diff --git a/resources/css/justifiedGallery.css b/resources/css/justifiedGallery.css
new file mode 100644
index 0000000..1b9932d
--- /dev/null
+++ b/resources/css/justifiedGallery.css
@@ -0,0 +1,110 @@
+/*!
+ * justifiedGallery - v3.8.1
+ * http://miromannino.github.io/Justified-Gallery/
+ * Copyright (c) 2020 Miro Mannino
+ * Licensed under the MIT license.
+ */
+.justified-gallery {
+  width: 100%;
+  position: relative;
+  overflow: hidden;
+}
+.justified-gallery > a,
+.justified-gallery > div,
+.justified-gallery > figure {
+  position: absolute;
+  display: inline-block;
+  overflow: hidden;
+  /* background: #888888; To have gray placeholders while the gallery is loading with waitThumbnailsLoad = false */
+  filter: "alpha(opacity=10)";
+  opacity: 0.1;
+  margin: 0;
+  padding: 0;
+}
+.justified-gallery > a > img,
+.justified-gallery > div > img,
+.justified-gallery > figure > img,
+.justified-gallery > a > a > img,
+.justified-gallery > div > a > img,
+.justified-gallery > figure > a > img,
+.justified-gallery > a > svg,
+.justified-gallery > div > svg,
+.justified-gallery > figure > svg,
+.justified-gallery > a > a > svg,
+.justified-gallery > div > a > svg,
+.justified-gallery > figure > a > svg {
+  position: absolute;
+  top: 50%;
+  left: 50%;
+  margin: 0;
+  padding: 0;
+  border: none;
+  filter: "alpha(opacity=0)";
+  opacity: 0;
+}
+.justified-gallery > a > .jg-caption,
+.justified-gallery > div > .jg-caption,
+.justified-gallery > figure > .jg-caption {
+  display: none;
+  position: absolute;
+  bottom: 0;
+  padding: 5px;
+  background-color: #000000;
+  left: 0;
+  right: 0;
+  margin: 0;
+  color: white;
+  font-size: 12px;
+  font-weight: 300;
+  font-family: sans-serif;
+}
+.justified-gallery > a > .jg-caption.jg-caption-visible,
+.justified-gallery > div > .jg-caption.jg-caption-visible,
+.justified-gallery > figure > .jg-caption.jg-caption-visible {
+  display: initial;
+  filter: "alpha(opacity=70)";
+  opacity: 0.7;
+  -webkit-transition: opacity 500ms ease-in;
+  -moz-transition: opacity 500ms ease-in;
+  -o-transition: opacity 500ms ease-in;
+  transition: opacity 500ms ease-in;
+}
+.justified-gallery > .jg-entry-visible {
+  filter: "alpha(opacity=100)";
+  opacity: 1;
+  background: none;
+}
+.justified-gallery > .jg-entry-visible > img,
+.justified-gallery > .jg-entry-visible > a > img,
+.justified-gallery > .jg-entry-visible > svg,
+.justified-gallery > .jg-entry-visible > a > svg {
+  filter: "alpha(opacity=100)";
+  opacity: 1;
+  -webkit-transition: opacity 500ms ease-in;
+  -moz-transition: opacity 500ms ease-in;
+  -o-transition: opacity 500ms ease-in;
+  transition: opacity 500ms ease-in;
+}
+.justified-gallery > .jg-filtered {
+  display: none;
+}
+.justified-gallery > .jg-spinner {
+  position: absolute;
+  bottom: 0;
+  margin-left: -24px;
+  padding: 10px 0 10px 0;
+  left: 50%;
+  filter: "alpha(opacity=100)";
+  opacity: 1;
+  overflow: initial;
+}
+.justified-gallery > .jg-spinner > span {
+  display: inline-block;
+  filter: "alpha(opacity=0)";
+  opacity: 0;
+  width: 8px;
+  height: 8px;
+  margin: 0 4px 0 4px;
+  background-color: #000;
+  border-radius: 6px;
+}
diff --git a/resources/js/jquery.justifiedGallery.js b/resources/js/jquery.justifiedGallery.js
new file mode 100644
index 0000000..846f611
--- /dev/null
+++ b/resources/js/jquery.justifiedGallery.js
@@ -0,0 +1,1245 @@
+/*!
