/*!

Holder - client side image placeholders
Version 2.7.1+6hydf
© 2015 Ivan Malopinsky - http://imsky.co

Site:     http://holderjs.com
Issues:   https://github.com/imsky/holder/issues
License:  http://opensource.org/licenses/MIT

*/
(function (window) {
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  var document = window.document;

  //https://github.com/inexorabletash/polyfill/blob/master/web.js
    if (!document.querySelectorAll) {
      document.querySelectorAll = function (selectors) {
        var style = document.createElement('style'), elements = [], element;
        document.documentElement.firstChild.appendChild(style);
        document._qsa = [];

        style.styleSheet.cssText = selectors + '{x-qsa:expression(document._qsa && document._qsa.push(this))}';
        window.scrollBy(0, 0);
        style.parentNode.removeChild(style);

        while (document._qsa.length) {
          element = document._qsa.shift();
          element.style.removeAttribute('x-qsa');
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        document._qsa = null;
        return elements;
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        var elements = document.querySelectorAll(selectors);
        return (elements.length) ? elements[0] : null;
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      document.getElementsByClassName = function (classNames) {
        classNames = String(classNames).replace(/^|\s+/g, '.');
        return document.querySelectorAll(classNames);
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  //https://github.com/inexorabletash/polyfill
  // ES5 15.2.3.14 Object.keys ( O )
  // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Object/keys
  if (!Object.keys) {
    Object.keys = function (o) {
      if (o !== Object(o)) { throw TypeError('Object.keys called on non-object'); }
      var ret = [], p;
      for (p in o) {
        if (Object.prototype.hasOwnProperty.call(o, p)) {
          ret.push(p);
        }
      }
      return ret;
    };
  }

  //https://github.com/inexorabletash/polyfill/blob/master/web.js
  (function (global) {
    var B64_ALPHABET = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
    global.atob = global.atob || function (input) {
      input = String(input);
      var position = 0,
          output = [],
          buffer = 0, bits = 0, n;

      input = input.replace(/\s/g, '');
      if ((input.length % 4) === 0) { input = input.replace(/=+$/, ''); }
      if ((input.length % 4) === 1) { throw Error('InvalidCharacterError'); }
      if (/[^+/0-9A-Za-z]/.test(input)) { throw Error('InvalidCharacterError'); }

      while (position < input.length) {
        n = B64_ALPHABET.indexOf(input.charAt(position));
        buffer = (buffer << 6) | n;
        bits += 6;

        if (bits === 24) {
          output.push(String.fromCharCode((buffer >> 16) & 0xFF));
          output.push(String.fromCharCode((buffer >>  8) & 0xFF));
          output.push(String.fromCharCode(buffer & 0xFF));
          bits = 0;
          buffer = 0;
        }
        position += 1;
      }

      if (bits === 12) {
        buffer = buffer >> 4;
        output.push(String.fromCharCode(buffer & 0xFF));
      } else if (bits === 18) {
        buffer = buffer >> 2;
        output.push(String.fromCharCode((buffer >> 8) & 0xFF));
        output.push(String.fromCharCode(buffer & 0xFF));
      }

      return output.join('');
    };

    global.btoa = global.btoa || function (input) {
      input = String(input);
      var position = 0,
          out = [],
          o1, o2, o3,
          e1, e2, e3, e4;

      if (/[^\x00-\xFF]/.test(input)) { throw Error('InvalidCharacterError'); }

      while (position < input.length) {
        o1 = input.charCodeAt(position++);
        o2 = input.charCodeAt(position++);
        o3 = input.charCodeAt(position++);

        // 111111 112222 222233 333333
        e1 = o1 >> 2;
        e2 = ((o1 & 0x3) << 4) | (o2 >> 4);
        e3 = ((o2 & 0xf) << 2) | (o3 >> 6);
        e4 = o3 & 0x3f;

        if (position === input.length + 2) {
          e3 = 64; e4 = 64;
        }
        else if (position === input.length + 1) {
          e4 = 64;
        }

        out.push(B64_ALPHABET.charAt(e1),
                 B64_ALPHABET.charAt(e2),
                 B64_ALPHABET.charAt(e3),
                 B64_ALPHABET.charAt(e4));
      }

      return out.join('');
    };
  }(window));

  //https://gist.github.com/jimeh/332357
  if (!Object.prototype.hasOwnProperty){
      /*jshint -W001, -W103 */
      Object.prototype.hasOwnProperty = function(prop) {
      var proto = this.__proto__ || this.constructor.prototype;
      return (prop in this) && (!(prop in proto) || proto[prop] !== this[prop]);
    };
      /*jshint +W001, +W103 */
  }

  // @license http://opensource.org/licenses/MIT
  // copyright Paul Irish 2015


  // Date.now() is supported everywhere except IE8. For IE8 we use the Date.now polyfill
  //   github.com/Financial-Times/polyfill-service/blob/master/polyfills/Date.now/polyfill.js
  // as Safari 6 doesn't have support for NavigationTiming, we use a Date.now() timestamp for relative values

  // if you want values similar to what you'd get with real perf.now, place this towards the head of the page
  // but in reality, you're just getting the delta between now() calls, so it's not terribly important where it's placed


  (function(){

    if ('performance' in window === false) {
        window.performance = {};
    }
    
    Date.now = (Date.now || function () {  // thanks IE8
      return new Date().getTime();
    });

    if ('now' in window.performance === false){
      
      var nowOffset = Date.now();
      
      if (performance.timing && performance.timing.navigationStart){
        nowOffset = performance.timing.navigationStart;
      }

      window.performance.now = function now(){
        return Date.now() - nowOffset;
      };
    }

  })();

  //requestAnimationFrame polyfill for older Firefox/Chrome versions
  if (!window.requestAnimationFrame) {
    if (window.webkitRequestAnimationFrame) {
    //https://github.com/Financial-Times/polyfill-service/blob/master/polyfills/requestAnimationFrame/polyfill-webkit.js
    (function (global) {
      // window.requestAnimationFrame
      global.requestAnimationFrame = function (callback) {
        return webkitRequestAnimationFrame(function () {
          callback(global.performance.now());
        });
      };

      // window.cancelAnimationFrame
      global.cancelAnimationFrame = webkitCancelAnimationFrame;
    }(window));
    } else if (window.mozRequestAnimationFrame) {
      //https://github.com/Financial-Times/polyfill-service/blob/master/polyfills/requestAnimationFrame/polyfill-moz.js
    (function (global) {
      // window.requestAnimationFrame
      global.requestAnimationFrame = function (callback) {
        return mozRequestAnimationFrame(function () {
          callback(global.performance.now());
        });
      };

      // window.cancelAnimationFrame
      global.cancelAnimationFrame = mozCancelAnimationFrame;
    }(window));
    } else {
    (function (global) {
      global.requestAnimationFrame = function (callback) {
      return global.setTimeout(callback, 1000 / 60);
      };

      global.cancelAnimationFrame = global.clearTimeout;
    })(window);
    }
  }
})(this);

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	else if(typeof define === 'function' && define.amd)
		define(factory);
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		exports["Holder"] = factory();
	else
		root["Holder"] = factory();
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/* 0 */
/***/ function(module, exports, __webpack_require__) {

	/* WEBPACK VAR INJECTION */(function(global) {/*
	Holder.js - client side image placeholders
	© 2012-2015 Ivan Malopinsky - http://imsky.co
	*/

	//Libraries and functions
	var onDomReady = __webpack_require__(1);
	var SceneGraph = __webpack_require__(2);
	var utils = __webpack_require__(3);
	var querystring = __webpack_require__(4);

	var extend = utils.extend;
	var getNodeArray = utils.getNodeArray;
	var dimensionCheck = utils.dimensionCheck;

	//Constants and definitions
	var SVG_NS = 'http://www.w3.org/2000/svg';
	var NODE_TYPE_COMMENT = 8;
	var version = '2.7.1';
	var generatorComment = '\n' +
	    'Created with Holder.js ' + version + '.\n' +
	    'Learn more at http://holderjs.com\n' +
	    '(c) 2012-2015 Ivan Malopinsky - http://imsky.co\n';

	var Holder = {
	    version: version,

	    /**
	     * Adds a theme to default settings
	     *
	     * @param {string} name Theme name
	     * @param {Object} theme Theme object, with foreground, background, size, font, and fontweight properties.
	     */
	    addTheme: function(name, theme) {
	        name != null && theme != null && (App.settings.themes[name] = theme);
	        delete App.vars.cache.themeKeys;
	        return this;
	    },

	    /**
	     * Appends a placeholder to an element
	     *
	     * @param {string} src Placeholder URL string
	     * @param {string} el Selector of target element(s)
	     */
	    addImage: function(src, el) {
	        var node = document.querySelectorAll(el);
	        if (node.length) {
	            for (var i = 0, l = node.length; i < l; i++) {
	                var img = newEl('img');
	                var domProps = {};
	                domProps[App.vars.dataAttr] = src;
	                setAttr(img, domProps);
	                node[i].appendChild(img);
	            }
	        }
	        return this;
	    },

