text: /*!
   * Modernizr v2.8.3
   * www.modernizr.com
   *
   * Copyright (c) Faruk Ates, Paul Irish, Alex Sexton
   * Available under the BSD and MIT licenses: www.modernizr.com/license/
   */
  
  /*
   * Modernizr tests which native CSS3 and HTML5 features are available in
   * the current UA and makes the results available to you in two ways:
   * as properties on a global Modernizr object, and as classes on the
   * <html> element. This information allows you to progressively enhance
   * your pages with a granular level of control over the experience.
   *
   * Modernizr has an optional (not included) conditional resource loader
   * called Modernizr.load(), based on Yepnope.js (yepnopejs.com).
   * To get a build that includes Modernizr.load(), as well as choosing
   * which tests to include, go to www.modernizr.com/download/
   *
   * Authors        Faruk Ates, Paul Irish, Alex Sexton
   * Contributors   Ryan Seddon, Ben Alman
   */
  
  window.Modernizr = (function( window, document, undefined ) {
  
      var version = '2.8.3',
  
      Modernizr = {},
  
      /*>>cssclasses*/
      // option for enabling the HTML classes to be added
      enableClasses = true,
      /*>>cssclasses*/
  
      docElement = document.documentElement,
  
      /**
       * Create our "modernizr" element that we do most feature tests on.
       */
      mod = 'modernizr',
      modElem = document.createElement(mod),
      mStyle = modElem.style,
  
      /**
       * Create the input element for various Web Forms feature tests.
       */
      inputElem /*>>inputelem*/ = document.createElement('input') /*>>inputelem*/ ,
  
      /*>>smile*/
      smile = ':)',
      /*>>smile*/
  
      toString = {}.toString,
  
      // TODO :: make the prefixes more granular
      /*>>prefixes*/
      // List of property values to set for css tests. See ticket #21
      prefixes = ' -webkit- -moz- -o- -ms- '.split(' '),
      /*>>prefixes*/
  
      /*>>domprefixes*/
      // Following spec is to expose vendor-specific style properties as:
      //   elem.style.WebkitBorderRadius
      // and the following would be incorrect:
      //   elem.style.webkitBorderRadius
  
      // Webkit ghosts their properties in lowercase but Opera & Moz do not.
      // Microsoft uses a lowercase `ms` instead of the correct `Ms` in IE8+
      //   erik.eae.net/archives/2008/03/10/21.48.10/
  
      // More here: github.com/Modernizr/Modernizr/issues/issue/21
      omPrefixes = 'Webkit Moz O ms',
  
      cssomPrefixes = omPrefixes.split(' '),
  
      domPrefixes = omPrefixes.toLowerCase().split(' '),
      /*>>domprefixes*/
  
      /*>>ns*/
      ns = {'svg': 'http://www.w3.org/2000/svg'},
      /*>>ns*/
  
      tests = {},
      inputs = {},
      attrs = {},
  
      classes = [],
  
      slice = classes.slice,
  
      featureName, // used in testing loop
  
  
      /*>>teststyles*/
      // Inject element with style element and some CSS rules
      injectElementWithStyles = function( rule, callback, nodes, testnames ) {
  
        var style, ret, node, docOverflow,
            div = document.createElement('div'),
            // After page load injecting a fake body doesn't work so check if body exists
            body = document.body,
            // IE6 and 7 won't return offsetWidth or offsetHeight unless it's in the body element, so we fake it.
            fakeBody = body || document.createElement('body');
  
        if ( parseInt(nodes, 10) ) {
            // In order not to give false positives we create a node for each test
            // This also allows the method to scale for unspecified uses
            while ( nodes-- ) {
                node = document.createElement('div');
                node.id = testnames ? testnames[nodes] : mod + (nodes + 1);
                div.appendChild(node);
            }
        }
  
        // <style> elements in IE6-9 are considered 'NoScope' elements and therefore will be removed
        // when injected with innerHTML. To get around this you need to prepend the 'NoScope' element
        // with a 'scoped' element, in our case the soft-hyphen entity as it won't mess with our measurements.
        // msdn.microsoft.com/en-us/library/ms533897%28VS.85%29.aspx
        // Documents served as xml will throw if using &shy; so use xml friendly encoded version. See issue #277
        style = ['&#173;','<style id="s', mod, '">', rule, '</style>'].join('');
        div.id = mod;
        // IE6 will false positive on some tests due to the style element inside the test div somehow interfering offsetHeight, so insert it into body or fakebody.
        // Opera will act all quirky when injecting elements in documentElement when page is served as xml, needs fakebody too. #270
        (body ? div : fakeBody).innerHTML += style;
        fakeBody.appendChild(div);
        if ( !body ) {
            //avoid crashing IE8, if background image is used
            fakeBody.style.background = '';
            //Safari 5.13/5.1.4 OSX stops loading if ::-webkit-scrollbar is used and scrollbars are visible
            fakeBody.style.overflow = 'hidden';
            docOverflow = docElement.style.overflow;
            docElement.style.overflow = 'hidden';
            docElement.appendChild(fakeBody);
        }
  
        ret = callback(div, rule);
        // If this is done after page load we don't want to remove the body so check if body exists
        if ( !body ) {
            fakeBody.parentNode.removeChild(fakeBody);
            docElement.style.overflow = docOverflow;
        } else {
            div.parentNode.removeChild(div);
        }
  
        return !!ret;
  
      },
      /*>>teststyles*/
  
      /*>>mq*/
      // adapted from matchMedia polyfill
      // by Scott Jehl and Paul Irish
      // gist.github.com/786768
      testMediaQuery = function( mq ) {
  
        var matchMedia = window.matchMedia || window.msMatchMedia;
        if ( matchMedia ) {
          return matchMedia(mq) && matchMedia(mq).matches || false;
        }
  
        var bool;
  
        injectElementWithStyles('@media ' + mq + ' { #' + mod + ' { position: absolute; } }', function( node ) {
          bool = (window.getComputedStyle ?
                    getComputedStyle(node, null) :
                    node.currentStyle)['position'] == 'absolute';
        });
  
        return bool;
  
