text: /*!
   * Modernizr v2.0.6
   * http://www.modernizr.com
   *
   * Copyright (c) 2009-2011 Faruk Ates, Paul Irish, Alex Sexton
   * Dual-licensed under the BSD or 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 = '2.0.6',
  
      Modernizr = {},
      
      // option for enabling the HTML classes to be added
      enableClasses = true,
  
      docElement = document.documentElement,
      docHead = document.head || document.getElementsByTagName('head')[0],
  
      /**
       * 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 = document.createElement('input'),
  
      smile = ':)',
  
      toString = Object.prototype.toString,
  
      // List of property values to set for css tests. See ticket #21
      prefixes = ' -webkit- -moz- -o- -ms- -khtml- '.split(' '),
  
      // 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 foregoes prefixes entirely <= IE8, but appears to
      //   use a lowercase `ms` instead of the correct `Ms` in IE9
  
      // More here: http://github.com/Modernizr/Modernizr/issues/issue/21
      domPrefixes = 'Webkit Moz O ms Khtml'.split(' '),
  
      ns = {'svg': 'http://www.w3.org/2000/svg'},
  
      tests = {},
      inputs = {},
      attrs = {},
  
      classes = [],
  
      featureName, // used in testing loop
  
  
      // Inject element with style element and some CSS rules
      injectElementWithStyles = function( rule, callback, nodes, testnames ) {
  
        var style, ret, node,
            div = document.createElement('div');
  
        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.
        // http://msdn.microsoft.com/en-us/library/ms533897%28VS.85%29.aspx
        style = ['&shy;', '<style>', rule, '</style>'].join('');
        div.id = mod;
        div.innerHTML += style;
        docElement.appendChild(div);
  
        ret = callback(div, rule);
        div.parentNode.removeChild(div);
  
        return !!ret;
  
      },
  
  
      // adapted from matchMedia polyfill
      // by Scott Jehl and Paul Irish
      // gist.github.com/786768
      testMediaQuery = function( mq ) {
  
        if ( window.matchMedia ) {
          return matchMedia(mq).matches;
        }
  
        var bool;
  
        injectElementWithStyles('@media ' + mq + ' { #' + mod + ' { position: absolute; } }', function( node ) {
          bool = (window.getComputedStyle ?
                    getComputedStyle(node, null) :
                    node.currentStyle)['position'] == 'absolute';
        });
  
        return bool;
  
       },
  
  
      /**
        * isEventSupported determines if a given element supports the given event
        * function from http://yura.thinkweb2.com/isEventSupported/
        */
      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;
      })();
  
      // hasOwnProperty shim by kangax needed for Safari 2.0 support
      var _hasOwnProperty = ({}).hasOwnProperty, hasOwnProperty;
      if ( !is(_hasOwnProperty, undefined) && !is(_hasOwnProperty.call, undefined) ) {
        hasOwnProperty = function (object, property) {
          return _hasOwnProperty.call(object, property);
        };
      }
      else {
        hasOwnProperty = 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));
        };
      }
  
      /**
       * 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);
      }
  
      /**
       * testProps is a generic CSS / DOM property test; if a browser supports
       *   a certain property, it won't return undefined for it.
       *   A supported CSS property returns empty string when its not yet set.
       */
      function testProps( props, prefixed ) {
          for ( var i in props ) {
              if ( mStyle[ props[i] ] !== undefined ) {
                  return prefixed == 'pfx' ? props[i] : true;
              }
          }
          return false;
      }
  
      /**
       * 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 ) {
  
          var ucProp  = prop.charAt(0).toUpperCase() + prop.substr(1),
              props   = (prop + ' ' + domPrefixes.join(ucProp + ' ') + ucProp).split(' ');
  
          return testProps(props, prefixed);
      }
  
      /**
       * testBundle tests a list of CSS features that require element and style injection.
       *   By bundling them together we can reduce the need to touch the DOM multiple times.
       */
      /*>>testBundle*/
      var testBundle = (function( styles, tests ) {
          var style = styles.join(''),
              len = tests.length;
  
          injectElementWithStyles(style, function( node, rule ) {
              var style = document.styleSheets[document.styleSheets.length - 1],
                  // IE8 will bork if you create a custom build that excludes both fontface and generatedcontent tests.
                  // So we check for cssRules and that there is a rule available
                  // More here: https://github.com/Modernizr/Modernizr/issues/288 & https://github.com/Modernizr/Modernizr/issues/293
                  cssText = style.cssRules && style.cssRules[0] ? style.cssRules[0].cssText : style.cssText || "",
                  children = node.childNodes, hash = {};
  
              while ( len-- ) {
                  hash[children[len].id] = children[len];
              }
  