	    /**
	     * Sets whether or not an image is updated on resize.
	     * If an image is set to be updated, it is immediately rendered.
	     *
	     * @param {Object} el Image DOM element
	     * @param {Boolean} value Resizable update flag value
	     */
	    setResizeUpdate: function(el, value) {
	        if (el.holderData) {
	            el.holderData.resizeUpdate = !!value;
	            if (el.holderData.resizeUpdate) {
	                updateResizableElements(el);
	            }
	        }
	    },

	    /**
	     * Runs Holder with options. By default runs Holder on all images with "holder.js" in their source attributes.
	     *
	     * @param {Object} userOptions Options object, can contain domain, themes, images, and bgnodes properties
	     */
	    run: function(userOptions) {
	        userOptions = userOptions || {};
	        var engineSettings = {};
	        var options = extend(App.settings, userOptions);

	        App.vars.preempted = true;
	        App.vars.dataAttr = options.dataAttr || App.vars.dataAttr;

	        engineSettings.renderer = options.renderer ? options.renderer : App.setup.renderer;
	        if (App.setup.renderers.join(',').indexOf(engineSettings.renderer) === -1) {
	            engineSettings.renderer = App.setup.supportsSVG ? 'svg' : (App.setup.supportsCanvas ? 'canvas' : 'html');
	        }

	        var images = getNodeArray(options.images);
	        var bgnodes = getNodeArray(options.bgnodes);
	        var stylenodes = getNodeArray(options.stylenodes);
	        var objects = getNodeArray(options.objects);

	        engineSettings.stylesheets = [];
	        engineSettings.svgXMLStylesheet = true;
	        engineSettings.noFontFallback = options.noFontFallback ? options.noFontFallback : false;

	        for (var i = 0; i < stylenodes.length; i++) {
	            var styleNode = stylenodes[i];
	            if (styleNode.attributes.rel && styleNode.attributes.href && styleNode.attributes.rel.value == 'stylesheet') {
	                var href = styleNode.attributes.href.value;
	                //todo: write isomorphic relative-to-absolute URL function
	                var proxyLink = newEl('a');
	                proxyLink.href = href;
	                var stylesheetURL = proxyLink.protocol + '//' + proxyLink.host + proxyLink.pathname + proxyLink.search;
	                engineSettings.stylesheets.push(stylesheetURL);
	            }
	        }

	        for (i = 0; i < bgnodes.length; i++) {
	            //Skip processing background nodes if getComputedStyle is unavailable, since only modern browsers would be able to use canvas or SVG to render to background
	            if (!global.getComputedStyle) continue;
	            var backgroundImage = global.getComputedStyle(bgnodes[i], null).getPropertyValue('background-image');
	            var dataBackgroundImage = bgnodes[i].getAttribute('data-background-src');
	            var rawURL = null;

	            if (dataBackgroundImage == null) {
	                rawURL = backgroundImage;
	            } else {
	                rawURL = dataBackgroundImage;
	            }

	            var holderURL = null;
	            var holderString = '?' + options.domain + '/';

	            if (rawURL.indexOf(holderString) === 0) {
	                holderURL = rawURL.slice(1);
	            } else if (rawURL.indexOf(holderString) != -1) {
	                var fragment = rawURL.substr(rawURL.indexOf(holderString)).slice(1);
	                var fragmentMatch = fragment.match(/([^\"]*)"?\)/);

	                if (fragmentMatch != null) {
	                    holderURL = fragmentMatch[1];
	                }
	            }

	            if (holderURL != null) {
	                var holderFlags = parseURL(holderURL, options);
	                if (holderFlags) {
	                    prepareDOMElement({
	                        mode: 'background',
	                        el: bgnodes[i],
	                        flags: holderFlags,
	                        engineSettings: engineSettings
	                    });
	                }
	            }
	        }

	        for (i = 0; i < objects.length; i++) {
	            var object = objects[i];
	            var objectAttr = {};

	            try {
	                objectAttr.data = object.getAttribute('data');
	                objectAttr.dataSrc = object.getAttribute(App.vars.dataAttr);
	            } catch (e) {}

	            var objectHasSrcURL = objectAttr.data != null && objectAttr.data.indexOf(options.domain) === 0;
	            var objectHasDataSrcURL = objectAttr.dataSrc != null && objectAttr.dataSrc.indexOf(options.domain) === 0;

	            if (objectHasSrcURL) {
	                prepareImageElement(options, engineSettings, objectAttr.data, object);
	            } else if (objectHasDataSrcURL) {
	                prepareImageElement(options, engineSettings, objectAttr.dataSrc, object);
	            }
	        }

	        for (i = 0; i < images.length; i++) {
	            var image = images[i];
	            var imageAttr = {};

	            try {
	                imageAttr.src = image.getAttribute('src');
	                imageAttr.dataSrc = image.getAttribute(App.vars.dataAttr);
	                imageAttr.rendered = image.getAttribute('data-holder-rendered');
	            } catch (e) {}

	            var imageHasSrc = imageAttr.src != null;
	            var imageHasDataSrcURL = imageAttr.dataSrc != null && imageAttr.dataSrc.indexOf(options.domain) === 0;
	            var imageRendered = imageAttr.rendered != null && imageAttr.rendered == 'true';

	            if (imageHasSrc) {
	                if (imageAttr.src.indexOf(options.domain) === 0) {
	                    prepareImageElement(options, engineSettings, imageAttr.src, image);
	                } else if (imageHasDataSrcURL) {
	                    //Image has a valid data-src and an invalid src
	                    if (imageRendered) {
	                        //If the placeholder has already been render, re-render it
	                        prepareImageElement(options, engineSettings, imageAttr.dataSrc, image);
	                    } else {
	                        //If the placeholder has not been rendered, check if the image exists and render a fallback if it doesn't
	                        (function(src, options, engineSettings, dataSrc, image) {
	                            utils.imageExists(src, function(exists) {
	                                if (!exists) {
	                                    prepareImageElement(options, engineSettings, dataSrc, image);
	                                }
	                            });
	                        })(imageAttr.src, options, engineSettings, imageAttr.dataSrc, image);
	                    }
	                }
	            } else if (imageHasDataSrcURL) {
	                prepareImageElement(options, engineSettings, imageAttr.dataSrc, image);
	            }
	        }

	        return this;
	    }
	};

	var App = {
	    settings: {
	        domain: 'holder.js',
	        images: 'img',
	        objects: 'object',
	        bgnodes: 'body .holderjs',
	        stylenodes: 'head link.holderjs',
	        stylesheets: [],
	        themes: {
	            'gray': {
	                background: '#EEEEEE',
	                foreground: '#AAAAAA'
	            },
	            'social': {
	                background: '#3a5a97',
	                foreground: '#FFFFFF'
	            },
	            'industrial': {
	                background: '#434A52',
	                foreground: '#C2F200'
	            },
	            'sky': {
	                background: '#0D8FDB',
	                foreground: '#FFFFFF'
	            },
	            'vine': {
	                background: '#39DBAC',
	                foreground: '#1E292C'
	            },
	            'lava': {
	                background: '#F8591A',
	                foreground: '#1C2846'
	            }
	        }
	    },
	    defaults: {
	        size: 10,
	        units: 'pt',
	        scale: 1 / 16
	    },
	    //todo: remove in 2.8
	    flags: {
	        dimensions: {
	            regex: /^(\d+)x(\d+)$/,
	            output: function(val) {
	                var exec = this.regex.exec(val);
	                return {
	                    width: +exec[1],
	                    height: +exec[2]
	                };
	            }
	        },
	        fluid: {
	            regex: /^([0-9]+%?)x([0-9]+%?)$/,
	            output: function(val) {
	                var exec = this.regex.exec(val);
	                return {
	                    width: exec[1],
	                    height: exec[2]
	                };
	            }
	        },
	        colors: {
	            regex: /(?:#|\^)([0-9a-f]{3,})\:(?:#|\^)([0-9a-f]{3,})/i,
	            output: function(val) {
	                var exec = this.regex.exec(val);
	                return {
	                    foreground: '#' + exec[2],
	                    background: '#' + exec[1]
	                };
	            }
	        },
	        text: {
	            regex: /text\:(.*)/,
	            output: function(val) {
	                return this.regex.exec(val)[1].replace('\\/', '/');
	            }
	        },
	        font: {
	            regex: /font\:(.*)/,
	            output: function(val) {
	                return this.regex.exec(val)[1];
	            }
	        },
	        auto: {
	            regex: /^auto$/
	        },
	        textmode: {
	            regex: /textmode\:(.*)/,
	            output: function(val) {
	                return this.regex.exec(val)[1];
	            }
	        },
	        random: {
	            regex: /^random$/
	        },
	        size: {
	            regex: /size\:(\d+)/,
	            output: function(val) {
	                return this.regex.exec(val)[1];
	            }
	        }
	    }
	};

	/**
	 * Processes provided source attribute and sets up the appropriate rendering workflow
	 *
	 * @private
	 * @param options Instance options from Holder.run
	 * @param renderSettings Instance configuration
	 * @param src Image URL
	 * @param el Image DOM element
	 */
	function prepareImageElement(options, engineSettings, src, el) {
	    var holderFlags = parseURL(src.substr(src.lastIndexOf(options.domain)), options);
	    if (holderFlags) {
	        prepareDOMElement({
	            mode: null,
	            el: el,
	            flags: holderFlags,
	            engineSettings: engineSettings
	        });
	    }
	}