+ * justifiedGallery - v3.8.1
+ * http://miromannino.github.io/Justified-Gallery/
+ * Copyright (c) 2020 Miro Mannino
+ * Licensed under the MIT license.
+ */
+(function (factory) {
+  if (typeof define === 'function' && define.amd) {
+    // AMD. Register as an anonymous module.
+    define(['jquery'], factory);
+  } else if (typeof module === 'object' && module.exports) {
+    // Node/CommonJS
+    module.exports = function (root, jQuery) {
+      if (jQuery === undefined) {
+        // require('jQuery') returns a factory that requires window to
+        // build a jQuery instance, we normalize how we use modules
+        // that require this pattern but the window provided is a noop
+        // if it's defined (how jquery works)
+        if (typeof window !== 'undefined') {
+          jQuery = require('jquery');
+        }
+        else {
+          jQuery = require('jquery')(root);
+        }
+      }
+      factory(jQuery);
+      return jQuery;
+    };
+  } else {
+    // Browser globals
+    factory(jQuery);
+  }
+}(function ($) {
+
+  /**
+   * Justified Gallery controller constructor
+   *
+   * @param $gallery the gallery to build
+   * @param settings the settings (the defaults are in JustifiedGallery.defaults)
+   * @constructor
+   */
+  var JustifiedGallery = function ($gallery, settings) {
+  
+    this.settings = settings;
+    this.checkSettings();
+  
+    this.imgAnalyzerTimeout = null;
+    this.entries = null;
+    this.buildingRow = {
+      entriesBuff: [],
+      width: 0,
+      height: 0,
+      aspectRatio: 0
+    };
+    this.lastFetchedEntry = null;
+    this.lastAnalyzedIndex = -1;
+    this.yield = {
+      every: 2, // do a flush every n flushes (must be greater than 1)
+      flushed: 0 // flushed rows without a yield
+    };
+    this.border = settings.border >= 0 ? settings.border : settings.margins;
+    this.maxRowHeight = this.retrieveMaxRowHeight();
+    this.suffixRanges = this.retrieveSuffixRanges();
+    this.offY = this.border;
+    this.rows = 0;
+    this.spinner = {
+      phase: 0,
+      timeSlot: 150,
+      $el: $('<div class="jg-spinner"><span></span><span></span><span></span></div>'),
+      intervalId: null
+    };
+    this.scrollBarOn = false;
+    this.checkWidthIntervalId = null;
+    this.galleryWidth = $gallery.width();
+    this.$gallery = $gallery;
+  
+  };
+  
+  /** @returns {String} the best suffix given the width and the height */
+  JustifiedGallery.prototype.getSuffix = function (width, height) {
+    var longestSide, i;
+    longestSide = (width > height) ? width : height;
+    for (i = 0; i < this.suffixRanges.length; i++) {
+      if (longestSide <= this.suffixRanges[i]) {
+        return this.settings.sizeRangeSuffixes[this.suffixRanges[i]];
+      }
+    }
+    return this.settings.sizeRangeSuffixes[this.suffixRanges[i - 1]];
+  };
+  
+  /**
+   * Remove the suffix from the string
+   *
+   * @returns {string} a new string without the suffix
+   */
+  JustifiedGallery.prototype.removeSuffix = function (str, suffix) {
+    return str.substring(0, str.length - suffix.length);
+  };
+  
+  /**
+   * @returns {boolean} a boolean to say if the suffix is contained in the str or not
+   */
+  JustifiedGallery.prototype.endsWith = function (str, suffix) {
+    return str.indexOf(suffix, str.length - suffix.length) !== -1;
+  };
+  
+  /**
+   * Get the used suffix of a particular url
+   *
+   * @param str
+   * @returns {String} return the used suffix
+   */
+  JustifiedGallery.prototype.getUsedSuffix = function (str) {
+    for (var si in this.settings.sizeRangeSuffixes) {
+      if (this.settings.sizeRangeSuffixes.hasOwnProperty(si)) {
+        if (this.settings.sizeRangeSuffixes[si].length === 0) continue;
+        if (this.endsWith(str, this.settings.sizeRangeSuffixes[si])) return this.settings.sizeRangeSuffixes[si];
+      }
+    }
+    return '';
+  };
+  
+  /**
+   * Given an image src, with the width and the height, returns the new image src with the
+   * best suffix to show the best quality thumbnail.
