From 471e0eb820c03e89674bb65263f2f827f3c95d16 Mon Sep 17 00:00:00 2001
From: Jerome Charaoui <jerome@riseup.net>
Date: Tue, 28 Jan 2014 01:18:30 -0500
Subject: [PATCH] Use Modernizr to check for <video> support and show an error
 messag if absent.

---
 web/css/000-controls.css      |    8 +
 web/img/video-unsupported.png |  Bin 0 -> 5087 bytes
 web/js/005-modernizr.js       | 1393 +++++++++++++++++++++++++++++++++
 web/js/011-display.js         |   33 +-
 4 files changed, 1422 insertions(+), 12 deletions(-)
 create mode 100644 web/img/video-unsupported.png
 create mode 100644 web/js/005-modernizr.js

diff --git a/web/css/000-controls.css b/web/css/000-controls.css
index 1aee05b..a428fd9 100644
--- a/web/css/000-controls.css
+++ b/web/css/000-controls.css
@@ -199,6 +199,14 @@ a:hover {
 	font-weight: bold;
 	font-style: italic;
 }
+
+#video-unsupported {
+  background-image: url(../img/video-unsupported.png);
+  background-position: top center;
+  background-repeat: no-repeat;
+  padding-top: 96px;
+}
+
 #auth-text input {
 	color: rgb(0, 0, 0);
 	background-color: rgb(200, 200, 200);
diff --git a/web/img/video-unsupported.png b/web/img/video-unsupported.png
new file mode 100644
index 0000000000000000000000000000000000000000..731a5ca9d1d9283f46988c1e498a116d5c4adf65
GIT binary patch
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diff --git a/web/js/005-modernizr.js b/web/js/005-modernizr.js
new file mode 100644
index 0000000..56a0022
--- /dev/null
+++ b/web/js/005-modernizr.js
@@ -0,0 +1,1393 @@
+/*!
+ * Modernizr v2.6.2
+ * 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 = '2.6.2',
+
+    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).matches;
+      }
+
+      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
+    //   daneden.me/2011/12/putting-up-with-androids-bullshit/
+    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*/
+    /*! HTML5 Shiv v3.6.1 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed */
+    ;(function(window, document) {
+    /*jshint evil:true */
+      /** 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) {
+          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) ? 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,figcaption,figure,footer,header,hgroup,nav,section{display:block}' +
+            // adds styling not present in IE6/7/8/9
+            'mark{background:#FF0;color:#000}'
+          );
+        }
+        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 figcaption figure footer header hgroup mark meter nav output progress section summary time video',
+
+        /**
+         * 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);
diff --git a/web/js/011-display.js b/web/js/011-display.js
index bbefafd..e0952a1 100644
--- a/web/js/011-display.js
+++ b/web/js/011-display.js
@@ -147,7 +147,8 @@ $(document).ready(function() {
 			$("#album-view").removeClass("photo-view-container");
 			$("#subalbums").show();
 			$("#photo-view").hide();
-			$("#video").remove();
+			$("#video-box-inner").empty();
+			$("#video-box").hide();
 		}
 		setTimeout(scrollToThumb, 1);
 	}
@@ -182,18 +183,26 @@ $(document).ready(function() {
 	}
 	function showPhoto() {
 		var width, height, photoSrc, videoSrc, previousPhoto, nextPhoto, nextLink, text;
+        width = currentPhoto.size[0];
+        height = currentPhoto.size[1];
 
 		if (currentPhoto.mediaType == "video") {
-			width = currentPhoto.size[0];
-			height = currentPhoto.size[1];
-			$(window).unbind("resize", scaleVideo);
-			$(window).unbind("resize", scaleImage);
-			videoSrc = photoFloat.videoPath(currentAlbum, currentPhoto);
-			$('<video/>', { id: 'video', controls: true }).appendTo('#video-box-inner')
-				.attr("width", width).attr("height", height).attr("ratio", currentPhoto.size[0] / currentPhoto.size[1])
-				.attr("src", videoSrc)
-				.attr("alt", currentPhoto.name)
-				.on('loadstart', scaleVideo);
+            if (!Modernizr.video) {
+                $('<div id="video-unsupported"><p>Sorry, your browser doesn\'t support the HTML5 &lt;video&gt; element!</p><p>Here\'s a <a href="http://caniuse.com/video">list of which browsers do</a>.</p></div>').appendTo('#video-box-inner');
+            }
+            else if (Modernizr.video.webm) {
+                $('<div id="video-unsupported"><p>Sorry, your browser doesn\'t support the WebM video format!</p></div>').appendTo('#video-box-inner');
+            }
+            else {
+                $(window).unbind("resize", scaleVideo);
+                $(window).unbind("resize", scaleImage);
+                videoSrc = photoFloat.videoPath(currentAlbum, currentPhoto);
+                $('<video/>', { id: 'video', controls: true }).appendTo('#video-box-inner')
+                    .attr("width", width).attr("height", height).attr("ratio", currentPhoto.size[0] / currentPhoto.size[1])
+                    .attr("src", videoSrc)
+                    .attr("alt", currentPhoto.name)
+                    .on('loadstart', scaleVideo);
+            }
 			$("head").append("<link rel=\"video_src\" href=\"" + videoSrc + "\" />");
 			$("#video-box-inner").css('height', height + 'px').css('margin-top', - height / 2);
 			$("#photo-box").hide();
@@ -219,7 +228,7 @@ $(document).ready(function() {
 				.attr("title", currentPhoto.date)
 				.load(scaleImage);
 			$("head").append("<link rel=\"image_src\" href=\"" + photoSrc + "\" />");
-			$("#video").remove();
+			$("#video-box-inner").empty();
 			$("#video-box").hide();
 			$("#photo-box").show();
 		}