true;
                    }

                    // Apply the rules for parsing floating-point number values to the descriptor.
                    // If the result is less than zero, let error be yes. Otherwise, let density
                    // be the result.
                    if (floatVal < 0) {
                        pError = true;
                    } else {
                        d = floatVal;
                    }

                    // If the descriptor consists of a valid non-negative integer followed by
                    // a U+0068 LATIN SMALL LETTER H character
                } else if (regexNonNegativeInteger.test(value) && (lastChar === "h")) {

                    // If height and density are not both absent, then let error be yes.
                    if (h || d) {
                        pError = true;
                    }

                    // Apply the rules for parsing non-negative integers to the descriptor.
                    // If the result is zero, let error be yes. Otherwise, let future-compat-h
                    // be the result.
                    if (intVal === 0) {
                        pError = true;
                    } else {
                        h = intVal;
                    }

                    // Anything else, Let error be yes.
                } else {
                    pError = true;
                }
            } // (close step 13 for loop)

            // 15. If error is still no, then append a new image source to candidates whose
            // URL is url, associated with a width width if not absent and a pixel
            // density density if not absent. Otherwise, there is a parse error.
            if (!pError) {
                candidate.url = url;

                if (w) {
                    candidate.w = w;
                }
                if (d) {
                    candidate.d = d;
                }
                if (h) {
                    candidate.h = h;
                }
                if (!h && !d && !w) {
                    candidate.d = 1;
                }
                if (candidate.d === 1) {
                    set.has1x = true;
                }
                candidate.set = set;

                candidates.push(candidate);
            }
        } // (close parseDescriptors fn)

        /**
         * Tokenizes descriptor properties prior to parsing
         * Returns undefined.
         * (Again, this fn is defined before it is used, in order to pass JSHINT.
         * Unfortunately this breaks the logical sequencing of the spec comments. :/ )
         */
        function tokenize() {

            // 8.1. Descriptor tokeniser: Skip whitespace
            collectCharacters(regexLeadingSpaces);

            // 8.2. Let current descriptor be the empty string.
            currentDescriptor = "";

            // 8.3. Let state be in descriptor.
            state = "in descriptor";

            while (true) {

                // 8.4. Let c be the character at position.
                c = input.charAt(pos);

                //  Do the following depending on the value of state.
                //  For the purpose of this step, "EOF" is a special character representing
                //  that position is past the end of input.

                // In descriptor
                if (state === "in descriptor") {
                    // Do the following, depending on the value of c:

                    // Space character
                    // If current descriptor is not empty, append current descriptor to
                    // descriptors and let current descriptor be the empty string.
                    // Set state to after descriptor.
                    if (isSpace(c)) {
                        if (currentDescriptor) {
                            descriptors.push(currentDescriptor);
                            currentDescriptor = "";
                            state = "after descriptor";
                        }

                        // U+002C COMMA (,)
                        // Advance position to the next character in input. If current descriptor
                        // is not empty, append current descriptor to descriptors. Jump to the step
                        // labeled descriptor parser.
                    } else if (c === ",") {
                        pos += 1;
                        if (currentDescriptor) {
                            descriptors.push(currentDescriptor);
                        }
                        parseDescriptors();
                        return;

                        // U+0028 LEFT PARENTHESIS (()
                        // Append c to current descriptor. Set state to in parens.
                    } else if (c === "\u0028") {
                        currentDescriptor = currentDescriptor + c;
                        state = "in parens";

                        // EOF
                        // If current descriptor is not empty, append current descriptor to
                        // descriptors. Jump to the step labeled descriptor parser.
                    } else if (c === "") {
                        if (currentDescriptor) {
                            descriptors.push(currentDescriptor);
                        }
                        parseDescriptors();
                        return;

                        // Anything else
                        // Append c to current descriptor.
                    } else {
                        currentDescriptor = currentDescriptor + c;
                    }
                    // (end "in descriptor"

                    // In parens
                } else if (state === "in parens") {

                    // U+0029 RIGHT PARENTHESIS ())
                    // Append c to current descriptor. Set state to in descriptor.
                    if (c === ")") {
                        currentDescriptor = currentDescriptor + c;
                        state = "in descriptor";

                        // EOF
                        // Append current descriptor to descriptors. Jump to the step labeled
                        // descriptor parser.
                    } else if (c === "") {
                        descriptors.push(currentDescriptor);
                        parseDescriptors();
                        return;

                        // Anything else
                        // Append c to current descriptor.
                    } else {
                        currentDescriptor = currentDescriptor + c;
                    }

                    // After descriptor
                } else if (state === "after descriptor") {

                    // Do the following, depending on the value of c:
                    // Space character: Stay in this state.
                    if (isSpace(c)) {

                        // EOF: Jump to the step labeled descriptor parser.
                    } else if (c === "") {
                        parseDescriptors();
                        return;

                        // Anything else
                        // Set state to in descriptor. Set position to the previous character in input.
                    } else {
                        state = "in descriptor";
                        pos -= 1;

                    }
                }

                // Advance position to the next character in input.
                pos += 1;

                // Repeat this step.
            } // (close while true loop)
        }

        // 4. Splitting loop: Collect a sequence of characters that are space
        //    characters or U+002C COMMA characters. If any U+002C COMMA characters
        //    were collected, that is a parse error.
        while (true) {
            collectCharacters(regexLeadingCommasOrSpaces);

            // 5. If position is past the end of input, return candidates and abort these steps.
            if (pos >= inputLength) {
                return candidates; // (we're done, this is the sole return path)
            }

            // 6. Collect a sequence of characters that are not space characters,
            //    and let that be url.
            url = collectCharacters(regexLeadingNotSpaces);

            // 7. Let descriptors be a new empty list.
            descriptors = [];

            // 8. If url ends with a U+002C COMMA character (,), follow these substeps:
            //		(1). Remove all trailing U+002C COMMA characters from url. If this removed
            //         more than one character, that is a parse error.
            if (url.slice(-1) === ",") {
                url = url.replace(regexTrailingCommas, "");
                // (Jump ahead to step 9 to skip tokenization and just push the candidate).
                parseDescriptors();

                //	Otherwise, follow these substeps:
            } else {
                tokenize();
            } // (close else of step 8)

            // 16. Return to the step labeled splitting loop.
        } // (Close of big while loop.)
    }

    /*
     * Sizes Parser
     *
     * By Alex Bell |  MIT License
     *
     * Non-strict but accurate and lightweight JS Parser for the string value <img sizes="here">
     *
     * Reference algorithm at:
     * https://html.spec.whatwg.org/multipage/embedded-content.html#parse-a-sizes-attribute
     *
     * Most comments are copied in directly from the spec
     * (except for comments in parens).
     *
     * Grammar is:
     * <source-size-list> = <source-size># [ , <source-size-value> ]? | <source-size-value>
     * <source-size> = <media-condition> <source-size-value>
     * <source-size-value> = <length>
     * http://www.w3.org/html/wg/drafts/html/master/embedded-content.html#attr-img-sizes
     *
     * E.g. "(max-width: 30em) 100vw, (max-width: 50em) 70vw, 100vw"
     * or "(min-width: 30em), calc(30vw - 15px)" or just "30vw"
     *
     * Returns the first valid <css-length> with a media condition that evaluates to true,
     * or "100vw" if all valid media conditions evaluate to false.
     *
     */

    function parseSizes(strValue) {

        // (Percentage CSS lengths are not allowed in this case, to avoid confusion:
        // https://html.spec.whatwg.org/multipage/embedded-content.html#valid-source-size-list
        // CSS allows a single optional plus or minus sign:
        // http://www.w3.org/TR/CSS2/syndata.html#numbers
        // CSS is ASCII case-insensitive:
        // http://www.w3.org/TR/CSS2/syndata.html#characters )
        // Spec allows exponential notation for <number> type:
        // http://dev.w3.org/csswg/css-values/#numbers
        var regexCssLengthWithUnits = /^(?:[+-]?[0-9]+|[0-9]*\.[0-9]+)(?:[eE][+-]?[0-9]+)?(?:ch|cm|em|ex|in|mm|pc|pt|px|rem|vh|vmin|vmax|vw)$/i;

        // (This is a quick and lenient test. Because of optional unlimited-depth internal
        // grouping parens and strict spacing rules, this could get very complicated.)
        var regexCssCalc = /^calc\((?:[0-9a-z \.\+\-\*\/\(\)]+)\)$/i;

        var i;
        var unparsedSizesList;
        var unparsedSizesListLength;
        var unparsedSize;
        var lastComponentValue;
        var size;

        // UTILITY FUNCTIONS

        //  (Toy CSS parser. The goals here are:
        //  1) expansive test coverage without the weight of a full CSS parser.
        //  2) Avoiding regex wherever convenient.
        //  Quick tests: http://jsfiddle.net/gtntL4gr/3/
        //  Returns an array of arrays.)
        function parseComponentValues(str) {
            var chrctr;
            var component = "";
            var componentArray = [];
            var listArray = [];
            var parenDepth = 0;
            var pos = 0;
            var inComment = false;

            function pushComponent() {
                if (component) {
                    componentArray.push(component);
                    component = "";
                }
            }

            function pushComponentArray() {
                if (componentArray[0]) {
                    listArray.push(componentArray);
                    componentArray = [];
                }
            }

            // (Loop forwards from the beginning of the string.)
            while (true) {
                chrctr = str.charAt(pos);

                if (chrctr === "") { // ( End of string reached.)
                    pushComponent();
                    pushComponentArray();
                    return listArray;
                } else if (inComment) {
                    if ((chrctr === "*") && (str[pos + 1] === "/")) { // (At end of a comment.)
                        inComment = false;
                        pos += 2;
                        pushComponent();
                        continue;
                    } else {
                        pos += 1; // (Skip all characters inside comments.)
                        continue;
                    }
                } else if (isSpace(chrctr)) {
                    // (If previous character in loop was also a space, or if
                    // at the beginning of the string, do not add space char to
                    // component.)
                    if ((str.charAt(pos - 1) && isSpace(str.charAt(pos - 1)) ) || !component) {
                        pos += 1;
                        continue;
                    } else if (parenDepth === 0) {
                        pushComponent();
                        pos += 1;
                        continue;
                    } else {
                        // (Replace any space character with a plain space for legibility.)
                        chrctr = " ";
                    }
                } else if (chrctr === "(") {
                    parenDepth += 1;
                } else if (chrctr === ")") {
                    parenDepth -= 1;
                } else if (chrctr === ",") {
                    pushComponent();
                    pushComponentArray();
                    pos += 1;
                    continue;
                } else if ((chrctr === "/") && (str.charAt(pos + 1) === "*")) {
                    inComment = true;
                    pos += 2;
                    continue;
                }

                component = component + chrctr;
                pos += 1;
            }
        }

        function isValidNonNegativeSourceSizeValue(s) {
            if (regexCssLengthWithUnits.test(s) && (parseFloat(s) >= 0)) {
                return true;
            }
            if (regexCssCalc.test(s)) {
                return true;
            }
            // ( http://www.w3.org/TR/CSS2/syndata.html#numbers says:
            // "-0 is equivalent to 0 and is not a negative number." which means that
            // unitless zero and unitless negative zero must be accepted as special cases.)
            if ((s === "0") || (s === "-0") || (s === "+0")) {
                return true;
            }
            return false;
        }

        // When asked to parse a sizes attribute from an element, parse a
        // comma-separated list of component values from the value of the element's
        // sizes attribute (or the empty string, if the attribute is absent), and let
        // unparsed sizes list be the result.
        // http://dev.w3.org/csswg/css-syntax/#parse-comma-separated-list-of-component-values

        unparsedSizesList = parseComponentValues(strValue);
        unparsedSizesListLength = unparsedSizesList.length;

        // For each unparsed size in unparsed sizes list:
        for (i = 0; i < unparsedSizesListLength; i++) {
            unparsedSize = unparsedSizesList[i];

            // 1. Remove all consecutive <whitespace-token>s from the end of unparsed size.
            // ( parseComponentValues() already omits spaces outside of parens. )

            // If unparsed size is now empty, that is a parse error; continue to the next
            // iteration of this algorithm.
            // ( parseComponentValues() won't push an empty array. )

            // 2. If the last component value in unparsed size is a valid non-negative
            // <source-size-value>, let size be its value and remove the component value
            // from unparsed size. Any CSS function other than the calc() function is
            // invalid. Otherwise, there is a parse error; continue to the next iteration
            // of this algorithm.
            // http://dev.w3.org/csswg/css-syntax/#parse-component-value
            lastComponentValue = unparsedSize[unparsedSize.length - 1];

            if (isValidNonNegativeSourceSizeValue(lastComponentValue)) {
                size = lastComponentValue;
                unparsedSize.pop();
            } else {
                continue;
            }

            // 3. Remove all consecutive <whitespace-token>s from the end of unparsed
            // size. If unparsed size is now empty, return size and exit this algorithm.
            // If this was not the last item in unparsed sizes list, that is a parse error.
            if (unparsedSize.length === 0) {
                return size;
            }

            // 4. Parse the remaining component values in unparsed size as a
            // <media-condition>. If it does not parse correctly, or it does parse
            // correctly but the <media-condition> evaluates to false, continue to the
            // next iteration of this algorithm.
            // (Parsing all possible compound media conditions in JS is heavy, complicated,
            // and the payoff is unclear. Is there ever an situation where the
            // media condition parses incorrectly but still somehow evaluates to true?
            // Can we just rely on the browser/polyfill to do it?)
            unparsedSize = unparsedSize.join(" ");
            if (!(pf.matchesMedia(unparsedSize) )) {
                continue;
            }

            // 5. Return size and exit this algorithm.
            return size;
        }

        // If the above algorithm exhausts unparsed sizes list without returning a
        // size value, return 100vw.
        return "100vw";
    }

    // namespace
    pf.ns = ("pf" + new Date().getTime()).substr(0, 9);

    // srcset support test
    pf.supSrcset = "srcset" in image;
    pf.supSizes = "sizes" in image;
    pf.supPicture = !!window.HTMLPictureElement;

    // UC browser does claim to support srcset and picture, but not sizes,
    // this extended test reveals the browser does support nothing
    if (pf.supSrcset && pf.supPicture && !pf.supSizes) {
        (function (image2) {
            image.srcset = "data:,a";
            image2.src = "data:,a";
            pf.supSrcset = image.complete === image2.complete;
            pf.supPicture = pf.supSrcset && pf.supPicture;
        })(document.createElement("img"));
    }

    // Safari9 has basic support for sizes, but does't expose the `sizes` idl attribute
    if (pf.supSrcset && !pf.supSizes) {

        (function () {
            var width2 = "data:image/gif;base64,R0lGODlhAgABAPAAAP///wAAACH5BAAAAAAALAAAAAACAAEAAAICBAoAOw==";
            var width1 = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==";
            var img = document.createElement("img");
            var test = function () {
                var width = img.width;

                if (width === 2) {
                    pf.supSizes = true;
                }

                alwaysCheckWDescriptor = pf.supSrcset && !pf.supSizes;

                isSupportTestReady = true;
                // force async
                setTimeout(picturefill);
            };

            img.onload = test;
            img.onerror = test;
            img.setAttribute("sizes", "9px");

            img.srcset = width1 + " 1w," + width2 + " 9w";
            img.src = width1;
        })();

    } else {
        isSupportTestReady = true;
    }

    // using pf.qsa instead of dom traversing does scale much better,
    // especially on sites mixing responsive and non-responsive images
    pf.selShort = "picture>img,img[srcset]";
    pf.sel = pf.selShort;
    pf.cfg = cfg;

    /**
     * Shortcut property for `devicePixelRatio` ( for easy overriding in tests )
     */
    pf.DPR = (DPR || 1 );
    pf.u = units;

    // container of supported mime types that one might need to qualify before using
    pf.types = types;

    pf.setSize = noop;

    /**
     * Gets a string and returns the absolute URL
     * @param src
     * @returns {String} absolute URL
     */

    pf.makeUrl = memoize(function (src) {
        anchor.href = src;
        return anchor.href;
    });

    /**
     * Gets a DOM element or document and a selctor and returns the found matches
     * Can be extended with jQuery/Sizzle for IE7 support
     * @param context
     * @param sel
     * @returns {NodeList|Array}
     */
    pf.qsa = function (context, sel) {
        return ( "querySelector" in context ) ? context.querySelectorAll(sel) : [];
    };

    /**
     * Shortcut method for matchMedia ( for easy overriding in tests )
     * wether native or pf.mMQ is used will be decided lazy on first call
     * @returns {boolean}
     */
    pf.matchesMedia = function () {
        if (window.matchMedia && (matchMedia("(min-width: 0.1em)") || {}).matches) {
            pf.matchesMedia = function (media) {
                return !media || ( matchMedia(media).matches );
            };
        } else {
            pf.matchesMedia = pf.mMQ;
        }

        return pf.matchesMedia.apply(this, arguments);
    };

    /**
     * A simplified matchMedia implementation for IE8 and IE9
     * handles only min-width/max-width with px or em values
     * @param media
     * @returns {boolean}
     */
    pf.mMQ = function (media) {
        return media ? evalCSS(media) : true;
    };

    /**
     * Returns the calculated length in css pixel from the given sourceSizeValue
     * http://dev.w3.org/csswg/css-values-3/#length-value
     * intended Spec mismatches:
     * * Does not check for invalid use of CSS functions
     * * Does handle a computed length of 0 the same as a negative and therefore invalid value
     * @param sourceSizeValue
     * @returns {Number}
     */
    pf.calcLength = function (sourceSizeValue) {

        var value = evalCSS(sourceSizeValue, true) || false;
        if (value < 0) {
            value = false;
        }

        return value;
    };

    /**
     * Takes a type string and checks if its supported
     */

    pf.supportsType = function (type) {
        return ( type ) ? types[type] : true;
    };

    /**
     * Parses a sourceSize into mediaCondition (media) and sourceSizeValue (length)
     * @param sourceSizeStr
     * @returns {*}
     */
    pf.parseSize = memoize(function (sourceSizeStr) {
        var match = ( sourceSizeStr || "" ).match(regSize);
        return {
            media: match && match[1],
            length: match && match[2]
        };
    });

    pf.parseSet = function (set) {
        if (!set.cands) {
            set.cands = parseSrcset(set.srcset, set);
        }
        return set.cands;
    };

    /**
     * returns 1em in css px for html/body default size
     * function taken from respondjs
     * @returns {*|number}
     */
    pf.getEmValue = function () {
        var body;
        if (!eminpx && (body = document.body)) {
            var div = document.createElement("div"),
                originalHTMLCSS = docElem.style.cssText,
                originalBodyCSS = body.style.cssText;

            div.style.cssText = baseStyle;

            // 1em in a media query is the value of the default font size of the browser
            // reset docElem and body to ensure the correct value is returned
            docElem.style.cssText = fsCss;
            body.style.cssText = fsCss;

            body.appendChild(div);
            eminpx = div.offsetWidth;
            body.removeChild(div);

            //also update eminpx before returning
            eminpx = parseFloat(eminpx, 10);

            // restore the original values
            docElem.style.cssText = originalHTMLCSS;
            body.style.cssText = originalBodyCSS;

        }
        return eminpx || 16;
    };

    /**
     * Takes a string of sizes and returns the width in pixels as a number
     */
    pf.calcListLength = function (sourceSizeListStr) {
        // Split up source size list, ie ( max-width: 30em ) 100%, ( max-width: 50em ) 50%, 33%
        //
        //                           or (min-width:30em) calc(30% - 15px)
        if (!(sourceSizeListStr in sizeLengthCache) || cfg.uT) {
            var winningLength = pf.calcLength(parseSizes(sourceSizeListStr));

            sizeLengthCache[sourceSizeListStr] = !winningLength ? units.width : winningLength;
        }

        return sizeLengthCache[sourceSizeListStr];
    };

    /**
     * Takes a candidate object with a srcset property in the form of url/
     * ex. "images/pic-medium.png 1x, images/pic-medium-2x.png 2x" or
     *     "images/pic-medium.png 400w, images/pic-medium-2x.png 800w" or
     *     "images/pic-small.png"
     * Get an array of image candidates in the form of
     *      {url: "/foo/bar.png", resolution: 1}
     * where resolution is http://dev.w3.org/csswg/css-values-3/#resolution-value
     * If sizes is specified, res is calculated
     */
    pf.setRes = function (set) {
        var candidates;
        if (set) {

            candidates = pf.parseSet(set);

            for (var i = 0, len = candidates.length; i < len; i++) {
                setResolution(candidates[i], set.sizes);
            }
        }
        return candidates;
    };

    pf.setRes.res = setResolution;

    pf.applySetCandidate = function (candidates, img) {
        if (!candidates.length) {
            return;
        }
        var candidate,
            i,
            j,
            length,
            bestCandidate,
            curSrc,
            curCan,
            candidateSrc,
            abortCurSrc;

        var imageData = img[pf.ns];
        var dpr = pf.DPR;

        curSrc = imageData.curSrc || img[curSrcProp];

        curCan = imageData.curCan || setSrcToCur(img, curSrc, candidates[0].set);

