diff --git a/js/h5p-content-upgrade.js b/js/h5p-content-upgrade.js
index bbea037..c5cd02a 100644
--- a/js/h5p-content-upgrade.js
+++ b/js/h5p-content-upgrade.js
@@ -1,19 +1,20 @@
+/*jshint -W083 */
 var H5PUpgrades = H5PUpgrades || {};
 
 (function ($) {
   var info, $container, librariesCache = {};
-  
+
   // Initialize
   $(document).ready(function () {
     // Get library info
     info = H5PIntegration.getLibraryInfo();
-    
+
     // Get and reset container
     $container = $('#h5p-admin-container').html('<p>' + info.message + '</p>');
-    
+
     // Make it possible to select version
     var $version = $(getVersionSelect(info.versions)).appendTo($container);
-    
+
     // Add "go" button
     $('<button/>', {
       class: 'h5p-admin-upgrade-button',
@@ -23,11 +24,11 @@ var H5PUpgrades = H5PUpgrades || {};
         new ContentUpgrade($version.val());
       }
     }).appendTo($container);
-  });  
+  });
 
   /**
    * Generate html for version select.
-   *  
+   *
    * @param {Object} versions
    * @returns {String}
    */
@@ -41,18 +42,18 @@ var H5PUpgrades = H5PUpgrades || {};
       return html;
     }
   };
-  
+
   /**
    * Private. Helps process each property on the given object asynchronously in serial order.
-   * 
+   *
    * @param {Object} obj
    * @param {Function} process
    * @param {Function} finished
    */
   var asyncSerial = function (obj, process, finished) {
     var id, isArray = obj instanceof Array;
-    
-    // Keep track of each property that belongs to this object. 
+
+    // Keep track of each property that belongs to this object.
     if (!isArray) {
       var ids = [];
       for (id in obj) {
@@ -61,9 +62,9 @@ var H5PUpgrades = H5PUpgrades || {};
         }
       }
     }
-    
+
     var i = -1; // Keeps track of the current property
-    
+
     /**
      * Private. Process the next property
      */
@@ -71,10 +72,10 @@ var H5PUpgrades = H5PUpgrades || {};
       id = isArray ? i : ids[i];
       process(id, obj[id], check);
     };
-    
+
     /**
      * Private. Check if we're done or have an error.
-     *  
+     *
      * @param {String} err
      */
     var check = function (err) {
@@ -89,13 +90,13 @@ var H5PUpgrades = H5PUpgrades || {};
         }
       }, 0);
     };
-    
+
     check(); // Start
   };
 
-  /** 
+  /**
    * Make it easy to keep track of version details.
-   * 
+   *
    * @param {String} version
    * @param {Number} libraryId
    * @returns {_L1.Version}
@@ -103,19 +104,19 @@ var H5PUpgrades = H5PUpgrades || {};
   function Version(version, libraryId) {
     if (libraryId !== undefined) {
       version = info.versions[libraryId];
-      
+
       // Public
       this.libraryId = libraryId;
     }
     var versionSplit = version.split('.', 3);
-    
+
     // Public
     this.major = versionSplit[0];
     this.minor = versionSplit[1];
-    
+
     /**
      * Public. Custom string for this object.
-     * 
+     *
      * @returns {String}
      */
     this.toString = function () {
@@ -125,17 +126,17 @@ var H5PUpgrades = H5PUpgrades || {};
 
   /**
    * Displays a throbber in the status field.
-   *  
+   *
    * @param {String} msg
    * @returns {_L1.Throbber}
    */
   function Throbber(msg) {
     var $throbber = H5PUtils.throbber(msg);
     $container.html('').append($throbber);
-    
+
     /**
      * Makes it possible to set the progress.
-     * 
+     *
      * @param {String} progress
      */
     this.setProgress = function (progress) {
@@ -145,16 +146,16 @@ var H5PUpgrades = H5PUpgrades || {};
 
   /**
    * Start a new content upgrade.
-   * 
+   *
    * @param {Number} libraryId
    * @returns {_L1.ContentUpgrade}
    */
   function ContentUpgrade(libraryId) {
     var self = this;
-    
+
     // Get selected version
     self.version = new Version(null, libraryId);
-    
+
     // Create throbber with loading text and progress
     self.throbber = new Throbber(info.inProgress.replace('%ver', self.version));
 
@@ -164,36 +165,36 @@ var H5PUpgrades = H5PUpgrades || {};
       token: info.token
     });
   }
-  
+
   /**
    * Get the next batch and start processing it.
-   * 
+   *
    * @param {Object} outData
    */
   ContentUpgrade.prototype.nextBatch = function (outData) {
     var self = this;
-    
+
     $.post(info.infoUrl, outData, function (inData) {
       if (!(inData instanceof Object)) {
         // Print errors from backend
         return self.setStatus(inData);
-      } 
+      }
       if (inData.left === 0) {
         // Nothing left to process
         return self.setStatus(info.done);
       }
-      
+
       self.left = inData.left;
       self.token = inData.token;
-      
+
       // Start processing
       self.processBatch(inData.params);
     });
   };
-  
+
   /**
    * Set current status message.
-   * 
+   *
    * @param {String} msg
    */
   ContentUpgrade.prototype.setStatus = function (msg) {
@@ -202,19 +203,19 @@ var H5PUpgrades = H5PUpgrades || {};
 