       },
       /*>>mq*/
  
  
      /*>>hasevent*/
      //
      // isEventSupported determines if a given element supports the given event
      // kangax.github.com/iseventsupported/
      //
      // The following results are known incorrects:
      //   Modernizr.hasEvent("webkitTransitionEnd", elem) // false negative
      //   Modernizr.hasEvent("textInput") // in Webkit. github.com/Modernizr/Modernizr/issues/333
      //   ...
      isEventSupported = (function() {
  
        var TAGNAMES = {
          'select': 'input', 'change': 'input',
          'submit': 'form', 'reset': 'form',
          'error': 'img', 'load': 'img', 'abort': 'img'
        };
  
        function isEventSupported( eventName, element ) {
  
          element = element || document.createElement(TAGNAMES[eventName] || 'div');
          eventName = 'on' + eventName;
  
          // When using `setAttribute`, IE skips "unload", WebKit skips "unload" and "resize", whereas `in` "catches" those
          var isSupported = eventName in element;
  
          if ( !isSupported ) {
            // If it has no `setAttribute` (i.e. doesn't implement Node interface), try generic element
            if ( !element.setAttribute ) {
              element = document.createElement('div');
            }
            if ( element.setAttribute && element.removeAttribute ) {
              element.setAttribute(eventName, '');
              isSupported = is(element[eventName], 'function');
  
              // If property was created, "remove it" (by setting value to `undefined`)
              if ( !is(element[eventName], 'undefined') ) {
                element[eventName] = undefined;
              }
              element.removeAttribute(eventName);
            }
          }
  
          element = null;
          return isSupported;
        }
        return isEventSupported;
      })(),
      /*>>hasevent*/
  
      // TODO :: Add flag for hasownprop ? didn't last time
  
      // hasOwnProperty shim by kangax needed for Safari 2.0 support
      _hasOwnProperty = ({}).hasOwnProperty, hasOwnProp;
  
      if ( !is(_hasOwnProperty, 'undefined') && !is(_hasOwnProperty.call, 'undefined') ) {
        hasOwnProp = function (object, property) {
          return _hasOwnProperty.call(object, property);
        };
      }
      else {
        hasOwnProp = function (object, property) { /* yes, this can give false positives/negatives, but most of the time we don't care about those */
          return ((property in object) && is(object.constructor.prototype[property], 'undefined'));
        };
      }
  
      // Adapted from ES5-shim https://github.com/kriskowal/es5-shim/blob/master/es5-shim.js
      // es5.github.com/#x15.3.4.5
  
      if (!Function.prototype.bind) {
        Function.prototype.bind = function bind(that) {
  
          var target = this;
  
          if (typeof target != "function") {
              throw new TypeError();
          }
  
          var args = slice.call(arguments, 1),
              bound = function () {
  
              if (this instanceof bound) {
  
                var F = function(){};
                F.prototype = target.prototype;
                var self = new F();
  
                var result = target.apply(
                    self,
                    args.concat(slice.call(arguments))
                );
                if (Object(result) === result) {
                    return result;
                }
                return self;
  
              } else {
  
                return target.apply(
                    that,
                    args.concat(slice.call(arguments))
                );
  
              }
  
          };
  
          return bound;
        };
      }
  
      /**
       * setCss applies given styles to the Modernizr DOM node.
       */
      function setCss( str ) {
          mStyle.cssText = str;
      }
  
      /**
       * setCssAll extrapolates all vendor-specific css strings.
       */
      function setCssAll( str1, str2 ) {
          return setCss(prefixes.join(str1 + ';') + ( str2 || '' ));
      }
  
      /**
       * is returns a boolean for if typeof obj is exactly type.
       */
      function is( obj, type ) {
          return typeof obj === type;
      }
  
      /**
       * contains returns a boolean for if substr is found within str.
       */
      function contains( str, substr ) {
          return !!~('' + str).indexOf(substr);
      }
  
      /*>>testprop*/
  
      // testProps is a generic CSS / DOM property test.
  
      // In testing support for a given CSS property, it's legit to test:
      //    `elem.style[styleName] !== undefined`
      // If the property is supported it will return an empty string,
      // if unsupported it will return undefined.
  
      // We'll take advantage of this quick test and skip setting a style
      // on our modernizr element, but instead just testing undefined vs
      // empty string.
  
      // Because the testing of the CSS property names (with "-", as
      // opposed to the camelCase DOM properties) is non-portable and
      // non-standard but works in WebKit and IE (but not Gecko or Opera),
      // we explicitly reject properties with dashes so that authors
      // developing in WebKit or IE first don't end up with
      // browser-specific content by accident.
  
      function testProps( props, prefixed ) {
          for ( var i in props ) {
              var prop = props[i];
              if ( !contains(prop, "-") && mStyle[prop] !== undefined ) {
                  return prefixed == 'pfx' ? prop : true;
              }
          }
          return false;
      }
      /*>>testprop*/
  
      // TODO :: add testDOMProps
      /**
       * testDOMProps is a generic DOM property test; if a browser supports
       *   a certain property, it won't return undefined for it.
       */
      function testDOMProps( props, obj, elem ) {
          for ( var i in props ) {
              var item = obj[props[i]];
              if ( item !== undefined) {
  
                  // return the property name as a string
                  if (elem === false) return props[i];
  
                  // let's bind a function
                  if (is(item, 'function')){
                    // default to autobind unless override
                    return item.bind(elem || obj);
                  }
  
                  // return the unbound function or obj or value
                  return item;
              }
          }
          return false;
      }
  