              /*>>touch*/           Modernizr['touch'] = ('ontouchstart' in window) || hash['touch'].offsetTop === 9; /*>>touch*/
              /*>>csstransforms3d*/ Modernizr['csstransforms3d'] = hash['csstransforms3d'].offsetLeft === 9;          /*>>csstransforms3d*/
              /*>>generatedcontent*/Modernizr['generatedcontent'] = hash['generatedcontent'].offsetHeight >= 1;       /*>>generatedcontent*/
              /*>>fontface*/        Modernizr['fontface'] = /src/i.test(cssText) &&
                                                                    cssText.indexOf(rule.split(' ')[0]) === 0;        /*>>fontface*/
          }, len, tests);
  
      })([
          // Pass in styles to be injected into document
          /*>>fontface*/        '@font-face {font-family:"font";src:url("https://")}'         /*>>fontface*/
          
          /*>>touch*/           ,['@media (',prefixes.join('touch-enabled),('),mod,')',
                                  '{#touch{top:9px;position:absolute}}'].join('')           /*>>touch*/
                                  
          /*>>csstransforms3d*/ ,['@media (',prefixes.join('transform-3d),('),mod,')',
                                  '{#csstransforms3d{left:9px;position:absolute}}'].join('')/*>>csstransforms3d*/
                                  
          /*>>generatedcontent*/,['#generatedcontent:after{content:"',smile,'";visibility:hidden}'].join('')  /*>>generatedcontent*/
      ],
        [
          /*>>fontface*/        'fontface'          /*>>fontface*/
          /*>>touch*/           ,'touch'            /*>>touch*/
          /*>>csstransforms3d*/ ,'csstransforms3d'  /*>>csstransforms3d*/
          /*>>generatedcontent*/,'generatedcontent' /*>>generatedcontent*/
          
      ]);/*>>testBundle*/
  
  
      /**
       * Tests
       * -----
       */
  
      tests['flexbox'] = function() {
          /**
           * setPrefixedValueCSS sets the property of a specified element
           * adding vendor prefixes to the VALUE of the property.
           * @param {Element} element
           * @param {string} property The property name. This will not be prefixed.
           * @param {string} value The value of the property. This WILL be prefixed.
           * @param {string=} extra Additional CSS to append unmodified to the end of
           * the CSS string.
           */
          function setPrefixedValueCSS( element, property, value, extra ) {
              property += ':';
              element.style.cssText = (property + prefixes.join(value + ';' + property)).slice(0, -property.length) + (extra || '');
          }
  
          /**
           * setPrefixedPropertyCSS sets the property of a specified element
           * adding vendor prefixes to the NAME of the property.
           * @param {Element} element
           * @param {string} property The property name. This WILL be prefixed.
           * @param {string} value The value of the property. This will not be prefixed.
           * @param {string=} extra Additional CSS to append unmodified to the end of
           * the CSS string.
           */
          function setPrefixedPropertyCSS( element, property, value, extra ) {
              element.style.cssText = prefixes.join(property + ':' + value + ';') + (extra || '');
          }
  
          var c = document.createElement('div'),
              elem = document.createElement('div');
  
          setPrefixedValueCSS(c, 'display', 'box', 'width:42px;padding:0;');
          setPrefixedPropertyCSS(elem, 'box-flex', '1', 'width:10px;');
  
          c.appendChild(elem);
          docElement.appendChild(c);
  
          var ret = elem.offsetWidth === 42;
  
          c.removeChild(elem);
          docElement.removeChild(c);
  
          return ret;
      };
  
      // On the S60 and BB Storm, getContext exists, but always returns undefined
      // http://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'));
      };
  
      // This WebGL test may false positive. 
      // But really it's quite impossible to know whether webgl will succeed until after you create the context. 
      // You might have hardware that can support a 100x100 webgl canvas, but will not support a 1000x1000 webgl 
      // canvas. So this feature inference is weak, but intentionally so.
      
      // It is known to false positive in FF4 with certain hardware and the iPad 2.
      
      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: http://crbug.com/36415
       *
       * We also test for Firefox 4 Multitouch Support.
       *
       * For more info, see: http://modernizr.github.com/Modernizr/touch.html
       */
  
      tests['touch'] = function() {
          return Modernizr['touch'];
      };
  
      /**
       * geolocation tests for the new Geolocation API specification.
       *   This test is a standards compliant-only test; for more complete
       *   testing, including a Google Gears fallback, please see:
       *   http://code.google.com/p/geo-location-javascript/
       * or view a fallback solution using google's geo API:
       *   http://gist.github.com/366184
       */
      tests['geolocation'] = function() {
          return !!navigator.geolocation;
      };
  
      // Per 1.6:
      // This used to be Modernizr.crosswindowmessaging 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['postmessage'] = function() {
        return !!window.postMessage;
      };
  
      // Web SQL database detection is tricky:
  
      // In chrome incognito mode, openDatabase is truthy, but using it will
      //   throw an exception: http://crbug.com/42380
      // We can create a dummy database, but there is no way to delete it afterwards.
  