   /**
    * Process the given parameters.
-   * 
+   *
    * @param {Object} parameters
    */
   ContentUpgrade.prototype.processBatch = function (parameters) {
     var self = this;
     var upgraded = {}; // Track upgraded params
-    
+
     var current = 0; // Track progress
     asyncSerial(parameters, function (id, params, next) {
-      
+
       // Make params possible to work with
       params = JSON.parse(params);
-      
+
       // Upgrade this content.
       self.upgrade(info.library.name, new Version(info.library.version), self.version, params, function (err, params) {
         if (!err) {
@@ -240,10 +241,10 @@ var H5PUpgrades = H5PUpgrades || {};
       });
     });
   };
-  
+
   /**
    * Upgade the given content.
-   * 
+   *
    * @param {String} name
    * @param {Version} oldVersion
    * @param {Version} newVersion
@@ -253,19 +254,19 @@ var H5PUpgrades = H5PUpgrades || {};
    */
   ContentUpgrade.prototype.upgrade = function (name, oldVersion, newVersion, params, next) {
     var self = this;
-    
+
     // Load library details and upgrade routines
     self.loadLibrary(name, newVersion, function (err, library) {
       if (err) {
         return next(err);
       }
-      
+
       // Run upgrade routines on params
       self.processParams(library, oldVersion, newVersion, params, function (err, params) {
         if (err) {
           return next(err);
         }
-        
+
         // Check if any of the sub-libraries need upgrading
         asyncSerial(library.semantics, function (index, field, next) {
           self.processField(field, params[field.name], function (err, upgradedParams) {
@@ -280,24 +281,24 @@ var H5PUpgrades = H5PUpgrades || {};
       });
     });
   };
-  
+
   /**
    * Load library data needed for content upgrade.
-   * 
+   *
    * @param {String} name
    * @param {Version} version
    * @param {Function} next
    */
   ContentUpgrade.prototype.loadLibrary = function (name, version, next) {
     var self = this;
-    
+
     var key = name + '/' + version.major + '/' + version.minor;
     if (librariesCache[key] !== undefined) {
       // Library has been loaded before. Return cache.
       next(null, librariesCache[key]);
       return;
     }
-    
+
     $.ajax({
       dataType: 'json',
       cache: true,
@@ -306,7 +307,7 @@ var H5PUpgrades = H5PUpgrades || {};
       next(info.errorData.replace('%lib', name + ' ' + version));
     }).done(function (library) {
       librariesCache[key] = library;
-      
+
       if (library.upgradesScript) {
         self.loadScript(library.upgradesScript, function (err) {
           if (err) {
@@ -320,10 +321,10 @@ var H5PUpgrades = H5PUpgrades || {};
       }
     });
   };
-  
+
   /**
    * Load script with upgrade hooks.
-   * 
+   *
    * @param {String} url
    * @param {Function} next
    */
@@ -338,10 +339,10 @@ var H5PUpgrades = H5PUpgrades || {};
       next();
     });
   };
-  
+
   /**
    * Run upgrade hooks on params.
-   * 
+   *
    * @param {Object} library
    * @param {Version} oldVersion
    * @param {Version} newVersion
@@ -354,7 +355,7 @@ var H5PUpgrades = H5PUpgrades || {};
         // Upgrades script should be loaded so the upgrades should be here.
         return next(info.errorScript.replace('%lib', library.name + ' ' + newVersion));
       }
-      
+
       // No upgrades script. Move on
       return next(null, params);
     }
@@ -362,7 +363,7 @@ var H5PUpgrades = H5PUpgrades || {};
     // Run upgrade hooks. Start by going through major versions
     asyncSerial(H5PUpgrades[library.name], function (major, minors, nextMajor) {
       if (major < oldVersion.major || major > newVersion.major) {
-        // Older than the current version or newer than the selected 
+        // Older than the current version or newer than the selected
         nextMajor();
       }
       else {
@@ -390,27 +391,27 @@ var H5PUpgrades = H5PUpgrades || {};
       next(err, params);
     });
   };
-  
+
   /**
    * Process parameter fields to find and upgrade sub-libraries.
-   * 
+   *
    * @param {Object} field
    * @param {Object} params
    * @param {Function} next
    */
   ContentUpgrade.prototype.processField = function (field, params, next) {
     var self = this;
-    
+
     if (params === undefined) {
       return next();
     }
-    
+
     switch (field.type) {
       case 'library':
         if (params.library === undefined || params.params === undefined) {
           return next();
         }
-        
+
         // Look for available upgrades
         var usedLib = params.library.split(' ', 2);
         for (var i = 0; i < field.options.length; i++) {
@@ -419,14 +420,14 @@ var H5PUpgrades = H5PUpgrades || {};
             if (availableLib[1] === usedLib[1]) {
               return next(); // Same version
             }
-            
+
             // We have different versions
             var usedVer = new Version(usedLib[1]);
             var availableVer = new Version(availableLib[1]);
             if (usedVer.major > availableVer.major || (usedVer.major === availableVer.major && usedVer.minor >= availableVer.minor)) {
               return next(); // Larger or same version that's available
             }
-            
+
             // A newer version is available, upgrade params
             return self.upgrade(availableLib[0], usedVer, availableVer, params.params, function (err, upgraded) {
               if (!err) {
@@ -484,4 +485,4 @@ var H5PUpgrades = H5PUpgrades || {};
     }
   };
 
-})(H5P.jQuery);
\ No newline at end of file
+})(H5P.jQuery);
diff --git a/js/h5p-embed.js b/js/h5p-embed.js
index ae8efc2..b1b58c3 100644
--- a/js/h5p-embed.js
+++ b/js/h5p-embed.js
@@ -1,3 +1,5 @@
+/*jshint multistr: true */
+
 /**
  *
  */
@@ -5,7 +7,7 @@ var H5P = H5P || (function () {
   var head = document.getElementsByTagName('head')[0];
   var contentId = 0;
   var contents = {};
-  
+
   /**
    * Wraps multiple content between a prefix and a suffix.
    */
@@ -16,25 +18,25 @@ var H5P = H5P || (function () {
     }
     return result;
   };
-  
+
   /**
-   * 
+   *
    */
   var loadContent = function (id, script) {
     var url = script.getAttribute('data-h5p');
     var data, callback = 'H5P' + id;
-    
+
     // Prevent duplicate loading.
     script.removeAttribute('data-h5p');
-    
+
     // Callback for when content data is loaded.
     window[callback] = function (content) {
       contents[id] = content;
-      
+
       var iframe = document.createElement('iframe');
       var parent = script.parentNode;
       parent.insertBefore(iframe, script);
-      
+
       iframe.id = 'h5p-iframe-' + id;
       iframe.style.display = 'block';
       iframe.style.width = '100%';
@@ -59,19 +61,19 @@ var H5P = H5P || (function () {
         </body></html>');
       iframe.contentDocument.close();
       iframe.contentDocument.documentElement.style.overflow = 'hidden';
-      
+
       // Clean up
       parent.removeChild(script);
       head.removeChild(data);
       delete window[callback];
     };
-    
+
     // Create data script
     data = document.createElement('script');
     data.src = url + (url.indexOf('?') === -1 ? '?' : '&') + 'callback=' + callback;
     head.appendChild(data);
   };
-  
+
   /**
    * Go throught all script tags with the data-h5p attribute and load content.
    */
@@ -89,7 +91,7 @@ var H5P = H5P || (function () {
       contentId++;
     }
   };
-  
+
   /**
    * Return integration object
    */
@@ -124,14 +126,14 @@ var H5P = H5P || (function () {
       }
     };
   };
-  
+
   // Detect if we support fullscreen, and what prefix to use.
   var fullScreenBrowserPrefix, safariBrowser;
   if (document.documentElement.requestFullScreen) {
     fullScreenBrowserPrefix = '';
   }
-  else if (document.documentElement.webkitRequestFullScreen
-      && navigator.userAgent.indexOf('Android') === -1 // Skip Android
+  else if (document.documentElement.webkitRequestFullScreen &&
+      navigator.userAgent.indexOf('Android') === -1 // Skip Android
       ) {
     safariBrowser = navigator.userAgent.match(/Version\/(\d)/);
     safariBrowser = (safariBrowser === null ? 0 : parseInt(safariBrowser[1]));
@@ -155,10 +157,10 @@ var H5P = H5P || (function () {
     var iframe = document.getElementById('h5p-iframe-' + $element.parent().data('content-id'));
     var $classes = $element.add(body);
     var $body = $classes.eq(1);
-    
+
     /**
       * Prepare for resize by setting the correct styles.
-      * 
+      *
       * @param {String} classes CSS
       */
      var before = function (classes) {
@@ -179,7 +181,7 @@ var H5P = H5P || (function () {
      /**
       * Gets called when fullscreen mode has been exited.
       * Resizes and sets focus on content.
-      * 
+      *
       * @param {String} classes CSS
       */
      var done = function (classes) {
@@ -201,10 +203,10 @@ var H5P = H5P || (function () {
 