	/**
	 * Processes a Holder URL
	 *
	 * @private
	 * @param url URL
	 * @param options Instance options from Holder.run
	 */
	function parseURL(url, options) {
	    var holder = {
	        theme: extend(App.settings.themes.gray, null),
	        stylesheets: options.stylesheets,
	        instanceOptions: options
	    };

	    if (url.match(/([\d]+p?)x([\d]+p?)(?:\?|$)/)) {
	        return parseQueryString(url, holder);
	    } else {
	        return parseFlags(url, holder);
	    }
	}

	/**
	 * Processes a Holder URL and extracts configuration from query string
	 *
	 * @private
	 * @param url URL
	 * @param holder Staging Holder object
	 */
	function parseQueryString(url, holder) {
	    var parts = url.split('?');
	    var basics = parts[0].split('/');

	    holder.holderURL = url;

	    var dimensions = basics[1];
	    var dimensionData = dimensions.match(/([\d]+p?)x([\d]+p?)/);

	    if (!dimensionData) return false;

	    holder.fluid = dimensions.indexOf('p') !== -1;

	    holder.dimensions = {
	        width: dimensionData[1].replace('p', '%'),
	        height: dimensionData[2].replace('p', '%')
	    };

	    if (parts.length === 2) {
	        var options = querystring.parse(parts[1]);

	        // Colors

	        if (options.bg) {
	            holder.theme.background = (options.bg.indexOf('#') === -1 ? '#' : '') + options.bg;
	        }

	        if (options.fg) {
	            holder.theme.foreground = (options.fg.indexOf('#') === -1 ? '#' : '') + options.fg;
	        }

	        if (options.theme && holder.instanceOptions.themes.hasOwnProperty(options.theme)) {
	            holder.theme = extend(holder.instanceOptions.themes[options.theme], null);
	        }

	        // Text

	        if (options.text) {
	            holder.text = options.text;
	        }

	        if (options.textmode) {
	            holder.textmode = options.textmode;
	        }

	        if (options.size) {
	            holder.size = options.size;
	        }

	        if (options.font) {
	            holder.font = options.font;
	        }

	        if (options.align) {
	            holder.align = options.align;
	        }

	        holder.nowrap = utils.truthy(options.nowrap);

	        // Miscellaneous

	        holder.auto = utils.truthy(options.auto);

	        if (utils.truthy(options.random)) {
	            App.vars.cache.themeKeys = App.vars.cache.themeKeys || Object.keys(holder.instanceOptions.themes);
	            var _theme = App.vars.cache.themeKeys[0 | Math.random() * App.vars.cache.themeKeys.length];
	            holder.theme = extend(holder.instanceOptions.themes[_theme], null);
	        }
	    }

	    return holder;
	}

	//todo: remove in 2.8
	/**
	 * Processes a Holder URL and extracts flags
	 *
	 * @private
	 * @deprecated
	 * @param url URL
	 * @param holder Staging Holder object
	 */
	function parseFlags(url, holder) {
	    var render = false;
	    var vtab = String.fromCharCode(11);
	    var flags = url.replace(/([^\\])\//g, '$1' + vtab).split(vtab);
	    var uriRegex = /%[0-9a-f]{2}/gi;
	    var options = holder.instanceOptions;

	    holder.holderURL = [];

	    for (var fl = flags.length, j = 0; j < fl; j++) {
	        var flag = flags[j];
	        if (flag.match(uriRegex)) {
	            try {
	                flag = decodeURIComponent(flag);
	            } catch (e) {
	                flag = flags[j];
	            }
	        }

	        var push = false;

	        if (App.flags.dimensions.match(flag)) {
	            render = true;
	            holder.dimensions = App.flags.dimensions.output(flag);
	            push = true;
	        } else if (App.flags.fluid.match(flag)) {
	            render = true;
	            holder.dimensions = App.flags.fluid.output(flag);
	            holder.fluid = true;
	            push = true;
	        } else if (App.flags.textmode.match(flag)) {
	            holder.textmode = App.flags.textmode.output(flag);
	            push = true;
	        } else if (App.flags.colors.match(flag)) {
	            var colors = App.flags.colors.output(flag);
	            holder.theme = extend(holder.theme, colors);
	            push = true;
	        } else if (options.themes[flag]) {
	            //If a theme is specified, it will override custom colors
	            if (options.themes.hasOwnProperty(flag)) {
	                holder.theme = extend(options.themes[flag], null);
	            }
	            push = true;
	        } else if (App.flags.font.match(flag)) {
	            holder.font = App.flags.font.output(flag);
	            push = true;
	        } else if (App.flags.auto.match(flag)) {
	            holder.auto = true;
	            push = true;
	        } else if (App.flags.text.match(flag)) {
	            holder.text = App.flags.text.output(flag);
	            push = true;
	        } else if (App.flags.size.match(flag)) {
	            holder.size = App.flags.size.output(flag);
	            push = true;
	        } else if (App.flags.random.match(flag)) {
	            if (App.vars.cache.themeKeys == null) {
	                App.vars.cache.themeKeys = Object.keys(options.themes);
	            }
	            var theme = App.vars.cache.themeKeys[0 | Math.random() * App.vars.cache.themeKeys.length];
	            holder.theme = extend(options.themes[theme], null);
	            push = true;
	        }

	        if (push) {
	            holder.holderURL.push(flag);
	        }
	    }
	    holder.holderURL.unshift(options.domain);
	    holder.holderURL = holder.holderURL.join('/');
	    return render ? holder : false;
	}

	/**
	 * Modifies the DOM to fit placeholders and sets up resizable image callbacks (for fluid and automatically sized placeholders)
	 *
	 * @private
	 * @param settings DOM prep settings
	 */
	function prepareDOMElement(prepSettings) {
	    var mode = prepSettings.mode;
	    var el = prepSettings.el;
	    var flags = prepSettings.flags;
	    var _engineSettings = prepSettings.engineSettings;
	    var dimensions = flags.dimensions,
	        theme = flags.theme;
	    var dimensionsCaption = dimensions.width + 'x' + dimensions.height;
	    mode = mode == null ? (flags.fluid ? 'fluid' : 'image') : mode;

	    if (flags.text != null) {
	        theme.text = flags.text;

	        //<object> SVG embedding doesn't parse Unicode properly
	        if (el.nodeName.toLowerCase() === 'object') {
	            var textLines = theme.text.split('\\n');
	            for (var k = 0; k < textLines.length; k++) {
	                textLines[k] = utils.encodeHtmlEntity(textLines[k]);
	            }
	            theme.text = textLines.join('\\n');
	        }
	    }

	    var holderURL = flags.holderURL;
	    var engineSettings = extend(_engineSettings, null);

	    if (flags.font) {
	        theme.font = flags.font;
	        //Only run the <canvas> webfont fallback if noFontFallback is false, if the node is not an image, and if canvas is supported
	        if (!engineSettings.noFontFallback && el.nodeName.toLowerCase() === 'img' && App.setup.supportsCanvas && engineSettings.renderer === 'svg') {
	            engineSettings = extend(engineSettings, {
	                renderer: 'canvas'
	            });
	        }
	    }

	    //Chrome and Opera require a quick 10ms re-render if web fonts are used with canvas
	    if (flags.font && engineSettings.renderer == 'canvas') {
	        engineSettings.reRender = true;
	    }

	    if (mode == 'background') {
	        if (el.getAttribute('data-background-src') == null) {
	            setAttr(el, {
	                'data-background-src': holderURL
	            });
	        }
	    } else {
	        var domProps = {};
	        domProps[App.vars.dataAttr] = holderURL;
	        setAttr(el, domProps);
	    }

	    flags.theme = theme;

	    //todo consider using all renderSettings in holderData
	    el.holderData = {
	        flags: flags,
	        engineSettings: engineSettings
	    };

	    if (mode == 'image' || mode == 'fluid') {
	        setAttr(el, {
	            'alt': (theme.text ? theme.text + ' [' + dimensionsCaption + ']' : dimensionsCaption)
	        });
	    }

	    var renderSettings = {
	        mode: mode,
	        el: el,
	        holderSettings: {
	            dimensions: dimensions,
	            theme: theme,
	            flags: flags
	        },
	        engineSettings: engineSettings
	    };

	    if (mode == 'image') {
	        if (engineSettings.renderer == 'html' || !flags.auto) {
	            el.style.width = dimensions.width + 'px';
	            el.style.height = dimensions.height + 'px';
	        }
	        if (engineSettings.renderer == 'html') {
	            el.style.backgroundColor = theme.background;
	        } else {
	            render(renderSettings);

	            if (flags.textmode == 'exact') {
	                el.holderData.resizeUpdate = true;
	                App.vars.resizableImages.push(el);
	                updateResizableElements(el);
	            }
	        }
	    } else if (mode == 'background' && engineSettings.renderer != 'html') {
	        render(renderSettings);
	    } else if (mode == 'fluid') {
	        el.holderData.resizeUpdate = true;

	        if (dimensions.height.slice(-1) == '%') {
	            el.style.height = dimensions.height;
	        } else if (flags.auto == null || !flags.auto) {
	            el.style.height = dimensions.height + 'px';
	        }
	        if (dimensions.width.slice(-1) == '%') {
	            el.style.width = dimensions.width;
	        } else if (flags.auto == null || !flags.auto) {
	            el.style.width = dimensions.width + 'px';
	        }
	        if (el.style.display == 'inline' || el.style.display === '' || el.style.display == 'none') {
	            el.style.display = 'block';
	        }

	        setInitialDimensions(el);

	        if (engineSettings.renderer == 'html') {
	            el.style.backgroundColor = theme.background;
	        } else {
	            App.vars.resizableImages.push(el);
	            updateResizableElements(el);
	        }
	    }
	}