+   *
+   * @returns {String} the suffix to use
+   */
+  JustifiedGallery.prototype.newSrc = function (imageSrc, imgWidth, imgHeight, image) {
+    var newImageSrc;
+  
+    if (this.settings.thumbnailPath) {
+      newImageSrc = this.settings.thumbnailPath(imageSrc, imgWidth, imgHeight, image);
+    } else {
+      var matchRes = imageSrc.match(this.settings.extension);
+      var ext = (matchRes !== null) ? matchRes[0] : '';
+      newImageSrc = imageSrc.replace(this.settings.extension, '');
+      newImageSrc = this.removeSuffix(newImageSrc, this.getUsedSuffix(newImageSrc));
+      newImageSrc += this.getSuffix(imgWidth, imgHeight) + ext;
+    }
+  
+    return newImageSrc;
+  };
+  
+  /**
+   * Shows the images that is in the given entry
+   *
+   * @param $entry the entry
+   * @param callback the callback that is called when the show animation is finished
+   */
+  JustifiedGallery.prototype.showImg = function ($entry, callback) {
+    if (this.settings.cssAnimation) {
+      $entry.addClass('jg-entry-visible');
+      if (callback) callback();
+    } else {
+      $entry.stop().fadeTo(this.settings.imagesAnimationDuration, 1.0, callback);
+      $entry.find(this.settings.imgSelector).stop().fadeTo(this.settings.imagesAnimationDuration, 1.0, callback);
+    }
+  };
+  
+  /**
+   * Extract the image src form the image, looking from the 'safe-src', and if it can't be found, from the
+   * 'src' attribute. It saves in the image data the 'jg.originalSrc' field, with the extracted src.
+   *
+   * @param $image the image to analyze
+   * @returns {String} the extracted src
+   */
+  JustifiedGallery.prototype.extractImgSrcFromImage = function ($image) {
+    var imageSrc = $image.data('safe-src');
+    var imageSrcLoc = 'data-safe-src';
+    if (typeof imageSrc === 'undefined') {
+      imageSrc = $image.attr('src');
+      imageSrcLoc = 'src';
+    }
+    $image.data('jg.originalSrc', imageSrc); // this is saved for the destroy method
+    $image.data('jg.src', imageSrc); // this will change overtime
+    $image.data('jg.originalSrcLoc', imageSrcLoc); // this is saved for the destroy method
+    return imageSrc;
+  };
+  
+  /** @returns {jQuery} the image in the given entry */
+  JustifiedGallery.prototype.imgFromEntry = function ($entry) {
+    var $img = $entry.find(this.settings.imgSelector);
+    return $img.length === 0 ? null : $img;
+  };
+  
+  /** @returns {jQuery} the caption in the given entry */
+  JustifiedGallery.prototype.captionFromEntry = function ($entry) {
+    var $caption = $entry.find('> .jg-caption');
+    return $caption.length === 0 ? null : $caption;
+  };
+  
+  /**
+   * Display the entry
+   *
+   * @param {jQuery} $entry the entry to display
+   * @param {int} x the x position where the entry must be positioned
+   * @param y the y position where the entry must be positioned
+   * @param imgWidth the image width
+   * @param imgHeight the image height
+   * @param rowHeight the row height of the row that owns the entry
+   */
+  JustifiedGallery.prototype.displayEntry = function ($entry, x, y, imgWidth, imgHeight, rowHeight) {