      /*>>testallprops*/
      /**
       * testPropsAll tests a list of DOM properties we want to check against.
       *   We specify literally ALL possible (known and/or likely) properties on
       *   the element including the non-vendor prefixed one, for forward-
       *   compatibility.
       */
      function testPropsAll( prop, prefixed, elem ) {
  
          var ucProp  = prop.charAt(0).toUpperCase() + prop.slice(1),
              props   = (prop + ' ' + cssomPrefixes.join(ucProp + ' ') + ucProp).split(' ');
  
          // did they call .prefixed('boxSizing') or are we just testing a prop?
          if(is(prefixed, "string") || is(prefixed, "undefined")) {
            return testProps(props, prefixed);
  
          // otherwise, they called .prefixed('requestAnimationFrame', window[, elem])
          } else {
            props = (prop + ' ' + (domPrefixes).join(ucProp + ' ') + ucProp).split(' ');
            return testDOMProps(props, prefixed, elem);
          }
      }
      /*>>testallprops*/
  
  
      /**
       * Tests
       * -----
       */
  
      // The *new* flexbox
      // dev.w3.org/csswg/css3-flexbox
  
      tests['flexbox'] = function() {
        return testPropsAll('flexWrap');
      };
  
      // The *old* flexbox
      // www.w3.org/TR/2009/WD-css3-flexbox-20090723/
  
      tests['flexboxlegacy'] = function() {
          return testPropsAll('boxDirection');
      };
  
      // On the S60 and BB Storm, getContext exists, but always returns undefined
      // so we actually have to call getContext() to verify
      // github.com/Modernizr/Modernizr/issues/issue/97/
  
      tests['canvas'] = function() {
          var elem = document.createElement('canvas');
          return !!(elem.getContext && elem.getContext('2d'));
      };
  
      tests['canvastext'] = function() {
          return !!(Modernizr['canvas'] && is(document.createElement('canvas').getContext('2d').fillText, 'function'));
      };
  
      // webk.it/70117 is tracking a legit WebGL feature detect proposal
  
      // We do a soft detect which may false positive in order to avoid
      // an expensive context creation: bugzil.la/732441
  
      tests['webgl'] = function() {
          return !!window.WebGLRenderingContext;
      };
  
      /*
       * The Modernizr.touch test only indicates if the browser supports
       *    touch events, which does not necessarily reflect a touchscreen
       *    device, as evidenced by tablets running Windows 7 or, alas,
       *    the Palm Pre / WebOS (touch) phones.
       *
       * Additionally, Chrome (desktop) used to lie about its support on this,
       *    but that has since been rectified: crbug.com/36415
       *
       * We also test for Firefox 4 Multitouch Support.
       *
       * For more info, see: modernizr.github.com/Modernizr/touch.html
       */
  
      tests['touch'] = function() {
          var bool;
  
          if(('ontouchstart' in window) || window.DocumentTouch && document instanceof DocumentTouch) {
            bool = true;
          } else {
            injectElementWithStyles(['@media (',prefixes.join('touch-enabled),('),mod,')','{#modernizr{top:9px;position:absolute}}'].join(''), function( node ) {
              bool = node.offsetTop === 9;
            });
          }
  
          return bool;
      };
  
  
      // geolocation is often considered a trivial feature detect...
      // Turns out, it's quite tricky to get right:
      //
      // Using !!navigator.geolocation does two things we don't want. It:
      //   1. Leaks memory in IE9: github.com/Modernizr/Modernizr/issues/513
      //   2. Disables page caching in WebKit: webk.it/43956
      //
      // Meanwhile, in Firefox < 8, an about:config setting could expose
      // a false positive that would throw an exception: bugzil.la/688158
  
      tests['geolocation'] = function() {
          return 'geolocation' in navigator;
      };
  
  
      tests['postmessage'] = function() {
        return !!window.postMessage;
      };
  
  
      // Chrome incognito mode used to throw an exception when using openDatabase
      // It doesn't anymore.
      tests['websqldatabase'] = function() {
        return !!window.openDatabase;
      };
  
      // Vendors had inconsistent prefixing with the experimental Indexed DB:
      // - Webkit's implementation is accessible through webkitIndexedDB
      // - Firefox shipped moz_indexedDB before FF4b9, but since then has been mozIndexedDB
      // For speed, we don't test the legacy (and beta-only) indexedDB
      tests['indexedDB'] = function() {
        return !!testPropsAll("indexedDB", window);
      };
  
      // documentMode logic from YUI to filter out IE8 Compat Mode
      //   which false positives.
      tests['hashchange'] = function() {
        return isEventSupported('hashchange', window) && (document.documentMode === undefined || document.documentMode > 7);
      };
  
      // Per 1.6:
      // This used to be Modernizr.historymanagement but the longer
      // name has been deprecated in favor of a shorter and property-matching one.
      // The old API is still available in 1.6, but as of 2.0 will throw a warning,
      // and in the first release thereafter disappear entirely.
      tests['history'] = function() {
        return !!(window.history && history.pushState);
      };
  
      tests['draganddrop'] = function() {
          var div = document.createElement('div');
          return ('draggable' in div) || ('ondragstart' in div && 'ondrop' in div);
      };
  
      // FF3.6 was EOL'ed on 4/24/12, but the ESR version of FF10
      // will be supported until FF19 (2/12/13), at which time, ESR becomes FF17.
      // FF10 still uses prefixes, so check for it until then.
      // for more ESR info, see: mozilla.org/en-US/firefox/organizations/faq/
      tests['websockets'] = function() {
          return 'WebSocket' in window || 'MozWebSocket' in window;
      };
  
  
      // css-tricks.com/rgba-browser-support/
      tests['rgba'] = function() {
          // Set an rgba() color and check the returned value
  
          setCss('background-color:rgba(150,255,150,.5)');
  
          return contains(mStyle.backgroundColor, 'rgba');
      };
  
      tests['hsla'] = function() {
          // Same as rgba(), in fact, browsers re-map hsla() to rgba() internally,
          //   except IE9 who retains it as hsla
  
          setCss('background-color:hsla(120,40%,100%,.5)');
  
          return contains(mStyle.backgroundColor, 'rgba') || contains(mStyle.backgroundColor, 'hsla');
      };
  
      tests['multiplebgs'] = function() {
          // Setting multiple images AND a color on the background shorthand property
          //  and then querying the style.background property value for the number of
          //  occurrences of "url(" is a reliable method for detecting ACTUAL support for this!
  