       before('h5p-semi-fullscreen');
       iframe.style.position = 'fixed';
-      
+
       var $disable = $element.prepend('<a href="#" class="h5p-disable-fullscreen" title="Disable fullscreen"></a>').children(':first');
       var keyup, disableSemiFullscreen = function () {
-        $disable.remove();      
+        $disable.remove();
         $body.unbind('keyup', keyup);
         iframe.style.position = 'static';
         done('h5p-semi-fullscreen');
@@ -247,7 +249,7 @@ var H5P = H5P || (function () {
       }
     }
   };
-  
+
   return H5P;
 })();
 
diff --git a/js/h5p-library-details.js b/js/h5p-library-details.js
index 02a2f57..8605b3d 100644
--- a/js/h5p-library-details.js
+++ b/js/h5p-library-details.js
@@ -9,47 +9,47 @@ var H5PLibraryDetails= H5PLibraryDetails || {};
   H5PLibraryDetails.init = function () {
     H5PLibraryDetails.$adminContainer = H5PIntegration.getAdminContainer();
     H5PLibraryDetails.library = H5PIntegration.getLibraryInfo();
-    
+
     // currentContent holds the current list if data (relevant for filtering)
     H5PLibraryDetails.currentContent = H5PLibraryDetails.library.content;
-    
+
     // The current page index (for pager)
     H5PLibraryDetails.currentPage = 0;
-    
+
     // The current filter
     H5PLibraryDetails.currentFilter = '';
-    
+
     // We cache the filtered results, so we don't have to do unneccessary searches
     H5PLibraryDetails.filterCache = [];
-    
+
     // Append library info
     H5PLibraryDetails.$adminContainer.append(H5PLibraryDetails.createLibraryInfo());
-    
+
     // Append node list
     H5PLibraryDetails.$adminContainer.append(H5PLibraryDetails.createContentElement());
   };
-  
+
   /**
-   * Create the library details view 
+   * Create the library details view
    */
   H5PLibraryDetails.createLibraryInfo = function () {
     var $libraryInfo = $('<div class="h5p-library-info"></div>');
-    
+
     $.each(H5PLibraryDetails.library.info, function (title, value) {
       $libraryInfo.append(H5PUtils.createLabeledField(title, value));
     });
-    
+
     return $libraryInfo;
   };
-  
+
   /**
-   * Create the content list with searching and paging 
+   * Create the content list with searching and paging
    */
   H5PLibraryDetails.createContentElement = function () {
     if (H5PLibraryDetails.library.notCached !== undefined) {
       return H5PUtils.getRebuildCache(H5PLibraryDetails.library.notCached);
     }
-    
+
     if (H5PLibraryDetails.currentContent === undefined) {
       H5PLibraryDetails.$content = $('<div class="h5p-content empty">' + H5PLibraryDetails.library.translations.noContent + '</div>');
     }
@@ -62,7 +62,7 @@ var H5PLibraryDetails= H5PLibraryDetails || {};
       return H5PLibraryDetails.$content;
     }
   };
-  
+
   /**
    * Creates the content list
    */
@@ -71,12 +71,12 @@ var H5PLibraryDetails= H5PLibraryDetails || {};
     if(H5PLibraryDetails.$contentTable) {
       H5PLibraryDetails.$contentTable.remove();
     }
-    
+
     H5PLibraryDetails.$contentTable = H5PUtils.createTable();
-    
+
     var i = (H5PLibraryDetails.currentPage*H5PLibraryDetails.PAGER_SIZE);
     var lastIndex = (i+H5PLibraryDetails.PAGER_SIZE);
-    
+
     if(lastIndex > H5PLibraryDetails.currentContent.length) {
       lastIndex = H5PLibraryDetails.currentContent.length;
     }
@@ -84,48 +84,48 @@ var H5PLibraryDetails= H5PLibraryDetails || {};
       var content = H5PLibraryDetails.currentContent[i];
       H5PLibraryDetails.$contentTable.append(H5PUtils.createTableRow(['<a href="' + content.url + '">' + content.title + '</a>']));
     }
-    
-    // Appends it to the browser DOM 
+
+    // Appends it to the browser DOM
     H5PLibraryDetails.$contentTable.insertAfter(H5PLibraryDetails.$search);
   };
-  
+
   /**
    * Creates the pager element on the bottom of the list
    */
   H5PLibraryDetails.createPagerElement = function () {
-    
+
     // Only create pager if needed:
     if(H5PLibraryDetails.currentContent.length > H5PLibraryDetails.PAGER_SIZE) {
-      
+
       H5PLibraryDetails.$previous = $('<button type="button" class="previous h5p-admin"><</button>');
       H5PLibraryDetails.$next = $('<button type="button" class="next h5p-admin">></button>');
-      
+
       H5PLibraryDetails.$previous.on('click', function () {
         if(H5PLibraryDetails.$previous.hasClass('disabled')) {
           return;
         }
-        
+
         H5PLibraryDetails.currentPage--;
         H5PLibraryDetails.updatePager();
         H5PLibraryDetails.createContentTable();
       });
-      
+
       H5PLibraryDetails.$next.on('click', function () {
         if(H5PLibraryDetails.$next.hasClass('disabled')) {
           return;
         }
-        
+
         H5PLibraryDetails.currentPage++;
         H5PLibraryDetails.updatePager();
         H5PLibraryDetails.createContentTable();
       });
-      
+
       // This is the Page x of y widget:
       H5PLibraryDetails.$pagerInfo = $('<span class="pager-info"></span>');
-      
+
       H5PLibraryDetails.$pager = $('<div class="h5p-content-pager"></div>').append(H5PLibraryDetails.$previous, H5PLibraryDetails.$pagerInfo, H5PLibraryDetails.$next);
       H5PLibraryDetails.$content.append(H5PLibraryDetails.$pager);
-      
+
       H5PLibraryDetails.$pagerInfo.on('click', function () {
         var width = H5PLibraryDetails.$pagerInfo.innerWidth();
         H5PLibraryDetails.$pagerInfo.hide();
@@ -134,24 +134,24 @@ var H5PLibraryDetails= H5PLibraryDetails || {};
         var pageNumerUpdated = function() {
           var newPageNum = $gotoInput.val()-1;
           var intRegex = /^\d+$/;
-          
+
           $goto.remove();
           H5PLibraryDetails.$pagerInfo.css({display: 'inline-block'});
-          
+
           // Check if input value is valid, and that it has actually changed
           if(!(intRegex.test(newPageNum) && newPageNum >= 0 && newPageNum < H5PLibraryDetails.getNumPages() && newPageNum != H5PLibraryDetails.currentPage)) {
             return;
           }
-          
+
           H5PLibraryDetails.currentPage = newPageNum;
           H5PLibraryDetails.updatePager();
           H5PLibraryDetails.createContentTable();
         };
-        
+
         // We create an input box where the user may type in the page number