        // if we have a current source, we might either become lazy or give this source some advantage
        if (curCan && curCan.set === candidates[0].set) {

            // if browser can abort image request and the image has a higher pixel density than needed
            // and this image isn't downloaded yet, we skip next part and try to save bandwidth
            abortCurSrc = (supportAbort && !img.complete && curCan.res - 0.1 > dpr);

            if (!abortCurSrc) {
                curCan.cached = true;

                // if current candidate is "best", "better" or "okay",
                // set it to bestCandidate
                if (curCan.res >= dpr) {
                    bestCandidate = curCan;
                }
            }
        }

        if (!bestCandidate) {

            candidates.sort(ascendingSort);

            length = candidates.length;
            bestCandidate = candidates[length - 1];

            for (i = 0; i < length; i++) {
                candidate = candidates[i];
                if (candidate.res >= dpr) {
                    j = i - 1;

                    // we have found the perfect candidate,
                    // but let's improve this a little bit with some assumptions ;-)
                    if (candidates[j] &&
                        (abortCurSrc || curSrc !== pf.makeUrl(candidate.url)) &&
                        chooseLowRes(candidates[j].res, candidate.res, dpr, candidates[j].cached)) {

                        bestCandidate = candidates[j];

                    } else {
                        bestCandidate = candidate;
                    }
                    break;
                }
            }
        }

        if (bestCandidate) {

            candidateSrc = pf.makeUrl(bestCandidate.url);

            imageData.curSrc = candidateSrc;
            imageData.curCan = bestCandidate;

            if (candidateSrc !== curSrc) {
                pf.setSrc(img, bestCandidate);
            }
            pf.setSize(img);
        }
    };

    pf.setSrc = function (img, bestCandidate) {
        var origWidth;
        img.src = bestCandidate.url;

        // although this is a specific Safari issue, we don't want to take too much different code paths
        if (bestCandidate.set.type === "image/svg+xml") {
            origWidth = img.style.width;
            img.style.width = (img.offsetWidth + 1) + "px";

            // next line only should trigger a repaint
            // if... is only done to trick dead code removal
            if (img.offsetWidth + 1) {
                img.style.width = origWidth;
            }
        }
    };

    pf.getSet = function (img) {
        var i, set, supportsType;
        var match = false;
        var sets = img [pf.ns].sets;

        for (i = 0; i < sets.length && !match; i++) {
            set = sets[i];

            if (!set.srcset || !pf.matchesMedia(set.media) || !(supportsType = pf.supportsType(set.type))) {
                continue;
            }

            if (supportsType === "pending") {
                set = supportsType;
            }

            match = set;
            break;
        }

        return match;
    };

    pf.parseSets = function (element, parent, options) {
        var srcsetAttribute, imageSet, isWDescripor, srcsetParsed;

        var hasPicture = parent && parent.nodeName.toUpperCase() === "PICTURE";
        var imageData = element[pf.ns];

        if (imageData.src === undefined || options.src) {
            imageData.src = getImgAttr.call(element, "src");
            if (imageData.src) {
                setImgAttr.call(element, srcAttr, imageData.src);
            } else {
                removeImgAttr.call(element, srcAttr);
            }
        }

        if (imageData.srcset === undefined || options.srcset || !pf.supSrcset || element.srcset) {
            srcsetAttribute = getImgAttr.call(element, "srcset");
            imageData.srcset = srcsetAttribute;
            srcsetParsed = true;
        }

        imageData.sets = [];

        if (hasPicture) {
            imageData.pic = true;
            getAllSourceElements(parent, imageData.sets);
        }

        if (imageData.srcset) {
            imageSet = {
                srcset: imageData.srcset,
                sizes: getImgAttr.call(element, "sizes")
            };

            imageData.sets.push(imageSet);

            isWDescripor = (alwaysCheckWDescriptor || imageData.src) && regWDesc.test(imageData.srcset || "");

            // add normal src as candidate, if source has no w descriptor
            if (!isWDescripor && imageData.src && !getCandidateForSrc(imageData.src, imageSet) && !imageSet.has1x) {
                imageSet.srcset += ", " + imageData.src;
                imageSet.cands.push({
                    url: imageData.src,
                    d: 1,
                    set: imageSet
                });
            }

        } else if (imageData.src) {
            imageData.sets.push({
                srcset: imageData.src,
                sizes: null
            });
        }

        imageData.curCan = null;
        imageData.curSrc = undefined;

        // if img has picture or the srcset was removed or has a srcset and does not support srcset at all
        // or has a w descriptor (and does not support sizes) set support to false to evaluate
        imageData.supported = !( hasPicture || ( imageSet && !pf.supSrcset ) || (isWDescripor && !pf.supSizes) );

        if (srcsetParsed && pf.supSrcset && !imageData.supported) {
            if (srcsetAttribute) {
                setImgAttr.call(element, srcsetAttr, srcsetAttribute);
                element.srcset = "";
            } else {
                removeImgAttr.call(element, srcsetAttr);
            }
        }

        if (imageData.supported && !imageData.srcset && ((!imageData.src && element.src) || element.src !== pf.makeUrl(imageData.src))) {
            if (imageData.src === null) {
                element.removeAttribute("src");
            } else {
                element.src = imageData.src;
            }
        }

        imageData.parsed = true;
    };

    pf.fillImg = function (element, options) {
        var imageData;
        var extreme = options.reselect || options.reevaluate;

        // expando for caching data on the img
        if (!element[pf.ns]) {
            element[pf.ns] = {};
        }

        imageData = element[pf.ns];

        // if the element has already been evaluated, skip it
        // unless `options.reevaluate` is set to true ( this, for example,
        // is set to true when running `picturefill` on `resize` ).
        if (!extreme && imageData.evaled === evalId) {
            return;
        }

        if (!imageData.parsed || options.reevaluate) {
            pf.parseSets(element, element.parentNode, options);
        }

        if (!imageData.supported) {
            applyBestCandidate(element);
        } else {
            imageData.evaled = evalId;
        }
    };

    pf.setupRun = function () {
        if (!alreadyRun || isVwDirty || (DPR !== window.devicePixelRatio)) {
            updateMetrics();
        }
    };

    // If picture is supported, well, that's awesome.
    if (pf.supPicture) {
        picturefill = noop;
        pf.fillImg = noop;
    } else {

        // Set up picture polyfill by polling the document
        (function () {
            var isDomReady;
            var regReady = window.attachEvent ? /d$|^c/ : /d$|^c|^i/;

            var run = function () {
                var readyState = document.readyState || "";

                timerId = setTimeout(run, readyState === "loading" ? 200 : 999);
                if (document.body) {
                    pf.fillImgs();
                    isDomReady = isDomReady || regReady.test(readyState);
                    if (isDomReady) {
                        clearTimeout(timerId);
                    }

                }
            };

            var timerId = setTimeout(run, document.body ? 9 : 99);

            // Also attach picturefill on resize and readystatechange
            // http://modernjavascript.blogspot.com/2013/08/building-better-debounce.html
            var debounce = function (func, wait) {
                var timeout, timestamp;
                var later = function () {
                    var last = (new Date()) - timestamp;

                    if (last < wait) {
                        timeout = setTimeout(later, wait - last);
                    } else {
                        timeout = null;
                        func();
                    }
                };

                return function () {
                    timestamp = new Date();

                    if (!timeout) {
                        timeout = setTimeout(later, wait);
                    }
                };
            };
            var lastClientWidth = docElem.clientHeight;
            var onResize = function () {
                isVwDirty = Math.max(window.innerWidth || 0, docElem.clientWidth) !== units.width || docElem.clientHeight !== lastClientWidth;
                lastClientWidth = docElem.clientHeight;
                if (isVwDirty) {
                    pf.fillImgs();
                }
            };

            on(window, "resize", debounce(onResize, 99));
            on(document, "readystatechange", run);
        })();
    }

    pf.picturefill = picturefill;
    //use this internally for easy monkey patching/performance testing
    pf.fillImgs = picturefill;
    pf.teardownRun = noop;

    /* expose methods for testing */
    picturefill._ = pf;

    window.picturefillCFG = {
        pf: pf,
        push: function (args) {
            var name = args.shift();
            if (typeof pf[name] === "function") {
                pf[name].apply(pf, args);
            } else {
                cfg[name] = args[0];
                if (alreadyRun) {
                    pf.fillImgs({reselect: true});
                }
            }
        }
    };

    while (setOptions && setOptions.length) {
        window.picturefillCFG.push(setOptions.shift());
    }

    /* expose picturefill */
    window.picturefill = picturefill;

    /* expose picturefill */
    if (typeof module === "object" && typeof module.exports === "object") {
        // CommonJS, just export
        module.exports = picturefill;
    } else if (typeof define === "function" && define.amd) {
        // AMD support
        define("picturefill", function () {
            return picturefill;
        });
    }

    // IE8 evals this sync, so it must be the last thing we do
    if (!pf.supPicture) {
        types["image/webp"] = detectTypeSupport("image/webp", "data:image/webp;base64,UklGRkoAAABXRUJQVlA4WAoAAAAQAAAAAAAAAAAAQUxQSAwAAAABBxAR/Q9ERP8DAABWUDggGAAAADABAJ0BKgEAAQADADQlpAADcAD++/1QAA==");
    }

})(window, document);

/*! jQuery v2.2.0 | (c) jQuery Foundation | jquery.org/license */
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/*
 * Foundation Responsive Library
 * http://foundation.zurb.com
 * Copyright 2014, ZURB
 * Free to use under the MIT license.
 * http://www.opensource.org/licenses/mit-license.php
*/

(function ($, window, document, undefined) {
  'use strict';

  var header_helpers = function (class_array) {
    var i = class_array.length;
    var head = $('head');

    while (i--) {
      if (head.has('.' + class_array[i]).length === 0) {
        head.append('<meta class="' + class_array[i] + '" />');
      }
    }
  };

  header_helpers([
    'foundation-mq-small',
    'foundation-mq-small-only',
    'foundation-mq-medium',
    'foundation-mq-medium-only',
    'foundation-mq-large',
    'foundation-mq-large-only',
    'foundation-mq-xlarge',
    'foundation-mq-xlarge-only',
    'foundation-mq-xxlarge',
    'foundation-data-attribute-namespace']);

  // Enable FastClick if present

  $(function () {
    if (typeof FastClick !== 'undefined') {
      // Don't attach to body if undefined
      if (typeof document.body !== 'undefined') {
        FastClick.attach(document.body);
      }
    }
  });

  // private Fast Selector wrapper,
  // returns jQuery object. Only use where
  // getElementById is not available.
  var S = function (selector, context) {
    if (typeof selector === 'string') {
      if (context) {
        var cont;
        if (context.jquery) {
          cont = context[0];
          if (!cont) {
            return context;
          }
        } else {
          cont = context;
        }
        return $(cont.querySelectorAll(selector));
      }

      return $(document.querySelectorAll(selector));
    }

    return $(selector, context);
  };

  // Namespace functions.

  var attr_name = function (init) {
    var arr = [];
    if (!init) {
      arr.push('data');
    }
    if (this.namespace.length > 0) {
      arr.push(this.namespace);
    }
    arr.push(this.name);

    return arr.join('-');
  };

  var add_namespace = function (str) {
    var parts = str.split('-'),
        i = parts.length,
        arr = [];

    while (i--) {
      if (i !== 0) {
        arr.push(parts[i]);
      } else {
        if (this.namespace.length > 0) {
          arr.push(this.namespace, parts[i]);
        } else {
          arr.push(parts[i]);
        }
      }
    }

    return arr.reverse().join('-');
  };

  // Event binding and data-options updating.

  var bindings = function (method, options) {
    var self = this,
        bind = function(){
          var $this = S(this),
              should_bind_events = !$this.data(self.attr_name(true) + '-init');
          $this.data(self.attr_name(true) + '-init', $.extend({}, self.settings, (options || method), self.data_options($this)));

          if (should_bind_events) {
            self.events(this);
          }
        };

    if (S(this.scope).is('[' + this.attr_name() +']')) {
      bind.call(this.scope);
    } else {
      S('[' + this.attr_name() +']', this.scope).each(bind);
    }
    // # Patch to fix #5043 to move this *after* the if/else clause in order for Backbone and similar frameworks to have improved control over event binding and data-options updating.
    if (typeof method === 'string') {
      return this[method].call(this, options);
    }

  };

  var single_image_loaded = function (image, callback) {
    function loaded () {
      callback(image[0]);
    }

    function bindLoad () {
      this.one('load', loaded);

      if (/MSIE (\d+\.\d+);/.test(navigator.userAgent)) {
        var src = this.attr( 'src' ),
            param = src.match( /\?/ ) ? '&' : '?';

        param += 'random=' + (new Date()).getTime();
        this.attr('src', src + param);
      }
    }

    if (!image.attr('src')) {
      loaded();
      return;
    }

    if (image[0].complete || image[0].readyState === 4) {
      loaded();
    } else {
      bindLoad.call(image);
    }
  };

  /*
    https://github.com/paulirish/matchMedia.js
  */

  window.matchMedia = window.matchMedia || (function ( doc ) {

    'use strict';

    var bool,
        docElem = doc.documentElement,
        refNode = docElem.firstElementChild || docElem.firstChild,
        // fakeBody required for <FF4 when executed in <head>
        fakeBody = doc.createElement( 'body' ),
        div = doc.createElement( 'div' );

    div.id = 'mq-test-1';
    div.style.cssText = 'position:absolute;top:-100em';
    fakeBody.style.background = 'none';
    fakeBody.appendChild(div);

    return function (q) {

      div.innerHTML = '&shy;<style media="' + q + '"> #mq-test-1 { width: 42px; }</style>';

      docElem.insertBefore( fakeBody, refNode );
      bool = div.offsetWidth === 42;
      docElem.removeChild( fakeBody );

      return {
        matches : bool,
        media : q
      };

    };

  }( document ));

  /*
   * jquery.requestAnimationFrame
   * https://github.com/gnarf37/jquery-requestAnimationFrame
   * Requires jQuery 1.8+
   *
   * Copyright (c) 2012 Corey Frang
   * Licensed under the MIT license.
   */

  (function(jQuery) {


  // requestAnimationFrame polyfill adapted from Erik Möller
  // fixes from Paul Irish and Tino Zijdel
  // http://paulirish.com/2011/requestanimationframe-for-smart-animating/
  // http://my.opera.com/emoller/blog/2011/12/20/requestanimationframe-for-smart-er-animating

  var animating,
      lastTime = 0,
      vendors = ['webkit', 'moz'],
      requestAnimationFrame = window.requestAnimationFrame,
      cancelAnimationFrame = window.cancelAnimationFrame,
      jqueryFxAvailable = 'undefined' !== typeof jQuery.fx;

  for (; lastTime < vendors.length && !requestAnimationFrame; lastTime++) {
    requestAnimationFrame = window[ vendors[lastTime] + 'RequestAnimationFrame' ];
    cancelAnimationFrame = cancelAnimationFrame ||
      window[ vendors[lastTime] + 'CancelAnimationFrame' ] ||
      window[ vendors[lastTime] + 'CancelRequestAnimationFrame' ];
  }

  function raf() {
    if (animating) {
      requestAnimationFrame(raf);

      if (jqueryFxAvailable) {
        jQuery.fx.tick();
      }
    }
  }

  if (requestAnimationFrame) {
    // use rAF
    window.requestAnimationFrame = requestAnimationFrame;
    window.cancelAnimationFrame = cancelAnimationFrame;

    if (jqueryFxAvailable) {
      jQuery.fx.timer = function (timer) {
        if (timer() && jQuery.timers.push(timer) && !animating) {
          animating = true;
          raf();
        }
      };

      jQuery.fx.stop = function () {
        animating = false;
      };
    }
  } else {
    // polyfill
    window.requestAnimationFrame = function (callback) {
      var currTime = new Date().getTime(),
        timeToCall = Math.max(0, 16 - (currTime - lastTime)),
        id = window.setTimeout(function () {
          callback(currTime + timeToCall);
        }, timeToCall);
      lastTime = currTime + timeToCall;
      return id;
    };

    window.cancelAnimationFrame = function (id) {
      clearTimeout(id);
    };

  }

  }( $ ));

  function removeQuotes (string) {
    if (typeof string === 'string' || string instanceof String) {
      string = string.replace(/^['\\/"]+|(;\s?})+|['\\/"]+$/g, '');
    }

    return string;
  }

  window.Foundation = {
    name : 'Foundation',

    version : '5.5.1',

    media_queries : {
      'small'       : S('.foundation-mq-small').css('font-family').replace(/^[\/\\'"]+|(;\s?})+|[\/\\'"]+$/g, ''),
      'small-only'  : S('.foundation-mq-small-only').css('font-family').replace(/^[\/\\'"]+|(;\s?})+|[\/\\'"]+$/g, ''),
      'medium'      : S('.foundation-mq-medium').css('font-family').replace(/^[\/\\'"]+|(;\s?})+|[\/\\'"]+$/g, ''),
      'medium-only' : S('.foundation-mq-medium-only').css('font-family').replace(/^[\/\\'"]+|(;\s?})+|[\/\\'"]+$/g, ''),
      'large'       : S('.foundation-mq-large').css('font-family').replace(/^[\/\\'"]+|(;\s?})+|[\/\\'"]+$/g, ''),
      'large-only'  : S('.foundation-mq-large-only').css('font-family').replace(/^[\/\\'"]+|(;\s?})+|[\/\\'"]+$/g, ''),
      'xlarge'      : S('.foundation-mq-xlarge').css('font-family').replace(/^[\/\\'"]+|(;\s?})+|[\/\\'"]+$/g, ''),
      'xlarge-only' : S('.foundation-mq-xlarge-only').css('font-family').replace(/^[\/\\'"]+|(;\s?})+|[\/\\'"]+$/g, ''),
      'xxlarge'     : S('.foundation-mq-xxlarge').css('font-family').replace(/^[\/\\'"]+|(;\s?})+|[\/\\'"]+$/g, '')
    },

    stylesheet : $('<style></style>').appendTo('head')[0].sheet,

    global : {
      namespace : undefined
    },

    init : function (scope, libraries, method, options, response) {
      var args = [scope, method, options, response],
          responses = [];

      // check RTL
      this.rtl = /rtl/i.test(S('html').attr('dir'));

      // set foundation global scope
      this.scope = scope || this.scope;

      this.set_namespace();

      if (libraries && typeof libraries === 'string' && !/reflow/i.test(libraries)) {
        if (this.libs.hasOwnProperty(libraries)) {
          responses.push(this.init_lib(libraries, args));
        }
      } else {
        for (var lib in this.libs) {
          responses.push(this.init_lib(lib, libraries));
        }
      }

      S(window).load(function () {
        S(window)
          .trigger('resize.fndtn.clearing')
          .trigger('resize.fndtn.dropdown')
          .trigger('resize.fndtn.equalizer')
          .trigger('resize.fndtn.interchange')
          .trigger('resize.fndtn.joyride')
          .trigger('resize.fndtn.magellan')
          .trigger('resize.fndtn.topbar')
          .trigger('resize.fndtn.slider');
      });

      return scope;
    },

    init_lib : function (lib, args) {
      if (this.libs.hasOwnProperty(lib)) {
        this.patch(this.libs[lib]);

        if (args && args.hasOwnProperty(lib)) {
            if (typeof this.libs[lib].settings !== 'undefined') {
              $.extend(true, this.libs[lib].settings, args[lib]);
            } else if (typeof this.libs[lib].defaults !== 'undefined') {
              $.extend(true, this.libs[lib].defaults, args[lib]);
            }
          return this.libs[lib].init.apply(this.libs[lib], [this.scope, args[lib]]);
        }

        args = args instanceof Array ? args : new Array(args);
        return this.libs[lib].init.apply(this.libs[lib], args);
      }

      return function () {};
    },

    patch : function (lib) {
      lib.scope = this.scope;
      lib.namespace = this.global.namespace;
      lib.rtl = this.rtl;
      lib['data_options'] = this.utils.data_options;
      lib['attr_name'] = attr_name;
      lib['add_namespace'] = add_namespace;
      lib['bindings'] = bindings;
      lib['S'] = this.utils.S;
    },

    inherit : function (scope, methods) {
      var methods_arr = methods.split(' '),
          i = methods_arr.length;

      while (i--) {
        if (this.utils.hasOwnProperty(methods_arr[i])) {
          scope[methods_arr[i]] = this.utils[methods_arr[i]];
        }
      }
    },

    set_namespace : function () {

      // Description:
      //    Don't bother reading the namespace out of the meta tag
      //    if the namespace has been set globally in javascript
      //
      // Example:
      //    Foundation.global.namespace = 'my-namespace';
      // or make it an empty string:
      //    Foundation.global.namespace = '';
      //
      //