+    $entry.width(imgWidth);
+    $entry.height(rowHeight);
+    $entry.css('top', y);
+    $entry.css('left', x);
+  
+    var $image = this.imgFromEntry($entry);
+    if ($image !== null) {
+      $image.css('width', imgWidth);
+      $image.css('height', imgHeight);
+      $image.css('margin-left', - imgWidth / 2);
+      $image.css('margin-top', - imgHeight / 2);
+  
+      // Image reloading for an high quality of thumbnails
+      var imageSrc = $image.data('jg.src');
+      if (imageSrc) {
+        imageSrc = this.newSrc(imageSrc, imgWidth, imgHeight, $image[0]);
+  
+        $image.one('error', function () {
+           this.resetImgSrc($image); //revert to the original thumbnail
+        });
+  
+        var loadNewImage = function () {
+          // if (imageSrc !== newImageSrc) { 
+            $image.attr('src', imageSrc);
+          // }
+        };
+  
+        if ($entry.data('jg.loaded') === 'skipped' && imageSrc) {
+          this.onImageEvent(imageSrc, (function() {
+            this.showImg($entry, loadNewImage); //load the new image after the fadeIn
+            $entry.data('jg.loaded', true);
+          }).bind(this));
+        } else {
+          this.showImg($entry, loadNewImage); //load the new image after the fadeIn
+        }
+      
+      }
+  
+    } else {
+      this.showImg($entry);
+    }
+  
+    this.displayEntryCaption($entry);
+  };
+  
+  /**
+   * Display the entry caption. If the caption element doesn't exists, it creates the caption using the 'alt'
+   * or the 'title' attributes.
+   *
+   * @param {jQuery} $entry the entry to process
+   */
+  JustifiedGallery.prototype.displayEntryCaption = function ($entry) {
+    var $image = this.imgFromEntry($entry);
+    if ($image !== null && this.settings.captions) {
+      var $imgCaption = this.captionFromEntry($entry);
+  
+      // Create it if it doesn't exists
+      if ($imgCaption === null) {
+        var caption = $image.attr('alt');
+        if (!this.isValidCaption(caption)) caption = $entry.attr('title');
+        if (this.isValidCaption(caption)) { // Create only we found something
+          $imgCaption = $('<div class="jg-caption">' + caption + '</div>');
+          $entry.append($imgCaption);
+          $entry.data('jg.createdCaption', true);
+        }
+      }
+  
+      // Create events (we check again the $imgCaption because it can be still inexistent)
+      if ($imgCaption !== null) {
+        if (!this.settings.cssAnimation) $imgCaption.stop().fadeTo(0, this.settings.captionSettings.nonVisibleOpacity);
+        this.addCaptionEventsHandlers($entry);
+      }
+    } else {
+      this.removeCaptionEventsHandlers($entry);
+    }
+  };
+  
+  /**
+   * Validates the caption
+   *
+   * @param caption The caption that should be validated
+   * @return {boolean} Validation result
+   */
+  JustifiedGallery.prototype.isValidCaption = function (caption) {
+    return (typeof caption !== 'undefined' && caption.length > 0);
+  };
+  
+  /**
+   * The callback for the event 'mouseenter'. It assumes that the event currentTarget is an entry.