         // he wants to be displayed.
         // Reson for doing this is when user has ten-thousands of elements in list,
-        // this is the easiest way of getting to a specified page 
+        // this is the easiest way of getting to a specified page
         var $gotoInput = $('<input/>', {
           type: 'number',
           min : 1,
@@ -166,30 +166,30 @@ var H5PLibraryDetails= H5PLibraryDetails || {};
             }
           }
         }).css({width: width});
-        var $goto = $('<span/>', { 
+        var $goto = $('<span/>', {
           'class': 'h5p-pager-goto'
         }).css({width: width}).append($gotoInput).insertAfter(H5PLibraryDetails.$pagerInfo);
-        
+
         $gotoInput.focus();
       });
-      
+
       H5PLibraryDetails.updatePager();
     }
   };
-  
+
   /**
    * Calculates number of pages
    */
   H5PLibraryDetails.getNumPages = function () {
     return Math.ceil(H5PLibraryDetails.currentContent.length / H5PLibraryDetails.PAGER_SIZE);
   };
-  
+
   /**
    * Update the pager text, and enables/disables the next and previous buttons as needed
    */
   H5PLibraryDetails.updatePager = function () {
     H5PLibraryDetails.$pagerInfo.css({display: 'inline-block'});
-    
+
     if(H5PLibraryDetails.getNumPages() > 0) {
       var message = H5PUtils.translateReplace(H5PLibraryDetails.library.translations.pageXOfY, {
         '$x': (H5PLibraryDetails.currentPage+1),
@@ -200,26 +200,26 @@ var H5PLibraryDetails= H5PLibraryDetails || {};
     else {
       H5PLibraryDetails.$pagerInfo.html('');
     }
-    
+
     H5PLibraryDetails.$previous.toggleClass('disabled', H5PLibraryDetails.currentPage <= 0);
     H5PLibraryDetails.$next.toggleClass('disabled', H5PLibraryDetails.currentContent.length < (H5PLibraryDetails.currentPage+1)*H5PLibraryDetails.PAGER_SIZE);
   };
-  
+
   /**
    * Creates the search element
    */
   H5PLibraryDetails.createSearchElement = function () {
-    
+
     H5PLibraryDetails.$search = $('<div class="h5p-content-search"><input placeholder="' + H5PLibraryDetails.library.translations.filterPlaceholder + '" type="search"></div>');
-   
+
     var performSeach = function () {
       var searchString = $('.h5p-content-search > input').val();
-      
+
       // If search string same as previous, just do nothing
       if(H5PLibraryDetails.currentFilter === searchString) {
         return;
       }
-       
+
       if (searchString.trim().length === 0) {
         // If empty search, use the complete list
         H5PLibraryDetails.currentContent = H5PLibraryDetails.library.content;
@@ -230,7 +230,7 @@ var H5PLibraryDetails= H5PLibraryDetails || {};
       }
       else {
         var listToFilter = H5PLibraryDetails.library.content;
-        
+
         // Check if we can filter the already filtered results (for performance)
         if(searchString.length > 1 && H5PLibraryDetails.currentFilter === searchString.substr(0, H5PLibraryDetails.currentFilter.length)) {
           listToFilter = H5PLibraryDetails.currentContent;
@@ -239,47 +239,47 @@ var H5PLibraryDetails= H5PLibraryDetails || {};
           return content.title && content.title.match(new RegExp(searchString, 'i'));
         });
       }
-      
+
       H5PLibraryDetails.currentFilter = searchString;
       // Cache the current result
       H5PLibraryDetails.filterCache[searchString] = H5PLibraryDetails.currentContent;
       H5PLibraryDetails.currentPage = 0;
       H5PLibraryDetails.createContentTable();
-      
+
       // Display search results:
       if (H5PLibraryDetails.$searchResults) {
         H5PLibraryDetails.$searchResults.remove();
       }
       if (searchString.trim().length > 0) {
-        H5PLibraryDetails.$searchResults = $('<span class="h5p-admin-search-results">' + H5PLibraryDetails.currentContent.length + ' hits on ' + H5PLibraryDetails.currentFilter + '</span>'); 
+        H5PLibraryDetails.$searchResults = $('<span class="h5p-admin-search-results">' + H5PLibraryDetails.currentContent.length + ' hits on ' + H5PLibraryDetails.currentFilter + '</span>');
         H5PLibraryDetails.$search.append(H5PLibraryDetails.$searchResults);
       }
       H5PLibraryDetails.updatePager();
     };
-    
-    var inputTimer = undefined;
+
+    var inputTimer;
     $('input', H5PLibraryDetails.$search).on('change keypress paste input', function () {
       // Here we start the filtering
       // We wait at least 500 ms after last input to perform search
       if(inputTimer) {
         clearTimeout(inputTimer);
       }
-      
+
       inputTimer = setTimeout( function () {
         performSeach();
       }, 500);
     });
-    
+
     H5PLibraryDetails.$content.append(H5PLibraryDetails.$search);
   };
-  
+
   /**
    * Creates the page size selector
    */
   H5PLibraryDetails.createPageSizeSelector = function () {
     H5PLibraryDetails.$search.append('<div class="h5p-admin-pager-size-selector">' + H5PLibraryDetails.library.translations.pageSizeSelectorLabel + ':<span data-page-size="10">10</span><span class="selected" data-page-size="20">20</span><span data-page-size="50">50</span><span data-page-size="100">100</span><span data-page-size="200">200</span></div>');
-    
-    // Listen to clicks on the page size selector: 
+
+    // Listen to clicks on the page size selector:
     $('.h5p-admin-pager-size-selector > span', H5PLibraryDetails.$search).on('click', function () {
       H5PLibraryDetails.PAGER_SIZE = $(this).data('page-size');
       $('.h5p-admin-pager-size-selector > span', H5PLibraryDetails.$search).removeClass('selected');
@@ -289,7 +289,7 @@ var H5PLibraryDetails= H5PLibraryDetails || {};
       H5PLibraryDetails.updatePager();
     });
   };
-  
+
   // Initialize me:
   $(document).ready(function () {
     if (!H5PLibraryDetails.initialized) {
@@ -297,5 +297,5 @@ var H5PLibraryDetails= H5PLibraryDetails || {};
       H5PLibraryDetails.init();
     }
   });
-  
-})(H5P.jQuery); 
\ No newline at end of file
+
+})(H5P.jQuery);
diff --git a/js/h5p-library-list.js b/js/h5p-library-list.js
index a1e517f..fa37d3a 100644
--- a/js/h5p-library-list.js
+++ b/js/h5p-library-list.js
@@ -1,3 +1,4 @@
+/*jshint multistr: true */
 var H5PLibraryList= H5PLibraryList || {};
 