      // If the namespace has not been set (is undefined), try to read it out of the meta element.
      // Otherwise use the globally defined namespace, even if it's empty ('')
      var namespace = ( this.global.namespace === undefined ) ? $('.foundation-data-attribute-namespace').css('font-family') : this.global.namespace;

      // Finally, if the namsepace is either undefined or false, set it to an empty string.
      // Otherwise use the namespace value.
      this.global.namespace = ( namespace === undefined || /false/i.test(namespace) ) ? '' : namespace;
    },

    libs : {},

    // methods that can be inherited in libraries
    utils : {

      // Description:
      //    Fast Selector wrapper returns jQuery object. Only use where getElementById
      //    is not available.
      //
      // Arguments:
      //    Selector (String): CSS selector describing the element(s) to be
      //    returned as a jQuery object.
      //
      //    Scope (String): CSS selector describing the area to be searched. Default
      //    is document.
      //
      // Returns:
      //    Element (jQuery Object): jQuery object containing elements matching the
      //    selector within the scope.
      S : S,

      // Description:
      //    Executes a function a max of once every n milliseconds
      //
      // Arguments:
      //    Func (Function): Function to be throttled.
      //
      //    Delay (Integer): Function execution threshold in milliseconds.
      //
      // Returns:
      //    Lazy_function (Function): Function with throttling applied.
      throttle : function (func, delay) {
        var timer = null;

        return function () {
          var context = this, args = arguments;

          if (timer == null) {
            timer = setTimeout(function () {
              func.apply(context, args);
              timer = null;
            }, delay);
          }
        };
      },

      // Description:
      //    Executes a function when it stops being invoked for n seconds
      //    Modified version of _.debounce() http://underscorejs.org
      //
      // Arguments:
      //    Func (Function): Function to be debounced.
      //
      //    Delay (Integer): Function execution threshold in milliseconds.
      //
      //    Immediate (Bool): Whether the function should be called at the beginning
      //    of the delay instead of the end. Default is false.
      //
      // Returns:
      //    Lazy_function (Function): Function with debouncing applied.
      debounce : function (func, delay, immediate) {
        var timeout, result;
        return function () {
          var context = this, args = arguments;
          var later = function () {
            timeout = null;
            if (!immediate) {
              result = func.apply(context, args);
            }
          };
          var callNow = immediate && !timeout;
          clearTimeout(timeout);
          timeout = setTimeout(later, delay);
          if (callNow) {
            result = func.apply(context, args);
          }
          return result;
        };
      },

      // Description:
      //    Parses data-options attribute
      //
      // Arguments:
      //    El (jQuery Object): Element to be parsed.
      //
      // Returns:
      //    Options (Javascript Object): Contents of the element's data-options
      //    attribute.
      data_options : function (el, data_attr_name) {
        data_attr_name = data_attr_name || 'options';
        var opts = {}, ii, p, opts_arr,
            data_options = function (el) {
              var namespace = Foundation.global.namespace;

              if (namespace.length > 0) {
                return el.data(namespace + '-' + data_attr_name);
              }

              return el.data(data_attr_name);
            };

        var cached_options = data_options(el);

        if (typeof cached_options === 'object') {
          return cached_options;
        }

        opts_arr = (cached_options || ':').split(';');
        ii = opts_arr.length;

        function isNumber (o) {
          return !isNaN (o - 0) && o !== null && o !== '' && o !== false && o !== true;
        }

        function trim (str) {
          if (typeof str === 'string') {
            return $.trim(str);
          }
          return str;
        }

        while (ii--) {
          p = opts_arr[ii].split(':');
          p = [p[0], p.slice(1).join(':')];

          if (/true/i.test(p[1])) {
            p[1] = true;
          }
          if (/false/i.test(p[1])) {
            p[1] = false;
          }
          if (isNumber(p[1])) {
            if (p[1].indexOf('.') === -1) {
              p[1] = parseInt(p[1], 10);
            } else {
              p[1] = parseFloat(p[1]);
            }
          }

          if (p.length === 2 && p[0].length > 0) {
            opts[trim(p[0])] = trim(p[1]);
          }
        }

        return opts;
      },

      // Description:
      //    Adds JS-recognizable media queries
      //
      // Arguments:
      //    Media (String): Key string for the media query to be stored as in
      //    Foundation.media_queries
      //
      //    Class (String): Class name for the generated <meta> tag
      register_media : function (media, media_class) {
        if (Foundation.media_queries[media] === undefined) {
          $('head').append('<meta class="' + media_class + '"/>');
          Foundation.media_queries[media] = removeQuotes($('.' + media_class).css('font-family'));
        }
      },

      // Description:
      //    Add custom CSS within a JS-defined media query
      //
      // Arguments:
      //    Rule (String): CSS rule to be appended to the document.
      //
      //    Media (String): Optional media query string for the CSS rule to be
      //    nested under.
      add_custom_rule : function (rule, media) {
        if (media === undefined && Foundation.stylesheet) {
          Foundation.stylesheet.insertRule(rule, Foundation.stylesheet.cssRules.length);
        } else {
          var query = Foundation.media_queries[media];

          if (query !== undefined) {
            Foundation.stylesheet.insertRule('@media ' +
              Foundation.media_queries[media] + '{ ' + rule + ' }');
          }
        }
      },

      // Description:
      //    Performs a callback function when an image is fully loaded
      //
      // Arguments:
      //    Image (jQuery Object): Image(s) to check if loaded.
      //
      //    Callback (Function): Function to execute when image is fully loaded.
      image_loaded : function (images, callback) {
        var self = this,
            unloaded = images.length;

        if (unloaded === 0) {
          callback(images);
        }

        images.each(function () {
          single_image_loaded(self.S(this), function () {
            unloaded -= 1;
            if (unloaded === 0) {
              callback(images);
            }
          });
        });
      },

      // Description:
      //    Returns a random, alphanumeric string
      //
      // Arguments:
      //    Length (Integer): Length of string to be generated. Defaults to random
      //    integer.
      //
      // Returns:
      //    Rand (String): Pseudo-random, alphanumeric string.
      random_str : function () {
        if (!this.fidx) {
          this.fidx = 0;
        }
        this.prefix = this.prefix || [(this.name || 'F'), (+new Date).toString(36)].join('-');

        return this.prefix + (this.fidx++).toString(36);
      },

      // Description:
      //    Helper for window.matchMedia
      //
      // Arguments:
      //    mq (String): Media query
      //
      // Returns:
      //    (Boolean): Whether the media query passes or not
      match : function (mq) {
        return window.matchMedia(mq).matches;
      },

      // Description:
      //    Helpers for checking Foundation default media queries with JS
      //
      // Returns:
      //    (Boolean): Whether the media query passes or not

      is_small_up : function () {
        return this.match(Foundation.media_queries.small);
      },

      is_medium_up : function () {
        return this.match(Foundation.media_queries.medium);
      },

      is_large_up : function () {
        return this.match(Foundation.media_queries.large);
      },

      is_xlarge_up : function () {
        return this.match(Foundation.media_queries.xlarge);
      },

      is_xxlarge_up : function () {
        return this.match(Foundation.media_queries.xxlarge);
      },

      is_small_only : function () {
        return !this.is_medium_up() && !this.is_large_up() && !this.is_xlarge_up() && !this.is_xxlarge_up();
      },

      is_medium_only : function () {
        return this.is_medium_up() && !this.is_large_up() && !this.is_xlarge_up() && !this.is_xxlarge_up();
      },

      is_large_only : function () {
        return this.is_medium_up() && this.is_large_up() && !this.is_xlarge_up() && !this.is_xxlarge_up();
      },

      is_xlarge_only : function () {
        return this.is_medium_up() && this.is_large_up() && this.is_xlarge_up() && !this.is_xxlarge_up();
      },

      is_xxlarge_only : function () {
        return this.is_medium_up() && this.is_large_up() && this.is_xlarge_up() && this.is_xxlarge_up();
      }
    }
  };

  $.fn.foundation = function () {
    var args = Array.prototype.slice.call(arguments, 0);

    return this.each(function () {
      Foundation.init.apply(Foundation, [this].concat(args));
      return this;
    });
  };

}(jQuery, window, window.document));

;(function ($, window, document, undefined) {
  'use strict';

  Foundation.libs.topbar = {
    name : 'topbar',

    version : '5.5.1',

    settings : {
      index : 0,
      sticky_class : 'sticky',
      custom_back_text : true,
      back_text : 'Back',
      mobile_show_parent_link : true,
      is_hover : true,
      scrolltop : true, // jump to top when sticky nav menu toggle is clicked
      sticky_on : 'all'
    },

    init : function (section, method, options) {
      Foundation.inherit(this, 'add_custom_rule register_media throttle');
      var self = this;

      self.register_media('topbar', 'foundation-mq-topbar');

      this.bindings(method, options);

      self.S('[' + this.attr_name() + ']', this.scope).each(function () {
        var topbar = $(this),
            settings = topbar.data(self.attr_name(true) + '-init'),
            section = self.S('section, .top-bar-section', this);
        topbar.data('index', 0);
        var topbarContainer = topbar.parent();
        if (topbarContainer.hasClass('fixed') || self.is_sticky(topbar, topbarContainer, settings) ) {
          self.settings.sticky_class = settings.sticky_class;
          self.settings.sticky_topbar = topbar;
          topbar.data('height', topbarContainer.outerHeight());
          topbar.data('stickyoffset', topbarContainer.offset().top);
        } else {
          topbar.data('height', topbar.outerHeight());
        }

        if (!settings.assembled) {
          self.assemble(topbar);
        }

        if (settings.is_hover) {
          self.S('.has-dropdown', topbar).addClass('not-click');
        } else {
          self.S('.has-dropdown', topbar).removeClass('not-click');
        }

        // Pad body when sticky (scrolled) or fixed.
        self.add_custom_rule('.f-topbar-fixed { padding-top: ' + topbar.data('height') + 'px }');

        if (topbarContainer.hasClass('fixed')) {
          self.S('body').addClass('f-topbar-fixed');
        }
      });

    },

    is_sticky : function (topbar, topbarContainer, settings) {
      var sticky     = topbarContainer.hasClass(settings.sticky_class);
      var smallMatch = matchMedia(Foundation.media_queries.small).matches;
      var medMatch   = matchMedia(Foundation.media_queries.medium).matches;
      var lrgMatch   = matchMedia(Foundation.media_queries.large).matches;
      
       if (sticky && settings.sticky_on === 'all') {
          return true;
       }
       if (sticky && this.small() && settings.sticky_on.indexOf('small') !== -1) {
           if (smallMatch && !medMatch && !lrgMatch) { return true; }
       }
       if (sticky && this.medium() && settings.sticky_on.indexOf('medium') !== -1) {
           if (smallMatch && medMatch && !lrgMatch) { return true; }
       }
       if (sticky && this.large() && settings.sticky_on.indexOf('large') !== -1) {
           if (smallMatch && medMatch && lrgMatch) { return true; }
       }

       // fix for iOS browsers
       if (sticky && navigator.userAgent.match(/(iPad|iPhone|iPod)/g)) {
        return true;
       }
       return false;
    },

    toggle : function (toggleEl) {
      var self = this,
          topbar;

      if (toggleEl) {
        topbar = self.S(toggleEl).closest('[' + this.attr_name() + ']');
      } else {
        topbar = self.S('[' + this.attr_name() + ']');
      }

      var settings = topbar.data(this.attr_name(true) + '-init');

      var section = self.S('section, .top-bar-section', topbar);

      if (self.breakpoint()) {
        if (!self.rtl) {
          section.css({left : '0%'});
          $('>.name', section).css({left : '100%'});
        } else {
          section.css({right : '0%'});
          $('>.name', section).css({right : '100%'});
        }

        self.S('li.moved', section).removeClass('moved');
        topbar.data('index', 0);

        topbar
          .toggleClass('expanded')
          .css('height', '');
      }

      if (settings.scrolltop) {
        if (!topbar.hasClass('expanded')) {
          if (topbar.hasClass('fixed')) {
            topbar.parent().addClass('fixed');
            topbar.removeClass('fixed');
            self.S('body').addClass('f-topbar-fixed');
          }
        } else if (topbar.parent().hasClass('fixed')) {
          if (settings.scrolltop) {
            topbar.parent().removeClass('fixed');
            topbar.addClass('fixed');
            self.S('body').removeClass('f-topbar-fixed');

            window.scrollTo(0, 0);
          } else {
            topbar.parent().removeClass('expanded');
          }
        }
      } else {
        if (self.is_sticky(topbar, topbar.parent(), settings)) {
          topbar.parent().addClass('fixed');
        }

        if (topbar.parent().hasClass('fixed')) {
          if (!topbar.hasClass('expanded')) {
            topbar.removeClass('fixed');
            topbar.parent().removeClass('expanded');
            self.update_sticky_positioning();
          } else {
            topbar.addClass('fixed');
            topbar.parent().addClass('expanded');
            self.S('body').addClass('f-topbar-fixed');
          }
        }
      }
    },

    timer : null,

    events : function (bar) {
      var self = this,
          S = this.S;

      S(this.scope)
        .off('.topbar')
        .on('click.fndtn.topbar', '[' + this.attr_name() + '] .toggle-topbar', function (e) {
          e.preventDefault();
          self.toggle(this);
        })
        .on('click.fndtn.topbar', '.top-bar .top-bar-section li a[href^="#"],[' + this.attr_name() + '] .top-bar-section li a[href^="#"]', function (e) {
            var li = $(this).closest('li');
            if (self.breakpoint() && !li.hasClass('back') && !li.hasClass('has-dropdown')) {
              self.toggle();
            }
        })
        .on('click.fndtn.topbar', '[' + this.attr_name() + '] li.has-dropdown', function (e) {
          var li = S(this),
              target = S(e.target),
              topbar = li.closest('[' + self.attr_name() + ']'),
              settings = topbar.data(self.attr_name(true) + '-init');

          if (target.data('revealId')) {
            self.toggle();
            return;
          }

          if (self.breakpoint()) {
            return;
          }

          if (settings.is_hover && !Modernizr.touch) {
            return;
          }

          e.stopImmediatePropagation();

          if (li.hasClass('hover')) {
            li
              .removeClass('hover')
              .find('li')
              .removeClass('hover');

            li.parents('li.hover')
              .removeClass('hover');
          } else {
            li.addClass('hover');

            $(li).siblings().removeClass('hover');

            if (target[0].nodeName === 'A' && target.parent().hasClass('has-dropdown')) {
              e.preventDefault();
            }
          }
        })
        .on('click.fndtn.topbar', '[' + this.attr_name() + '] .has-dropdown>a', function (e) {
          if (self.breakpoint()) {

            e.preventDefault();

            var $this = S(this),
                topbar = $this.closest('[' + self.attr_name() + ']'),
                section = topbar.find('section, .top-bar-section'),
                dropdownHeight = $this.next('.dropdown').outerHeight(),
                $selectedLi = $this.closest('li');

            topbar.data('index', topbar.data('index') + 1);
            $selectedLi.addClass('moved');

            if (!self.rtl) {
              section.css({left : -(100 * topbar.data('index')) + '%'});
              section.find('>.name').css({left : 100 * topbar.data('index') + '%'});
            } else {
              section.css({right : -(100 * topbar.data('index')) + '%'});
              section.find('>.name').css({right : 100 * topbar.data('index') + '%'});
            }

            topbar.css('height', $this.siblings('ul').outerHeight(true) + topbar.data('height'));
          }
        });

      S(window).off('.topbar').on('resize.fndtn.topbar', self.throttle(function () {
          self.resize.call(self);
      }, 50)).trigger('resize').trigger('resize.fndtn.topbar').load(function () {
          // Ensure that the offset is calculated after all of the pages resources have loaded
          S(this).trigger('resize.fndtn.topbar');
      });

      S('body').off('.topbar').on('click.fndtn.topbar', function (e) {
        var parent = S(e.target).closest('li').closest('li.hover');

        if (parent.length > 0) {
          return;
        }

        S('[' + self.attr_name() + '] li.hover').removeClass('hover');
      });

      // Go up a level on Click
      S(this.scope).on('click.fndtn.topbar', '[' + this.attr_name() + '] .has-dropdown .back', function (e) {
        e.preventDefault();

        var $this = S(this),
            topbar = $this.closest('[' + self.attr_name() + ']'),
            section = topbar.find('section, .top-bar-section'),
            settings = topbar.data(self.attr_name(true) + '-init'),
            $movedLi = $this.closest('li.moved'),
            $previousLevelUl = $movedLi.parent();

        topbar.data('index', topbar.data('index') - 1);

        if (!self.rtl) {
          section.css({left : -(100 * topbar.data('index')) + '%'});
          section.find('>.name').css({left : 100 * topbar.data('index') + '%'});
        } else {
          section.css({right : -(100 * topbar.data('index')) + '%'});
          section.find('>.name').css({right : 100 * topbar.data('index') + '%'});
        }

        if (topbar.data('index') === 0) {
          topbar.css('height', '');
        } else {
          topbar.css('height', $previousLevelUl.outerHeight(true) + topbar.data('height'));
        }

        setTimeout(function () {
          $movedLi.removeClass('moved');
        }, 300);
      });

      // Show dropdown menus when their items are focused
      S(this.scope).find('.dropdown a')
        .focus(function () {
          $(this).parents('.has-dropdown').addClass('hover');
        })
        .blur(function () {
          $(this).parents('.has-dropdown').removeClass('hover');
        });
    },

    resize : function () {
      var self = this;
      self.S('[' + this.attr_name() + ']').each(function () {
        var topbar = self.S(this),
            settings = topbar.data(self.attr_name(true) + '-init');

        var stickyContainer = topbar.parent('.' + self.settings.sticky_class);
        var stickyOffset;

        if (!self.breakpoint()) {
          var doToggle = topbar.hasClass('expanded');
          topbar
            .css('height', '')
            .removeClass('expanded')
            .find('li')
            .removeClass('hover');

            if (doToggle) {
              self.toggle(topbar);
            }
        }

        if (self.is_sticky(topbar, stickyContainer, settings)) {
          if (stickyContainer.hasClass('fixed')) {
            // Remove the fixed to allow for correct calculation of the offset.
            stickyContainer.removeClass('fixed');

            stickyOffset = stickyContainer.offset().top;
            if (self.S(document.body).hasClass('f-topbar-fixed')) {
              stickyOffset -= topbar.data('height');
            }

            topbar.data('stickyoffset', stickyOffset);
            stickyContainer.addClass('fixed');
          } else {
            stickyOffset = stickyContainer.offset().top;
            topbar.data('stickyoffset', stickyOffset);
          }
        }

      });
    },

    breakpoint : function () {
      return !matchMedia(Foundation.media_queries['topbar']).matches;
    },

    small : function () {
      return matchMedia(Foundation.media_queries['small']).matches;
    },

    medium : function () {
      return matchMedia(Foundation.media_queries['medium']).matches;
    },

    large : function () {
      return matchMedia(Foundation.media_queries['large']).matches;
    },

    assemble : function (topbar) {
      var self = this,
          settings = topbar.data(this.attr_name(true) + '-init'),
          section = self.S('section, .top-bar-section', topbar);

      // Pull element out of the DOM for manipulation
      section.detach();

      self.S('.has-dropdown>a', section).each(function () {
        var $link = self.S(this),
            $dropdown = $link.siblings('.dropdown'),
            url = $link.attr('href'),
            $titleLi;

        if (!$dropdown.find('.title.back').length) {

          if (settings.mobile_show_parent_link == true && url) {
            $titleLi = $('<li class="title back js-generated"><h5><a href="javascript:void(0)"></a></h5></li><li class="parent-link hide-for-large-up"><a class="parent-link js-generated" href="' + url + '">' + $link.html() +'</a></li>');
          } else {
            $titleLi = $('<li class="title back js-generated"><h5><a href="javascript:void(0)"></a></h5>');
          }

          // Copy link to subnav
          if (settings.custom_back_text == true) {
            $('h5>a', $titleLi).html(settings.back_text);
          } else {
            $('h5>a', $titleLi).html('&laquo; ' + $link.html());
          }
          $dropdown.prepend($titleLi);
        }
      });

      // Put element back in the DOM
      section.appendTo(topbar);

      // check for sticky
      this.sticky();

      this.assembled(topbar);
    },

    assembled : function (topbar) {
      topbar.data(this.attr_name(true), $.extend({}, topbar.data(this.attr_name(true)), {assembled : true}));
    },

    height : function (ul) {
      var total = 0,
          self = this;

