!function(root, factory) {
    "function" == typeof define && define.amd ? // AMD. Register as an anonymous module unless amdModuleId is set
    define([], function() {
        return root.svg4everybody = factory();
    }) : "object" == typeof exports ? module.exports = factory() : root.svg4everybody = factory();
}(this, function() {
    /*! svg4everybody v2.0.3 | github.com/jonathantneal/svg4everybody */
    function embed(svg, target) {
        // if the target exists
        if (target) {
            // create a document fragment to hold the contents of the target
            var fragment = document.createDocumentFragment(), viewBox = !svg.getAttribute("viewBox") && target.getAttribute("viewBox");
            // conditionally set the viewBox on the svg
            viewBox && svg.setAttribute("viewBox", viewBox);
            // copy the contents of the clone into the fragment
            for (// clone the target
            var clone = target.cloneNode(!0); clone.childNodes.length; ) {
                fragment.appendChild(clone.firstChild);
            }

            /* Note that this is a change of the original code.
             * svg4everybody removes the original <use>. This code wraps
             * the SVG in a group with the class 'use'. This allows to
             * change the colors of the SVG for all browsers by using the
             * CSS selector 'svg use, svg .use'
             */
            var group = document.createElementNS('http://www.w3.org/2000/svg', 'g');
            group.setAttribute('class', 'use');
            group.appendChild(fragment);
            svg.appendChild(group);
        }
    }
    function loadreadystatechange(xhr) {
        // listen to changes in the request
        xhr.onreadystatechange = function() {
            // if the request is ready
            if (4 === xhr.readyState) {
                // get the cached html document
                var cachedDocument = xhr._cachedDocument;
                // ensure the cached html document based on the xhr response
                cachedDocument || (cachedDocument = xhr._cachedDocument = document.implementation.createHTMLDocument(""), 
                cachedDocument.body.innerHTML = xhr.responseText, xhr._cachedTarget = {}), // clear the xhr embeds list and embed each item
                xhr._embeds.splice(0).map(function(item) {
                    // get the cached target
                    var target = xhr._cachedTarget[item.id];
                    // ensure the cached target
                    target || (target = xhr._cachedTarget[item.id] = cachedDocument.getElementById(item.id)), 
                    // embed the target into the svg
                    embed(item.svg, target);
                });
            }
        }, // test the ready state change immediately
        xhr.onreadystatechange();
    }
    function svg4everybody(rawopts) {
        function oninterval() {
            // while the index exists in the live <use> collection
            for (// get the cached <use> index
            var index = 0; index < uses.length; ) {
                // get the current <use>
                var use = uses[index], svg = use.parentNode;
                if (svg && /svg/i.test(svg.nodeName)) {
                    var src = use.getAttribute("xlink:href");
                    if (polyfill && (!opts.validate || opts.validate(src, svg, use))) {
                        // remove the <use> element
                        svg.removeChild(use);
                        // parse the src and get the url and id
                        var srcSplit = src.split("#"), url = srcSplit.shift(), id = srcSplit.join("#");
                        // if the link is external
                        if (url.length) {
                            // get the cached xhr request
                            var xhr = requests[url];
                            // ensure the xhr request exists
                            xhr || (xhr = requests[url] = new XMLHttpRequest(), xhr.open("GET", url), xhr.send(), 
                            xhr._embeds = []), // add the svg and id as an item to the xhr embeds list
                            xhr._embeds.push({
                                svg: svg,
                                id: id
                            }), // prepare the xhr ready state change event
                            loadreadystatechange(xhr);
                        } else {
                            // embed the local id into the svg
                            embed(svg, document.getElementById(id));
                        }
                    }
                } else {
                    // increase the index when the previous value was not "valid"
                    ++index;
                }
            }
            // continue the interval
            requestAnimationFrame(oninterval, 67);
        }
        var polyfill, opts = Object(rawopts), newerIEUA = /\bTrident\/[567]\b|\bMSIE (?:9|10)\.0\b/, webkitUA = /\bAppleWebKit\/(\d+)\b/, olderEdgeUA = /\bEdge\/12\.(\d+)\b/;
        polyfill = "polyfill" in opts ? opts.polyfill : newerIEUA.test(navigator.userAgent) || (navigator.userAgent.match(olderEdgeUA) || [])[1] < 10547 || (navigator.userAgent.match(webkitUA) || [])[1] < 537;
        // create xhr requests object
        var requests = {}, requestAnimationFrame = window.requestAnimationFrame || setTimeout, uses = document.getElementsByTagName("use");
        // conditionally start the interval if the polyfill is active
        polyfill && oninterval();
    }
    return svg4everybody;
});