      // Meanwhile, Safari users can get prompted on any database creation.
      //   If they do, any page with Modernizr will give them a prompt:
      //   http://github.com/Modernizr/Modernizr/issues/closed#issue/113
  
      // We have chosen to allow the Chrome incognito false positive, so that Modernizr
      //   doesn't litter the web with these test databases. As a developer, you'll have
      //   to account for this gotcha yourself.
      tests['websqldatabase'] = function() {
        var result = !!window.openDatabase;
        /*  if (result){
              try {
                result = !!openDatabase( mod + "testdb", "1.0", mod + "testdb", 2e4);
              } catch(e) {
              }
            }  */
        return result;
      };
  
      // 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() {
        for ( var i = -1, len = domPrefixes.length; ++i < len; ){
          if ( window[domPrefixes[i].toLowerCase() + 'IndexedDB'] ){
            return true;
          }
        }
        return !!window.indexedDB;
      };
  
      // 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() {
          return isEventSupported('dragstart') && isEventSupported('drop');
      };
  
      // Mozilla is targeting to land MozWebSocket for FF6
      // bugzil.la/659324
      tests['websockets'] = function() {
          for ( var i = -1, len = domPrefixes.length; ++i < len; ){
            if ( window[domPrefixes[i] + 'WebSocket'] ){
              return true;
            }
          }
          return 'WebSocket' in window;
      };
  
  
      // http://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);
      };
  
  
      // 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.
  
  
      tests['backgroundsize'] = function() {
          return testPropsAll('backgroundSize');
      };
  
      tests['borderimage'] = function() {
          return testPropsAll('borderImage');
      };
  
  
      // Super comprehensive table about all the unique implementations of
      // border-radius: http://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
          // https://github.com/Modernizr/Modernizr/issues/#issue/59/comment/516632
          return /^0.55$/.test(mStyle.opacity);
      };
  
  
      tests['cssanimations'] = function() {
          return testPropsAll('animationName');
      };
  
  
      tests['csscolumns'] = function() {
          return testPropsAll('columnCount');
      };
  
  
      tests['cssgradients'] = function() {
          /**
           * For CSS Gradients syntax, please see:
           * http://webkit.org/blog/175/introducing-css-gradients/
           * https://developer.mozilla.org/en/CSS/-moz-linear-gradient
           * https://developer.mozilla.org/en/CSS/-moz-radial-gradient
           * http://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(
              (str1 + prefixes.join(str2 + str1) + prefixes.join(str3 + str1)).slice(0, -str1.length)
          );
  
          return contains(mStyle.backgroundImage, 'gradient');
      };
  
  
      tests['cssreflections'] = function() {
          return testPropsAll('boxReflect');
      };
  
  
      tests['csstransforms'] = function() {
          return !!testProps(['transformProperty', 'WebkitTransform', 'MozTransform', 'OTransform', 'msTransform']);
      };
  
  
      tests['csstransforms3d'] = function() {
  
          var ret = !!testProps(['perspectiveProperty', 'WebkitPerspective', 'MozPerspective', 'OPerspective', 'msPerspective']);
  
          // 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),(-o-transform-3d),(-moz-transform-3d),(-ms-transform-3d),(-webkit-transform-3d),(modernizr){ ... }`
            ret = Modernizr['csstransforms3d'];
          }
          return ret;
      };
  
  
      tests['csstransitions'] = function() {
          return testPropsAll('transitionProperty');
      };
  
  
      /*>>fontface*/
      // @font-face detection routine by Diego Perini
      // http://javascript.nwbox.com/CSSSupport/
      tests['fontface'] = function() {
          return Modernizr['fontface'];
      };
      /*>>fontface*/
  
      // CSS generated content detection
      tests['generatedcontent'] = function() {
          return Modernizr['generatedcontent'];
      };
  
  
  
      // 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 : http://github.com/NielsLeenheer/html5test/blob/9106a8/index.html#L845
      //                     thx to NielsLeenheer and zcorpan
  
      // Note: in FF 3.5.1 and 3.5.0, "no" was a return value instead of empty string.
      //   Modernizr does not normalize for that.
  