      $('> li', ul).each(function () {
        total += self.S(this).outerHeight(true);
      });

      return total;
    },

    sticky : function () {
      var self = this;

      this.S(window).on('scroll', function () {
        self.update_sticky_positioning();
      });
    },

    update_sticky_positioning : function () {
      var klass = '.' + this.settings.sticky_class,
          $window = this.S(window),
          self = this;

      if (self.settings.sticky_topbar && self.is_sticky(this.settings.sticky_topbar, this.settings.sticky_topbar.parent(), this.settings)) {
        var distance = this.settings.sticky_topbar.data('stickyoffset');
        if (!self.S(klass).hasClass('expanded')) {
          if ($window.scrollTop() > (distance)) {
            if (!self.S(klass).hasClass('fixed')) {
              self.S(klass).addClass('fixed');
              self.S('body').addClass('f-topbar-fixed');
            }
          } else if ($window.scrollTop() <= distance) {
            if (self.S(klass).hasClass('fixed')) {
              self.S(klass).removeClass('fixed');
              self.S('body').removeClass('f-topbar-fixed');
            }
          }
        }
      }
    },

    off : function () {
      this.S(this.scope).off('.fndtn.topbar');
      this.S(window).off('.fndtn.topbar');
    },

    reflow : function () {}
  };
}(jQuery, window, window.document));

;(function ($, window, document, undefined) {
  'use strict';

  Foundation.libs.clearing = {
    name : 'clearing',

    version : '5.5.1',

    settings : {
      templates : {
        viewing : '<a href="#" class="clearing-close">&times;</a>' +
          '<div class="visible-img" style="display: none"><div class="clearing-touch-label"></div><img src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D" alt="" />' +
          '<p class="clearing-caption"></p><a href="#" class="clearing-main-prev"><span></span></a>' +
          '<a href="#" class="clearing-main-next"><span></span></a></div>'
      },

      // comma delimited list of selectors that, on click, will close clearing,
      // add 'div.clearing-blackout, div.visible-img' to close on background click
      close_selectors : '.clearing-close, div.clearing-blackout',

      // Default to the entire li element.
      open_selectors : '',

      // Image will be skipped in carousel.
      skip_selector : '',

      touch_label : '',

      // event initializers and locks
      init : false,
      locked : false
    },

    init : function (scope, method, options) {
      var self = this;
      Foundation.inherit(this, 'throttle image_loaded');

      this.bindings(method, options);

      if (self.S(this.scope).is('[' + this.attr_name() + ']')) {
        this.assemble(self.S('li', this.scope));
      } else {
        self.S('[' + this.attr_name() + ']', this.scope).each(function () {
          self.assemble(self.S('li', this));
        });
      }
    },

    events : function (scope) {
      var self = this,
          S = self.S,
          $scroll_container = $('.scroll-container');

      if ($scroll_container.length > 0) {
        this.scope = $scroll_container;
      }

      S(this.scope)
        .off('.clearing')
        .on('click.fndtn.clearing', 'ul[' + this.attr_name() + '] li ' + this.settings.open_selectors,
          function (e, current, target) {
            var current = current || S(this),
                target = target || current,
                next = current.next('li'),
                settings = current.closest('[' + self.attr_name() + ']').data(self.attr_name(true) + '-init'),
                image = S(e.target);

            e.preventDefault();

            if (!settings) {
              self.init();
              settings = current.closest('[' + self.attr_name() + ']').data(self.attr_name(true) + '-init');
            }

            // if clearing is open and the current image is
            // clicked, go to the next image in sequence
            if (target.hasClass('visible') &&
              current[0] === target[0] &&
              next.length > 0 && self.is_open(current)) {
              target = next;
              image = S('img', target);
            }

            // set current and target to the clicked li if not otherwise defined.
            self.open(image, current, target);
            self.update_paddles(target);
          })

        .on('click.fndtn.clearing', '.clearing-main-next',
          function (e) { self.nav(e, 'next') })
        .on('click.fndtn.clearing', '.clearing-main-prev',
          function (e) { self.nav(e, 'prev') })
        .on('click.fndtn.clearing', this.settings.close_selectors,
          function (e) { Foundation.libs.clearing.close(e, this) });

      $(document).on('keydown.fndtn.clearing',
          function (e) { self.keydown(e) });

      S(window).off('.clearing').on('resize.fndtn.clearing',
        function () { self.resize() });

      this.swipe_events(scope);
    },

    swipe_events : function (scope) {
      var self = this,
      S = self.S;

      S(this.scope)
        .on('touchstart.fndtn.clearing', '.visible-img', function (e) {
          if (!e.touches) { e = e.originalEvent; }
          var data = {
                start_page_x : e.touches[0].pageX,
                start_page_y : e.touches[0].pageY,
                start_time : (new Date()).getTime(),
                delta_x : 0,
                is_scrolling : undefined
              };

          S(this).data('swipe-transition', data);
          e.stopPropagation();
        })
        .on('touchmove.fndtn.clearing', '.visible-img', function (e) {
          if (!e.touches) {
            e = e.originalEvent;
          }
          // Ignore pinch/zoom events
          if (e.touches.length > 1 || e.scale && e.scale !== 1) {
            return;
          }

          var data = S(this).data('swipe-transition');

          if (typeof data === 'undefined') {
            data = {};
          }

          data.delta_x = e.touches[0].pageX - data.start_page_x;

          if (Foundation.rtl) {
            data.delta_x = -data.delta_x;
          }

          if (typeof data.is_scrolling === 'undefined') {
            data.is_scrolling = !!( data.is_scrolling || Math.abs(data.delta_x) < Math.abs(e.touches[0].pageY - data.start_page_y) );
          }

          if (!data.is_scrolling && !data.active) {
            e.preventDefault();
            var direction = (data.delta_x < 0) ? 'next' : 'prev';
            data.active = true;
            self.nav(e, direction);
          }
        })
        .on('touchend.fndtn.clearing', '.visible-img', function (e) {
          S(this).data('swipe-transition', {});
          e.stopPropagation();
        });
    },

    assemble : function ($li) {
      var $el = $li.parent();

      if ($el.parent().hasClass('carousel')) {
        return;
      }

      $el.after('<div id="foundationClearingHolder"></div>');

      var grid = $el.detach(),
          grid_outerHTML = '';

      if (grid[0] == null) {
        return;
      } else {
        grid_outerHTML = grid[0].outerHTML;
      }

      var holder = this.S('#foundationClearingHolder'),
          settings = $el.data(this.attr_name(true) + '-init'),
          data = {
            grid : '<div class="carousel">' + grid_outerHTML + '</div>',
            viewing : settings.templates.viewing
          },
          wrapper = '<div class="clearing-assembled"><div>' + data.viewing +
            data.grid + '</div></div>',
          touch_label = this.settings.touch_label;

      if (Modernizr.touch) {
        wrapper = $(wrapper).find('.clearing-touch-label').html(touch_label).end();
      }

      holder.after(wrapper).remove();
    },

    open : function ($image, current, target) {
      var self = this,
          body = $(document.body),
          root = target.closest('.clearing-assembled'),
          container = self.S('div', root).first(),
          visible_image = self.S('.visible-img', container),
          image = self.S('img', visible_image).not($image),
          label = self.S('.clearing-touch-label', container),
          error = false;

      // Event to disable scrolling on touch devices when Clearing is activated
      $('body').on('touchmove', function (e) {
        e.preventDefault();
      });

      image.error(function () {
        error = true;
      });

      function startLoad() {
        setTimeout(function () {
          this.image_loaded(image, function () {
            if (image.outerWidth() === 1 && !error) {
              startLoad.call(this);
            } else {
              cb.call(this, image);
            }
          }.bind(this));
        }.bind(this), 100);
      }

      function cb (image) {
        var $image = $(image);
        $image.css('visibility', 'visible');
        // toggle the gallery
        body.css('overflow', 'hidden');
        root.addClass('clearing-blackout');
        container.addClass('clearing-container');
        visible_image.show();
        this.fix_height(target)
          .caption(self.S('.clearing-caption', visible_image), self.S('img', target))
          .center_and_label(image, label)
          .shift(current, target, function () {
            target.closest('li').siblings().removeClass('visible');
            target.closest('li').addClass('visible');
          });
        visible_image.trigger('opened.fndtn.clearing')
      }

      if (!this.locked()) {
        visible_image.trigger('open.fndtn.clearing');
        // set the image to the selected thumbnail
        image
          .attr('src', this.load($image))
          .css('visibility', 'hidden');

        startLoad.call(this);
      }
    },

    close : function (e, el) {
      e.preventDefault();

      var root = (function (target) {
            if (/blackout/.test(target.selector)) {
              return target;
            } else {
              return target.closest('.clearing-blackout');
            }
          }($(el))),
          body = $(document.body), container, visible_image;

      if (el === e.target && root) {
        body.css('overflow', '');
        container = $('div', root).first();
        visible_image = $('.visible-img', container);
        visible_image.trigger('close.fndtn.clearing');
        this.settings.prev_index = 0;
        $('ul[' + this.attr_name() + ']', root)
          .attr('style', '').closest('.clearing-blackout')
          .removeClass('clearing-blackout');
        container.removeClass('clearing-container');
        visible_image.hide();
        visible_image.trigger('closed.fndtn.clearing');
      }

      // Event to re-enable scrolling on touch devices
      $('body').off('touchmove');

      return false;
    },

    is_open : function (current) {
      return current.parent().prop('style').length > 0;
    },

    keydown : function (e) {
      var clearing = $('.clearing-blackout ul[' + this.attr_name() + ']'),
          NEXT_KEY = this.rtl ? 37 : 39,
          PREV_KEY = this.rtl ? 39 : 37,
          ESC_KEY = 27;

      if (e.which === NEXT_KEY) {
        this.go(clearing, 'next');
      }
      if (e.which === PREV_KEY) {
        this.go(clearing, 'prev');
      }
      if (e.which === ESC_KEY) {
        this.S('a.clearing-close').trigger('click').trigger('click.fndtn.clearing');
      }
    },

    nav : function (e, direction) {
      var clearing = $('ul[' + this.attr_name() + ']', '.clearing-blackout');

      e.preventDefault();
      this.go(clearing, direction);
    },

    resize : function () {
      var image = $('img', '.clearing-blackout .visible-img'),
          label = $('.clearing-touch-label', '.clearing-blackout');

      if (image.length) {
        this.center_and_label(image, label);
        image.trigger('resized.fndtn.clearing')
      }
    },

    // visual adjustments
    fix_height : function (target) {
      var lis = target.parent().children(),
          self = this;

      lis.each(function () {
        var li = self.S(this),
            image = li.find('img');

        if (li.height() > image.outerHeight()) {
          li.addClass('fix-height');
        }
      })
      .closest('ul')
      .width(lis.length * 100 + '%');

      return this;
    },

    update_paddles : function (target) {
      target = target.closest('li');
      var visible_image = target
        .closest('.carousel')
        .siblings('.visible-img');

      if (target.next().length > 0) {
        this.S('.clearing-main-next', visible_image).removeClass('disabled');
      } else {
        this.S('.clearing-main-next', visible_image).addClass('disabled');
      }

      if (target.prev().length > 0) {
        this.S('.clearing-main-prev', visible_image).removeClass('disabled');
      } else {
        this.S('.clearing-main-prev', visible_image).addClass('disabled');
      }
    },

    center_and_label : function (target, label) {
      if (!this.rtl && label.length > 0) {
        label.css({
          marginLeft : -(label.outerWidth() / 2),
          marginTop : -(target.outerHeight() / 2)-label.outerHeight()-10
        });
      } else {
        label.css({
          marginRight : -(label.outerWidth() / 2),
          marginTop : -(target.outerHeight() / 2)-label.outerHeight()-10,
          left: 'auto',
          right: '50%'
        });
      }
      return this;
    },

    // image loading and preloading

    load : function ($image) {
      var href;

      if ($image[0].nodeName === 'A') {
        href = $image.attr('href');
      } else {
        href = $image.closest('a').attr('href');
      }

      this.preload($image);

      if (href) {
        return href;
      }
      return $image.attr('src');
    },

    preload : function ($image) {
      this
        .img($image.closest('li').next())
        .img($image.closest('li').prev());
    },

    img : function (img) {
      if (img.length) {
        var new_img = new Image(),
            new_a = this.S('a', img);

        if (new_a.length) {
          new_img.src = new_a.attr('href');
        } else {
          new_img.src = this.S('img', img).attr('src');
        }
      }
      return this;
    },

    // image caption

    caption : function (container, $image) {
      var caption = $image.attr('data-caption');

      if (caption) {
        container
          .html(caption)
          .show();
      } else {
        container
          .text('')
          .hide();
      }
      return this;
    },

    // directional methods

    go : function ($ul, direction) {
      var current = this.S('.visible', $ul),
          target = current[direction]();

      // Check for skip selector.
      if (this.settings.skip_selector && target.find(this.settings.skip_selector).length != 0) {
        target = target[direction]();
      }

      if (target.length) {
        this.S('img', target)
          .trigger('click', [current, target]).trigger('click.fndtn.clearing', [current, target])
          .trigger('change.fndtn.clearing');
      }
    },

    shift : function (current, target, callback) {
      var clearing = target.parent(),
          old_index = this.settings.prev_index || target.index(),
          direction = this.direction(clearing, current, target),
          dir = this.rtl ? 'right' : 'left',
          left = parseInt(clearing.css('left'), 10),
          width = target.outerWidth(),
          skip_shift;

      var dir_obj = {};

      // we use jQuery animate instead of CSS transitions because we
      // need a callback to unlock the next animation
      // needs support for RTL **
      if (target.index() !== old_index && !/skip/.test(direction)) {
        if (/left/.test(direction)) {
          this.lock();
          dir_obj[dir] = left + width;
          clearing.animate(dir_obj, 300, this.unlock());
        } else if (/right/.test(direction)) {
          this.lock();
          dir_obj[dir] = left - width;
          clearing.animate(dir_obj, 300, this.unlock());
        }
      } else if (/skip/.test(direction)) {
        // the target image is not adjacent to the current image, so
        // do we scroll right or not
        skip_shift = target.index() - this.settings.up_count;
        this.lock();

        if (skip_shift > 0) {
          dir_obj[dir] = -(skip_shift * width);
          clearing.animate(dir_obj, 300, this.unlock());
        } else {
          dir_obj[dir] = 0;
          clearing.animate(dir_obj, 300, this.unlock());
        }
      }

      callback();
    },

    direction : function ($el, current, target) {
      var lis = this.S('li', $el),
          li_width = lis.outerWidth() + (lis.outerWidth() / 4),
          up_count = Math.floor(this.S('.clearing-container').outerWidth() / li_width) - 1,
          target_index = lis.index(target),
          response;

      this.settings.up_count = up_count;

      if (this.adjacent(this.settings.prev_index, target_index)) {
        if ((target_index > up_count) && target_index > this.settings.prev_index) {
          response = 'right';
        } else if ((target_index > up_count - 1) && target_index <= this.settings.prev_index) {
          response = 'left';
        } else {
          response = false;
        }
      } else {
        response = 'skip';
      }

      this.settings.prev_index = target_index;

      return response;
    },

    adjacent : function (current_index, target_index) {
      for (var i = target_index + 1; i >= target_index - 1; i--) {
        if (i === current_index) {
          return true;
        }
      }
      return false;
    },

    // lock management

    lock : function () {
      this.settings.locked = true;
    },

    unlock : function () {
      this.settings.locked = false;
    },

    locked : function () {
      return this.settings.locked;
    },

    off : function () {
      this.S(this.scope).off('.fndtn.clearing');
      this.S(window).off('.fndtn.clearing');
    },

    reflow : function () {
      this.init();
    }
  };

}(jQuery, window, window.document));

/*
     _ _      _       _
 ___| (_) ___| | __  (_)___
/ __| | |/ __| |/ /  | / __|
\__ \ | | (__|   < _ | \__ \
|___/_|_|\___|_|\_(_)/ |___/
                   |__/

 Version: 1.6.0
  Author: Ken Wheeler
 Website: http://kenwheeler.github.io
    Docs: http://kenwheeler.github.io/slick
    Repo: http://github.com/kenwheeler/slick
  Issues: http://github.com/kenwheeler/slick/issues

 */
/* global window, document, define, jQuery, setInterval, clearInterval */
(function(factory) {
    'use strict';
    if (typeof define === 'function' && define.amd) {
        define(['jquery'], factory);
    } else if (typeof exports !== 'undefined') {
        module.exports = factory(require('jquery'));
    } else {
        factory(jQuery);
    }

}(function($) {
    'use strict';
    var Slick = window.Slick || {};

    Slick = (function() {

        var instanceUid = 0;

        function Slick(element, settings) {

            var _ = this, dataSettings;

            _.defaults = {
                accessibility: true,
                adaptiveHeight: false,
                appendArrows: $(element),
                appendDots: $(element),
                arrows: true,
                asNavFor: null,
                prevArrow: '<button type="button" data-role="none" class="slick-prev" aria-label="Previous" tabindex="0" role="button">Previous</button>',
                nextArrow: '<button type="button" data-role="none" class="slick-next" aria-label="Next" tabindex="0" role="button">Next</button>',
                autoplay: false,
                autoplaySpeed: 3000,
                centerMode: false,
                centerPadding: '50px',
                cssEase: 'ease',
                customPaging: function(slider, i) {
                    return $('<button type="button" data-role="none" role="button" tabindex="0" />').text(i + 1);
                },
                dots: false,
                dotsClass: 'slick-dots',
                draggable: true,
                easing: 'linear',
                edgeFriction: 0.35,
                fade: false,
                focusOnSelect: false,
                infinite: true,
                initialSlide: 0,
                lazyLoad: 'ondemand',
                mobileFirst: false,
                pauseOnHover: true,
                pauseOnFocus: true,
                pauseOnDotsHover: false,
                respondTo: 'window',
                responsive: null,
                rows: 1,
                rtl: false,
                slide: '',
                slidesPerRow: 1,
                slidesToShow: 1,
                slidesToScroll: 1,
                speed: 500,
                swipe: true,
                swipeToSlide: false,
                touchMove: true,
                touchThreshold: 5,
                useCSS: true,
                useTransform: true,
                variableWidth: false,
                vertical: false,
                verticalSwiping: false,
                waitForAnimate: true,
                zIndex: 1000
            };

            _.initials = {
                animating: false,
                dragging: false,
                autoPlayTimer: null,
                currentDirection: 0,
                currentLeft: null,
                currentSlide: 0,
                direction: 1,
                $dots: null,
                listWidth: null,
                listHeight: null,
                loadIndex: 0,
                $nextArrow: null,
                $prevArrow: null,
                slideCount: null,
                slideWidth: null,
                $slideTrack: null,
                $slides: null,
                sliding: false,
                slideOffset: 0,
                swipeLeft: null,
                $list: null,
                touchObject: {},
                transformsEnabled: false,
                unslicked: false
            };

            $.extend(_, _.initials);

            _.activeBreakpoint = null;
            _.animType = null;
            _.animProp = null;
            _.breakpoints = [];
            _.breakpointSettings = [];
            _.cssTransitions = false;
            _.focussed = false;
            _.interrupted = false;
            _.hidden = 'hidden';
            _.paused = true;
            _.positionProp = null;
            _.respondTo = null;
            _.rowCount = 1;
            _.shouldClick = true;
            _.$slider = $(element);
            _.$slidesCache = null;
            _.transformType = null;
            _.transitionType = null;
            _.visibilityChange = 'visibilitychange';
            _.windowWidth = 0;
            _.windowTimer = null;

            dataSettings = $(element).data('slick') || {};

            _.options = $.extend({}, _.defaults, settings, dataSettings);

            _.currentSlide = _.options.initialSlide;

            _.originalSettings = _.options;

            if (typeof document.mozHidden !== 'undefined') {
                _.hidden = 'mozHidden';
                _.visibilityChange = 'mozvisibilitychange';
            } else if (typeof document.webkitHidden !== 'undefined') {
                _.hidden = 'webkitHidden';
                _.visibilityChange = 'webkitvisibilitychange';
            }

            _.autoPlay = $.proxy(_.autoPlay, _);
            _.autoPlayClear = $.proxy(_.autoPlayClear, _);
            _.autoPlayIterator = $.proxy(_.autoPlayIterator, _);
            _.changeSlide = $.proxy(_.changeSlide, _);
            _.clickHandler = $.proxy(_.clickHandler, _);
            _.selectHandler = $.proxy(_.selectHandler, _);
            _.setPosition = $.proxy(_.setPosition, _);
            _.swipeHandler = $.proxy(_.swipeHandler, _);
            _.dragHandler = $.proxy(_.dragHandler, _);
            _.keyHandler = $.proxy(_.keyHandler, _);

            _.instanceUid = instanceUid++;

            // A simple way to check for HTML strings
            // Strict HTML recognition (must start with <)
            // Extracted from jQuery v1.11 source
            _.htmlExpr = /^(?:\s*(<[\w\W]+>)[^>]*)$/;


            _.registerBreakpoints();
            _.init(true);

        }

        return Slick;

    }());

    Slick.prototype.activateADA = function() {
        var _ = this;