	/**
	 * Core function that takes output from renderers and sets it as the source or background-image of the target element
	 *
	 * @private
	 * @param renderSettings Renderer settings
	 */
	function render(renderSettings) {
	    var image = null;
	    var mode = renderSettings.mode;
	    var holderSettings = renderSettings.holderSettings;
	    var el = renderSettings.el;
	    var engineSettings = renderSettings.engineSettings;

	    switch (engineSettings.renderer) {
	        case 'svg':
	            if (!App.setup.supportsSVG) return;
	            break;
	        case 'canvas':
	            if (!App.setup.supportsCanvas) return;
	            break;
	        default:
	            return;
	    }

	    //todo: move generation of scene up to flag generation to reduce extra object creation
	    var scene = {
	        width: holderSettings.dimensions.width,
	        height: holderSettings.dimensions.height,
	        theme: holderSettings.theme,
	        flags: holderSettings.flags
	    };

	    var sceneGraph = buildSceneGraph(scene);

	    function getRenderedImage() {
	        var image = null;
	        switch (engineSettings.renderer) {
	            case 'canvas':
	                image = sgCanvasRenderer(sceneGraph, renderSettings);
	                break;
	            case 'svg':
	                image = sgSVGRenderer(sceneGraph, renderSettings);
	                break;
	            default:
	                throw 'Holder: invalid renderer: ' + engineSettings.renderer;
	        }

	        return image;
	    }

	    image = getRenderedImage();

	    if (image == null) {
	        throw 'Holder: couldn\'t render placeholder';
	    }

	    //todo: add <object> canvas rendering
	    if (mode == 'background') {
	        el.style.backgroundImage = 'url(' + image + ')';
	        el.style.backgroundSize = scene.width + 'px ' + scene.height + 'px';
	    } else {
	        if (el.nodeName.toLowerCase() === 'img') {
	            setAttr(el, {
	                'src': image
	            });
	        } else if (el.nodeName.toLowerCase() === 'object') {
	            setAttr(el, {
	                'data': image
	            });
	            setAttr(el, {
	                'type': 'image/svg+xml'
	            });
	        }
	        if (engineSettings.reRender) {
	            global.setTimeout(function() {
	                var image = getRenderedImage();
	                if (image == null) {
	                    throw 'Holder: couldn\'t render placeholder';
	                }
	                //todo: refactor this code into a function
	                if (el.nodeName.toLowerCase() === 'img') {
	                    setAttr(el, {
	                        'src': image
	                    });
	                } else if (el.nodeName.toLowerCase() === 'object') {
	                    setAttr(el, {
	                        'data': image
	                    });
	                    setAttr(el, {
	                        'type': 'image/svg+xml'
	                    });
	                }
	            }, 100);
	        }
	    }
	    //todo: account for re-rendering
	    setAttr(el, {
	        'data-holder-rendered': true
	    });
	}

	/**
	 * Core function that takes a Holder scene description and builds a scene graph
	 *
	 * @private
	 * @param scene Holder scene object
	 */
	//todo: make this function reusable
	//todo: merge app defaults and setup properties into the scene argument
	function buildSceneGraph(scene) {
	    var fontSize = App.defaults.size;
	    if (parseFloat(scene.theme.size)) {
	        fontSize = scene.theme.size;
	    } else if (parseFloat(scene.flags.size)) {
	        fontSize = scene.flags.size;
	    }

	    scene.font = {
	        family: scene.theme.font ? scene.theme.font : 'Arial, Helvetica, Open Sans, sans-serif',
	        size: textSize(scene.width, scene.height, fontSize),
	        units: scene.theme.units ? scene.theme.units : App.defaults.units,
	        weight: scene.theme.fontweight ? scene.theme.fontweight : 'bold'
	    };

	    scene.text = scene.theme.text || Math.floor(scene.width) + 'x' + Math.floor(scene.height);

	    scene.noWrap = scene.theme.nowrap || scene.flags.nowrap;

	    scene.align = scene.theme.align || scene.flags.align || 'center';

	    switch (scene.flags.textmode) {
	        case 'literal':
	            scene.text = scene.flags.dimensions.width + 'x' + scene.flags.dimensions.height;
	            break;
	        case 'exact':
	            if (!scene.flags.exactDimensions) break;
	            scene.text = Math.floor(scene.flags.exactDimensions.width) + 'x' + Math.floor(scene.flags.exactDimensions.height);
	            break;
	    }

	    var sceneGraph = new SceneGraph({
	        width: scene.width,
	        height: scene.height
	    });

	    var Shape = sceneGraph.Shape;

	    var holderBg = new Shape.Rect('holderBg', {
	        fill: scene.theme.background
	    });

	    holderBg.resize(scene.width, scene.height);
	    sceneGraph.root.add(holderBg);

	    var holderTextGroup = new Shape.Group('holderTextGroup', {
	        text: scene.text,
	        align: scene.align,
	        font: scene.font,
	        fill: scene.theme.foreground
	    });

	    holderTextGroup.moveTo(null, null, 1);
	    sceneGraph.root.add(holderTextGroup);

	    var tpdata = holderTextGroup.textPositionData = stagingRenderer(sceneGraph);
	    if (!tpdata) {
	        throw 'Holder: staging fallback not supported yet.';
	    }
	    holderTextGroup.properties.leading = tpdata.boundingBox.height;

	    var textNode = null;
	    var line = null;

	    function finalizeLine(parent, line, width, height) {
	        line.width = width;
	        line.height = height;
	        parent.width = Math.max(parent.width, line.width);
	        parent.height += line.height;
	    }

	    var sceneMargin = scene.width * App.setup.lineWrapRatio;
	    var maxLineWidth = sceneMargin;

	    if (tpdata.lineCount > 1) {
	        var offsetX = 0;
	        var offsetY = 0;
	        var lineIndex = 0;
	        var lineKey;
	        line = new Shape.Group('line' + lineIndex);

	        //Double margin so that left/right-aligned next is not flush with edge of image
	        if (scene.align === 'left' || scene.align === 'right') {
	            maxLineWidth = scene.width * (1 - (1 - (App.setup.lineWrapRatio)) * 2);
	        }

	        for (var i = 0; i < tpdata.words.length; i++) {
	            var word = tpdata.words[i];
	            textNode = new Shape.Text(word.text);
	            var newline = word.text == '\\n';
	            if (!scene.noWrap && (offsetX + word.width >= maxLineWidth || newline === true)) {
	                finalizeLine(holderTextGroup, line, offsetX, holderTextGroup.properties.leading);
	                holderTextGroup.add(line);
	                offsetX = 0;
	                offsetY += holderTextGroup.properties.leading;
	                lineIndex += 1;
	                line = new Shape.Group('line' + lineIndex);
	                line.y = offsetY;
	            }
	            if (newline === true) {
	                continue;
	            }
	            textNode.moveTo(offsetX, 0);
	            offsetX += tpdata.spaceWidth + word.width;
	            line.add(textNode);
	        }

	        finalizeLine(holderTextGroup, line, offsetX, holderTextGroup.properties.leading);
	        holderTextGroup.add(line);

	        if (scene.align === 'left') {
	            holderTextGroup.moveTo(scene.width - sceneMargin, null, null);
	        } else if (scene.align === 'right') {
	            for (lineKey in holderTextGroup.children) {
	                line = holderTextGroup.children[lineKey];
	                line.moveTo(scene.width - line.width, null, null);
	            }

	            holderTextGroup.moveTo(0 - (scene.width - sceneMargin), null, null);
	        } else {
	            for (lineKey in holderTextGroup.children) {
	                line = holderTextGroup.children[lineKey];
	                line.moveTo((holderTextGroup.width - line.width) / 2, null, null);
	            }

	            holderTextGroup.moveTo((scene.width - holderTextGroup.width) / 2, null, null);
	        }

	        holderTextGroup.moveTo(null, (scene.height - holderTextGroup.height) / 2, null);

	        //If the text exceeds vertical space, move it down so the first line is visible
	        if ((scene.height - holderTextGroup.height) / 2 < 0) {
	            holderTextGroup.moveTo(null, 0, null);
	        }
	    } else {
	        textNode = new Shape.Text(scene.text);
	        line = new Shape.Group('line0');
	        line.add(textNode);
	        holderTextGroup.add(line);

	        if (scene.align === 'left') {
	            holderTextGroup.moveTo(scene.width - sceneMargin, null, null);
	        } else if (scene.align === 'right') {
	            holderTextGroup.moveTo(0 - (scene.width - sceneMargin), null, null);
	        } else {
	            holderTextGroup.moveTo((scene.width - tpdata.boundingBox.width) / 2, null, null);
	        }

	        holderTextGroup.moveTo(null, (scene.height - tpdata.boundingBox.height) / 2, null);
	    }