      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"');
  
                  // Workaround required for IE9, which doesn't report video support without audio codec specified.
                  //   bug 599718 @ msft connect
                  var h264 = 'video/mp4; codecs="avc1.42E01E';
                  bool.h264 = elem.canPlayType(h264 + '"') || elem.canPlayType(h264 + ', mp4a.40.2"');
  
                  bool.webm = elem.canPlayType('video/webm; codecs="vp8, vorbis"');
              }
              
          } 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"');
                  bool.mp3  = elem.canPlayType('audio/mpeg;');
  
                  // Mimetypes accepted:
                  //   https://developer.mozilla.org/En/Media_formats_supported_by_the_audio_and_video_elements
                  //   http://bit.ly/iphoneoscodecs
                  bool.wav  = elem.canPlayType('audio/wav; codecs="1"');
                  bool.m4a  = elem.canPlayType('audio/x-m4a;') || elem.canPlayType('audio/aac;');
              }
          } catch(e) { }
          
          return bool;
      };
  
  
      // Firefox has made these tests rather unfun.
  
      // 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 http://bugzil.la/365772 if cookies are disabled
  
      // However, in Firefox 4 betas, if dom.storage.enabled == false, just mentioning
      //   the property will throw an exception. http://bugzil.la/599479
      // This looks to be fixed for FF4 Final.
  
      // Because we are forced to try/catch this, we'll go aggressive.
  
      // FWIW: IE8 Compat mode supports these features completely:
      //   http://www.quirksmode.org/dom/html5.html
      // But IE8 doesn't support either with local files
  
      tests['localstorage'] = function() {
          try {
              return !!localStorage.getItem;
          } catch(e) {
              return false;
          }
      };
  
      tests['sessionstorage'] = function() {
          try {
              return !!sessionStorage.getItem;
          } 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;
      };
  
      // Thanks to F1lt3r and lucideer, ticket #35
      tests['smil'] = function() {
          return !!document.createElementNS && /SVG/.test(toString.call(document.createElementNS(ns.svg, 'animate')));
      };
  
      tests['svgclippaths'] = function() {
          // Possibly returns a false positive in Safari 3.2?
          return !!document.createElementNS && /SVG/.test(toString.call(document.createElementNS(ns.svg, 'clipPath')));
      };
  
      // 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() {
          // 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:
          //   http://miketaylr.com/code/input-type-attr.html
          // spec: http://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);
              }
              return attrs;
          })('autocomplete autofocus list placeholder max min multiple pattern required step'.split(' '));
  
          // 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. http://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 doesnt 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 ( /^color$/.test(inputElemType) ) {
                          // chuck into DOM and force reflow for Opera bug in 11.00
                          // github.com/Modernizr/Modernizr/issues#issue/159
                          docElement.appendChild(inputElem);
                          docElement.offsetWidth;
                          bool = inputElem.value != smile;
                          docElement.removeChild(inputElem);
  
                      } 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(' '));
      }
  
  
      // 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 ( hasOwnProperty(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);
          }
      }
  
      // input tests need to run.
      Modernizr.input || 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 ( hasOwnProperty( 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; 
           }
  
           test = typeof test == "boolean" ? test : !!test();
  
           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;
  
      //>>BEGIN IEPP
      // Enable HTML 5 elements for styling (and printing) in IE.
      if ( window.attachEvent && (function(){ var elem = document.createElement('div');
                                              elem.innerHTML = '<elem></elem>';
                                              return elem.childNodes.length !== 1; })() ) {
                                                
          // iepp v2 by @jon_neal & afarkas : github.com/aFarkas/iepp/
          (function(win, doc) {
            win.iepp = win.iepp || {};
            var iepp = win.iepp,
              elems = iepp.html5elements || 'abbr|article|aside|audio|canvas|datalist|details|figcaption|figure|footer|header|hgroup|mark|meter|nav|output|progress|section|summary|time|video',
              elemsArr = elems.split('|'),
              elemsArrLen = elemsArr.length,
              elemRegExp = new RegExp('(^|\\s)('+elems+')', 'gi'),
              tagRegExp = new RegExp('<(\/*)('+elems+')', 'gi'),
              filterReg = /^\s*[\{\}]\s*$/,
              ruleRegExp = new RegExp('(^|[^\\n]*?\\s)('+elems+')([^\\n]*)({[\\n\\w\\W]*?})', 'gi'),
              docFrag = doc.createDocumentFragment(),
              html = doc.documentElement,
              head = html.firstChild,
              bodyElem = doc.createElement('body'),
              styleElem = doc.createElement('style'),
              printMedias = /print|all/,
              body;
            function shim(doc) {
              var a = -1;
              while (++a < elemsArrLen)
                // Use createElement so IE allows HTML5-named elements in a document
                doc.createElement(elemsArr[a]);
            }
  