 (function ($) {
@@ -7,19 +8,19 @@ var H5PLibraryList= H5PLibraryList || {};
    */
   H5PLibraryList.init = function () {
     var $adminContainer = H5PIntegration.getAdminContainer();
-    
+
     var libraryList = H5PIntegration.getLibraryList();
     if (libraryList.notCached) {
       $adminContainer.append(H5PUtils.getRebuildCache(libraryList.notCached));
     }
-    
+
     // Create library list
     $adminContainer.append(H5PLibraryList.createLibraryList(H5PIntegration.getLibraryList()));
   };
-  
+
   /**
    * Create the library list
-   * 
+   *
    * @param {object} libraries List of libraries and headers
    */
   H5PLibraryList.createLibraryList = function (libraries) {
@@ -27,11 +28,11 @@ var H5PLibraryList= H5PLibraryList || {};
     if(libraries.listData === undefined || libraries.listData.length === 0) {
       return $('<div>' + t.NA + '</div>');
     }
-    
+
     // Create table
     var $table = H5PUtils.createTable(libraries.listHeaders);
     $table.addClass('libraries');
-    
+
     // Add libraries
     $.each (libraries.listData, function (index, library) {
       var $libraryRow = H5PUtils.createTableRow([
@@ -54,7 +55,7 @@ var H5PLibraryList= H5PLibraryList || {};
           <button class="h5p-admin-delete-library"></button>\
         </div>'
       ]);
-      
+
       var hasContent = !(library.numContent === '' || library.numContent === 0);
       if (library.upgradeUrl === null) {
         $('.h5p-admin-upgrade-library', $libraryRow).remove();
@@ -67,12 +68,12 @@ var H5PLibraryList= H5PLibraryList || {};
           window.location.href = library.upgradeUrl;
         });
       }
-      
+
       // Open details view when clicked
       $('.h5p-admin-view-library', $libraryRow).on('click', function () {
         window.location.href = library.detailsUrl;
       });
-      
+
       var $deleteButton = $('.h5p-admin-delete-library', $libraryRow);
       if (libraries.notCached !== undefined || hasContent || (library.numContentDependencies !== '' && library.numContentDependencies !== 0) || (library.numLibraryDependencies !== '' && library.numLibraryDependencies !== 0)) {
         // Disabled delete if content.
@@ -87,11 +88,11 @@ var H5PLibraryList= H5PLibraryList || {};
 
       $table.append($libraryRow);
     });
-    
+
     return $table;
   };
- 
-  
+
+
   // Initialize me:
   $(document).ready(function () {
     if (!H5PLibraryList.initialized) {
@@ -99,5 +100,5 @@ var H5PLibraryList= H5PLibraryList || {};
       H5PLibraryList.init();
     }
   });
-  
+
 })(H5P.jQuery);
diff --git a/js/h5p-utils.js b/js/h5p-utils.js
index 26ffa1d..0db73a7 100644
--- a/js/h5p-utils.js
+++ b/js/h5p-utils.js
@@ -3,7 +3,7 @@ var H5PUtils = H5PUtils || {};
 (function ($) {
   /**
    * Generic function for creating a table including the headers
-   * 
+   *
    * @param {array} headers List of headers
    */
   H5PUtils.createTable = function (headers) {
@@ -12,62 +12,62 @@ var H5PUtils = H5PUtils || {};
     if(headers) {
       var $thead = $('<thead></thead>');
       var $tr = $('<tr></tr>');
-  
+
       $.each(headers, function (index, value) {
         if (!(value instanceof Object)) {
           value = {
             html: value
           };
         }
-        
+
         $('<th/>', value).appendTo($tr);
       });
-      
+
       $table.append($thead.append($tr));
     }
-    
+
     return $table;
   };
-  
+
   /**
    * Generic function for creating a table row
-   * 
+   *
    * @param {array} rows Value list. Object name is used as class name in <TD>
    */
   H5PUtils.createTableRow = function (rows) {
     var $tr = $('<tr></tr>');
-    
+
     $.each(rows, function (index, value) {
       if (!(value instanceof Object)) {
         value = {
           html: value
         };
       }
-        
+
         $('<td/>', value).appendTo($tr);
     });
-    
+
     return $tr;
   };
-  
+
   /**
    * Generic function for creating a field containing label and value
-   * 
-   * @param {string} label The label displayed in front of the value 
+   *
+   * @param {string} label The label displayed in front of the value
    * @param {string} value The value
    */
   H5PUtils.createLabeledField = function (label, value) {
     var $field = $('<div class="h5p-labeled-field"></div>');
-    
+
     $field.append('<div class="h5p-label">' + label + '</div>');
     $field.append('<div class="h5p-value">' + value + '</div>');
-    
+
     return $field;
   };
   