+   * It shows the caption using jQuery (or using CSS if it is configured so)
+   *
+   * @param {Event} eventObject the event object
+   */
+  JustifiedGallery.prototype.onEntryMouseEnterForCaption = function (eventObject) {
+    var $caption = this.captionFromEntry($(eventObject.currentTarget));
+    if (this.settings.cssAnimation) {
+      $caption.addClass('jg-caption-visible').removeClass('jg-caption-hidden');
+    } else {
+      $caption.stop().fadeTo(this.settings.captionSettings.animationDuration,
+        this.settings.captionSettings.visibleOpacity);
+    }
+  };
+  
+  /**
+   * The callback for the event 'mouseleave'. It assumes that the event currentTarget is an entry.
+   * It hides the caption using jQuery (or using CSS if it is configured so)
+   *
+   * @param {Event} eventObject the event object
+   */
+  JustifiedGallery.prototype.onEntryMouseLeaveForCaption = function (eventObject) {
+    var $caption = this.captionFromEntry($(eventObject.currentTarget));
+    if (this.settings.cssAnimation) {
+      $caption.removeClass('jg-caption-visible').removeClass('jg-caption-hidden');
+    } else {
+      $caption.stop().fadeTo(this.settings.captionSettings.animationDuration,
+        this.settings.captionSettings.nonVisibleOpacity);
+    }
+  };
+  
+  /**
+   * Add the handlers of the entry for the caption
+   *
+   * @param $entry the entry to modify
+   */
+  JustifiedGallery.prototype.addCaptionEventsHandlers = function ($entry) {
+    var captionMouseEvents = $entry.data('jg.captionMouseEvents');
+    if (typeof captionMouseEvents === 'undefined') {
+      captionMouseEvents = {
+        mouseenter: $.proxy(this.onEntryMouseEnterForCaption, this),
+        mouseleave: $.proxy(this.onEntryMouseLeaveForCaption, this)
+      };
+      $entry.on('mouseenter', undefined, undefined, captionMouseEvents.mouseenter);
+      $entry.on('mouseleave', undefined, undefined, captionMouseEvents.mouseleave);
+      $entry.data('jg.captionMouseEvents', captionMouseEvents);
+    }
+  };
+  
+  /**
+   * Remove the handlers of the entry for the caption
+   *
+   * @param $entry the entry to modify
+   */
+  JustifiedGallery.prototype.removeCaptionEventsHandlers = function ($entry) {
+    var captionMouseEvents = $entry.data('jg.captionMouseEvents');
+    if (typeof captionMouseEvents !== 'undefined') {
+      $entry.off('mouseenter', undefined, captionMouseEvents.mouseenter);
+      $entry.off('mouseleave', undefined, captionMouseEvents.mouseleave);
+      $entry.removeData('jg.captionMouseEvents');
+    }
+  };
+  
+  /**
+   * Clear the building row data to be used for a new row
+   */
+  JustifiedGallery.prototype.clearBuildingRow = function () {
+    this.buildingRow.entriesBuff = [];
+    this.buildingRow.aspectRatio = 0;
+    this.buildingRow.width = 0;
+  };
+  
+  /**
+   * Justify the building row, preparing it to
+   *
+   * @param isLastRow
+   * @param hiddenRow undefined or false for normal behavior. hiddenRow = true to hide the row.