          setCss('background:url(https://),url(https://),red url(https://)');
  
          // If the UA supports multiple backgrounds, there should be three occurrences
          //   of the string "url(" in the return value for elemStyle.background
  
          return (/(url\s*\(.*?){3}/).test(mStyle.background);
      };
  
  
  
      // this will false positive in Opera Mini
      //   github.com/Modernizr/Modernizr/issues/396
  
      tests['backgroundsize'] = function() {
          return testPropsAll('backgroundSize');
      };
  
      tests['borderimage'] = function() {
          return testPropsAll('borderImage');
      };
  
  
      // Super comprehensive table about all the unique implementations of
      // border-radius: muddledramblings.com/table-of-css3-border-radius-compliance
  
      tests['borderradius'] = function() {
          return testPropsAll('borderRadius');
      };
  
      // WebOS unfortunately false positives on this test.
      tests['boxshadow'] = function() {
          return testPropsAll('boxShadow');
      };
  
      // FF3.0 will false positive on this test
      tests['textshadow'] = function() {
          return document.createElement('div').style.textShadow === '';
      };
  
  
      tests['opacity'] = function() {
          // Browsers that actually have CSS Opacity implemented have done so
          //  according to spec, which means their return values are within the
          //  range of [0.0,1.0] - including the leading zero.
  
          setCssAll('opacity:.55');
  
          // The non-literal . in this regex is intentional:
          //   German Chrome returns this value as 0,55
          // github.com/Modernizr/Modernizr/issues/#issue/59/comment/516632
          return (/^0.55$/).test(mStyle.opacity);
      };
  
  
      // Note, Android < 4 will pass this test, but can only animate
      //   a single property at a time
      //   goo.gl/v3V4Gp
      tests['cssanimations'] = function() {
          return testPropsAll('animationName');
      };
  
  
      tests['csscolumns'] = function() {
          return testPropsAll('columnCount');
      };
  
  
      tests['cssgradients'] = function() {
          /**
           * For CSS Gradients syntax, please see:
           * webkit.org/blog/175/introducing-css-gradients/
           * developer.mozilla.org/en/CSS/-moz-linear-gradient
           * developer.mozilla.org/en/CSS/-moz-radial-gradient
           * dev.w3.org/csswg/css3-images/#gradients-
           */
  
          var str1 = 'background-image:',
              str2 = 'gradient(linear,left top,right bottom,from(#9f9),to(white));',
              str3 = 'linear-gradient(left top,#9f9, white);';
  
          setCss(
               // legacy webkit syntax (FIXME: remove when syntax not in use anymore)
                (str1 + '-webkit- '.split(' ').join(str2 + str1) +
               // standard syntax             // trailing 'background-image:'
                prefixes.join(str3 + str1)).slice(0, -str1.length)
          );
  
          return contains(mStyle.backgroundImage, 'gradient');
      };
  
  
      tests['cssreflections'] = function() {
          return testPropsAll('boxReflect');
      };
  
  
      tests['csstransforms'] = function() {
          return !!testPropsAll('transform');
      };
  
  
      tests['csstransforms3d'] = function() {
  
          var ret = !!testPropsAll('perspective');
  
          // Webkit's 3D transforms are passed off to the browser's own graphics renderer.
          //   It works fine in Safari on Leopard and Snow Leopard, but not in Chrome in
          //   some conditions. As a result, Webkit typically recognizes the syntax but
          //   will sometimes throw a false positive, thus we must do a more thorough check:
          if ( ret && 'webkitPerspective' in docElement.style ) {
  
            // Webkit allows this media query to succeed only if the feature is enabled.
            // `@media (transform-3d),(-webkit-transform-3d){ ... }`
            injectElementWithStyles('@media (transform-3d),(-webkit-transform-3d){#modernizr{left:9px;position:absolute;height:3px;}}', function( node, rule ) {
              ret = node.offsetLeft === 9 && node.offsetHeight === 3;
            });
          }
          return ret;
      };
  
  
      tests['csstransitions'] = function() {
          return testPropsAll('transition');
      };
  
  
      /*>>fontface*/
      // @font-face detection routine by Diego Perini
      // javascript.nwbox.com/CSSSupport/
  
      // false positives:
      //   WebOS github.com/Modernizr/Modernizr/issues/342
      //   WP7   github.com/Modernizr/Modernizr/issues/538
      tests['fontface'] = function() {
          var bool;
  
          injectElementWithStyles('@font-face {font-family:"font";src:url("https://")}', function( node, rule ) {
            var style = document.getElementById('smodernizr'),
                sheet = style.sheet || style.styleSheet,
                cssText = sheet ? (sheet.cssRules && sheet.cssRules[0] ? sheet.cssRules[0].cssText : sheet.cssText || '') : '';
  
            bool = /src/i.test(cssText) && cssText.indexOf(rule.split(' ')[0]) === 0;
          });
  
          return bool;
      };
      /*>>fontface*/
  
      // CSS generated content detection
      tests['generatedcontent'] = function() {
          var bool;
  
          injectElementWithStyles(['#',mod,'{font:0/0 a}#',mod,':after{content:"',smile,'";visibility:hidden;font:3px/1 a}'].join(''), function( node ) {
            bool = node.offsetHeight >= 3;
          });
  
          return bool;
      };
  
  
  
      // These tests evaluate support of the video/audio elements, as well as
      // testing what types of content they support.
      //
      // We're using the Boolean constructor here, so that we can extend the value
      // e.g.  Modernizr.video     // true
      //       Modernizr.video.ogg // 'probably'
      //
      // Codec values from : github.com/NielsLeenheer/html5test/blob/9106a8/index.html#L845
      //                     thx to NielsLeenheer and zcorpan
  