	    //todo: renderlist

	    return sceneGraph;
	}

	/**
	 * Adaptive text sizing function
	 *
	 * @private
	 * @param width Parent width
	 * @param height Parent height
	 * @param fontSize Requested text size
	 */
	function textSize(width, height, fontSize) {
	    var stageWidth = parseInt(width, 10);
	    var stageHeight = parseInt(height, 10);

	    var bigSide = Math.max(stageWidth, stageHeight);
	    var smallSide = Math.min(stageWidth, stageHeight);

	    var newHeight = 0.8 * Math.min(smallSide, bigSide * App.defaults.scale);
	    return Math.round(Math.max(fontSize, newHeight));
	}

	/**
	 * Iterates over resizable (fluid or auto) placeholders and renders them
	 *
	 * @private
	 * @param element Optional element selector, specified only if a specific element needs to be re-rendered
	 */
	function updateResizableElements(element) {
	    var images;
	    if (element == null || element.nodeType == null) {
	        images = App.vars.resizableImages;
	    } else {
	        images = [element];
	    }
	    for (var i = 0, l = images.length; i < l; i++) {
	        var el = images[i];
	        if (el.holderData) {
	            var flags = el.holderData.flags;
	            var dimensions = dimensionCheck(el);
	            if (dimensions) {
	                if (!el.holderData.resizeUpdate) {
	                    continue;
	                }

	                if (flags.fluid && flags.auto) {
	                    var fluidConfig = el.holderData.fluidConfig;
	                    switch (fluidConfig.mode) {
	                        case 'width':
	                            dimensions.height = dimensions.width / fluidConfig.ratio;
	                            break;
	                        case 'height':
	                            dimensions.width = dimensions.height * fluidConfig.ratio;
	                            break;
	                    }
	                }

	                var settings = {
	                    mode: 'image',
	                    holderSettings: {
	                        dimensions: dimensions,
	                        theme: flags.theme,
	                        flags: flags
	                    },
	                    el: el,
	                    engineSettings: el.holderData.engineSettings
	                };

	                if (flags.textmode == 'exact') {
	                    flags.exactDimensions = dimensions;
	                    settings.holderSettings.dimensions = flags.dimensions;
	                }

	                render(settings);
	            } else {
	                setInvisible(el);
	            }
	        }
	    }
	}

	/**
	 * Sets up aspect ratio metadata for fluid placeholders, in order to preserve proportions when resizing
	 *
	 * @private
	 * @param el Image DOM element
	 */
	function setInitialDimensions(el) {
	    if (el.holderData) {
	        var dimensions = dimensionCheck(el);
	        if (dimensions) {
	            var flags = el.holderData.flags;

	            var fluidConfig = {
	                fluidHeight: flags.dimensions.height.slice(-1) == '%',
	                fluidWidth: flags.dimensions.width.slice(-1) == '%',
	                mode: null,
	                initialDimensions: dimensions
	            };

	            if (fluidConfig.fluidWidth && !fluidConfig.fluidHeight) {
	                fluidConfig.mode = 'width';
	                fluidConfig.ratio = fluidConfig.initialDimensions.width / parseFloat(flags.dimensions.height);
	            } else if (!fluidConfig.fluidWidth && fluidConfig.fluidHeight) {
	                fluidConfig.mode = 'height';
	                fluidConfig.ratio = parseFloat(flags.dimensions.width) / fluidConfig.initialDimensions.height;
	            }

	            el.holderData.fluidConfig = fluidConfig;
	        } else {
	            setInvisible(el);
	        }
	    }
	}

	/**
	 * Iterates through all current invisible images, and if they're visible, renders them and removes them from further checks. Runs every animation frame.
	 *
	 * @private
	 */
	function visibilityCheck() {
	    var renderableImages = [];
	    var keys = Object.keys(App.vars.invisibleImages);
	    var el;
	    for (var i = 0, l = keys.length; i < l; i++) {
	        el = App.vars.invisibleImages[keys[i]];
	        if (dimensionCheck(el) && el.nodeName.toLowerCase() == 'img') {
	            renderableImages.push(el);
	            delete App.vars.invisibleImages[keys[i]];
	        }
	    }

	    if (renderableImages.length) {
	        Holder.run({
	            images: renderableImages
	        });
	    }

	    global.requestAnimationFrame(visibilityCheck);
	}

	/**
	 * Starts checking for invisible placeholders if not doing so yet. Does nothing otherwise.
	 *
	 * @private
	 */
	function startVisibilityCheck() {
	    if (!App.vars.visibilityCheckStarted) {
	        global.requestAnimationFrame(visibilityCheck);
	        App.vars.visibilityCheckStarted = true;
	    }
	}

	/**
	 * Sets a unique ID for an image detected to be invisible and adds it to the map of invisible images checked by visibilityCheck
	 *
	 * @private
	 * @param el Invisible DOM element
	 */
	function setInvisible(el) {
	    if (!el.holderData.invisibleId) {
	        App.vars.invisibleId += 1;
	        App.vars.invisibleImages['i' + App.vars.invisibleId] = el;
	        el.holderData.invisibleId = App.vars.invisibleId;
	    }
	}

	//todo: see if possible to convert stagingRenderer to use HTML only
	var stagingRenderer = (function() {
	    var svg = null,
	        stagingText = null,
	        stagingTextNode = null;
	    return function(graph) {
	        var rootNode = graph.root;
	        if (App.setup.supportsSVG) {
	            var firstTimeSetup = false;
	            var tnode = function(text) {
	                return document.createTextNode(text);
	            };
	            if (svg == null || svg.parentNode !== document.body) {
	                firstTimeSetup = true;
	            }

	            svg = initSVG(svg, rootNode.properties.width, rootNode.properties.height);
	            //Show staging element before staging
	            svg.style.display = 'block';

	            if (firstTimeSetup) {
	                stagingText = newEl('text', SVG_NS);
	                stagingTextNode = tnode(null);
	                setAttr(stagingText, {
	                    x: 0
	                });
	                stagingText.appendChild(stagingTextNode);
	                svg.appendChild(stagingText);
	                document.body.appendChild(svg);
	                svg.style.visibility = 'hidden';
	                svg.style.position = 'absolute';
	                svg.style.top = '-100%';
	                svg.style.left = '-100%';
	                //todo: workaround for zero-dimension <svg> tag in Opera 12
	                //svg.setAttribute('width', 0);
	                //svg.setAttribute('height', 0);
	            }

	            var holderTextGroup = rootNode.children.holderTextGroup;
	            var htgProps = holderTextGroup.properties;
	            setAttr(stagingText, {
	                'y': htgProps.font.size,
	                'style': utils.cssProps({
	                    'font-weight': htgProps.font.weight,
	                    'font-size': htgProps.font.size + htgProps.font.units,
	                    'font-family': htgProps.font.family
	                })
	            });

	            //Get bounding box for the whole string (total width and height)
	            stagingTextNode.nodeValue = htgProps.text;
	            var stagingTextBBox = stagingText.getBBox();

	            //Get line count and split the string into words
	            var lineCount = Math.ceil(stagingTextBBox.width / (rootNode.properties.width * App.setup.lineWrapRatio));
	            var words = htgProps.text.split(' ');
	            var newlines = htgProps.text.match(/\\n/g);
	            lineCount += newlines == null ? 0 : newlines.length;

	            //Get bounding box for the string with spaces removed
	            stagingTextNode.nodeValue = htgProps.text.replace(/[ ]+/g, '');
	            var computedNoSpaceLength = stagingText.getComputedTextLength();

	            //Compute average space width
	            var diffLength = stagingTextBBox.width - computedNoSpaceLength;
	            var spaceWidth = Math.round(diffLength / Math.max(1, words.length - 1));

	            //Get widths for every word with space only if there is more than one line
	            var wordWidths = [];
	            if (lineCount > 1) {
	                stagingTextNode.nodeValue = '';
	                for (var i = 0; i < words.length; i++) {
	                    if (words[i].length === 0) continue;
	                    stagingTextNode.nodeValue = utils.decodeHtmlEntity(words[i]);
	                    var bbox = stagingText.getBBox();
	                    wordWidths.push({
	                        text: words[i],
	                        width: bbox.width
	                    });
	                }
	            }