        _.$slideTrack.find('.slick-active').attr({
            'aria-hidden': 'false'
        }).find('a, input, button, select').attr({
            'tabindex': '0'
        });

    };

    Slick.prototype.addSlide = Slick.prototype.slickAdd = function(markup, index, addBefore) {

        var _ = this;

        if (typeof(index) === 'boolean') {
            addBefore = index;
            index = null;
        } else if (index < 0 || (index >= _.slideCount)) {
            return false;
        }

        _.unload();

        if (typeof(index) === 'number') {
            if (index === 0 && _.$slides.length === 0) {
                $(markup).appendTo(_.$slideTrack);
            } else if (addBefore) {
                $(markup).insertBefore(_.$slides.eq(index));
            } else {
                $(markup).insertAfter(_.$slides.eq(index));
            }
        } else {
            if (addBefore === true) {
                $(markup).prependTo(_.$slideTrack);
            } else {
                $(markup).appendTo(_.$slideTrack);
            }
        }

        _.$slides = _.$slideTrack.children(this.options.slide);

        _.$slideTrack.children(this.options.slide).detach();

        _.$slideTrack.append(_.$slides);

        _.$slides.each(function(index, element) {
            $(element).attr('data-slick-index', index);
        });

        _.$slidesCache = _.$slides;

        _.reinit();

    };

    Slick.prototype.animateHeight = function() {
        var _ = this;
        if (_.options.slidesToShow === 1 && _.options.adaptiveHeight === true && _.options.vertical === false) {
            var targetHeight = _.$slides.eq(_.currentSlide).outerHeight(true);
            _.$list.animate({
                height: targetHeight
            }, _.options.speed);
        }
    };

    Slick.prototype.animateSlide = function(targetLeft, callback) {

        var animProps = {},
            _ = this;

        _.animateHeight();

        if (_.options.rtl === true && _.options.vertical === false) {
            targetLeft = -targetLeft;
        }
        if (_.transformsEnabled === false) {
            if (_.options.vertical === false) {
                _.$slideTrack.animate({
                    left: targetLeft
                }, _.options.speed, _.options.easing, callback);
            } else {
                _.$slideTrack.animate({
                    top: targetLeft
                }, _.options.speed, _.options.easing, callback);
            }

        } else {

            if (_.cssTransitions === false) {
                if (_.options.rtl === true) {
                    _.currentLeft = -(_.currentLeft);
                }
                $({
                    animStart: _.currentLeft
                }).animate({
                    animStart: targetLeft
                }, {
                    duration: _.options.speed,
                    easing: _.options.easing,
                    step: function(now) {
                        now = Math.ceil(now);
                        if (_.options.vertical === false) {
                            animProps[_.animType] = 'translate(' +
                                now + 'px, 0px)';
                            _.$slideTrack.css(animProps);
                        } else {
                            animProps[_.animType] = 'translate(0px,' +
                                now + 'px)';
                            _.$slideTrack.css(animProps);
                        }
                    },
                    complete: function() {
                        if (callback) {
                            callback.call();
                        }
                    }
                });

            } else {

                _.applyTransition();
                targetLeft = Math.ceil(targetLeft);

                if (_.options.vertical === false) {
                    animProps[_.animType] = 'translate3d(' + targetLeft + 'px, 0px, 0px)';
                } else {
                    animProps[_.animType] = 'translate3d(0px,' + targetLeft + 'px, 0px)';
                }
                _.$slideTrack.css(animProps);

                if (callback) {
                    setTimeout(function() {

                        _.disableTransition();

                        callback.call();
                    }, _.options.speed);
                }

            }

        }

    };

    Slick.prototype.getNavTarget = function() {

        var _ = this,
            asNavFor = _.options.asNavFor;

        if ( asNavFor && asNavFor !== null ) {
            asNavFor = $(asNavFor).not(_.$slider);
        }

        return asNavFor;

    };

    Slick.prototype.asNavFor = function(index) {

        var _ = this,
            asNavFor = _.getNavTarget();

        if ( asNavFor !== null && typeof asNavFor === 'object' ) {
            asNavFor.each(function() {
                var target = $(this).slick('getSlick');
                if(!target.unslicked) {
                    target.slideHandler(index, true);
                }
            });
        }

    };

    Slick.prototype.applyTransition = function(slide) {

        var _ = this,
            transition = {};

        if (_.options.fade === false) {
            transition[_.transitionType] = _.transformType + ' ' + _.options.speed + 'ms ' + _.options.cssEase;
        } else {
            transition[_.transitionType] = 'opacity ' + _.options.speed + 'ms ' + _.options.cssEase;
        }

        if (_.options.fade === false) {
            _.$slideTrack.css(transition);
        } else {
            _.$slides.eq(slide).css(transition);
        }

    };

    Slick.prototype.autoPlay = function() {

        var _ = this;

        _.autoPlayClear();

        if ( _.slideCount > _.options.slidesToShow ) {
            _.autoPlayTimer = setInterval( _.autoPlayIterator, _.options.autoplaySpeed );
        }

    };

    Slick.prototype.autoPlayClear = function() {

        var _ = this;

        if (_.autoPlayTimer) {
            clearInterval(_.autoPlayTimer);
        }

    };

    Slick.prototype.autoPlayIterator = function() {

        var _ = this,
            slideTo = _.currentSlide + _.options.slidesToScroll;

        if ( !_.paused && !_.interrupted && !_.focussed ) {

            if ( _.options.infinite === false ) {

                if ( _.direction === 1 && ( _.currentSlide + 1 ) === ( _.slideCount - 1 )) {
                    _.direction = 0;
                }

                else if ( _.direction === 0 ) {

                    slideTo = _.currentSlide - _.options.slidesToScroll;

                    if ( _.currentSlide - 1 === 0 ) {
                        _.direction = 1;
                    }

                }

            }

            _.slideHandler( slideTo );

        }

    };

    Slick.prototype.buildArrows = function() {

        var _ = this;

        if (_.options.arrows === true ) {

            _.$prevArrow = $(_.options.prevArrow).addClass('slick-arrow');
            _.$nextArrow = $(_.options.nextArrow).addClass('slick-arrow');

            if( _.slideCount > _.options.slidesToShow ) {

                _.$prevArrow.removeClass('slick-hidden').removeAttr('aria-hidden tabindex');
                _.$nextArrow.removeClass('slick-hidden').removeAttr('aria-hidden tabindex');

                if (_.htmlExpr.test(_.options.prevArrow)) {
                    _.$prevArrow.prependTo(_.options.appendArrows);
                }

                if (_.htmlExpr.test(_.options.nextArrow)) {
                    _.$nextArrow.appendTo(_.options.appendArrows);
                }

                if (_.options.infinite !== true) {
                    _.$prevArrow
                        .addClass('slick-disabled')
                        .attr('aria-disabled', 'true');
                }

            } else {

                _.$prevArrow.add( _.$nextArrow )

                    .addClass('slick-hidden')
                    .attr({
                        'aria-disabled': 'true',
                        'tabindex': '-1'
                    });

            }

        }

    };

    Slick.prototype.buildDots = function() {

        var _ = this,
            i, dot;

        if (_.options.dots === true && _.slideCount > _.options.slidesToShow) {

            _.$slider.addClass('slick-dotted');

            dot = $('<ul />').addClass(_.options.dotsClass);

            for (i = 0; i <= _.getDotCount(); i += 1) {
                dot.append($('<li />').append(_.options.customPaging.call(this, _, i)));
            }

            _.$dots = dot.appendTo(_.options.appendDots);

            _.$dots.find('li').first().addClass('slick-active').attr('aria-hidden', 'false');

        }

    };

    Slick.prototype.buildOut = function() {

        var _ = this;

        _.$slides =
            _.$slider
                .children( _.options.slide + ':not(.slick-cloned)')
                .addClass('slick-slide');

        _.slideCount = _.$slides.length;

        _.$slides.each(function(index, element) {
            $(element)
                .attr('data-slick-index', index)
                .data('originalStyling', $(element).attr('style') || '');
        });

        _.$slider.addClass('slick-slider');

        _.$slideTrack = (_.slideCount === 0) ?
            $('<div class="slick-track"/>').appendTo(_.$slider) :
            _.$slides.wrapAll('<div class="slick-track"/>').parent();

        _.$list = _.$slideTrack.wrap(
            '<div aria-live="polite" class="slick-list"/>').parent();
        _.$slideTrack.css('opacity', 0);

        if (_.options.centerMode === true || _.options.swipeToSlide === true) {
            _.options.slidesToScroll = 1;
        }

        $('img[data-lazy]', _.$slider).not('[src]').addClass('slick-loading');

        _.setupInfinite();

        _.buildArrows();

        _.buildDots();

        _.updateDots();


        _.setSlideClasses(typeof _.currentSlide === 'number' ? _.currentSlide : 0);

        if (_.options.draggable === true) {
            _.$list.addClass('draggable');
        }

    };

    Slick.prototype.buildRows = function() {

        var _ = this, a, b, c, newSlides, numOfSlides, originalSlides,slidesPerSection;

        newSlides = document.createDocumentFragment();
        originalSlides = _.$slider.children();

        if(_.options.rows > 1) {

            slidesPerSection = _.options.slidesPerRow * _.options.rows;
            numOfSlides = Math.ceil(
                originalSlides.length / slidesPerSection
            );

            for(a = 0; a < numOfSlides; a++){
                var slide = document.createElement('div');
                for(b = 0; b < _.options.rows; b++) {
                    var row = document.createElement('div');
                    for(c = 0; c < _.options.slidesPerRow; c++) {
                        var target = (a * slidesPerSection + ((b * _.options.slidesPerRow) + c));
                        if (originalSlides.get(target)) {
                            row.appendChild(originalSlides.get(target));
                        }
                    }
                    slide.appendChild(row);
                }
                newSlides.appendChild(slide);
            }

            _.$slider.empty().append(newSlides);
            _.$slider.children().children().children()
                .css({
                    'width':(100 / _.options.slidesPerRow) + '%',
                    'display': 'inline-block'
                });

        }

    };

    Slick.prototype.checkResponsive = function(initial, forceUpdate) {

        var _ = this,
            breakpoint, targetBreakpoint, respondToWidth, triggerBreakpoint = false;
        var sliderWidth = _.$slider.width();
        var windowWidth = window.innerWidth || $(window).width();

        if (_.respondTo === 'window') {
            respondToWidth = windowWidth;
        } else if (_.respondTo === 'slider') {
            respondToWidth = sliderWidth;
        } else if (_.respondTo === 'min') {
            respondToWidth = Math.min(windowWidth, sliderWidth);
        }

        if ( _.options.responsive &&
            _.options.responsive.length &&
            _.options.responsive !== null) {

            targetBreakpoint = null;

            for (breakpoint in _.breakpoints) {
                if (_.breakpoints.hasOwnProperty(breakpoint)) {
                    if (_.originalSettings.mobileFirst === false) {
                        if (respondToWidth < _.breakpoints[breakpoint]) {
                            targetBreakpoint = _.breakpoints[breakpoint];
                        }
                    } else {
                        if (respondToWidth > _.breakpoints[breakpoint]) {
                            targetBreakpoint = _.breakpoints[breakpoint];
                        }
                    }
                }
            }

            if (targetBreakpoint !== null) {
                if (_.activeBreakpoint !== null) {
                    if (targetBreakpoint !== _.activeBreakpoint || forceUpdate) {
                        _.activeBreakpoint =
                            targetBreakpoint;
                        if (_.breakpointSettings[targetBreakpoint] === 'unslick') {
                            _.unslick(targetBreakpoint);
                        } else {
                            _.options = $.extend({}, _.originalSettings,
                                _.breakpointSettings[
                                    targetBreakpoint]);
                            if (initial === true) {
                                _.currentSlide = _.options.initialSlide;
                            }
                            _.refresh(initial);
                        }
                        triggerBreakpoint = targetBreakpoint;
                    }
                } else {
                    _.activeBreakpoint = targetBreakpoint;
                    if (_.breakpointSettings[targetBreakpoint] === 'unslick') {
                        _.unslick(targetBreakpoint);
                    } else {
                        _.options = $.extend({}, _.originalSettings,
                            _.breakpointSettings[
                                targetBreakpoint]);
                        if (initial === true) {
                            _.currentSlide = _.options.initialSlide;
                        }
                        _.refresh(initial);
                    }
                    triggerBreakpoint = targetBreakpoint;
                }
            } else {
                if (_.activeBreakpoint !== null) {
                    _.activeBreakpoint = null;
                    _.options = _.originalSettings;
                    if (initial === true) {
                        _.currentSlide = _.options.initialSlide;
                    }
                    _.refresh(initial);
                    triggerBreakpoint = targetBreakpoint;
                }
            }

            // only trigger breakpoints during an actual break. not on initialize.
            if( !initial && triggerBreakpoint !== false ) {
                _.$slider.trigger('breakpoint', [_, triggerBreakpoint]);
            }
        }

    };

    Slick.prototype.changeSlide = function(event, dontAnimate) {

        var _ = this,
            $target = $(event.currentTarget),
            indexOffset, slideOffset, unevenOffset;

        // If target is a link, prevent default action.
        if($target.is('a')) {
            event.preventDefault();
        }

        // If target is not the <li> element (ie: a child), find the <li>.
        if(!$target.is('li')) {
            $target = $target.closest('li');
        }

        unevenOffset = (_.slideCount % _.options.slidesToScroll !== 0);
        indexOffset = unevenOffset ? 0 : (_.slideCount - _.currentSlide) % _.options.slidesToScroll;

        switch (event.data.message) {

            case 'previous':
                slideOffset = indexOffset === 0 ? _.options.slidesToScroll : _.options.slidesToShow - indexOffset;
                if (_.slideCount > _.options.slidesToShow) {
                    _.slideHandler(_.currentSlide - slideOffset, false, dontAnimate);
                }
                break;

            case 'next':
                slideOffset = indexOffset === 0 ? _.options.slidesToScroll : indexOffset;
                if (_.slideCount > _.options.slidesToShow) {
                    _.slideHandler(_.currentSlide + slideOffset, false, dontAnimate);
                }
                break;

            case 'index':
                var index = event.data.index === 0 ? 0 :
                    event.data.index || $target.index() * _.options.slidesToScroll;

                _.slideHandler(_.checkNavigable(index), false, dontAnimate);
                $target.children().trigger('focus');
                break;

            default:
                return;
        }

    };

    Slick.prototype.checkNavigable = function(index) {

        var _ = this,
            navigables, prevNavigable;

        navigables = _.getNavigableIndexes();
        prevNavigable = 0;
        if (index > navigables[navigables.length - 1]) {
            index = navigables[navigables.length - 1];
        } else {
            for (var n in navigables) {
                if (index < navigables[n]) {
                    index = prevNavigable;
                    break;
                }
                prevNavigable = navigables[n];
            }
        }

        return index;
    };

    Slick.prototype.cleanUpEvents = function() {

        var _ = this;

        if (_.options.dots && _.$dots !== null) {

            $('li', _.$dots)
                .off('click.slick', _.changeSlide)
                .off('mouseenter.slick', $.proxy(_.interrupt, _, true))
                .off('mouseleave.slick', $.proxy(_.interrupt, _, false));

        }

        _.$slider.off('focus.slick blur.slick');

        if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) {
            _.$prevArrow && _.$prevArrow.off('click.slick', _.changeSlide);
            _.$nextArrow && _.$nextArrow.off('click.slick', _.changeSlide);
        }

        _.$list.off('touchstart.slick mousedown.slick', _.swipeHandler);
        _.$list.off('touchmove.slick mousemove.slick', _.swipeHandler);
        _.$list.off('touchend.slick mouseup.slick', _.swipeHandler);
        _.$list.off('touchcancel.slick mouseleave.slick', _.swipeHandler);

        _.$list.off('click.slick', _.clickHandler);

        $(document).off(_.visibilityChange, _.visibility);

        _.cleanUpSlideEvents();

        if (_.options.accessibility === true) {
            _.$list.off('keydown.slick', _.keyHandler);
        }

        if (_.options.focusOnSelect === true) {
            $(_.$slideTrack).children().off('click.slick', _.selectHandler);
        }

        $(window).off('orientationchange.slick.slick-' + _.instanceUid, _.orientationChange);

        $(window).off('resize.slick.slick-' + _.instanceUid, _.resize);

        $('[draggable!=true]', _.$slideTrack).off('dragstart', _.preventDefault);

        $(window).off('load.slick.slick-' + _.instanceUid, _.setPosition);
        $(document).off('ready.slick.slick-' + _.instanceUid, _.setPosition);

    };

    Slick.prototype.cleanUpSlideEvents = function() {

        var _ = this;

        _.$list.off('mouseenter.slick', $.proxy(_.interrupt, _, true));
        _.$list.off('mouseleave.slick', $.proxy(_.interrupt, _, false));

    };

    Slick.prototype.cleanUpRows = function() {

        var _ = this, originalSlides;

        if(_.options.rows > 1) {
            originalSlides = _.$slides.children().children();
            originalSlides.removeAttr('style');
            _.$slider.empty().append(originalSlides);
        }

    };

    Slick.prototype.clickHandler = function(event) {

        var _ = this;

        if (_.shouldClick === false) {
            event.stopImmediatePropagation();
            event.stopPropagation();
            event.preventDefault();
        }

    };

    Slick.prototype.destroy = function(refresh) {

        var _ = this;

        _.autoPlayClear();

        _.touchObject = {};

        _.cleanUpEvents();

        $('.slick-cloned', _.$slider).detach();

        if (_.$dots) {
            _.$dots.remove();
        }


        if ( _.$prevArrow && _.$prevArrow.length ) {

            _.$prevArrow
                .removeClass('slick-disabled slick-arrow slick-hidden')
                .removeAttr('aria-hidden aria-disabled tabindex')
                .css('display','');

            if ( _.htmlExpr.test( _.options.prevArrow )) {
                _.$prevArrow.remove();
            }
        }

        if ( _.$nextArrow && _.$nextArrow.length ) {

            _.$nextArrow
                .removeClass('slick-disabled slick-arrow slick-hidden')
                .removeAttr('aria-hidden aria-disabled tabindex')
                .css('display','');

            if ( _.htmlExpr.test( _.options.nextArrow )) {
                _.$nextArrow.remove();
            }

        }


        if (_.$slides) {

            _.$slides
                .removeClass('slick-slide slick-active slick-center slick-visible slick-current')
                .removeAttr('aria-hidden')
                .removeAttr('data-slick-index')
                .each(function(){
                    $(this).attr('style', $(this).data('originalStyling'));
                });

            _.$slideTrack.children(this.options.slide).detach();

            _.$slideTrack.detach();

            _.$list.detach();

            _.$slider.append(_.$slides);
        }

        _.cleanUpRows();

        _.$slider.removeClass('slick-slider');
        _.$slider.removeClass('slick-initialized');
        _.$slider.removeClass('slick-dotted');

        _.unslicked = true;

        if(!refresh) {
            _.$slider.trigger('destroy', [_]);
        }

    };

    Slick.prototype.disableTransition = function(slide) {

        var _ = this,
            transition = {};

        transition[_.transitionType] = '';

        if (_.options.fade === false) {
            _.$slideTrack.css(transition);
        } else {
            _.$slides.eq(slide).css(transition);
        }

    };

    Slick.prototype.fadeSlide = function(slideIndex, callback) {

        var _ = this;

        if (_.cssTransitions === false) {

            _.$slides.eq(slideIndex).css({
                zIndex: _.options.zIndex
            });

            _.$slides.eq(slideIndex).animate({
                opacity: 1
            }, _.options.speed, _.options.easing, callback);

        } else {

            _.applyTransition(slideIndex);

            _.$slides.eq(slideIndex).css({
                opacity: 1,
                zIndex: _.options.zIndex
            });

            if (callback) {
                setTimeout(function() {

                    _.disableTransition(slideIndex);

                    callback.call();
                }, _.options.speed);
            }

        }

    };

    Slick.prototype.fadeSlideOut = function(slideIndex) {

        var _ = this;

        if (_.cssTransitions === false) {

            _.$slides.eq(slideIndex).animate({
                opacity: 0,
                zIndex: _.options.zIndex - 2
            }, _.options.speed, _.options.easing);

        } else {

            _.applyTransition(slideIndex);

            _.$slides.eq(slideIndex).css({
                opacity: 0,
                zIndex: _.options.zIndex - 2
            });

        }

    };

    Slick.prototype.filterSlides = Slick.prototype.slickFilter = function(filter) {

        var _ = this;

        if (filter !== null) {

            _.$slidesCache = _.$slides;

            _.unload();

            _.$slideTrack.children(this.options.slide).detach();

            _.$slidesCache.filter(filter).appendTo(_.$slideTrack);

            _.reinit();

        }

    };

    Slick.prototype.focusHandler = function() {

        var _ = this;