+   * @returns a boolean to know if the row has been justified or not
+   */
+  JustifiedGallery.prototype.prepareBuildingRow = function (isLastRow, hiddenRow) {
+    var i, $entry, imgAspectRatio, newImgW, newImgH, justify = true;
+    var minHeight = 0;
+    var availableWidth = this.galleryWidth - 2 * this.border - (
+      (this.buildingRow.entriesBuff.length - 1) * this.settings.margins);
+    var rowHeight = availableWidth / this.buildingRow.aspectRatio;
+    var defaultRowHeight = this.settings.rowHeight;
+    var justifiable = this.buildingRow.width / availableWidth > this.settings.justifyThreshold;
+  
+    //Skip the last row if we can't justify it and the lastRow == 'hide'
+    if (hiddenRow || (isLastRow && this.settings.lastRow === 'hide' && !justifiable)) {
+      for (i = 0; i < this.buildingRow.entriesBuff.length; i++) {
+        $entry = this.buildingRow.entriesBuff[i];
+        if (this.settings.cssAnimation)
+          $entry.removeClass('jg-entry-visible');
+        else {
+          $entry.stop().fadeTo(0, 0.1);
+          $entry.find('> img, > a > img').fadeTo(0, 0);
+        }
+      }
+      return -1;
+    }
+  
+    // With lastRow = nojustify, justify if is justificable (the images will not become too big)
+    if (isLastRow && !justifiable && this.settings.lastRow !== 'justify' && this.settings.lastRow !== 'hide') {
+      justify = false;
+  
+      if (this.rows > 0) {
+        defaultRowHeight = (this.offY - this.border - this.settings.margins * this.rows) / this.rows;
+        justify = defaultRowHeight * this.buildingRow.aspectRatio / availableWidth > this.settings.justifyThreshold;
+      }
+    }
+  
+    for (i = 0; i < this.buildingRow.entriesBuff.length; i++) {
+      $entry = this.buildingRow.entriesBuff[i];
+      imgAspectRatio = $entry.data('jg.width') / $entry.data('jg.height');
+  
+      if (justify) {
+        newImgW = (i === this.buildingRow.entriesBuff.length - 1) ? availableWidth : rowHeight * imgAspectRatio;
+        newImgH = rowHeight;
+      } else {
+        newImgW = defaultRowHeight * imgAspectRatio;
+        newImgH = defaultRowHeight;
+      }
+  
+      availableWidth -= Math.round(newImgW);
+      $entry.data('jg.jwidth', Math.round(newImgW));
+      $entry.data('jg.jheight', Math.ceil(newImgH));
+      if (i === 0 || minHeight > newImgH) minHeight = newImgH;
+    }
+  
+    this.buildingRow.height = minHeight;
+    return justify;
+  };
+  
+  /**
+   * Flush a row: justify it, modify the gallery height accordingly to the row height
+   *
+   * @param isLastRow
+   * @param hiddenRow undefined or false for normal behavior. hiddenRow = true to hide the row.
+   */
+  JustifiedGallery.prototype.flushRow = function (isLastRow, hiddenRow) {
+    var settings = this.settings;
+    var $entry, buildingRowRes, offX = this.border, i;
+  
+    buildingRowRes = this.prepareBuildingRow(isLastRow, hiddenRow);
+    if (hiddenRow || (isLastRow && settings.lastRow === 'hide' && buildingRowRes === -1)) {
+      this.clearBuildingRow();
+      return;
+    }
+  
+    if (this.maxRowHeight) {
+      if (this.maxRowHeight < this.buildingRow.height) this.buildingRow.height = this.maxRowHeight;
+    }
+  
+    //Align last (unjustified) row
+    if (isLastRow && (settings.lastRow === 'center' || settings.lastRow === 'right')) {
+      var availableWidth = this.galleryWidth - 2 * this.border - (this.buildingRow.entriesBuff.length - 1) * settings.margins;
+  
+      for (i = 0; i < this.buildingRow.entriesBuff.length; i++) {
+        $entry = this.buildingRow.entriesBuff[i];
+        availableWidth -= $entry.data('jg.jwidth');
+      }
+  
+      if (settings.lastRow === 'center')
+        offX += Math.round(availableWidth / 2);
+      else if (settings.lastRow === 'right')
+        offX += availableWidth;
+    }
+  
+    var lastEntryIdx = this.buildingRow.entriesBuff.length - 1;
+    for (i = 0; i <= lastEntryIdx; i++) {