	            //Hide staging element after staging
	            svg.style.display = 'none';

	            return {
	                spaceWidth: spaceWidth,
	                lineCount: lineCount,
	                boundingBox: stagingTextBBox,
	                words: wordWidths
	            };
	        } else {
	            //todo: canvas fallback for measuring text on android 2.3
	            return false;
	        }
	    };
	})();

	var sgCanvasRenderer = (function() {
	    var canvas = newEl('canvas');
	    var ctx = null;

	    return function(sceneGraph) {
	        if (ctx == null) {
	            ctx = canvas.getContext('2d');
	        }
	        var root = sceneGraph.root;
	        canvas.width = App.dpr(root.properties.width);
	        canvas.height = App.dpr(root.properties.height);
	        ctx.textBaseline = 'middle';

	        ctx.fillStyle = root.children.holderBg.properties.fill;
	        ctx.fillRect(0, 0, App.dpr(root.children.holderBg.width), App.dpr(root.children.holderBg.height));

	        var textGroup = root.children.holderTextGroup;
	        var tgProps = textGroup.properties;
	        ctx.font = textGroup.properties.font.weight + ' ' + App.dpr(textGroup.properties.font.size) + textGroup.properties.font.units + ' ' + textGroup.properties.font.family + ', monospace';
	        ctx.fillStyle = textGroup.properties.fill;

	        for (var lineKey in textGroup.children) {
	            var line = textGroup.children[lineKey];
	            for (var wordKey in line.children) {
	                var word = line.children[wordKey];
	                var x = App.dpr(textGroup.x + line.x + word.x);
	                var y = App.dpr(textGroup.y + line.y + word.y + (textGroup.properties.leading / 2));

	                ctx.fillText(word.properties.text, x, y);
	            }
	        }

	        return canvas.toDataURL('image/png');
	    };
	})();

	var sgSVGRenderer = (function() {
	    //Prevent IE <9 from initializing SVG renderer
	    if (!global.XMLSerializer) return;
	    var xml = createXML();
	    var svg = initSVG(null, 0, 0);
	    var bgEl = newEl('rect', SVG_NS);
	    svg.appendChild(bgEl);

	    //todo: create a reusable pool for textNodes, resize if more words present

	    return function(sceneGraph, renderSettings) {
	        var root = sceneGraph.root;

	        initSVG(svg, root.properties.width, root.properties.height);

	        var groups = svg.querySelectorAll('g');

	        for (var i = 0; i < groups.length; i++) {
	            groups[i].parentNode.removeChild(groups[i]);
	        }

	        var holderURL = renderSettings.holderSettings.flags.holderURL;
	        var holderId = 'holder_' + (Number(new Date()) + 32768 + (0 | Math.random() * 32768)).toString(16);
	        var sceneGroupEl = newEl('g', SVG_NS);
	        var textGroup = root.children.holderTextGroup;
	        var tgProps = textGroup.properties;
	        var textGroupEl = newEl('g', SVG_NS);
	        var tpdata = textGroup.textPositionData;
	        var textCSSRule = '#' + holderId + ' text { ' +
	            utils.cssProps({
	                'fill': tgProps.fill,
	                'font-weight': tgProps.font.weight,
	                'font-family': tgProps.font.family + ', monospace',
	                'font-size': tgProps.font.size + tgProps.font.units
	            }) + ' } ';
	        var commentNode = xml.createComment('\n' + 'Source URL: ' + holderURL + generatorComment);
	        var holderCSS = xml.createCDATASection(textCSSRule);
	        var styleEl = svg.querySelector('style');

	        setAttr(sceneGroupEl, {
	            id: holderId
	        });

	        svg.insertBefore(commentNode, svg.firstChild);
	        styleEl.appendChild(holderCSS);

	        sceneGroupEl.appendChild(bgEl);
	        sceneGroupEl.appendChild(textGroupEl);
	        svg.appendChild(sceneGroupEl);

	        setAttr(bgEl, {
	            'width': root.children.holderBg.width,
	            'height': root.children.holderBg.height,
	            'fill': root.children.holderBg.properties.fill
	        });

	        textGroup.y += tpdata.boundingBox.height * 0.8;

	        for (var lineKey in textGroup.children) {
	            var line = textGroup.children[lineKey];
	            for (var wordKey in line.children) {
	                var word = line.children[wordKey];
	                var x = textGroup.x + line.x + word.x;
	                var y = textGroup.y + line.y + word.y;

	                var textEl = newEl('text', SVG_NS);
	                var textNode = document.createTextNode(null);

	                setAttr(textEl, {
	                    'x': x,
	                    'y': y
	                });

	                textNode.nodeValue = word.properties.text;
	                textEl.appendChild(textNode);
	                textGroupEl.appendChild(textEl);
	            }
	        }

	        //todo: factor the background check up the chain, perhaps only return reference
	        var svgString = svgStringToDataURI(serializeSVG(svg, renderSettings.engineSettings), renderSettings.mode === 'background');
	        return svgString;
	    };
	})();

	//Helpers

	//todo: move svg-related helpers to a dedicated file

	/**
	 * Converts serialized SVG to a string suitable for data URI use
	 * @param svgString Serialized SVG string
	 * @param [base64] Use base64 encoding for data URI
	 */
	var svgStringToDataURI = function() {
	    var rawPrefix = 'data:image/svg+xml;charset=UTF-8,';
	    var base64Prefix = 'data:image/svg+xml;charset=UTF-8;base64,';

	    return function(svgString, base64) {
	        if (base64) {
	            return base64Prefix + btoa(unescape(encodeURIComponent(svgString)));
	        } else {
	            return rawPrefix + encodeURIComponent(svgString);
	        }
	    };
	}();

	/**
	 * Generic new DOM element function
	 *
	 * @private
	 * @param tag Tag to create
	 * @param namespace Optional namespace value
	 */
	function newEl(tag, namespace) {
	    if (namespace == null) {
	        return document.createElement(tag);
	    } else {
	        return document.createElementNS(namespace, tag);
	    }
	}

	/**
	 * Generic setAttribute function
	 *
	 * @private
	 * @param el Reference to DOM element
	 * @param attrs Object with attribute keys and values
	 */
	function setAttr(el, attrs) {
	    for (var a in attrs) {
	        el.setAttribute(a, attrs[a]);
	    }
	}

	/**
	 * Generic SVG element creation function
	 *
	 * @private
	 * @param svg SVG context, set to null if new
	 * @param width Document width
	 * @param height Document height
	 */
	function initSVG(svg, width, height) {
	    var defs, style;

	    if (svg == null) {
	        svg = newEl('svg', SVG_NS);
	        defs = newEl('defs', SVG_NS);
	        style = newEl('style', SVG_NS);
	        setAttr(style, {
	            'type': 'text/css'
	        });
	        defs.appendChild(style);
	        svg.appendChild(defs);
	    } else {
	        style = svg.querySelector('style');
	    }

	    //IE throws an exception if this is set and Chrome requires it to be set
	    if (svg.webkitMatchesSelector) {
	        svg.setAttribute('xmlns', SVG_NS);
	    }

	    //Remove comment nodes
	    for (var i = 0; i < svg.childNodes.length; i++) {
	        if (svg.childNodes[i].nodeType === NODE_TYPE_COMMENT) {
	            svg.removeChild(svg.childNodes[i]);
	        }
	    }

	    //Remove CSS
	    while (style.childNodes.length) {
	        style.removeChild(style.childNodes[0]);
	    }

	    setAttr(svg, {
	        'width': width,
	        'height': height,
	        'viewBox': '0 0 ' + width + ' ' + height,
	        'preserveAspectRatio': 'none'
	    });

	    return svg;
	}

	/**
	 * Returns serialized SVG with XML processing instructions
	 *
	 * @private
	 * @param svg SVG context
	 * @param stylesheets CSS stylesheets to include
	 */
	function serializeSVG(svg, engineSettings) {
	    if (!global.XMLSerializer) return;
	    var serializer = new XMLSerializer();
	    var svgCSS = '';
	    var stylesheets = engineSettings.stylesheets;

	    //External stylesheets: Processing Instruction method
	    if (engineSettings.svgXMLStylesheet) {
	        var xml = createXML();
	        //Add <?xml-stylesheet ?> directives
	        for (var i = stylesheets.length - 1; i >= 0; i--) {
	            var csspi = xml.createProcessingInstruction('xml-stylesheet', 'href="' + stylesheets[i] + '" rel="stylesheet"');
	            xml.insertBefore(csspi, xml.firstChild);
	        }

	        xml.removeChild(xml.documentElement);
	        svgCSS = serializer.serializeToString(xml);
	    }

	    var svgText = serializer.serializeToString(svg);
	    svgText = svgText.replace(/\&amp;(\#[0-9]{2,}\;)/g, '&$1');
	    return svgCSS + svgText;
	}

	/**
	 * Creates a XML document
	 * @private
	 */
	function createXML() {
	    if (!global.DOMParser) return;
	    return new DOMParser().parseFromString('<xml />', 'application/xml');
	}

	/**
	 * Prevents a function from being called too often, waits until a timer elapses to call it again
	 *
	 * @param fn Function to call
	 */
	function debounce(fn) {
	    if (!App.vars.debounceTimer) fn.call(this);
	    if (App.vars.debounceTimer) global.clearTimeout(App.vars.debounceTimer);
	    App.vars.debounceTimer = global.setTimeout(function() {
	        App.vars.debounceTimer = null;
	        fn.call(this);
	    }, App.setup.debounce);
	}

	/**
	 * Holder-specific resize/orientation change callback, debounced to prevent excessive execution
	 */
	function resizeEvent() {
	    debounce(function() {
	        updateResizableElements(null);
	    });
	}

	//Set up flags

	for (var flag in App.flags) {
	    if (!App.flags.hasOwnProperty(flag)) continue;
	    App.flags[flag].match = function(val) {
	        return val.match(this.regex);
	    };
	}

	//Properties set once on setup

	App.setup = {
	    renderer: 'html',
	    debounce: 100,
	    ratio: 1,
	    supportsCanvas: false,
	    supportsSVG: false,
	    lineWrapRatio: 0.9,
	    renderers: ['html', 'canvas', 'svg']
	};