      // Note: in some older browsers, "no" was a return value instead of empty string.
      //   It was live in FF3.5.0 and 3.5.1, but fixed in 3.5.2
      //   It was also live in Safari 4.0.0 - 4.0.4, but fixed in 4.0.5
  
      tests['video'] = function() {
          var elem = document.createElement('video'),
              bool = false;
  
          // IE9 Running on Windows Server SKU can cause an exception to be thrown, bug #224
          try {
              if ( bool = !!elem.canPlayType ) {
                  bool      = new Boolean(bool);
                  bool.ogg  = elem.canPlayType('video/ogg; codecs="theora"')      .replace(/^no$/,'');
  
                  // Without QuickTime, this value will be `undefined`. github.com/Modernizr/Modernizr/issues/546
                  bool.h264 = elem.canPlayType('video/mp4; codecs="avc1.42E01E"') .replace(/^no$/,'');
  
                  bool.webm = elem.canPlayType('video/webm; codecs="vp8, vorbis"').replace(/^no$/,'');
              }
  
          } catch(e) { }
  
          return bool;
      };
  
      tests['audio'] = function() {
          var elem = document.createElement('audio'),
              bool = false;
  
          try {
              if ( bool = !!elem.canPlayType ) {
                  bool      = new Boolean(bool);
                  bool.ogg  = elem.canPlayType('audio/ogg; codecs="vorbis"').replace(/^no$/,'');
                  bool.mp3  = elem.canPlayType('audio/mpeg;')               .replace(/^no$/,'');
  
                  // Mimetypes accepted:
                  //   developer.mozilla.org/En/Media_formats_supported_by_the_audio_and_video_elements
                  //   bit.ly/iphoneoscodecs
                  bool.wav  = elem.canPlayType('audio/wav; codecs="1"')     .replace(/^no$/,'');
                  bool.m4a  = ( elem.canPlayType('audio/x-m4a;')            ||
                                elem.canPlayType('audio/aac;'))             .replace(/^no$/,'');
              }
          } catch(e) { }
  
          return bool;
      };
  
  
      // In FF4, if disabled, window.localStorage should === null.
  
      // Normally, we could not test that directly and need to do a
      //   `('localStorage' in window) && ` test first because otherwise Firefox will
      //   throw bugzil.la/365772 if cookies are disabled
  
      // Also in iOS5 Private Browsing mode, attempting to use localStorage.setItem
      // will throw the exception:
      //   QUOTA_EXCEEDED_ERRROR DOM Exception 22.
      // Peculiarly, getItem and removeItem calls do not throw.
  
      // Because we are forced to try/catch this, we'll go aggressive.
  
      // Just FWIW: IE8 Compat mode supports these features completely:
      //   www.quirksmode.org/dom/html5.html
      // But IE8 doesn't support either with local files
  
      tests['localstorage'] = function() {
          try {
              localStorage.setItem(mod, mod);
              localStorage.removeItem(mod);
              return true;
          } catch(e) {
              return false;
          }
      };
  
      tests['sessionstorage'] = function() {
          try {
              sessionStorage.setItem(mod, mod);
              sessionStorage.removeItem(mod);
              return true;
          } catch(e) {
              return false;
          }
      };
  
  
      tests['webworkers'] = function() {
          return !!window.Worker;
      };
  
  
      tests['applicationcache'] = function() {
          return !!window.applicationCache;
      };
  
  
      // Thanks to Erik Dahlstrom
      tests['svg'] = function() {
          return !!document.createElementNS && !!document.createElementNS(ns.svg, 'svg').createSVGRect;
      };
  
      // specifically for SVG inline in HTML, not within XHTML
      // test page: paulirish.com/demo/inline-svg
      tests['inlinesvg'] = function() {
        var div = document.createElement('div');
        div.innerHTML = '<svg/>';
        return (div.firstChild && div.firstChild.namespaceURI) == ns.svg;
      };
  
      // SVG SMIL animation
      tests['smil'] = function() {
          return !!document.createElementNS && /SVGAnimate/.test(toString.call(document.createElementNS(ns.svg, 'animate')));
      };
  
      // This test is only for clip paths in SVG proper, not clip paths on HTML content
      // demo: srufaculty.sru.edu/david.dailey/svg/newstuff/clipPath4.svg
  
      // However read the comments to dig into applying SVG clippaths to HTML content here:
      //   github.com/Modernizr/Modernizr/issues/213#issuecomment-1149491
      tests['svgclippaths'] = function() {
          return !!document.createElementNS && /SVGClipPath/.test(toString.call(document.createElementNS(ns.svg, 'clipPath')));
      };
  
      /*>>webforms*/
      // input features and input types go directly onto the ret object, bypassing the tests loop.
      // Hold this guy to execute in a moment.
      function webforms() {
          /*>>input*/
          // Run through HTML5's new input attributes to see if the UA understands any.
          // We're using f which is the <input> element created early on
          // Mike Taylr has created a comprehensive resource for testing these attributes
          //   when applied to all input types:
          //   miketaylr.com/code/input-type-attr.html
          // spec: www.whatwg.org/specs/web-apps/current-work/multipage/the-input-element.html#input-type-attr-summary
  
          // Only input placeholder is tested while textarea's placeholder is not.
          // Currently Safari 4 and Opera 11 have support only for the input placeholder
          // Both tests are available in feature-detects/forms-placeholder.js
          Modernizr['input'] = (function( props ) {
              for ( var i = 0, len = props.length; i < len; i++ ) {
                  attrs[ props[i] ] = !!(props[i] in inputElem);
              }
              if (attrs.list){
                // safari false positive's on datalist: webk.it/74252
                // see also github.com/Modernizr/Modernizr/issues/146
                attrs.list = !!(document.createElement('datalist') && window.HTMLDataListElement);
              }
              return attrs;
          })('autocomplete autofocus list placeholder max min multiple pattern required step'.split(' '));
          /*>>input*/
  