   /**
    * Replaces placeholder fields in translation strings
-   * 
+   *
    * @param {string} template The translation template string in the following format: "$name is a $sex"
    * @param {array} replacors An js object with key and values. Eg: {'$name': 'Frode', '$sex': 'male'}
    */
@@ -77,10 +77,10 @@ var H5PUtils = H5PUtils || {};
     });
     return template;
   };
-  
+
   /**
    * Get throbber with given text.
-   * 
+   *
    * @param {String} text
    * @returns {$}
    */
@@ -90,7 +90,7 @@ var H5PUtils = H5PUtils || {};
       text: text
     });
   };
-  
+
   /**
    * Makes it possbile to rebuild all content caches from admin UI.
    * @param {Object} notCached
@@ -107,7 +107,7 @@ var H5PUtils = H5PUtils || {};
         current++;
         if (current === parts.length) current = 0;
       }, 100);
-      
+
       var $counter = $container.find('.progress');
       var build = function () {
         $.post(notCached.url, function (left) {
@@ -126,8 +126,8 @@ var H5PUtils = H5PUtils || {};
       };
       build();
     });
-    
+
     return $container;
   };
-  
-})(H5P.jQuery);
\ No newline at end of file
+
+})(H5P.jQuery);
diff --git a/js/h5p.js b/js/h5p.js
index 3b5db69..c858652 100644
--- a/js/h5p.js
+++ b/js/h5p.js
@@ -1,3 +1,4 @@
+/*jshint multistr: true */
 // TODO: Should we split up the generic parts needed by the editor(and others), and the parts needed to "run" H5Ps?
 var H5P = H5P || {};
 
@@ -11,12 +12,12 @@ H5P.$window = H5P.jQuery(window);
 if (document.documentElement.requestFullScreen) {
   H5P.fullScreenBrowserPrefix = '';
 }
-else if (document.documentElement.webkitRequestFullScreen
-    && navigator.userAgent.indexOf('Android') === -1 // Skip Android
+else if (document.documentElement.webkitRequestFullScreen &&
+      navigator.userAgent.indexOf('Android') === -1 // Skip Android
     ) {
   H5P.safariBrowser = navigator.userAgent.match(/Version\/(\d)/);
   H5P.safariBrowser = (H5P.safariBrowser === null ? 0 : parseInt(H5P.safariBrowser[1]));
-  
+
   // Do not allow fullscreen for safari < 7.
   if (H5P.safariBrowser === 0 || H5P.safariBrowser > 6) {
     H5P.fullScreenBrowserPrefix = 'webkit';
@@ -56,14 +57,14 @@ H5P.init = function () {
 
     // Create new instance.
     var instance = H5P.newRunnable(library, contentId, $container, true);
-    
+
     // Check if we should add and display a fullscreen button for this H5P.
     if (contentData.fullScreen == 1) {
       H5P.jQuery('<div class="h5p-content-controls"><div role="button" tabindex="1" class="h5p-enable-fullscreen" title="' + H5P.t('fullscreen') + '"></div></div>').prependTo($container).children().click(function () {
         H5P.fullScreen($container, instance);
       });
-    };
-    
+    }
+
     var $actions = H5P.jQuery('<ul class="h5p-actions"></ul>');
     if (contentData.exportUrl !== '') {
       // Display export button
@@ -87,7 +88,7 @@ H5P.init = function () {
       H5P.jQuery('<li><a class="h5p-link" href="http://h5p.org" target="_blank" title="' + H5P.t('h5pDescription') + '"></a></li>').appendTo($actions);
     }
     $actions.insertAfter($container);
-    
+
     if (H5P.isFramed) {
       // Make it possible to resize the iframe when the content changes size. This way we get no scrollbars.
       var iframe = window.parent.document.getElementById('h5p-iframe-' + contentId);
@@ -95,10 +96,10 @@ H5P.init = function () {
         if (window.parent.H5P.isFullscreen) {
           return; // Skip if full screen.
         }
-        
+
         // Retain parent size to avoid jumping/scrolling
         var parentHeight = iframe.parentElement.style.height;
-        iframe.parentElement.style.height = iframe.parentElement.clientHeight + 'px'; 
+        iframe.parentElement.style.height = iframe.parentElement.clientHeight + 'px';
 