	App.dpr = function(val) {
	    return val * App.setup.ratio;
	};

	//Properties modified during runtime

	App.vars = {
	    preempted: false,
	    resizableImages: [],
	    invisibleImages: {},
	    invisibleId: 0,
	    visibilityCheckStarted: false,
	    debounceTimer: null,
	    cache: {},
	    dataAttr: 'data-src'
	};

	//Pre-flight

	(function() {
	    var devicePixelRatio = 1,
	        backingStoreRatio = 1;

	    var canvas = newEl('canvas');
	    var ctx = null;

	    if (canvas.getContext) {
	        if (canvas.toDataURL('image/png').indexOf('data:image/png') != -1) {
	            App.setup.renderer = 'canvas';
	            ctx = canvas.getContext('2d');
	            App.setup.supportsCanvas = true;
	        }
	    }

	    if (App.setup.supportsCanvas) {
	        devicePixelRatio = global.devicePixelRatio || 1;
	        backingStoreRatio = ctx.webkitBackingStorePixelRatio || ctx.mozBackingStorePixelRatio || ctx.msBackingStorePixelRatio || ctx.oBackingStorePixelRatio || ctx.backingStorePixelRatio || 1;
	    }

	    App.setup.ratio = devicePixelRatio / backingStoreRatio;

	    if (!!document.createElementNS && !!document.createElementNS(SVG_NS, 'svg').createSVGRect) {
	        App.setup.renderer = 'svg';
	        App.setup.supportsSVG = true;
	    }
	})();

	//Starts checking for invisible placeholders
	startVisibilityCheck();

	if (onDomReady) {
	    onDomReady(function() {
	        if (!App.vars.preempted) {
	            Holder.run();
	        }
	        if (global.addEventListener) {
	            global.addEventListener('resize', resizeEvent, false);
	            global.addEventListener('orientationchange', resizeEvent, false);
	        } else {
	            global.attachEvent('onresize', resizeEvent);
	        }

	        if (typeof global.Turbolinks == 'object') {
	            global.document.addEventListener('page:change', function() {
	                Holder.run();
	            });
	        }
	    });
	}

	module.exports = Holder;

	/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))

/***/ },
/* 1 */
/***/ function(module, exports, __webpack_require__) {

	/*!
	 * onDomReady.js 1.4.0 (c) 2013 Tubal Martin - MIT license
	 *
	 * Specially modified to work with Holder.js
	 */

	function _onDomReady(win) {
	    //Lazy loading fix for Firefox < 3.6
	    //http://webreflection.blogspot.com/2009/11/195-chars-to-help-lazy-loading.html
	    if (document.readyState == null && document.addEventListener) {
	        document.addEventListener("DOMContentLoaded", function DOMContentLoaded() {
	            document.removeEventListener("DOMContentLoaded", DOMContentLoaded, false);
	            document.readyState = "complete";
	        }, false);
	        document.readyState = "loading";
	    }
	    
	    var doc = win.document,
	        docElem = doc.documentElement,
	    
	        LOAD = "load",
	        FALSE = false,
	        ONLOAD = "on"+LOAD,
	        COMPLETE = "complete",
	        READYSTATE = "readyState",
	        ATTACHEVENT = "attachEvent",
	        DETACHEVENT = "detachEvent",
	        ADDEVENTLISTENER = "addEventListener",
	        DOMCONTENTLOADED = "DOMContentLoaded",
	        ONREADYSTATECHANGE = "onreadystatechange",
	        REMOVEEVENTLISTENER = "removeEventListener",
	    
	        // W3C Event model
	        w3c = ADDEVENTLISTENER in doc,
	        _top = FALSE,
	    
	        // isReady: Is the DOM ready to be used? Set to true once it occurs.
	        isReady = FALSE,
	    
	        // Callbacks pending execution until DOM is ready
	        callbacks = [];
	    
	    // Handle when the DOM is ready
	    function ready( fn ) {
	        if ( !isReady ) {
	    
	            // Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).
	            if ( !doc.body ) {
	                return defer( ready );
	            }
	    
	            // Remember that the DOM is ready
	            isReady = true;
	    
	            // Execute all callbacks
	            while ( fn = callbacks.shift() ) {
	                defer( fn );
	            }
	        }
	    }
	    
	    // The ready event handler
	    function completed( event ) {
	        // readyState === "complete" is good enough for us to call the dom ready in oldIE
	        if ( w3c || event.type === LOAD || doc[READYSTATE] === COMPLETE ) {
	            detach();
	            ready();
	        }
	    }
	    
	    // Clean-up method for dom ready events
	    function detach() {
	        if ( w3c ) {
	            doc[REMOVEEVENTLISTENER]( DOMCONTENTLOADED, completed, FALSE );
	            win[REMOVEEVENTLISTENER]( LOAD, completed, FALSE );
	        } else {
	            doc[DETACHEVENT]( ONREADYSTATECHANGE, completed );
	            win[DETACHEVENT]( ONLOAD, completed );
	        }
	    }
	    
	    // Defers a function, scheduling it to run after the current call stack has cleared.
	    function defer( fn, wait ) {
	        // Allow 0 to be passed
	        setTimeout( fn, +wait >= 0 ? wait : 1 );
	    }
	    
	    // Attach the listeners:
	    
	    // Catch cases where onDomReady is called after the browser event has already occurred.
	    // we once tried to use readyState "interactive" here, but it caused issues like the one
	    // discovered by ChrisS here: http://bugs.jquery.com/ticket/12282#comment:15
	    if ( doc[READYSTATE] === COMPLETE ) {
	        // Handle it asynchronously to allow scripts the opportunity to delay ready
	        defer( ready );
	    
	    // Standards-based browsers support DOMContentLoaded
	    } else if ( w3c ) {
	        // Use the handy event callback
	        doc[ADDEVENTLISTENER]( DOMCONTENTLOADED, completed, FALSE );
	    
	        // A fallback to window.onload, that will always work
	        win[ADDEVENTLISTENER]( LOAD, completed, FALSE );
	    
	    // If IE event model is used
	    } else {
	        // Ensure firing before onload, maybe late but safe also for iframes
	        doc[ATTACHEVENT]( ONREADYSTATECHANGE, completed );
	    
	        // A fallback to window.onload, that will always work
	        win[ATTACHEVENT]( ONLOAD, completed );
	    
	        // If IE and not a frame
	        // continually check to see if the document is ready
	        try {
	            _top = win.frameElement == null && docElem;
	        } catch(e) {}
	    
	        if ( _top && _top.doScroll ) {
	            (function doScrollCheck() {
	                if ( !isReady ) {
	                    try {
	                        // Use the trick by Diego Perini
	                        // http://javascript.nwbox.com/IEContentLoaded/
	                        _top.doScroll("left");
	                    } catch(e) {
	                        return defer( doScrollCheck, 50 );
	                    }
	    
	                    // detach all dom ready events
	                    detach();
	    
	                    // and execute any waiting functions
	                    ready();
	                }
	            })();
	        }
	    }
	    
	    function onDomReady( fn ) {
	        // If DOM is ready, execute the function (async), otherwise wait
	        isReady ? defer( fn ) : callbacks.push( fn );
	    }
	    
	    // Add version
	    onDomReady.version = "1.4.0";
	    // Add method to check if DOM is ready
	    onDomReady.isReady = function(){
	        return isReady;
	    };

	    return onDomReady;
	}

	module.exports = typeof window !== "undefined" && _onDomReady(window);

/***/ },
/* 2 */
/***/ function(module, exports, __webpack_require__) {

	var augment = __webpack_require__(5);

	var SceneGraph = function(sceneProperties) {
	    var nodeCount = 1;

	    //todo: move merge to helpers section
	    function merge(parent, child) {
	        for (var prop in child) {
	            parent[prop] = child[prop];
	        }
	        return parent;
	    }

	    var SceneNode = augment.defclass({
	        constructor: function(name) {
	            nodeCount++;
	            this.parent = null;
	            this.children = {};
	            this.id = nodeCount;
	            this.name = 'n' + nodeCount;
	            if (name != null) {
	                this.name = name;
	            }
	            this.x = 0;
	            this.y = 0;
	            this.z = 0;
	            this.width = 0;
	            this.height = 0;
	        },
	        resize: function(width, height) {
	            if (width != null) {
	                this.width = width;
	            }
	            if (height != null) {
	                this.height = height;
	            }
	        },
	        moveTo: function(x, y, z) {
	            this.x = x != null ? x : this.x;
	            this.y = y != null ? y : this.y;
	            this.z = z != null ? z : this.z;
	        },
	        add: function(child) {
	            var name = child.name;
	            if (this.children[name] == null) {
	                this.children[name] = child;
	                child.parent = this;
	            } else {
	                throw 'SceneGraph: child with that name already exists: ' + name;
	            }
	        }
	    });

	    var RootNode = augment(SceneNode, function(uber) {
	        this.constructor = function() {
	            uber.constructor.call(this, 'root');
	            this.properties = sceneProperties;
	        };
	    });

	    var Shape = augment(SceneNode, function(uber) {
	        function constructor(name, props) {
	            uber.constructor.call(this, name);
	            this.properties = {
	                fill: '#000'
	            };
	            if (props != null) {
	                merge(this.properties, props);
	            } else if (name != null && typeof name !== 'string') {
	                throw 'SceneGraph: invalid node name';
	            }
	        }

	        this.Group = augment.extend(this, {
	            constructor: constructor,
	            type: 'group'
	        });

	        this.Rect = augment.extend(this, {
	            constructor: constructor,
	            type: 'rect'
	        });

	        this.Text = augment.extend(this, {
	            constructor: function(text) {
	                constructor.call(this);
	                this.properties.text = text;
	            },
	            type: 'text'
	        });
	    });

	    var root = new RootNode();

	    this.Shape = Shape;
	    this.root = root;

	    return this;
	};

	module.exports = SceneGraph;