          /*>>inputtypes*/
          // Run through HTML5's new input types to see if the UA understands any.
          //   This is put behind the tests runloop because it doesn't return a
          //   true/false like all the other tests; instead, it returns an object
          //   containing each input type with its corresponding true/false value
  
          // Big thanks to @miketaylr for the html5 forms expertise. miketaylr.com/
          Modernizr['inputtypes'] = (function(props) {
  
              for ( var i = 0, bool, inputElemType, defaultView, len = props.length; i < len; i++ ) {
  
                  inputElem.setAttribute('type', inputElemType = props[i]);
                  bool = inputElem.type !== 'text';
  
                  // We first check to see if the type we give it sticks..
                  // If the type does, we feed it a textual value, which shouldn't be valid.
                  // If the value doesn't stick, we know there's input sanitization which infers a custom UI
                  if ( bool ) {
  
                      inputElem.value         = smile;
                      inputElem.style.cssText = 'position:absolute;visibility:hidden;';
  
                      if ( /^range$/.test(inputElemType) && inputElem.style.WebkitAppearance !== undefined ) {
  
                        docElement.appendChild(inputElem);
                        defaultView = document.defaultView;
  
                        // Safari 2-4 allows the smiley as a value, despite making a slider
                        bool =  defaultView.getComputedStyle &&
                                defaultView.getComputedStyle(inputElem, null).WebkitAppearance !== 'textfield' &&
                                // Mobile android web browser has false positive, so must
                                // check the height to see if the widget is actually there.
                                (inputElem.offsetHeight !== 0);
  
                        docElement.removeChild(inputElem);
  
                      } else if ( /^(search|tel)$/.test(inputElemType) ){
                        // Spec doesn't define any special parsing or detectable UI
                        //   behaviors so we pass these through as true
  
                        // Interestingly, opera fails the earlier test, so it doesn't
                        //  even make it here.
  
                      } else if ( /^(url|email)$/.test(inputElemType) ) {
                        // Real url and email support comes with prebaked validation.
                        bool = inputElem.checkValidity && inputElem.checkValidity() === false;
  
                      } else {
                        // If the upgraded input compontent rejects the :) text, we got a winner
                        bool = inputElem.value != smile;
                      }
                  }
  
                  inputs[ props[i] ] = !!bool;
              }
              return inputs;
          })('search tel url email datetime date month week time datetime-local number range color'.split(' '));
          /*>>inputtypes*/
      }
      /*>>webforms*/
  
  
      // End of test definitions
      // -----------------------
  
  
  
      // Run through all tests and detect their support in the current UA.
      // todo: hypothetically we could be doing an array of tests and use a basic loop here.
      for ( var feature in tests ) {
          if ( hasOwnProp(tests, feature) ) {
              // run the test, throw the return value into the Modernizr,
              //   then based on that boolean, define an appropriate className
              //   and push it into an array of classes we'll join later.
              featureName  = feature.toLowerCase();
              Modernizr[featureName] = tests[feature]();
  
              classes.push((Modernizr[featureName] ? '' : 'no-') + featureName);
          }
      }
  
      /*>>webforms*/
      // input tests need to run.
      Modernizr.input || webforms();
      /*>>webforms*/
  
  
      /**
       * addTest allows the user to define their own feature tests
       * the result will be added onto the Modernizr object,
       * as well as an appropriate className set on the html element
       *
       * @param feature - String naming the feature
       * @param test - Function returning true if feature is supported, false if not
       */
       Modernizr.addTest = function ( feature, test ) {
         if ( typeof feature == 'object' ) {
           for ( var key in feature ) {
             if ( hasOwnProp( feature, key ) ) {
               Modernizr.addTest( key, feature[ key ] );
             }
           }
         } else {
  
           feature = feature.toLowerCase();
  
           if ( Modernizr[feature] !== undefined ) {
             // we're going to quit if you're trying to overwrite an existing test
             // if we were to allow it, we'd do this:
             //   var re = new RegExp("\\b(no-)?" + feature + "\\b");
             //   docElement.className = docElement.className.replace( re, '' );
             // but, no rly, stuff 'em.
             return Modernizr;
           }
  
           test = typeof test == 'function' ? test() : test;
  
           if (typeof enableClasses !== "undefined" && enableClasses) {
             docElement.className += ' ' + (test ? '' : 'no-') + feature;
           }
           Modernizr[feature] = test;
  
         }
  
         return Modernizr; // allow chaining.
       };
  
  
      // Reset modElem.cssText to nothing to reduce memory footprint.
      setCss('');
      modElem = inputElem = null;
  
      /*>>shiv*/
      /**
       * @preserve HTML5 Shiv prev3.7.1 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed
       */
      ;(function(window, document) {
          /*jshint evil:true */
          /** version */
          var version = '3.7.0';
  
          /** Preset options */
          var options = window.html5 || {};
  
          /** Used to skip problem elements */
          var reSkip = /^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i;
  
          /** Not all elements can be cloned in IE **/
          var saveClones = /^(?:a|b|code|div|fieldset|h1|h2|h3|h4|h5|h6|i|label|li|ol|p|q|span|strong|style|table|tbody|td|th|tr|ul)$/i;
  
          /** Detect whether the browser supports default html5 styles */
          var supportsHtml5Styles;
  
          /** Name of the expando, to work with multiple documents or to re-shiv one document */
          var expando = '_html5shiv';
  
          /** The id for the the documents expando */
          var expanID = 0;
  
          /** Cached data for each document */
          var expandoData = {};
  
          /** Detect whether the browser supports unknown elements */
          var supportsUnknownElements;
  