            iepp.getCSS = function(styleSheetList, mediaType) {
              if(styleSheetList+'' === undefined){return '';}
              var a = -1,
                len = styleSheetList.length,
                styleSheet,
                cssTextArr = [];
              while (++a < len) {
                styleSheet = styleSheetList[a];
                //currently no test for disabled/alternate stylesheets
                if(styleSheet.disabled){continue;}
                mediaType = styleSheet.media || mediaType;
                // Get css from all non-screen stylesheets and their imports
                if (printMedias.test(mediaType)) cssTextArr.push(iepp.getCSS(styleSheet.imports, mediaType), styleSheet.cssText);
                //reset mediaType to all with every new *not imported* stylesheet
                mediaType = 'all';
              }
              return cssTextArr.join('');
            };
  
            iepp.parseCSS = function(cssText) {
              var cssTextArr = [],
                rule;
              while ((rule = ruleRegExp.exec(cssText)) != null){
                // Replace all html5 element references with iepp substitute classnames
                cssTextArr.push(( (filterReg.exec(rule[1]) ? '\n' : rule[1]) +rule[2]+rule[3]).replace(elemRegExp, '$1.iepp_$2')+rule[4]);
              }
              return cssTextArr.join('\n');
            };
  
            iepp.writeHTML = function() {
              var a = -1;
              body = body || doc.body;
              while (++a < elemsArrLen) {
                var nodeList = doc.getElementsByTagName(elemsArr[a]),
                  nodeListLen = nodeList.length,
                  b = -1;
                while (++b < nodeListLen)
                  if (nodeList[b].className.indexOf('iepp_') < 0)
                    // Append iepp substitute classnames to all html5 elements
                    nodeList[b].className += ' iepp_'+elemsArr[a];
              }
              docFrag.appendChild(body);
              html.appendChild(bodyElem);
              // Write iepp substitute print-safe document
              bodyElem.className = body.className;
              bodyElem.id = body.id;
              // Replace HTML5 elements with <font> which is print-safe and shouldn't conflict since it isn't part of html5
              bodyElem.innerHTML = body.innerHTML.replace(tagRegExp, '<$1font');
            };
  
  
            iepp._beforePrint = function() {
              // Write iepp custom print CSS
              styleElem.styleSheet.cssText = iepp.parseCSS(iepp.getCSS(doc.styleSheets, 'all'));
              iepp.writeHTML();
            };
  
            iepp.restoreHTML = function(){
              // Undo everything done in onbeforeprint
              bodyElem.innerHTML = '';
              html.removeChild(bodyElem);
              html.appendChild(body);
            };
  
            iepp._afterPrint = function(){
              // Undo everything done in onbeforeprint
              iepp.restoreHTML();
              styleElem.styleSheet.cssText = '';
            };
  
  
  
            // Shim the document and iepp fragment
            shim(doc);
            shim(docFrag);
  
            //
            if(iepp.disablePP){return;}
  
            // Add iepp custom print style element
            head.insertBefore(styleElem, head.firstChild);
            styleElem.media = 'print';
            styleElem.className = 'iepp-printshim';
            win.attachEvent(
              'onbeforeprint',
              iepp._beforePrint
            );
            win.attachEvent(
              'onafterprint',
              iepp._afterPrint
            );
          })(window, document);
      }
      //>>END IEPP
  
      // 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
      Modernizr._prefixes     = prefixes;
      Modernizr._domPrefixes  = domPrefixes;
      
      // 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;   
      
      // Modernizr.hasEvent() detects support for a given event, with an optional element to test on
      // Modernizr.hasEvent('gesturestart', elem)
      Modernizr.hasEvent      = isEventSupported; 
  
      // 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]);
      };        
  
      // 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;     
  
  
      
      // 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; 
  
  
      // 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', // maybe?
      //       'transition'       : 'transitionEnd'
      //     },
      //     transEndEventName = transEndEventNames[ Modernizr.prefixed('transition') ];
      
      Modernizr.prefixed      = function(prop){
        return testPropsAll(prop, 'pfx');
      };
  
  
  
      // Remove "no-js" class from <html> element, if it exists:
      docElement.className = docElement.className.replace(/\bno-js\b/, '')
                              
                              // Add the new classes to the <html> element.
                              + (enableClasses ? ' js ' + classes.join(' ') : '');
  
      return Modernizr;
  
  })(this, this.document);
  
  