        _.$slider
            .off('focus.slick blur.slick')
            .on('focus.slick blur.slick',
                '*:not(.slick-arrow)', function(event) {

            event.stopImmediatePropagation();
            var $sf = $(this);

            setTimeout(function() {

                if( _.options.pauseOnFocus ) {
                    _.focussed = $sf.is(':focus');
                    _.autoPlay();
                }

            }, 0);

        });
    };

    Slick.prototype.getCurrent = Slick.prototype.slickCurrentSlide = function() {

        var _ = this;
        return _.currentSlide;

    };

    Slick.prototype.getDotCount = function() {

        var _ = this;

        var breakPoint = 0;
        var counter = 0;
        var pagerQty = 0;

        if (_.options.infinite === true) {
            while (breakPoint < _.slideCount) {
                ++pagerQty;
                breakPoint = counter + _.options.slidesToScroll;
                counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow;
            }
        } else if (_.options.centerMode === true) {
            pagerQty = _.slideCount;
        } else if(!_.options.asNavFor) {
            pagerQty = 1 + Math.ceil((_.slideCount - _.options.slidesToShow) / _.options.slidesToScroll);
        }else {
            while (breakPoint < _.slideCount) {
                ++pagerQty;
                breakPoint = counter + _.options.slidesToScroll;
                counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow;
            }
        }

        return pagerQty - 1;

    };

    Slick.prototype.getLeft = function(slideIndex) {

        var _ = this,
            targetLeft,
            verticalHeight,
            verticalOffset = 0,
            targetSlide;

        _.slideOffset = 0;
        verticalHeight = _.$slides.first().outerHeight(true);

        if (_.options.infinite === true) {
            if (_.slideCount > _.options.slidesToShow) {
                _.slideOffset = (_.slideWidth * _.options.slidesToShow) * -1;
                verticalOffset = (verticalHeight * _.options.slidesToShow) * -1;
            }
            if (_.slideCount % _.options.slidesToScroll !== 0) {
                if (slideIndex + _.options.slidesToScroll > _.slideCount && _.slideCount > _.options.slidesToShow) {
                    if (slideIndex > _.slideCount) {
                        _.slideOffset = ((_.options.slidesToShow - (slideIndex - _.slideCount)) * _.slideWidth) * -1;
                        verticalOffset = ((_.options.slidesToShow - (slideIndex - _.slideCount)) * verticalHeight) * -1;
                    } else {
                        _.slideOffset = ((_.slideCount % _.options.slidesToScroll) * _.slideWidth) * -1;
                        verticalOffset = ((_.slideCount % _.options.slidesToScroll) * verticalHeight) * -1;
                    }
                }
            }
        } else {
            if (slideIndex + _.options.slidesToShow > _.slideCount) {
                _.slideOffset = ((slideIndex + _.options.slidesToShow) - _.slideCount) * _.slideWidth;
                verticalOffset = ((slideIndex + _.options.slidesToShow) - _.slideCount) * verticalHeight;
            }
        }

        if (_.slideCount <= _.options.slidesToShow) {
            _.slideOffset = 0;
            verticalOffset = 0;
        }

        if (_.options.centerMode === true && _.options.infinite === true) {
            _.slideOffset += _.slideWidth * Math.floor(_.options.slidesToShow / 2) - _.slideWidth;
        } else if (_.options.centerMode === true) {
            _.slideOffset = 0;
            _.slideOffset += _.slideWidth * Math.floor(_.options.slidesToShow / 2);
        }

        if (_.options.vertical === false) {
            targetLeft = ((slideIndex * _.slideWidth) * -1) + _.slideOffset;
        } else {
            targetLeft = ((slideIndex * verticalHeight) * -1) + verticalOffset;
        }

        if (_.options.variableWidth === true) {

            if (_.slideCount <= _.options.slidesToShow || _.options.infinite === false) {
                targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex);
            } else {
                targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex + _.options.slidesToShow);
            }

            if (_.options.rtl === true) {
                if (targetSlide[0]) {
                    targetLeft = (_.$slideTrack.width() - targetSlide[0].offsetLeft - targetSlide.width()) * -1;
                } else {
                    targetLeft =  0;
                }
            } else {
                targetLeft = targetSlide[0] ? targetSlide[0].offsetLeft * -1 : 0;
            }

            if (_.options.centerMode === true) {
                if (_.slideCount <= _.options.slidesToShow || _.options.infinite === false) {
                    targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex);
                } else {
                    targetSlide = _.$slideTrack.children('.slick-slide').eq(slideIndex + _.options.slidesToShow + 1);
                }

                if (_.options.rtl === true) {
                    if (targetSlide[0]) {
                        targetLeft = (_.$slideTrack.width() - targetSlide[0].offsetLeft - targetSlide.width()) * -1;
                    } else {
                        targetLeft =  0;
                    }
                } else {
                    targetLeft = targetSlide[0] ? targetSlide[0].offsetLeft * -1 : 0;
                }

                targetLeft += (_.$list.width() - targetSlide.outerWidth()) / 2;
            }
        }

        return targetLeft;

    };

    Slick.prototype.getOption = Slick.prototype.slickGetOption = function(option) {

        var _ = this;

        return _.options[option];

    };

    Slick.prototype.getNavigableIndexes = function() {

        var _ = this,
            breakPoint = 0,
            counter = 0,
            indexes = [],
            max;

        if (_.options.infinite === false) {
            max = _.slideCount;
        } else {
            breakPoint = _.options.slidesToScroll * -1;
            counter = _.options.slidesToScroll * -1;
            max = _.slideCount * 2;
        }

        while (breakPoint < max) {
            indexes.push(breakPoint);
            breakPoint = counter + _.options.slidesToScroll;
            counter += _.options.slidesToScroll <= _.options.slidesToShow ? _.options.slidesToScroll : _.options.slidesToShow;
        }

        return indexes;

    };

    Slick.prototype.getSlick = function() {

        return this;

    };

    Slick.prototype.getSlideCount = function() {

        var _ = this,
            slidesTraversed, swipedSlide, centerOffset;

        centerOffset = _.options.centerMode === true ? _.slideWidth * Math.floor(_.options.slidesToShow / 2) : 0;

        if (_.options.swipeToSlide === true) {
            _.$slideTrack.find('.slick-slide').each(function(index, slide) {
                if (slide.offsetLeft - centerOffset + ($(slide).outerWidth() / 2) > (_.swipeLeft * -1)) {
                    swipedSlide = slide;
                    return false;
                }
            });

            slidesTraversed = Math.abs($(swipedSlide).attr('data-slick-index') - _.currentSlide) || 1;

            return slidesTraversed;

        } else {
            return _.options.slidesToScroll;
        }

    };

    Slick.prototype.goTo = Slick.prototype.slickGoTo = function(slide, dontAnimate) {

        var _ = this;

        _.changeSlide({
            data: {
                message: 'index',
                index: parseInt(slide)
            }
        }, dontAnimate);

    };

    Slick.prototype.init = function(creation) {

        var _ = this;

        if (!$(_.$slider).hasClass('slick-initialized')) {

            $(_.$slider).addClass('slick-initialized');

            _.buildRows();
            _.buildOut();
            _.setProps();
            _.startLoad();
            _.loadSlider();
            _.initializeEvents();
            _.updateArrows();
            _.updateDots();
            _.checkResponsive(true);
            _.focusHandler();

        }

        if (creation) {
            _.$slider.trigger('init', [_]);
        }

        if (_.options.accessibility === true) {
            _.initADA();
        }

        if ( _.options.autoplay ) {

            _.paused = false;
            _.autoPlay();

        }

    };

    Slick.prototype.initADA = function() {
        var _ = this;
        _.$slides.add(_.$slideTrack.find('.slick-cloned')).attr({
            'aria-hidden': 'true',
            'tabindex': '-1'
        }).find('a, input, button, select').attr({
            'tabindex': '-1'
        });

        _.$slideTrack.attr('role', 'listbox');

        _.$slides.not(_.$slideTrack.find('.slick-cloned')).each(function(i) {
            $(this).attr({
                'role': 'option',
                'aria-describedby': 'slick-slide' + _.instanceUid + i + ''
            });
        });

        if (_.$dots !== null) {
            _.$dots.attr('role', 'tablist').find('li').each(function(i) {
                $(this).attr({
                    'role': 'presentation',
                    'aria-selected': 'false',
                    'aria-controls': 'navigation' + _.instanceUid + i + '',
                    'id': 'slick-slide' + _.instanceUid + i + ''
                });
            })
                .first().attr('aria-selected', 'true').end()
                .find('button').attr('role', 'button').end()
                .closest('div').attr('role', 'toolbar');
        }
        _.activateADA();

    };

    Slick.prototype.initArrowEvents = function() {

        var _ = this;

        if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) {
            _.$prevArrow
               .off('click.slick')
               .on('click.slick', {
                    message: 'previous'
               }, _.changeSlide);
            _.$nextArrow
               .off('click.slick')
               .on('click.slick', {
                    message: 'next'
               }, _.changeSlide);
        }

    };

    Slick.prototype.initDotEvents = function() {

        var _ = this;

        if (_.options.dots === true && _.slideCount > _.options.slidesToShow) {
            $('li', _.$dots).on('click.slick', {
                message: 'index'
            }, _.changeSlide);
        }

        if ( _.options.dots === true && _.options.pauseOnDotsHover === true ) {

            $('li', _.$dots)
                .on('mouseenter.slick', $.proxy(_.interrupt, _, true))
                .on('mouseleave.slick', $.proxy(_.interrupt, _, false));

        }

    };

    Slick.prototype.initSlideEvents = function() {

        var _ = this;

        if ( _.options.pauseOnHover ) {

            _.$list.on('mouseenter.slick', $.proxy(_.interrupt, _, true));
            _.$list.on('mouseleave.slick', $.proxy(_.interrupt, _, false));

        }

    };

    Slick.prototype.initializeEvents = function() {

        var _ = this;

        _.initArrowEvents();

        _.initDotEvents();
        _.initSlideEvents();

        _.$list.on('touchstart.slick mousedown.slick', {
            action: 'start'
        }, _.swipeHandler);
        _.$list.on('touchmove.slick mousemove.slick', {
            action: 'move'
        }, _.swipeHandler);
        _.$list.on('touchend.slick mouseup.slick', {
            action: 'end'
        }, _.swipeHandler);
        _.$list.on('touchcancel.slick mouseleave.slick', {
            action: 'end'
        }, _.swipeHandler);

        _.$list.on('click.slick', _.clickHandler);

        $(document).on(_.visibilityChange, $.proxy(_.visibility, _));

        if (_.options.accessibility === true) {
            _.$list.on('keydown.slick', _.keyHandler);
        }

        if (_.options.focusOnSelect === true) {
            $(_.$slideTrack).children().on('click.slick', _.selectHandler);
        }

        $(window).on('orientationchange.slick.slick-' + _.instanceUid, $.proxy(_.orientationChange, _));

        $(window).on('resize.slick.slick-' + _.instanceUid, $.proxy(_.resize, _));

        $('[draggable!=true]', _.$slideTrack).on('dragstart', _.preventDefault);

        $(window).on('load.slick.slick-' + _.instanceUid, _.setPosition);
        $(document).on('ready.slick.slick-' + _.instanceUid, _.setPosition);

    };

    Slick.prototype.initUI = function() {

        var _ = this;

        if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) {

            _.$prevArrow.show();
            _.$nextArrow.show();

        }

        if (_.options.dots === true && _.slideCount > _.options.slidesToShow) {

            _.$dots.show();

        }

    };

    Slick.prototype.keyHandler = function(event) {

        var _ = this;
         //Dont slide if the cursor is inside the form fields and arrow keys are pressed
        if(!event.target.tagName.match('TEXTAREA|INPUT|SELECT')) {
            if (event.keyCode === 37 && _.options.accessibility === true) {
                _.changeSlide({
                    data: {
                        message: _.options.rtl === true ? 'next' :  'previous'
                    }
                });
            } else if (event.keyCode === 39 && _.options.accessibility === true) {
                _.changeSlide({
                    data: {
                        message: _.options.rtl === true ? 'previous' : 'next'
                    }
                });
            }
        }

    };

    Slick.prototype.lazyLoad = function() {

        var _ = this,
            loadRange, cloneRange, rangeStart, rangeEnd;

        function loadImages(imagesScope) {

            $('img[data-lazy]', imagesScope).each(function() {

                var image = $(this),
                    imageSource = $(this).attr('data-lazy'),
                    imageToLoad = document.createElement('img');

                imageToLoad.onload = function() {

                    image
                        .animate({ opacity: 0 }, 100, function() {
                            image
                                .attr('src', imageSource)
                                .animate({ opacity: 1 }, 200, function() {
                                    image
                                        .removeAttr('data-lazy')
                                        .removeClass('slick-loading');
                                });
                            _.$slider.trigger('lazyLoaded', [_, image, imageSource]);
                        });

                };

                imageToLoad.onerror = function() {

                    image
                        .removeAttr( 'data-lazy' )
                        .removeClass( 'slick-loading' )
                        .addClass( 'slick-lazyload-error' );

                    _.$slider.trigger('lazyLoadError', [ _, image, imageSource ]);

                };

                imageToLoad.src = imageSource;

            });

        }

        if (_.options.centerMode === true) {
            if (_.options.infinite === true) {
                rangeStart = _.currentSlide + (_.options.slidesToShow / 2 + 1);
                rangeEnd = rangeStart + _.options.slidesToShow + 2;
            } else {
                rangeStart = Math.max(0, _.currentSlide - (_.options.slidesToShow / 2 + 1));
                rangeEnd = 2 + (_.options.slidesToShow / 2 + 1) + _.currentSlide;
            }
        } else {
            rangeStart = _.options.infinite ? _.options.slidesToShow + _.currentSlide : _.currentSlide;
            rangeEnd = Math.ceil(rangeStart + _.options.slidesToShow);
            if (_.options.fade === true) {
                if (rangeStart > 0) rangeStart--;
                if (rangeEnd <= _.slideCount) rangeEnd++;
            }
        }

        loadRange = _.$slider.find('.slick-slide').slice(rangeStart, rangeEnd);
        loadImages(loadRange);

        if (_.slideCount <= _.options.slidesToShow) {
            cloneRange = _.$slider.find('.slick-slide');
            loadImages(cloneRange);
        } else
        if (_.currentSlide >= _.slideCount - _.options.slidesToShow) {
            cloneRange = _.$slider.find('.slick-cloned').slice(0, _.options.slidesToShow);
            loadImages(cloneRange);
        } else if (_.currentSlide === 0) {
            cloneRange = _.$slider.find('.slick-cloned').slice(_.options.slidesToShow * -1);
            loadImages(cloneRange);
        }

    };

    Slick.prototype.loadSlider = function() {

        var _ = this;

        _.setPosition();

        _.$slideTrack.css({
            opacity: 1
        });

        _.$slider.removeClass('slick-loading');

        _.initUI();

        if (_.options.lazyLoad === 'progressive') {
            _.progressiveLazyLoad();
        }

    };

    Slick.prototype.next = Slick.prototype.slickNext = function() {

        var _ = this;

        _.changeSlide({
            data: {
                message: 'next'
            }
        });

    };

    Slick.prototype.orientationChange = function() {

        var _ = this;

        _.checkResponsive();
        _.setPosition();

    };

    Slick.prototype.pause = Slick.prototype.slickPause = function() {

        var _ = this;

        _.autoPlayClear();
        _.paused = true;

    };

    Slick.prototype.play = Slick.prototype.slickPlay = function() {

        var _ = this;

        _.autoPlay();
        _.options.autoplay = true;
        _.paused = false;
        _.focussed = false;
        _.interrupted = false;

    };

    Slick.prototype.postSlide = function(index) {

        var _ = this;

        if( !_.unslicked ) {

            _.$slider.trigger('afterChange', [_, index]);

            _.animating = false;

            _.setPosition();

            _.swipeLeft = null;

            if ( _.options.autoplay ) {
                _.autoPlay();
            }

            if (_.options.accessibility === true) {
                _.initADA();
            }

        }

    };

    Slick.prototype.prev = Slick.prototype.slickPrev = function() {

        var _ = this;

        _.changeSlide({
            data: {
                message: 'previous'
            }
        });

    };

    Slick.prototype.preventDefault = function(event) {

        event.preventDefault();

    };

    Slick.prototype.progressiveLazyLoad = function( tryCount ) {

        tryCount = tryCount || 1;

        var _ = this,
            $imgsToLoad = $( 'img[data-lazy]', _.$slider ),
            image,
            imageSource,
            imageToLoad;

        if ( $imgsToLoad.length ) {

            image = $imgsToLoad.first();
            imageSource = image.attr('data-lazy');
            imageToLoad = document.createElement('img');

            imageToLoad.onload = function() {

                image
                    .attr( 'src', imageSource )
                    .removeAttr('data-lazy')
                    .removeClass('slick-loading');

                if ( _.options.adaptiveHeight === true ) {
                    _.setPosition();
                }

                _.$slider.trigger('lazyLoaded', [ _, image, imageSource ]);
                _.progressiveLazyLoad();

            };

            imageToLoad.onerror = function() {

                if ( tryCount < 3 ) {

                    /**
                     * try to load the image 3 times,
                     * leave a slight delay so we don't get
                     * servers blocking the request.
                     */
                    setTimeout( function() {
                        _.progressiveLazyLoad( tryCount + 1 );
                    }, 500 );

                } else {

                    image
                        .removeAttr( 'data-lazy' )
                        .removeClass( 'slick-loading' )
                        .addClass( 'slick-lazyload-error' );

                    _.$slider.trigger('lazyLoadError', [ _, image, imageSource ]);

                    _.progressiveLazyLoad();

                }

            };

            imageToLoad.src = imageSource;

        } else {

            _.$slider.trigger('allImagesLoaded', [ _ ]);

        }

    };

    Slick.prototype.refresh = function( initializing ) {

        var _ = this, currentSlide, lastVisibleIndex;

        lastVisibleIndex = _.slideCount - _.options.slidesToShow;

        // in non-infinite sliders, we don't want to go past the
        // last visible index.
        if( !_.options.infinite && ( _.currentSlide > lastVisibleIndex )) {
            _.currentSlide = lastVisibleIndex;
        }

        // if less slides than to show, go to start.
        if ( _.slideCount <= _.options.slidesToShow ) {
            _.currentSlide = 0;

        }

        currentSlide = _.currentSlide;

        _.destroy(true);

        $.extend(_, _.initials, { currentSlide: currentSlide });

        _.init();

        if( !initializing ) {

            _.changeSlide({
                data: {
                    message: 'index',
                    index: currentSlide
                }
            }, false);

        }

    };

    Slick.prototype.registerBreakpoints = function() {

        var _ = this, breakpoint, currentBreakpoint, l,
            responsiveSettings = _.options.responsive || null;

        if ( $.type(responsiveSettings) === 'array' && responsiveSettings.length ) {

            _.respondTo = _.options.respondTo || 'window';

            for ( breakpoint in responsiveSettings ) {

                l = _.breakpoints.length-1;
                currentBreakpoint = responsiveSettings[breakpoint].breakpoint;

                if (responsiveSettings.hasOwnProperty(breakpoint)) {

                    // loop through the breakpoints and cut out any existing
                    // ones with the same breakpoint number, we don't want dupes.
                    while( l >= 0 ) {
                        if( _.breakpoints[l] && _.breakpoints[l] === currentBreakpoint ) {
                            _.breakpoints.splice(l,1);
                        }
                        l--;
                    }

                    _.breakpoints.push(currentBreakpoint);
                    _.breakpointSettings[currentBreakpoint] = responsiveSettings[breakpoint].settings;

                }

            }

            _.breakpoints.sort(function(a, b) {
                return ( _.options.mobileFirst ) ? a-b : b-a;
            });

        }

    };

    Slick.prototype.reinit = function() {

        var _ = this;

        _.$slides =
            _.$slideTrack
                .children(_.options.slide)
                .addClass('slick-slide');

        _.slideCount = _.$slides.length;

        if (_.currentSlide >= _.slideCount && _.currentSlide !== 0) {
            _.currentSlide = _.currentSlide - _.options.slidesToScroll;
        }

        if (_.slideCount <= _.options.slidesToShow) {
            _.currentSlide = 0;
        }

        _.registerBreakpoints();

        _.setProps();
        _.setupInfinite();
        _.buildArrows();
        _.updateArrows();
        _.initArrowEvents();
        _.buildDots();
        _.updateDots();
        _.initDotEvents();
        _.cleanUpSlideEvents();
        _.initSlideEvents();

        _.checkResponsive(false, true);

        if (_.options.focusOnSelect === true) {
            $(_.$slideTrack).children().on('click.slick', _.selectHandler);
        }

        _.setSlideClasses(typeof _.currentSlide === 'number' ? _.currentSlide : 0);

        _.setPosition();
        _.focusHandler();