          (function() {
            try {
              var a = document.createElement('a');
              a.innerHTML = '<xyz></xyz>';
              //if the hidden property is implemented we can assume, that the browser supports basic HTML5 Styles
              supportsHtml5Styles = ('hidden' in a);
  
              supportsUnknownElements = a.childNodes.length == 1 || (function() {
                // assign a false positive if unable to shiv
                (document.createElement)('a');
                var frag = document.createDocumentFragment();
                return (
                  typeof frag.cloneNode == 'undefined' ||
                  typeof frag.createDocumentFragment == 'undefined' ||
                  typeof frag.createElement == 'undefined'
                );
              }());
            } catch(e) {
              // assign a false positive if detection fails => unable to shiv
              supportsHtml5Styles = true;
              supportsUnknownElements = true;
            }
  
          }());
  
          /*--------------------------------------------------------------------------*/
  
          /**
           * Creates a style sheet with the given CSS text and adds it to the document.
           * @private
           * @param {Document} ownerDocument The document.
           * @param {String} cssText The CSS text.
           * @returns {StyleSheet} The style element.
           */
          function addStyleSheet(ownerDocument, cssText) {
            var p = ownerDocument.createElement('p'),
            parent = ownerDocument.getElementsByTagName('head')[0] || ownerDocument.documentElement;
  
            p.innerHTML = 'x<style>' + cssText + '</style>';
            return parent.insertBefore(p.lastChild, parent.firstChild);
          }
  
          /**
           * Returns the value of `html5.elements` as an array.
           * @private
           * @returns {Array} An array of shived element node names.
           */
          function getElements() {
            var elements = html5.elements;
            return typeof elements == 'string' ? elements.split(' ') : elements;
          }
  
          /**
           * Returns the data associated to the given document
           * @private
           * @param {Document} ownerDocument The document.
           * @returns {Object} An object of data.
           */
          function getExpandoData(ownerDocument) {
            var data = expandoData[ownerDocument[expando]];
            if (!data) {
              data = {};
              expanID++;
              ownerDocument[expando] = expanID;
              expandoData[expanID] = data;
            }
            return data;
          }
  
          /**
           * returns a shived element for the given nodeName and document
           * @memberOf html5
           * @param {String} nodeName name of the element
           * @param {Document} ownerDocument The context document.
           * @returns {Object} The shived element.
           */
          function createElement(nodeName, ownerDocument, data){
            if (!ownerDocument) {
              ownerDocument = document;
            }
            if(supportsUnknownElements){
              return ownerDocument.createElement(nodeName);
            }
            if (!data) {
              data = getExpandoData(ownerDocument);
            }
            var node;
  
            if (data.cache[nodeName]) {
              node = data.cache[nodeName].cloneNode();
            } else if (saveClones.test(nodeName)) {
              node = (data.cache[nodeName] = data.createElem(nodeName)).cloneNode();
            } else {
              node = data.createElem(nodeName);
            }
  
            // Avoid adding some elements to fragments in IE < 9 because
            // * Attributes like `name` or `type` cannot be set/changed once an element
            //   is inserted into a document/fragment
            // * Link elements with `src` attributes that are inaccessible, as with
            //   a 403 response, will cause the tab/window to crash
            // * Script elements appended to fragments will execute when their `src`
            //   or `text` property is set
            return node.canHaveChildren && !reSkip.test(nodeName) && !node.tagUrn ? data.frag.appendChild(node) : node;
          }
  
          /**
           * returns a shived DocumentFragment for the given document
           * @memberOf html5
           * @param {Document} ownerDocument The context document.
           * @returns {Object} The shived DocumentFragment.
           */
          function createDocumentFragment(ownerDocument, data){
            if (!ownerDocument) {
              ownerDocument = document;
            }
            if(supportsUnknownElements){
              return ownerDocument.createDocumentFragment();
            }
            data = data || getExpandoData(ownerDocument);
            var clone = data.frag.cloneNode(),
            i = 0,
            elems = getElements(),
            l = elems.length;
            for(;i<l;i++){
              clone.createElement(elems[i]);
            }
            return clone;
          }
  
          /**
           * Shivs the `createElement` and `createDocumentFragment` methods of the document.
           * @private
           * @param {Document|DocumentFragment} ownerDocument The document.
           * @param {Object} data of the document.
           */
          function shivMethods(ownerDocument, data) {
            if (!data.cache) {
              data.cache = {};
              data.createElem = ownerDocument.createElement;
              data.createFrag = ownerDocument.createDocumentFragment;
              data.frag = data.createFrag();
            }
  
  
            ownerDocument.createElement = function(nodeName) {
              //abort shiv
              if (!html5.shivMethods) {
                return data.createElem(nodeName);
              }
              return createElement(nodeName, ownerDocument, data);
            };
  
            ownerDocument.createDocumentFragment = Function('h,f', 'return function(){' +
                                                            'var n=f.cloneNode(),c=n.createElement;' +
                                                            'h.shivMethods&&(' +
                                                            // unroll the `createElement` calls
                                                            getElements().join().replace(/[\w\-]+/g, function(nodeName) {
              data.createElem(nodeName);
              data.frag.createElement(nodeName);
              return 'c("' + nodeName + '")';
            }) +
              ');return n}'
                                                           )(html5, data.frag);
          }
  
          /*--------------------------------------------------------------------------*/
  
          /**
           * Shivs the given document.
           * @memberOf html5
           * @param {Document} ownerDocument The document to shiv.
           * @returns {Document} The shived document.
           */
          function shivDocument(ownerDocument) {
            if (!ownerDocument) {
              ownerDocument = document;
            }
            var data = getExpandoData(ownerDocument);
  
            if (html5.shivCSS && !supportsHtml5Styles && !data.hasCSS) {
              data.hasCSS = !!addStyleSheet(ownerDocument,
                                            // corrects block display not defined in IE6/7/8/9
                                            'article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}' +
                                              // adds styling not present in IE6/7/8/9
                                              'mark{background:#FF0;color:#000}' +
                                              // hides non-rendered elements
                                              'template{display:none}'
                                           );
            }
            if (!supportsUnknownElements) {
              shivMethods(ownerDocument, data);
            }
            return ownerDocument;
          }
  