         // Reset iframe height, in case content has shrinked.
         iframe.style.height = '1px';
@@ -109,7 +110,7 @@ H5P.init = function () {
         // Free parent
         iframe.parentElement.style.height = parentHeight;
       };
-      
+
       var resizeDelay;
       instance.$.on('resize', function () {
         // Use a delay to make sure iframe is resized to the correct size.
@@ -119,7 +120,7 @@ H5P.init = function () {
         }, 1);
       });
     }
-    
+
     // Resize everything when window is resized.
     $window.resize(function () {
       if (window.parent.H5P.isFullscreen) {
@@ -130,7 +131,7 @@ H5P.init = function () {
         instance.$.trigger('resize');
       }
     });
-    
+
     // Resize content.
     instance.$.trigger('resize');
   });
@@ -159,7 +160,7 @@ H5P.fullScreen = function ($element, instance, exitCallback, body) {
     window.parent.H5P.fullScreen($element, instance, exitCallback, H5P.$body.get());
     return;
   }
-  
+
   var $container = $element;
   var $classes, $iframe;
   if (body === undefined)  {
@@ -173,23 +174,23 @@ H5P.fullScreen = function ($element, instance, exitCallback, body) {
     $iframe = H5P.jQuery(iframeSelector);
     $element = $iframe.parent(); // Put iframe wrapper in fullscreen, not container.
   }
-  
+
   $classes = $element.add(H5P.$body).add($classes);
-  
+
   /**
    * Prepare for resize by setting the correct styles.
-   * 
+   *
    * @param {String} classes CSS
    */
   var before = function (classes) {
     $classes.addClass(classes);
-    
+
     if ($iframe !== undefined) {
       // Set iframe to its default size(100%).
       $iframe.css('height', '');
     }
   };
-  
+
   /**
    * Gets called when fullscreen mode has been entered.
    * Resizes and sets focus on content.
@@ -199,17 +200,17 @@ H5P.fullScreen = function ($element, instance, exitCallback, body) {
     instance.$.trigger('resize');
     instance.$.trigger('focus');
   };
-  
+
   /**
    * Gets called when fullscreen mode has been exited.
    * Resizes and sets focus on content.
-   * 
+   *
    * @param {String} classes CSS
    */
   var done = function (classes) {
     H5P.isFullscreen = false;
     $classes.removeClass(classes);
-    
+
     // Do not rely on window resize events.
     instance.$.trigger('resize');
     instance.$.trigger('focus');
@@ -222,11 +223,11 @@ H5P.fullScreen = function ($element, instance, exitCallback, body) {
   H5P.isFullscreen = true;
   if (H5P.fullScreenBrowserPrefix === undefined) {
     // Create semi fullscreen.
-    
+
     before('h5p-semi-fullscreen');
     var $disable = H5P.jQuery('<div role="button" tabindex="1" class="h5p-disable-fullscreen" title="' + H5P.t('disableFullscreen') + '"></div>').appendTo($container.find('.h5p-content-controls'));
     var keyup, disableSemiFullscreen = function () {
-      $disable.remove();      
+      $disable.remove();
       $body.unbind('keyup', keyup);
       done('h5p-semi-fullscreen');
     };
@@ -241,7 +242,7 @@ H5P.fullScreen = function ($element, instance, exitCallback, body) {
   }
   else {
     // Create real fullscreen.
-    
+
     before('h5p-fullscreen');
     var first, eventName = (H5P.fullScreenBrowserPrefix === 'ms' ? 'MSFullscreenChange' : H5P.fullScreenBrowserPrefix + 'fullscreenchange');
     document.addEventListener(eventName, function () {
@@ -251,7 +252,7 @@ H5P.fullScreen = function ($element, instance, exitCallback, body) {
         entered();
         return;
       }
-      
+
       // We are exiting fullscreen
       done('h5p-fullscreen');
       document.removeEventListener(eventName, arguments.callee, false);
@@ -282,26 +283,26 @@ H5P.getPath = function (path, contentId) {
   var hasProtocol = function (path) {
     return path.match(/^[a-z0-9]+:\/\//i);
   };
-  
+
   if (hasProtocol(path)) {
     return path;
   }
-  
+
   if (contentId !== undefined) {
     prefix = H5PIntegration.getContentPath(contentId);
   }
-  else if (window['H5PEditor'] !== undefined) {
+  else if (window.H5PEditor !== undefined) {
     prefix = H5PEditor.filesPath;
   }
   else {
     return;
   }
-  
+
   if (!hasProtocol(prefix)) {
     prefix = window.parent.location.protocol + "//" + window.parent.location.host + prefix;
   }
-  
-  return prefix + '/' + path; 
+
+  return prefix + '/' + path;
 };
 
 /**
@@ -318,7 +319,7 @@ H5P.getContentPath = function (contentId) {
 
 /**
  * Get library class constructor from H5P by classname.
- * Note that this class will only work for resolve "H5P.NameWithoutDot". 
+ * Note that this class will only work for resolve "H5P.NameWithoutDot".
  * Also check out: H5P.newRunnable
  *
  * Used from libraries to construct instances of other libraries' objects by name.
@@ -336,34 +337,36 @@ H5P.classFromName = function (name) {
  *
  * TODO: Should we check if version matches the library?
  * TODO: Dynamically try to load libraries currently not loaded? That will require a callback.
- * 
+ *
  * @param {Object} library Library/action object form params.
- * @param {Number} contentId 
+ * @param {Number} contentId
  * @param {jQuery} $attachTo An optional element to attach the instance to.
  * @param {Boolean} skipResize Optionally skip triggering of the resize event after attaching.
  * @return {Object} Instance.
  */
 H5P.newRunnable = function (library, contentId, $attachTo, skipResize) {
+  var nameSplit, versionSplit;
   try {
-    var nameSplit = library.library.split(' ', 2);
-    var versionSplit = nameSplit[1].split('.', 2);
+    nameSplit = library.library.split(' ', 2);
+    versionSplit = nameSplit[1].split('.', 2);
   }
   catch (err) {
     return H5P.error('Invalid library string: ' + library.library);
   }
-  
+
   if ((library.params instanceof Object) !== true || (library.params instanceof Array) === true) {
     H5P.error('Invalid library params for: ' + library.library);
     return H5P.error(library.params);
   }
-  
+
   // Find constructor function
+  var constructor;
   try {
     nameSplit = nameSplit[0].split('.');
-    var constructor = window;
-    for (var i = 0; i < nameSplit.length; i++) { 
+    constructor = window;
+    for (var i = 0; i < nameSplit.length; i++) {
       constructor = constructor[nameSplit[i]];
-    };
+    }
     if (typeof constructor !== 'function') {
       throw null;
     }
@@ -371,16 +374,16 @@ H5P.newRunnable = function (library, contentId, $attachTo, skipResize) {
   catch (err) {
     return H5P.error('Unable to find constructor for: ' + library.library);
   }
-  
+
   var instance = new constructor(library.params, contentId);
-  
+
   if (instance.$ === undefined) {
     instance.$ = H5P.jQuery(instance);
   }
-  
+
   if ($attachTo !== undefined) {
     instance.attach($attachTo);
-    
+
     if (skipResize === undefined || !skipResize) {
       // Resize content.
       instance.$.trigger('resize');
@@ -417,18 +420,18 @@ H5P.t = function (key, vars, ns) {
   if (H5PIntegration.i18n[ns] === undefined) {
     return '[Missing translation namespace "' + ns + '"]';
   }
-  
+
   if (H5PIntegration.i18n[ns][key] === undefined) {
     return '[Missing translation "' + key + '" in "' + ns + '"]';
   }
 
   var translation = H5PIntegration.i18n[ns][key];
-  
+
   if (vars !== undefined) {
     // Replace placeholder with variables.
     for (var placeholder in vars) {
       translation = translation.replace(placeholder, vars[placeholder]);
-    }  
+    }
   }
 
   return translation;
@@ -457,7 +460,7 @@ H5P.Dialog = function (name, title, content, $element) {
         })
         .end()
       .end();
-    
+
   this.open = function () {
     setTimeout(function () {
       $dialog.addClass('h5p-open'); // Fade in
@@ -465,7 +468,7 @@ H5P.Dialog = function (name, title, content, $element) {
       H5P.jQuery(self).trigger('dialog-opened', [$dialog]);
     }, 1);
   };
-  
+
   this.close = function () {
     $dialog.removeClass('h5p-open'); // Fade out
     setTimeout(function () {
@@ -489,7 +492,7 @@ H5P.openCopyrightsDialog = function ($element, instance) {
   if (copyrights === undefined || copyrights === '') {
     copyrights = H5P.t('noCopyrights');
   }
-  
+
   var dialog = new H5P.Dialog('copyrights', H5P.t('copyrightInformation'), copyrights, $element);
   dialog.open();
 };
@@ -503,12 +506,12 @@ H5P.openCopyrightsDialog = function ($element, instance) {
  */
 H5P.openEmbedDialog = function ($element, embedCode) {
   var dialog = new H5P.Dialog('embed', H5P.t('embed'), '<textarea class="h5p-embed-code-container">' + embedCode + '</textarea>', $element);
-  
+
   // Selecting embed code when dialog is opened
   H5P.jQuery(dialog).on('dialog-opened', function (event, $dialog) {
     $dialog.find('.h5p-embed-code-container').select();
   });
-  
+
   dialog.open();
 };
 