        _.paused = !_.options.autoplay;
        _.autoPlay();

        _.$slider.trigger('reInit', [_]);

    };

    Slick.prototype.resize = function() {

        var _ = this;

        if ($(window).width() !== _.windowWidth) {
            clearTimeout(_.windowDelay);
            _.windowDelay = window.setTimeout(function() {
                _.windowWidth = $(window).width();
                _.checkResponsive();
                if( !_.unslicked ) { _.setPosition(); }
            }, 50);
        }
    };

    Slick.prototype.removeSlide = Slick.prototype.slickRemove = function(index, removeBefore, removeAll) {

        var _ = this;

        if (typeof(index) === 'boolean') {
            removeBefore = index;
            index = removeBefore === true ? 0 : _.slideCount - 1;
        } else {
            index = removeBefore === true ? --index : index;
        }

        if (_.slideCount < 1 || index < 0 || index > _.slideCount - 1) {
            return false;
        }

        _.unload();

        if (removeAll === true) {
            _.$slideTrack.children().remove();
        } else {
            _.$slideTrack.children(this.options.slide).eq(index).remove();
        }

        _.$slides = _.$slideTrack.children(this.options.slide);

        _.$slideTrack.children(this.options.slide).detach();

        _.$slideTrack.append(_.$slides);

        _.$slidesCache = _.$slides;

        _.reinit();

    };

    Slick.prototype.setCSS = function(position) {

        var _ = this,
            positionProps = {},
            x, y;

        if (_.options.rtl === true) {
            position = -position;
        }
        x = _.positionProp == 'left' ? Math.ceil(position) + 'px' : '0px';
        y = _.positionProp == 'top' ? Math.ceil(position) + 'px' : '0px';

        positionProps[_.positionProp] = position;

        if (_.transformsEnabled === false) {
            _.$slideTrack.css(positionProps);
        } else {
            positionProps = {};
            if (_.cssTransitions === false) {
                positionProps[_.animType] = 'translate(' + x + ', ' + y + ')';
                _.$slideTrack.css(positionProps);
            } else {
                positionProps[_.animType] = 'translate3d(' + x + ', ' + y + ', 0px)';
                _.$slideTrack.css(positionProps);
            }
        }

    };

    Slick.prototype.setDimensions = function() {

        var _ = this;

        if (_.options.vertical === false) {
            if (_.options.centerMode === true) {
                _.$list.css({
                    padding: ('0px ' + _.options.centerPadding)
                });
            }
        } else {
            _.$list.height(_.$slides.first().outerHeight(true) * _.options.slidesToShow);
            if (_.options.centerMode === true) {
                _.$list.css({
                    padding: (_.options.centerPadding + ' 0px')
                });
            }
        }

        _.listWidth = _.$list.width();
        _.listHeight = _.$list.height();


        if (_.options.vertical === false && _.options.variableWidth === false) {
            _.slideWidth = Math.ceil(_.listWidth / _.options.slidesToShow);
            _.$slideTrack.width(Math.ceil((_.slideWidth * _.$slideTrack.children('.slick-slide').length)));

        } else if (_.options.variableWidth === true) {
            _.$slideTrack.width(5000 * _.slideCount);
        } else {
            _.slideWidth = Math.ceil(_.listWidth);
            _.$slideTrack.height(Math.ceil((_.$slides.first().outerHeight(true) * _.$slideTrack.children('.slick-slide').length)));
        }

        var offset = _.$slides.first().outerWidth(true) - _.$slides.first().width();
        if (_.options.variableWidth === false) _.$slideTrack.children('.slick-slide').width(_.slideWidth - offset);

    };

    Slick.prototype.setFade = function() {

        var _ = this,
            targetLeft;

        _.$slides.each(function(index, element) {
            targetLeft = (_.slideWidth * index) * -1;
            if (_.options.rtl === true) {
                $(element).css({
                    position: 'relative',
                    right: targetLeft,
                    top: 0,
                    zIndex: _.options.zIndex - 2,
                    opacity: 0
                });
            } else {
                $(element).css({
                    position: 'relative',
                    left: targetLeft,
                    top: 0,
                    zIndex: _.options.zIndex - 2,
                    opacity: 0
                });
            }
        });

        _.$slides.eq(_.currentSlide).css({
            zIndex: _.options.zIndex - 1,
            opacity: 1
        });

    };

    Slick.prototype.setHeight = function() {

        var _ = this;

        if (_.options.slidesToShow === 1 && _.options.adaptiveHeight === true && _.options.vertical === false) {
            var targetHeight = _.$slides.eq(_.currentSlide).outerHeight(true);
            _.$list.css('height', targetHeight);
        }

    };

    Slick.prototype.setOption =
    Slick.prototype.slickSetOption = function() {

        /**
         * accepts arguments in format of:
         *
         *  - for changing a single option's value:
         *     .slick("setOption", option, value, refresh )
         *
         *  - for changing a set of responsive options:
         *     .slick("setOption", 'responsive', [{}, ...], refresh )
         *
         *  - for updating multiple values at once (not responsive)
         *     .slick("setOption", { 'option': value, ... }, refresh )
         */

        var _ = this, l, item, option, value, refresh = false, type;

        if( $.type( arguments[0] ) === 'object' ) {

            option =  arguments[0];
            refresh = arguments[1];
            type = 'multiple';

        } else if ( $.type( arguments[0] ) === 'string' ) {

            option =  arguments[0];
            value = arguments[1];
            refresh = arguments[2];

            if ( arguments[0] === 'responsive' && $.type( arguments[1] ) === 'array' ) {

                type = 'responsive';

            } else if ( typeof arguments[1] !== 'undefined' ) {

                type = 'single';

            }

        }

        if ( type === 'single' ) {

            _.options[option] = value;


        } else if ( type === 'multiple' ) {

            $.each( option , function( opt, val ) {

                _.options[opt] = val;

            });


        } else if ( type === 'responsive' ) {

            for ( item in value ) {

                if( $.type( _.options.responsive ) !== 'array' ) {

                    _.options.responsive = [ value[item] ];

                } else {

                    l = _.options.responsive.length-1;

                    // loop through the responsive object and splice out duplicates.
                    while( l >= 0 ) {

                        if( _.options.responsive[l].breakpoint === value[item].breakpoint ) {

                            _.options.responsive.splice(l,1);

                        }

                        l--;

                    }

                    _.options.responsive.push( value[item] );

                }

            }

        }

        if ( refresh ) {

            _.unload();
            _.reinit();

        }

    };

    Slick.prototype.setPosition = function() {

        var _ = this;

        _.setDimensions();

        _.setHeight();

        if (_.options.fade === false) {
            _.setCSS(_.getLeft(_.currentSlide));
        } else {
            _.setFade();
        }

        _.$slider.trigger('setPosition', [_]);

    };

    Slick.prototype.setProps = function() {

        var _ = this,
            bodyStyle = document.body.style;

        _.positionProp = _.options.vertical === true ? 'top' : 'left';

        if (_.positionProp === 'top') {
            _.$slider.addClass('slick-vertical');
        } else {
            _.$slider.removeClass('slick-vertical');
        }

        if (bodyStyle.WebkitTransition !== undefined ||
            bodyStyle.MozTransition !== undefined ||
            bodyStyle.msTransition !== undefined) {
            if (_.options.useCSS === true) {
                _.cssTransitions = true;
            }
        }

        if ( _.options.fade ) {
            if ( typeof _.options.zIndex === 'number' ) {
                if( _.options.zIndex < 3 ) {
                    _.options.zIndex = 3;
                }
            } else {
                _.options.zIndex = _.defaults.zIndex;
            }
        }

        if (bodyStyle.OTransform !== undefined) {
            _.animType = 'OTransform';
            _.transformType = '-o-transform';
            _.transitionType = 'OTransition';
            if (bodyStyle.perspectiveProperty === undefined && bodyStyle.webkitPerspective === undefined) _.animType = false;
        }
        if (bodyStyle.MozTransform !== undefined) {
            _.animType = 'MozTransform';
            _.transformType = '-moz-transform';
            _.transitionType = 'MozTransition';
            if (bodyStyle.perspectiveProperty === undefined && bodyStyle.MozPerspective === undefined) _.animType = false;
        }
        if (bodyStyle.webkitTransform !== undefined) {
            _.animType = 'webkitTransform';
            _.transformType = '-webkit-transform';
            _.transitionType = 'webkitTransition';
            if (bodyStyle.perspectiveProperty === undefined && bodyStyle.webkitPerspective === undefined) _.animType = false;
        }
        if (bodyStyle.msTransform !== undefined) {
            _.animType = 'msTransform';
            _.transformType = '-ms-transform';
            _.transitionType = 'msTransition';
            if (bodyStyle.msTransform === undefined) _.animType = false;
        }
        if (bodyStyle.transform !== undefined && _.animType !== false) {
            _.animType = 'transform';
            _.transformType = 'transform';
            _.transitionType = 'transition';
        }
        _.transformsEnabled = _.options.useTransform && (_.animType !== null && _.animType !== false);
    };


    Slick.prototype.setSlideClasses = function(index) {

        var _ = this,
            centerOffset, allSlides, indexOffset, remainder;

        allSlides = _.$slider
            .find('.slick-slide')
            .removeClass('slick-active slick-center slick-current')
            .attr('aria-hidden', 'true');

        _.$slides
            .eq(index)
            .addClass('slick-current');

        if (_.options.centerMode === true) {

            centerOffset = Math.floor(_.options.slidesToShow / 2);

            if (_.options.infinite === true) {

                if (index >= centerOffset && index <= (_.slideCount - 1) - centerOffset) {

                    _.$slides
                        .slice(index - centerOffset, index + centerOffset + 1)
                        .addClass('slick-active')
                        .attr('aria-hidden', 'false');

                } else {

                    indexOffset = _.options.slidesToShow + index;
                    allSlides
                        .slice(indexOffset - centerOffset + 1, indexOffset + centerOffset + 2)
                        .addClass('slick-active')
                        .attr('aria-hidden', 'false');

                }

                if (index === 0) {

                    allSlides
                        .eq(allSlides.length - 1 - _.options.slidesToShow)
                        .addClass('slick-center');

                } else if (index === _.slideCount - 1) {

                    allSlides
                        .eq(_.options.slidesToShow)
                        .addClass('slick-center');

                }

            }

            _.$slides
                .eq(index)
                .addClass('slick-center');

        } else {

            if (index >= 0 && index <= (_.slideCount - _.options.slidesToShow)) {

                _.$slides
                    .slice(index, index + _.options.slidesToShow)
                    .addClass('slick-active')
                    .attr('aria-hidden', 'false');

            } else if (allSlides.length <= _.options.slidesToShow) {

                allSlides
                    .addClass('slick-active')
                    .attr('aria-hidden', 'false');

            } else {

                remainder = _.slideCount % _.options.slidesToShow;
                indexOffset = _.options.infinite === true ? _.options.slidesToShow + index : index;

                if (_.options.slidesToShow == _.options.slidesToScroll && (_.slideCount - index) < _.options.slidesToShow) {

                    allSlides
                        .slice(indexOffset - (_.options.slidesToShow - remainder), indexOffset + remainder)
                        .addClass('slick-active')
                        .attr('aria-hidden', 'false');

                } else {

                    allSlides
                        .slice(indexOffset, indexOffset + _.options.slidesToShow)
                        .addClass('slick-active')
                        .attr('aria-hidden', 'false');

                }

            }

        }

        if (_.options.lazyLoad === 'ondemand') {
            _.lazyLoad();
        }

    };

    Slick.prototype.setupInfinite = function() {

        var _ = this,
            i, slideIndex, infiniteCount;

        if (_.options.fade === true) {
            _.options.centerMode = false;
        }

        if (_.options.infinite === true && _.options.fade === false) {

            slideIndex = null;

            if (_.slideCount > _.options.slidesToShow) {

                if (_.options.centerMode === true) {
                    infiniteCount = _.options.slidesToShow + 1;
                } else {
                    infiniteCount = _.options.slidesToShow;
                }

                for (i = _.slideCount; i > (_.slideCount -
                        infiniteCount); i -= 1) {
                    slideIndex = i - 1;
                    $(_.$slides[slideIndex]).clone(true).attr('id', '')
                        .attr('data-slick-index', slideIndex - _.slideCount)
                        .prependTo(_.$slideTrack).addClass('slick-cloned');
                }
                for (i = 0; i < infiniteCount; i += 1) {
                    slideIndex = i;
                    $(_.$slides[slideIndex]).clone(true).attr('id', '')
                        .attr('data-slick-index', slideIndex + _.slideCount)
                        .appendTo(_.$slideTrack).addClass('slick-cloned');
                }
                _.$slideTrack.find('.slick-cloned').find('[id]').each(function() {
                    $(this).attr('id', '');
                });

            }

        }

    };

    Slick.prototype.interrupt = function( toggle ) {

        var _ = this;

        if( !toggle ) {
            _.autoPlay();
        }
        _.interrupted = toggle;

    };

    Slick.prototype.selectHandler = function(event) {

        var _ = this;

        var targetElement =
            $(event.target).is('.slick-slide') ?
                $(event.target) :
                $(event.target).parents('.slick-slide');

        var index = parseInt(targetElement.attr('data-slick-index'));

        if (!index) index = 0;

        if (_.slideCount <= _.options.slidesToShow) {

            _.setSlideClasses(index);
            _.asNavFor(index);
            return;

        }

        _.slideHandler(index);

    };

    Slick.prototype.slideHandler = function(index, sync, dontAnimate) {

        var targetSlide, animSlide, oldSlide, slideLeft, targetLeft = null,
            _ = this, navTarget;

        sync = sync || false;

        if (_.animating === true && _.options.waitForAnimate === true) {
            return;
        }

        if (_.options.fade === true && _.currentSlide === index) {
            return;
        }

        if (_.slideCount <= _.options.slidesToShow) {
            return;
        }

        if (sync === false) {
            _.asNavFor(index);
        }

        targetSlide = index;
        targetLeft = _.getLeft(targetSlide);
        slideLeft = _.getLeft(_.currentSlide);

        _.currentLeft = _.swipeLeft === null ? slideLeft : _.swipeLeft;

        if (_.options.infinite === false && _.options.centerMode === false && (index < 0 || index > _.getDotCount() * _.options.slidesToScroll)) {
            if (_.options.fade === false) {
                targetSlide = _.currentSlide;
                if (dontAnimate !== true) {
                    _.animateSlide(slideLeft, function() {
                        _.postSlide(targetSlide);
                    });
                } else {
                    _.postSlide(targetSlide);
                }
            }
            return;
        } else if (_.options.infinite === false && _.options.centerMode === true && (index < 0 || index > (_.slideCount - _.options.slidesToScroll))) {
            if (_.options.fade === false) {
                targetSlide = _.currentSlide;
                if (dontAnimate !== true) {
                    _.animateSlide(slideLeft, function() {
                        _.postSlide(targetSlide);
                    });
                } else {
                    _.postSlide(targetSlide);
                }
            }
            return;
        }

        if ( _.options.autoplay ) {
            clearInterval(_.autoPlayTimer);
        }

        if (targetSlide < 0) {
            if (_.slideCount % _.options.slidesToScroll !== 0) {
                animSlide = _.slideCount - (_.slideCount % _.options.slidesToScroll);
            } else {
                animSlide = _.slideCount + targetSlide;
            }
        } else if (targetSlide >= _.slideCount) {
            if (_.slideCount % _.options.slidesToScroll !== 0) {
                animSlide = 0;
            } else {
                animSlide = targetSlide - _.slideCount;
            }
        } else {
            animSlide = targetSlide;
        }

        _.animating = true;

        _.$slider.trigger('beforeChange', [_, _.currentSlide, animSlide]);

        oldSlide = _.currentSlide;
        _.currentSlide = animSlide;

        _.setSlideClasses(_.currentSlide);

        if ( _.options.asNavFor ) {

            navTarget = _.getNavTarget();
            navTarget = navTarget.slick('getSlick');

            if ( navTarget.slideCount <= navTarget.options.slidesToShow ) {
                navTarget.setSlideClasses(_.currentSlide);
            }

        }

        _.updateDots();
        _.updateArrows();

        if (_.options.fade === true) {
            if (dontAnimate !== true) {

                _.fadeSlideOut(oldSlide);

                _.fadeSlide(animSlide, function() {
                    _.postSlide(animSlide);
                });

            } else {
                _.postSlide(animSlide);
            }
            _.animateHeight();
            return;
        }

        if (dontAnimate !== true) {
            _.animateSlide(targetLeft, function() {
                _.postSlide(animSlide);
            });
        } else {
            _.postSlide(animSlide);
        }

    };

    Slick.prototype.startLoad = function() {

        var _ = this;

        if (_.options.arrows === true && _.slideCount > _.options.slidesToShow) {

            _.$prevArrow.hide();
            _.$nextArrow.hide();

        }

        if (_.options.dots === true && _.slideCount > _.options.slidesToShow) {

            _.$dots.hide();

        }

        _.$slider.addClass('slick-loading');

    };

    Slick.prototype.swipeDirection = function() {

        var xDist, yDist, r, swipeAngle, _ = this;

        xDist = _.touchObject.startX - _.touchObject.curX;
        yDist = _.touchObject.startY - _.touchObject.curY;
        r = Math.atan2(yDist, xDist);

        swipeAngle = Math.round(r * 180 / Math.PI);
        if (swipeAngle < 0) {
            swipeAngle = 360 - Math.abs(swipeAngle);
        }

        if ((swipeAngle <= 45) && (swipeAngle >= 0)) {
            return (_.options.rtl === false ? 'left' : 'right');
        }
        if ((swipeAngle <= 360) && (swipeAngle >= 315)) {
            return (_.options.rtl === false ? 'left' : 'right');
        }
        if ((swipeAngle >= 135) && (swipeAngle <= 225)) {
            return (_.options.rtl === false ? 'right' : 'left');
        }
        if (_.options.verticalSwiping === true) {
            if ((swipeAngle >= 35) && (swipeAngle <= 135)) {
                return 'down';
            } else {
                return 'up';
            }
        }

        return 'vertical';

    };

    Slick.prototype.swipeEnd = function(event) {

        var _ = this,
            slideCount,
            direction;

        _.dragging = false;
        _.interrupted = false;
        _.shouldClick = ( _.touchObject.swipeLength > 10 ) ? false : true;

        if ( _.touchObject.curX === undefined ) {
            return false;
        }

        if ( _.touchObject.edgeHit === true ) {
            _.$slider.trigger('edge', [_, _.swipeDirection() ]);
        }

        if ( _.touchObject.swipeLength >= _.touchObject.minSwipe ) {

            direction = _.swipeDirection();

            switch ( direction ) {

                case 'left':
                case 'down':

                    slideCount =
                        _.options.swipeToSlide ?
                            _.checkNavigable( _.currentSlide + _.getSlideCount() ) :
                            _.currentSlide + _.getSlideCount();

                    _.currentDirection = 0;

                    break;

                case 'right':
                case 'up':

                    slideCount =
                        _.options.swipeToSlide ?
                            _.checkNavigable( _.currentSlide - _.getSlideCount() ) :
                            _.currentSlide - _.getSlideCount();

                    _.currentDirection = 1;

                    break;

                default:


            }

            if( direction != 'vertical' ) {

                _.slideHandler( slideCount );
                _.touchObject = {};
                _.$slider.trigger('swipe', [_, direction ]);

            }

        } else {

            if ( _.touchObject.startX !== _.touchObject.curX ) {

                _.slideHandler( _.currentSlide );
                _.touchObject = {};

            }

        }

    };

    Slick.prototype.swipeHandler = function(event) {

        var _ = this;

        if ((_.options.swipe === false) || ('ontouchend' in document && _.options.swipe === false)) {
            return;
        } else if (_.options.draggable === false && event.type.indexOf('mouse') !== -1) {
            return;
        }

        _.touchObject.fingerCount = event.originalEvent && event.originalEvent.touches !== undefined ?
            event.originalEvent.touches.length : 1;

        _.touchObject.minSwipe = _.listWidth / _.options
            .touchThreshold;

        if (_.options.verticalSwiping === true) {
            _.touchObject.minSwipe = _.listHeight / _.options
                .touchThreshold;
        }

        switch (event.data.action) {

            case 'start':
                _.swipeStart(event);
                break;

            case 'move':
                _.swipeMove(event);
                break;

            case 'end':
                _.swipeEnd(event);
                break;

        }

    };

    Slick.prototype.swipeMove = function(event) {

        var _ = this,
            edgeWasHit = false,
            curLeft, swipeDirection, swipeLength, positionOffset, touches;

        touches = event.originalEvent !== undefined ? event.originalEvent.touches : null;

        if (!_.dragging || touches && touches.length !== 1) {
            return false;
        }

        curLeft = _.getLeft(_.currentSlide);