          /*--------------------------------------------------------------------------*/
  
          /**
           * The `html5` object is exposed so that more elements can be shived and
           * existing shiving can be detected on iframes.
           * @type Object
           * @example
           *
           * // options can be changed before the script is included
           * html5 = { 'elements': 'mark section', 'shivCSS': false, 'shivMethods': false };
           */
          var html5 = {
  
            /**
             * An array or space separated string of node names of the elements to shiv.
             * @memberOf html5
             * @type Array|String
             */
            'elements': options.elements || 'abbr article aside audio bdi canvas data datalist details dialog figcaption figure footer header hgroup main mark meter nav output progress section summary template time video',
  
            /**
             * current version of html5shiv
             */
            'version': version,
  
            /**
             * A flag to indicate that the HTML5 style sheet should be inserted.
             * @memberOf html5
             * @type Boolean
             */
            'shivCSS': (options.shivCSS !== false),
  
            /**
             * Is equal to true if a browser supports creating unknown/HTML5 elements
             * @memberOf html5
             * @type boolean
             */
            'supportsUnknownElements': supportsUnknownElements,
  
            /**
             * A flag to indicate that the document's `createElement` and `createDocumentFragment`
             * methods should be overwritten.
             * @memberOf html5
             * @type Boolean
             */
            'shivMethods': (options.shivMethods !== false),
  
            /**
             * A string to describe the type of `html5` object ("default" or "default print").
             * @memberOf html5
             * @type String
             */
            'type': 'default',
  
            // shivs the document according to the specified `html5` object options
            'shivDocument': shivDocument,
  
            //creates a shived element
            createElement: createElement,
  
            //creates a shived documentFragment
            createDocumentFragment: createDocumentFragment
          };
  
          /*--------------------------------------------------------------------------*/
  
          // expose html5
          window.html5 = html5;
  
          // shiv the document
          shivDocument(document);
  
      }(this, document));
      /*>>shiv*/
  
      // Assign private properties to the return object with prefix
      Modernizr._version      = version;
  
      // expose these for the plugin API. Look in the source for how to join() them against your input
      /*>>prefixes*/
      Modernizr._prefixes     = prefixes;
      /*>>prefixes*/
      /*>>domprefixes*/
      Modernizr._domPrefixes  = domPrefixes;
      Modernizr._cssomPrefixes  = cssomPrefixes;
      /*>>domprefixes*/
  
      /*>>mq*/
      // Modernizr.mq tests a given media query, live against the current state of the window
      // A few important notes:
      //   * If a browser does not support media queries at all (eg. oldIE) the mq() will always return false
      //   * A max-width or orientation query will be evaluated against the current state, which may change later.
      //   * You must specify values. Eg. If you are testing support for the min-width media query use:
      //       Modernizr.mq('(min-width:0)')
      // usage:
      // Modernizr.mq('only screen and (max-width:768)')
      Modernizr.mq            = testMediaQuery;
      /*>>mq*/
  
      /*>>hasevent*/
      // Modernizr.hasEvent() detects support for a given event, with an optional element to test on
      // Modernizr.hasEvent('gesturestart', elem)
      Modernizr.hasEvent      = isEventSupported;
      /*>>hasevent*/
  
      /*>>testprop*/
      // Modernizr.testProp() investigates whether a given style property is recognized
      // Note that the property names must be provided in the camelCase variant.
      // Modernizr.testProp('pointerEvents')
      Modernizr.testProp      = function(prop){
          return testProps([prop]);
      };
      /*>>testprop*/
  
      /*>>testallprops*/
      // Modernizr.testAllProps() investigates whether a given style property,
      //   or any of its vendor-prefixed variants, is recognized
      // Note that the property names must be provided in the camelCase variant.
      // Modernizr.testAllProps('boxSizing')
      Modernizr.testAllProps  = testPropsAll;
      /*>>testallprops*/
  
  
      /*>>teststyles*/
      // Modernizr.testStyles() allows you to add custom styles to the document and test an element afterwards
      // Modernizr.testStyles('#modernizr { position:absolute }', function(elem, rule){ ... })
      Modernizr.testStyles    = injectElementWithStyles;
      /*>>teststyles*/
  
  
      /*>>prefixed*/
      // Modernizr.prefixed() returns the prefixed or nonprefixed property name variant of your input
      // Modernizr.prefixed('boxSizing') // 'MozBoxSizing'
  
      // Properties must be passed as dom-style camelcase, rather than `box-sizing` hypentated style.
      // Return values will also be the camelCase variant, if you need to translate that to hypenated style use:
      //
      //     str.replace(/([A-Z])/g, function(str,m1){ return '-' + m1.toLowerCase(); }).replace(/^ms-/,'-ms-');
  
      // If you're trying to ascertain which transition end event to bind to, you might do something like...
      //
      //     var transEndEventNames = {
      //       'WebkitTransition' : 'webkitTransitionEnd',
      //       'MozTransition'    : 'transitionend',
      //       'OTransition'      : 'oTransitionEnd',
      //       'msTransition'     : 'MSTransitionEnd',
      //       'transition'       : 'transitionend'
      //     },
      //     transEndEventName = transEndEventNames[ Modernizr.prefixed('transition') ];
  
      Modernizr.prefixed      = function(prop, obj, elem){
        if(!obj) {
          return testPropsAll(prop, 'pfx');
        } else {
          // Testing DOM property e.g. Modernizr.prefixed('requestAnimationFrame', window) // 'mozRequestAnimationFrame'
          return testPropsAll(prop, obj, elem);
        }
      };
      /*>>prefixed*/
  
  
      /*>>cssclasses*/
      // Remove "no-js" class from <html> element, if it exists:
      docElement.className = docElement.className.replace(/(^|\s)no-js(\s|$)/, '$1$2') +
  
                              // Add the new classes to the <html> element.
                              (enableClasses ? ' js ' + classes.join(' ') : '');
      /*>>cssclasses*/
  
      return Modernizr;
  
  })(this, this.document);
  