@@ -519,7 +522,7 @@ H5P.ContentCopyrights = function () {
   var label;
   var media = [];
   var content = [];
-  
+
   /**
    * Public. Set label.
    *
@@ -528,7 +531,7 @@ H5P.ContentCopyrights = function () {
   this.setLabel = function (newLabel) {
     label = newLabel;
   };
-  
+
   /**
    * Public. Add sub content.
    *
@@ -539,7 +542,7 @@ H5P.ContentCopyrights = function () {
       media.push(newMedia);
     }
   };
-  
+
   /**
    * Public. Add sub content.
    *
@@ -550,7 +553,7 @@ H5P.ContentCopyrights = function () {
       content.push(newContent);
     }
   };
-  
+
   /**
    * Public. Print content copyright.
    *
@@ -558,28 +561,28 @@ H5P.ContentCopyrights = function () {
    */
   this.toString = function () {
     var html = '';
-  
+
     // Add media rights
     for (var i = 0; i < media.length; i++) {
       html += media[i];
     }
-    
+
     // Add sub content rights
-    for (var i = 0; i < content.length; i++) {
+    for (i = 0; i < content.length; i++) {
       html += content[i];
     }
-    
-    
+
+
     if (html !== '') {
       // Add a label to this info
       if (label !== undefined) {
         html = '<h3>' + label + '</h3>' + html;
       }
-      
+
       // Add wrapper
       html = '<div class="h5p-content-copyrights">' + html + '</div>';
     }
-    
+
     return html;
   };
 };
@@ -595,35 +598,35 @@ H5P.ContentCopyrights = function () {
 H5P.MediaCopyright = function (copyright, labels, order, extraFields) {
   var thumbnail;
   var list = new H5P.DefinitionList();
-  
+
   /**
    * Private. Get translated label for field.
    *
    * @param {String} fieldName
-   * @return {String} 
+   * @return {String}
    */
   var getLabel = function (fieldName) {
     if (labels === undefined || labels[fieldName] === undefined) {
       return H5P.t(fieldName);
     }
-    
+
     return labels[fieldName];
   };
-  
+
   /**
    * Private. Get humanized value for field.
    *
    * @param {String} fieldName
-   * @return {String} 
+   * @return {String}
    */
   var humanizeValue = function (fieldName, value) {
     if (fieldName === 'license') {
       return H5P.copyrightLicenses[value];
     }
-    
+
     return value;
   };
-  
+
   if (copyright !== undefined) {
     // Add the extra fields
     for (var field in extraFields) {
@@ -631,12 +634,12 @@ H5P.MediaCopyright = function (copyright, labels, order, extraFields) {
         copyright[field] = extraFields[field];
       }
     }
-    
+
     if (order === undefined) {
       // Set default order
       order = ['title', 'author', 'year', 'source', 'license'];
     }
-    
+
     for (var i = 0; i < order.length; i++) {
       var fieldName = order[i];
       if (copyright[fieldName] !== undefined) {
@@ -644,7 +647,7 @@ H5P.MediaCopyright = function (copyright, labels, order, extraFields) {
       }
     }
   }
-  
+
   /**
    * Public. Set thumbnail.
    *
@@ -653,7 +656,7 @@ H5P.MediaCopyright = function (copyright, labels, order, extraFields) {
   this.setThumbnail = function (newThumbnail) {
     thumbnail = newThumbnail;
   };
-  
+
   /**
    * Public. Checks if this copyright is undisclosed.
    * I.e. only has the license attribute set, and it's undisclosed.
@@ -669,7 +672,7 @@ H5P.MediaCopyright = function (copyright, labels, order, extraFields) {
     }
     return false;
   };
-  
+
   /**
    * Public. Print media copyright.
    *
@@ -677,20 +680,20 @@ H5P.MediaCopyright = function (copyright, labels, order, extraFields) {
    */
   this.toString = function () {
     var html = '';
-    
+
     if (this.undisclosed()) {
       return html; // No need to print a copyright with a single undisclosed license.
     }
-    
+
     if (thumbnail !== undefined) {
       html += thumbnail;
     }
     html += list;
-    
+
     if (html !== '') {
       html = '<div class="h5p-media-copyright">' + html + '</div>';
     }
-    
+
     return html;
   };
 };
@@ -742,16 +745,16 @@ H5P.Field = function (label, value) {
    * Public. Get field label.
    *
    * @returns {String}
-   */ 
+   */
   this.getLabel = function () {
     return label;
   };
-  
+
   /**
    * Public. Get field value.
    *
    * @returns {String}
-   */ 
+   */
   this.getValue = function () {
     return value;
   };
@@ -762,7 +765,7 @@ H5P.Field = function (label, value) {
  */
 H5P.DefinitionList = function () {
   var fields = [];
-  
+
   /**
    * Public. Add field to list.
    *
@@ -771,7 +774,7 @@ H5P.DefinitionList = function () {
   this.add = function (field) {
     fields.push(field);
   };
-  
+
   /**
    * Public. Get Number of fields.
    *
@@ -780,7 +783,7 @@ H5P.DefinitionList = function () {
   this.size = function () {
     return fields.length;
   };
-  
+
   /**
    * Public. Get field at given index.
    *
@@ -790,7 +793,7 @@ H5P.DefinitionList = function () {
   this.get = function (index) {
     return fields[index];
   };
-  
+
   /**
    * Public. Print definition list.
    *
@@ -879,7 +882,7 @@ H5P.getLibraryPath = function (library) {
 
 /**
  * Recursivly clone the given object.
- * TODO: Consider if this needs to be in core. Doesn't $.extend do the same? 
+ * TODO: Consider if this needs to be in core. Doesn't $.extend do the same?
  *
  * @param {object} object Object to clone.
  * @param {type} recursive