+      $entry = this.buildingRow.entriesBuff[this.settings.rtl ? lastEntryIdx - i : i];
+      this.displayEntry($entry, offX, this.offY, $entry.data('jg.jwidth'), $entry.data('jg.jheight'), this.buildingRow.height);
+      offX += $entry.data('jg.jwidth') + settings.margins;
+    }
+  
+    //Gallery Height
+    this.galleryHeightToSet = this.offY + this.buildingRow.height + this.border;
+    this.setGalleryTempHeight(this.galleryHeightToSet + this.getSpinnerHeight());
+  
+    if (!isLastRow || (this.buildingRow.height <= settings.rowHeight && buildingRowRes)) {
+      //Ready for a new row
+      this.offY += this.buildingRow.height + settings.margins;
+      this.rows += 1;
+      this.clearBuildingRow();
+      this.settings.triggerEvent.call(this, 'jg.rowflush');
+    }
+  };
+  
+  
+  // Scroll position not restoring: https://github.com/miromannino/Justified-Gallery/issues/221
+  var galleryPrevStaticHeight = 0;
+  
+  JustifiedGallery.prototype.rememberGalleryHeight = function () {
+    galleryPrevStaticHeight = this.$gallery.height();
+    this.$gallery.height(galleryPrevStaticHeight);
+  };
+  
+  // grow only
+  JustifiedGallery.prototype.setGalleryTempHeight = function (height) {
+    galleryPrevStaticHeight = Math.max(height, galleryPrevStaticHeight);
+    this.$gallery.height(galleryPrevStaticHeight);
+  };
+  
+  JustifiedGallery.prototype.setGalleryFinalHeight = function (height) {
+    galleryPrevStaticHeight = height;
+    this.$gallery.height(height);
+  };
+  
+  /**
+   * Checks the width of the gallery container, to know if a new justification is needed
+   */
+  JustifiedGallery.prototype.checkWidth = function () {
+    this.checkWidthIntervalId = setInterval($.proxy(function () {
+  
+      // if the gallery is not currently visible, abort.
+      if (!this.$gallery.is(":visible")) return;
+  
+      var galleryWidth = parseFloat(this.$gallery.width());
+      if (Math.abs(galleryWidth - this.galleryWidth) > this.settings.refreshSensitivity) {
+        this.galleryWidth = galleryWidth;
+        this.rewind();
+  
+        this.rememberGalleryHeight();
+  
+        // Restart to analyze
+        this.startImgAnalyzer(true);
+      }
+    }, this), this.settings.refreshTime);
+  };
+  
+  /**
+   * @returns {boolean} a boolean saying if the spinner is active or not
+   */
+  JustifiedGallery.prototype.isSpinnerActive = function () {
+    return this.spinner.intervalId !== null;
+  };
+  
+  /**
+   * @returns {int} the spinner height
+   */
+  JustifiedGallery.prototype.getSpinnerHeight = function () {
+    return this.spinner.$el.innerHeight();
+  };
+  
+  /**
+   * Stops the spinner animation and modify the gallery height to exclude the spinner
+   */
+  JustifiedGallery.prototype.stopLoadingSpinnerAnimation = function () {
+    clearInterval(this.spinner.intervalId);
+    this.spinner.intervalId = null;
+    this.setGalleryTempHeight(this.$gallery.height() - this.getSpinnerHeight());
+    this.spinner.$el.detach();
+  };
+  
+  /**
+   * Starts the spinner animation
+   */
+  JustifiedGallery.prototype.startLoadingSpinnerAnimation = function () {
+    var spinnerContext = this.spinner;
+    var $spinnerPoints = spinnerContext.$el.find('span');
+    clearInterval(spinnerContext.intervalId);
+    this.$gallery.append(spinnerContext.$el);
+    this.setGalleryTempHeight(this.offY + this.buildingRow.height + this.getSpinnerHeight());
+    spinnerContext.intervalId = setInterval(function () {
+      if (spinnerContext.phase < $spinnerPoints.length) {
+        $spinnerPoints.eq(spinnerContext.phase).fadeTo(spinnerContext.timeSlot, 1);
+      } else {
+        $spinnerPoints.eq(spinnerContext.phase - $spinnerPoints.length).fadeTo(spinnerContext.timeSlot, 0);
+      }
+      spinnerContext.phase = (spinnerContext.phase + 1) % ($spinnerPoints.length * 2);
+    }, spinnerContext.timeSlot);
+  };
+  
+  /**
+   * Rewind the image analysis to start from the first entry.