        _.touchObject.curX = touches !== undefined ? touches[0].pageX : event.clientX;
        _.touchObject.curY = touches !== undefined ? touches[0].pageY : event.clientY;

        _.touchObject.swipeLength = Math.round(Math.sqrt(
            Math.pow(_.touchObject.curX - _.touchObject.startX, 2)));

        if (_.options.verticalSwiping === true) {
            _.touchObject.swipeLength = Math.round(Math.sqrt(
                Math.pow(_.touchObject.curY - _.touchObject.startY, 2)));
        }

        swipeDirection = _.swipeDirection();

        if (swipeDirection === 'vertical') {
            return;
        }

        if (event.originalEvent !== undefined && _.touchObject.swipeLength > 4) {
            event.preventDefault();
        }

        positionOffset = (_.options.rtl === false ? 1 : -1) * (_.touchObject.curX > _.touchObject.startX ? 1 : -1);
        if (_.options.verticalSwiping === true) {
            positionOffset = _.touchObject.curY > _.touchObject.startY ? 1 : -1;
        }


        swipeLength = _.touchObject.swipeLength;

        _.touchObject.edgeHit = false;

        if (_.options.infinite === false) {
            if ((_.currentSlide === 0 && swipeDirection === 'right') || (_.currentSlide >= _.getDotCount() && swipeDirection === 'left')) {
                swipeLength = _.touchObject.swipeLength * _.options.edgeFriction;
                _.touchObject.edgeHit = true;
            }
        }

        if (_.options.vertical === false) {
            _.swipeLeft = curLeft + swipeLength * positionOffset;
        } else {
            _.swipeLeft = curLeft + (swipeLength * (_.$list.height() / _.listWidth)) * positionOffset;
        }
        if (_.options.verticalSwiping === true) {
            _.swipeLeft = curLeft + swipeLength * positionOffset;
        }

        if (_.options.fade === true || _.options.touchMove === false) {
            return false;
        }

        if (_.animating === true) {
            _.swipeLeft = null;
            return false;
        }

        _.setCSS(_.swipeLeft);

    };

    Slick.prototype.swipeStart = function(event) {

        var _ = this,
            touches;

        _.interrupted = true;

        if (_.touchObject.fingerCount !== 1 || _.slideCount <= _.options.slidesToShow) {
            _.touchObject = {};
            return false;
        }

        if (event.originalEvent !== undefined && event.originalEvent.touches !== undefined) {
            touches = event.originalEvent.touches[0];
        }

        _.touchObject.startX = _.touchObject.curX = touches !== undefined ? touches.pageX : event.clientX;
        _.touchObject.startY = _.touchObject.curY = touches !== undefined ? touches.pageY : event.clientY;

        _.dragging = true;

    };

    Slick.prototype.unfilterSlides = Slick.prototype.slickUnfilter = function() {

        var _ = this;

        if (_.$slidesCache !== null) {

            _.unload();

            _.$slideTrack.children(this.options.slide).detach();

            _.$slidesCache.appendTo(_.$slideTrack);

            _.reinit();

        }

    };

    Slick.prototype.unload = function() {

        var _ = this;

        $('.slick-cloned', _.$slider).remove();

        if (_.$dots) {
            _.$dots.remove();
        }

        if (_.$prevArrow && _.htmlExpr.test(_.options.prevArrow)) {
            _.$prevArrow.remove();
        }

        if (_.$nextArrow && _.htmlExpr.test(_.options.nextArrow)) {
            _.$nextArrow.remove();
        }

        _.$slides
            .removeClass('slick-slide slick-active slick-visible slick-current')
            .attr('aria-hidden', 'true')
            .css('width', '');

    };

    Slick.prototype.unslick = function(fromBreakpoint) {

        var _ = this;
        _.$slider.trigger('unslick', [_, fromBreakpoint]);
        _.destroy();

    };

    Slick.prototype.updateArrows = function() {

        var _ = this,
            centerOffset;

        centerOffset = Math.floor(_.options.slidesToShow / 2);

        if ( _.options.arrows === true &&
            _.slideCount > _.options.slidesToShow &&
            !_.options.infinite ) {

            _.$prevArrow.removeClass('slick-disabled').attr('aria-disabled', 'false');
            _.$nextArrow.removeClass('slick-disabled').attr('aria-disabled', 'false');

            if (_.currentSlide === 0) {

                _.$prevArrow.addClass('slick-disabled').attr('aria-disabled', 'true');
                _.$nextArrow.removeClass('slick-disabled').attr('aria-disabled', 'false');

            } else if (_.currentSlide >= _.slideCount - _.options.slidesToShow && _.options.centerMode === false) {

                _.$nextArrow.addClass('slick-disabled').attr('aria-disabled', 'true');
                _.$prevArrow.removeClass('slick-disabled').attr('aria-disabled', 'false');

            } else if (_.currentSlide >= _.slideCount - 1 && _.options.centerMode === true) {

                _.$nextArrow.addClass('slick-disabled').attr('aria-disabled', 'true');
                _.$prevArrow.removeClass('slick-disabled').attr('aria-disabled', 'false');

            }

        }

    };

    Slick.prototype.updateDots = function() {

        var _ = this;

        if (_.$dots !== null) {

            _.$dots
                .find('li')
                .removeClass('slick-active')
                .attr('aria-hidden', 'true');

            _.$dots
                .find('li')
                .eq(Math.floor(_.currentSlide / _.options.slidesToScroll))
                .addClass('slick-active')
                .attr('aria-hidden', 'false');

        }

    };

    Slick.prototype.visibility = function() {

        var _ = this;

        if ( _.options.autoplay ) {

            if ( document[_.hidden] ) {

                _.interrupted = true;

            } else {

                _.interrupted = false;

            }

        }

    };

    $.fn.slick = function() {
        var _ = this,
            opt = arguments[0],
            args = Array.prototype.slice.call(arguments, 1),
            l = _.length,
            i,
            ret;
        for (i = 0; i < l; i++) {
            if (typeof opt == 'object' || typeof opt == 'undefined')
                _[i].slick = new Slick(_[i], opt);
            else
                ret = _[i].slick[opt].apply(_[i].slick, args);
            if (typeof ret != 'undefined') return ret;
        }
        return _;
    };

}));

// https://github.com/ghiculescu/jekyll-table-of-contents
(function ($) {
    $.fn.toc = function (options) {
        var defaults = {
                noBackToTopLinks: false,
                title: "<h2>Table of contents</h2>",
                minimumHeaders: 3,
                headers: "h1, h2, h3, h4, h5, h6",
                listType: "ol", // values: [ol|ul]
                showEffect: "show", // values: [show|slideDown|fadeIn|none]
                showSpeed: "slow" // set to 0 to deactivate effect
            },
            settings = $.extend(defaults, options);

        function fixedEncodeURIComponent(str) {
            return encodeURIComponent(str).replace(/[!"()*]/g, function (c) {
                return "%" + c.charCodeAt(0).toString(16);
            });
        }

        var headers = $(settings.headers).filter(function () {
            // get all headers with an ID
            var previousSiblingName = $(this).prev().attr("name");
            if (!this.id && previousSiblingName) {
                this.id = $(this).attr("id", previousSiblingName.replace(/\./g, "-"));
            }
            return this.id;
        }), output = $(this);
        if (!headers.length || headers.length < settings.minimumHeaders || !output.length) {
            return;
        }

        if (0 === settings.showSpeed) {
            settings.showEffect = "none";
        }

        var render = {
            show: function () {
                output.hide().html(html).show(settings.showSpeed);
            },
            slideDown: function () {
                output.hide().html(html).slideDown(settings.showSpeed);
            },
            fadeIn: function () {
                output.hide().html(html).fadeIn(settings.showSpeed);
            },
            none: function () {
                output.html(html);
            }
        };

        var get_level = function (ele) {
            return parseInt(ele.nodeName.replace("H", ""), 10);
        }
        var highest_level = headers.map(function (_, ele) {
            return get_level(ele);
        }).get().sort()[0];
        var return_to_top = "<i class=\"fa fa-caret-up back-to-top\"> </i>";

        var level = get_level(headers[0]),
            this_level,
            html = "<" + settings.listType + ">";
        headers.on("click", function () {
            if (!settings.noBackToTopLinks) {
                window.location.hash = this.id;
            }
        })
            .addClass("clickable-header")
            .each(function (_, header) {
                this_level = get_level(header);
                if (!settings.noBackToTopLinks && this_level === highest_level) {
                    $(header).addClass("top-level-header").after(return_to_top);
                }
                if (this_level === level) // same level as before; same indenting
                    html += "<li><a href=\"#" + fixedEncodeURIComponent(header.id) + "\">" + header.innerHTML + "</a>";
                else if (this_level <= level) { // higher level than before; end parent ol
                    for (i = this_level; i < level; i++) {
                        html += "</li></" + settings.listType + ">"
                    }
                    html += "<li><a href=\"#" + fixedEncodeURIComponent(header.id) + "\">" + header.innerHTML + "</a>";
                }
                else if (this_level > level) { // lower level than before; expand the previous to contain a ol
                    for (i = this_level; i > level; i--) {
                        html += "<" + settings.listType + "><li>"
                    }
                    html += "<a href=\"#" + fixedEncodeURIComponent(header.id) + "\">" + header.innerHTML + "</a>";
                }
                level = this_level; // update for the next one
            });
        html += "</" + settings.listType + ">";
        if (!settings.noBackToTopLinks) {
            $(document).on("click", ".back-to-top", function () {
                $(window).scrollTop(0);
                window.location.hash = "";
                return false;
            });
        }

        render[settings.showEffect]();
    };
})(jQuery);

String.format = function () {
    var myString = arguments[0];
    for (var i = 1; i < arguments.length; i++) {
        var regX = new RegExp("\\{" + (i - 1) + "\\}", "gm");
        myString = myString.replace(regX, arguments[i]);
    }
    return myString;
};

Date.prototype.addHours = function (hours) {
    return new Date(
        this.getFullYear(),
        this.getMonth(),
        this.getDate(),
        this.getHours() + hours,
        this.getMinutes(),
        this.getSeconds(),
        this.getMilliseconds()
    );
};

window.utils = window.utils || {};
utils.getQueryParam = function (name) {
    "use strict";
    name = name.replace(/[\[]/, "\\[").replace(/[\]]/, "\\]");
    var regex = new RegExp("[\\?&]" + name + "=([^&#]*)"),
        results = regex.exec(location.search);
    return results === null ? "" : decodeURIComponent(results[1].replace(/\+/g, " "));
};

utils.countOccurrences = function (text, searchTerm) {
    text += "";
    searchTerm += "";
    if (searchTerm.length <= 0) return text.length + 1;

    var n = 0, pos = 0;
    var step = searchTerm.length;

    while (true) {
        pos = text.indexOf(searchTerm, pos);
        if (pos >= 0) {
            n++;
            pos += step;
        } else break;
    }
    return (n);
};

window.app = window.app || {};
window.app.analytics = (function () {


    function sendEvent(category, action, label, value) {

        if (!window.ga) {
            return;
        }

        try {
            ga("send", "event", category, action, label, value);
        } catch(ex)  {}
    }


    return {
        sendEvent: sendEvent
    };
})();

window.app = window.app || {};
window.app.storage = (function () {

    var prefix = "ace3_";
    var timeToInvalidateItem = 1; // 1h

    // gets an item from sessionStorage and checks if the time to invalidate the item is over
    function getItem (key) {
        var currentItem = window.sessionStorage.getItem(prefix + key);

        if (!currentItem) {
            return null;
        }

        currentItem = JSON.parse(currentItem);

        // item is valid
        if (new Date(currentItem.date).addHours(timeToInvalidateItem) > new Date()) {
            return currentItem.item;
        }

        return null;
    }

    // saves an item in the sessionStorage and adds a timestamp
    function setItem (key, value) {

        var itemToSave = {
            date: new Date(),
            item: value
        };

        var currentItem = JSON.stringify(itemToSave);

        window.sessionStorage.setItem(prefix + key, currentItem);
    }

    return {
        getItem: getItem,
        setItem: setItem
    };
})();

window.app = window.app || {};
window.app.contentSearch = (function ($) {

    var searchJsonUrl = "/js/search.json";
    var storageKeyName = "searchResult";

    var searchTermParamName = "searchTerm";

    var _searchStartLength = 3;
    var _maxEntriesLive = 10;
    var _maxEntriesContent = 25;
    var _maxDescriptionLengthLive = 80;
    var _maxDescriptionLengthContent = 140;

    var _searchTerm = "";
    var _searchTermCombined = "";
    var _timeOutID;

    var $liveSearch = $("#liveSearch");

    var $liveSearchField = $liveSearch.find(".liveSearch-field");
    var $liveSearchResultList = $liveSearch.find(".liveSearch-result-list");
    var $liveSearchButton = $liveSearch.find(".liveSearch-button");


    var $contentSearchField = $liveSearch.find(".contentSearch-field");
    var $contentSearchResultList = $(".searchPage-result-list");

    function init() {

        updateSearchFieldFromQueryParams();

        $liveSearchField.on("keyup", handleLiveKeyDown);
        $liveSearchField.on("blur", function () {
            setTimeout(hideLiveResultList, 300);
        });
        $liveSearchButton.on("click", openSearchPage);

        $contentSearchField.on("keyup", handleContentKeyDown);

    }


    /*
     ===
     UTIL
     ===
     */

    function findSearchTermInArray(response, maxEntries) {
        var results = [],
            i = 0,
            j = 0,
            length = response.length,
            text = "",
            multiplier = 0;

        for (i; i < length; i++) {

            var found = false;

            if (results.length >= maxEntries) {
                break;
            }

            var currentPage = response[i];
            currentPage.value = 0;

            var occurrences = 0;

            for (j = 0; j < 4; j++) {

                occurrences = 0;

                switch (j) {
                    case 0:
                        text = currentPage.description.toLowerCase();
                        multiplier = 100;
                        break;
                    case 1:
                        text = currentPage.title.toLowerCase();
                        multiplier = 1000;
                        break;
                    case 2:
                        text = currentPage.group.toLowerCase();
                        multiplier = 10;
                        break;
                    case 3:
                        text = currentPage.content.toLowerCase();
                        multiplier = 1;
                }

                if (text.indexOf(_searchTerm) >= 0 || text.indexOf(_searchTermCombined) >= 0) {
                    found = true;
                    occurrences = utils.countOccurrences(text, _searchTerm);

                    if (_searchTermCombined !== _searchTerm) {
                        occurrences += utils.countOccurrences(text, _searchTermCombined);
                    }

                    if (occurrences > 0) {
                        currentPage.value += (occurrences * multiplier);
                    }
                }
            }

            if (found) {
                results.push(currentPage);
            }

        }

        results = results.sort(function(x,y) {
            if (x.value > y.value) {
                return -1;
            } else if(y.value > x.value) {
                return 1;
            } else {
                return 0;
            }
        });

        return results;
    }

    function getSearchResults() {
        return $.getJSON(searchJsonUrl);
    }

    function searchTermValid(searchTerm) {
        if (searchTerm === "" || searchTerm.length < _searchStartLength) {
            return false;
        } else {
            return true;
        }
    }


    /*
     ===
     LIVE SEARCH
     ===
     */

    function handleLiveKeyDown(e) {

        // arrow down, arrow up
        if (e.keyCode === 38 || e.keyCode === 40) {
            e.preventDefault();
            return false;
        }

        // enter
        if (e.keyCode === 13) {
            e.preventDefault();
            openSearchPage(e);
            return false;
        }

        // delays input and makes sure that only a complete search is sent
        clearTimeout(_timeOutID);
        _timeOutID = setTimeout(search, 300);
    }

    function showLiveResultList(results) {
        if (!results) {
            $liveSearchResultList.removeClass("hidden");
            return;
        }

        var i = 0,
            length = results.length;

        var html = "";

        for (i; i < length; i++) {
            var currentPage = results[i];

            var description = currentPage.description;
            if (description.length > _maxDescriptionLengthLive) {
                description = description.substr(0, _maxDescriptionLengthLive) + "&hellip;"
            }

            html += String.format("<li><a href=\"{1}\">{0}<br><small>{2}</small></a></li>", currentPage.title, currentPage.url, description);
        }

        $liveSearchResultList.empty().append(html).removeClass("hidden");
    }

    function hideLiveResultList() {
        $liveSearchResultList.addClass("hidden");
    }

    function search() {
        var term = $liveSearchField.val();

        _searchTerm = term.trim().toLowerCase();
        _searchTermCombined = _searchTerm.replace(" ", "");

        if (!searchTermValid(_searchTerm)) {
            $liveSearchResultList.empty();
            return false;
        }

        startLiveSearch();
    }

    function startLiveSearch() {
        var cachedSearchResults = app.storage.getItem(storageKeyName);
        if (!cachedSearchResults) {
            getSearchResults().done(function (response) {
                app.storage.setItem(storageKeyName, response);
                handleLiveSearchResult(response);
            });
        } else {
            handleLiveSearchResult(cachedSearchResults);
        }
    }

    function handleLiveSearchResult(response) {
        var results = findSearchTermInArray(response, _maxEntriesLive);
        app.analytics.sendEvent("LiveSearch", "Search", _searchTerm);
        showLiveResultList(results);
    }

    function openSearchPage(e) {
        e.preventDefault();
        var searchTerm = $liveSearchField.val().trim();
        app.analytics.sendEvent("LiveSearch", "OpenSearchPage", searchTerm);
        document.location.href = String.format("search.html?{0}={1}", searchTermParamName, encodeURIComponent(searchTerm));
        return false;
    }


    /*
     ===
     CONTENT SEARCH
     ===
     */

    function handleContentKeyDown(e) {

        // arrow down, arrow up
        if (e.keyCode === 38 || e.keyCode === 40) {
            e.preventDefault();
            return false;
        }

        // enter
        if (e.keyCode === 13) {
            e.preventDefault();
            contentSearch();
            return false;
        }

        // delays input and makes sure that only a complete search is sent
        clearTimeout(_timeOutID);
        _timeOutID = setTimeout(contentSearch, 300);
    }

    function contentSearch() {
        var term = $contentSearchField.val();

        _searchTerm = term.trim().toLowerCase();
        _searchTermCombined = _searchTerm.replace(" ", "");

        if (!searchTermValid(_searchTerm)) {
            return false;
        }
        startContentSearch();
    }

    function updateSearchFieldFromQueryParams() {
        _searchTerm = utils.getQueryParam(searchTermParamName);
        _searchTermCombined = _searchTerm.replace(" ", "");
        $contentSearchField.val(_searchTerm);
        if (searchTermValid(_searchTerm)) {
            startContentSearch();
        }
    }

    function startContentSearch() {
        var cachedSearchResults = app.storage.getItem(storageKeyName);
        if (!cachedSearchResults) {
            getSearchResults().done(function (response) {
                app.storage.setItem(storageKeyName, response);
                handleContentSearchResult(response);
            });
        } else {
            handleContentSearchResult(cachedSearchResults);
        }
    }


    function handleContentSearchResult(response) {
        var results = findSearchTermInArray(response, _maxEntriesContent);
        app.analytics.sendEvent("ContentSearch", "Search", _searchTerm);
        showContentResultList(results);
    }

    function showContentResultList(results) {
        var i = 0,
            length = results.length;

        var html = "";

        for (i; i < length; i++) {
            var currentPage = results[i];

            var description = currentPage.description;
            if (description.length > _maxDescriptionLengthContent) {
                description = description.substr(0, _maxDescriptionLengthContent) + "&hellip;"
            }

            html += String.format("<li><a href=\"{1}\">{0}</a><span class=\"additionalInfo\"><br><small><span class=\"url\">{3}</span><br><span class\"description\">{2}</small></small></span></li>", currentPage.title, currentPage.url, description, document.location.origin + currentPage.url);
        }

        $contentSearchResultList.empty().append(html);
    }

    return {
        init: init
    };


})(jQuery);

jQuery(document).foundation();

jQuery(document).ready(function(){
    var $slider = jQuery(".slider");
    if ($slider.length > 0) {
        $slider.slick({
            arrows: true,
            dots: true,
            slidesToShow: 1,
            slidesToScroll: 1,
            autoplay: true,
            autoplaySpeed: 6000,
            responsive: [
                {
                    breakpoint: 640,
                    settings: {
                        arrows: false
                    }
                }
            ]
        });
    }


    var $toc = jQuery("#toc");
    if ($toc.length > 0) {
        $toc.toc({
            headers: "#content h2, #content h3, #content h4, #content h5, #content h6",
            showEffect: "none"
        });

        if ($toc.html() === "") {
            jQuery(".js-expandToc").remove();
            jQuery(".toc-header").remove();
        }
    }


    var $tables = $("#content table");
    $tables.each(function(index, item) {
        var $table = $(item);
        $table.wrap("<div class=\"table-wrapper\">")
    });
});

window.app = window.app || {};

window.app.contentSearch.init();