/***/ },
/* 3 */
/***/ function(module, exports, __webpack_require__) {

	/* WEBPACK VAR INJECTION */(function(global) {/**
	 * Shallow object clone and merge
	 *
	 * @param a Object A
	 * @param b Object B
	 * @returns {Object} New object with all of A's properties, and all of B's properties, overwriting A's properties
	 */
	exports.extend = function(a, b) {
	    var c = {};
	    for (var x in a) {
	        if (a.hasOwnProperty(x)) {
	            c[x] = a[x];
	        }
	    }
	    if (b != null) {
	        for (var y in b) {
	            if (b.hasOwnProperty(y)) {
	                c[y] = b[y];
	            }
	        }
	    }
	    return c;
	};

	/**
	 * Takes a k/v list of CSS properties and returns a rule
	 *
	 * @param props CSS properties object
	 */
	exports.cssProps = function(props) {
	    var ret = [];
	    for (var p in props) {
	        if (props.hasOwnProperty(p)) {
	            ret.push(p + ':' + props[p]);
	        }
	    }
	    return ret.join(';');
	};

	/**
	 * Encodes HTML entities in a string
	 *
	 * @param str Input string
	 */
	exports.encodeHtmlEntity = function(str) {
	    var buf = [];
	    var charCode = 0;
	    for (var i = str.length - 1; i >= 0; i--) {
	        charCode = str.charCodeAt(i);
	        if (charCode > 128) {
	            buf.unshift(['&#', charCode, ';'].join(''));
	        } else {
	            buf.unshift(str[i]);
	        }
	    }
	    return buf.join('');
	};


	/**
	 * Converts a value into an array of DOM nodes
	 *
	 * @param val A string, a NodeList, a Node, or an HTMLCollection
	 */
	exports.getNodeArray = function(val) {
	    var retval = null;
	    if (typeof(val) == 'string') {
	        retval = document.querySelectorAll(val);
	    } else if (global.NodeList && val instanceof global.NodeList) {
	        retval = val;
	    } else if (global.Node && val instanceof global.Node) {
	        retval = [val];
	    } else if (global.HTMLCollection && val instanceof global.HTMLCollection) {
	        retval = val;
	    } else if (val instanceof Array) {
	        retval = val;
	    } else if (val === null) {
	        retval = [];
	    }
	    return retval;
	};

	/**
	 * Checks if an image exists
	 *
	 * @param src URL of image
	 * @param callback Callback to call once image status has been found
	 */
	exports.imageExists = function(src, callback) {
	    var image = new Image();
	    image.onerror = function() {
	        callback.call(this, false);
	    };
	    image.onload = function() {
	        callback.call(this, true);
	    };
	    image.src = src;
	};

	/**
	 * Decodes HTML entities in a string
	 *
	 * @param str Input string
	 */
	exports.decodeHtmlEntity = function(str) {
	    return str.replace(/&#(\d+);/g, function(match, dec) {
	        return String.fromCharCode(dec);
	    });
	};


	/**
	 * Returns an element's dimensions if it's visible, `false` otherwise.
	 *
	 * @param el DOM element
	 */
	exports.dimensionCheck = function(el) {
	    var dimensions = {
	        height: el.clientHeight,
	        width: el.clientWidth
	    };

	    if (dimensions.height && dimensions.width) {
	        return dimensions;
	    } else {
	        return false;
	    }
	};


	/**
	 * Returns true if value is truthy or if it is "semantically truthy"
	 * @param val
	 */
	exports.truthy = function(val) {
	    if (typeof val === 'string') {
	        return val === 'true' || val === 'yes' || val === '1' || val === 'on' || val === '✓';
	    }
	    return !!val;
	};

	/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))

/***/ },
/* 4 */
/***/ function(module, exports, __webpack_require__) {

	//Modified version of component/querystring
	//Changes: updated dependencies, dot notation parsing, JSHint fixes
	//Fork at https://github.com/imsky/querystring

	/**
	 * Module dependencies.
	 */

	var encode = encodeURIComponent;
	var decode = decodeURIComponent;
	var trim = __webpack_require__(6);
	var type = __webpack_require__(7);

	var arrayRegex = /(\w+)\[(\d+)\]/;
	var objectRegex = /\w+\.\w+/;

	/**
	 * Parse the given query `str`.
	 *
	 * @param {String} str
	 * @return {Object}
	 * @api public
	 */

	exports.parse = function(str){
	  if ('string' !== typeof str) return {};

	  str = trim(str);
	  if ('' === str) return {};
	  if ('?' === str.charAt(0)) str = str.slice(1);

	  var obj = {};
	  var pairs = str.split('&');
	  for (var i = 0; i < pairs.length; i++) {
	    var parts = pairs[i].split('=');
	    var key = decode(parts[0]);
	    var m, ctx, prop;

	    if (m = arrayRegex.exec(key)) {
	      obj[m[1]] = obj[m[1]] || [];
	      obj[m[1]][m[2]] = decode(parts[1]);
	      continue;
	    }

	    if (m = objectRegex.test(key)) {
	      m = key.split('.');
	      ctx = obj;
	      
	      while (m.length) {
	        prop = m.shift();

	        if (!prop.length) continue;

	        if (!ctx[prop]) {
	          ctx[prop] = {};
	        } else if (ctx[prop] && typeof ctx[prop] !== 'object') {
	          break;
	        }

	        if (!m.length) {
	          ctx[prop] = decode(parts[1]);
	        }

	        ctx = ctx[prop];
	      }

	      continue;
	    }

	    obj[parts[0]] = null == parts[1] ? '' : decode(parts[1]);
	  }

	  return obj;
	};

	/**
	 * Stringify the given `obj`.
	 *
	 * @param {Object} obj
	 * @return {String}
	 * @api public
	 */

	exports.stringify = function(obj){
	  if (!obj) return '';
	  var pairs = [];

	  for (var key in obj) {
	    var value = obj[key];

	    if ('array' == type(value)) {
	      for (var i = 0; i < value.length; ++i) {
	        pairs.push(encode(key + '[' + i + ']') + '=' + encode(value[i]));
	      }
	      continue;
	    }

	    pairs.push(encode(key) + '=' + encode(obj[key]));
	  }

	  return pairs.join('&');
	};


/***/ },
/* 5 */
/***/ function(module, exports, __webpack_require__) {

	var Factory = function () {};
	var slice = Array.prototype.slice;

	var augment = function (base, body) {
		var uber = Factory.prototype = typeof base === "function" ? base.prototype : base;
		var prototype = new Factory(), properties = body.apply(prototype, slice.call(arguments, 2).concat(uber));
		if (typeof properties === "object") for (var key in properties) prototype[key] = properties[key];
		if (!prototype.hasOwnProperty("constructor")) return prototype;
		var constructor = prototype.constructor;
		constructor.prototype = prototype;
		return constructor;
	};

	augment.defclass = function (prototype) {
		var constructor = prototype.constructor;
		constructor.prototype = prototype;
		return constructor;
	};

	augment.extend = function (base, body) {
		return augment(base, function (uber) {
			this.uber = uber;
			return body;
		});
	};

	module.exports = augment;

/***/ },
/* 6 */
/***/ function(module, exports, __webpack_require__) {

	
	exports = module.exports = trim;

	function trim(str){
	  return str.replace(/^\s*|\s*$/g, '');
	}

	exports.left = function(str){
	  return str.replace(/^\s*/, '');
	};

	exports.right = function(str){
	  return str.replace(/\s*$/, '');
	};


/***/ },
/* 7 */
/***/ function(module, exports, __webpack_require__) {

	/**
	 * toString ref.
	 */

	var toString = Object.prototype.toString;

	/**
	 * Return the type of `val`.
	 *
	 * @param {Mixed} val
	 * @return {String}
	 * @api public
	 */

	module.exports = function(val){
	  switch (toString.call(val)) {
	    case '[object Date]': return 'date';
	    case '[object RegExp]': return 'regexp';
	    case '[object Arguments]': return 'arguments';
	    case '[object Array]': return 'array';
	    case '[object Error]': return 'error';
	  }

	  if (val === null) return 'null';
	  if (val === undefined) return 'undefined';
	  if (val !== val) return 'nan';
	  if (val && val.nodeType === 1) return 'element';

	  val = val.valueOf
	    ? val.valueOf()
	    : Object.prototype.valueOf.apply(val)

	  return typeof val;
	};


/***/ }
/******/ ])
});
;
(function(ctx, isMeteorPackage) {
    if (isMeteorPackage) {
        Holder = ctx.Holder;
    }
})(this, typeof Meteor !== 'undefined' && typeof Package !== 'undefined');