+   */
+  JustifiedGallery.prototype.rewind = function () {
+    this.lastFetchedEntry = null;
+    this.lastAnalyzedIndex = -1;
+    this.offY = this.border;
+    this.rows = 0;
+    this.clearBuildingRow();
+  };
+  
+  /**
+   * @returns {String} `settings.selector` rejecting spinner element
+   */
+  JustifiedGallery.prototype.getSelectorWithoutSpinner = function () {
+    return this.settings.selector + ', div:not(.jg-spinner)';
+  };
+  
+  /**
+   * @returns {Array} all entries matched by `settings.selector`
+   */
+  JustifiedGallery.prototype.getAllEntries = function () {
+    var selector = this.getSelectorWithoutSpinner();
+    return this.$gallery.children(selector).toArray();
+  };
+  
+  /**
+   * Update the entries searching it from the justified gallery HTML element
+   *
+   * @param norewind if norewind only the new entries will be changed (i.e. randomized, sorted or filtered)
+   * @returns {boolean} true if some entries has been founded
+   */
+  JustifiedGallery.prototype.updateEntries = function (norewind) {
+    var newEntries;
+  
+    if (norewind && this.lastFetchedEntry != null) {
+      var selector = this.getSelectorWithoutSpinner();
+      newEntries = $(this.lastFetchedEntry).nextAll(selector).toArray();
+    } else {
+      this.entries = [];
+      newEntries = this.getAllEntries();
+    }
+  
+    if (newEntries.length > 0) {
+  
+      // Sort or randomize
+      if ($.isFunction(this.settings.sort)) {
+        newEntries = this.sortArray(newEntries);
+      } else if (this.settings.randomize) {
+        newEntries = this.shuffleArray(newEntries);
+      }
+      this.lastFetchedEntry = newEntries[newEntries.length - 1];
+  
+      // Filter
+      if (this.settings.filter) {
+        newEntries = this.filterArray(newEntries);
+      } else {
+        this.resetFilters(newEntries);
+      }
+  
+    }
+  
+    this.entries = this.entries.concat(newEntries);
+    return true;
+  };
+  
+  /**
+   * Apply the entries order to the DOM, iterating the entries and appending the images
+   *
+   * @param entries the entries that has been modified and that must be re-ordered in the DOM
+   */
+  JustifiedGallery.prototype.insertToGallery = function (entries) {
+    var that = this;
+    $.each(entries, function () {
+      $(this).appendTo(that.$gallery);
+    });
+  };
+  
+  /**
+   * Shuffle the array using the Fisher-Yates shuffle algorithm
+   *
+   * @param a the array to shuffle
+   * @return the shuffled array
+   */
+  JustifiedGallery.prototype.shuffleArray = function (a) {
+    var i, j, temp;
+    for (i = a.length - 1; i > 0; i--) {
+      j = Math.floor(Math.random() * (i + 1));
+      temp = a[i];
+      a[i] = a[j];
+      a[j] = temp;
+    }
+    this.insertToGallery(a);
+    return a;
+  };
+  
+  /**
+   * Sort the array using settings.comparator as comparator
+   *
+   * @param a the array to sort (it is sorted)
+   * @return the sorted array
+   */
+  JustifiedGallery.prototype.sortArray = function (a) {
+    a.sort(this.settings.sort);
+    this.insertToGallery(a);
+    return a;
+  };
+  
+  /**
+   * Reset the filters removing the 'jg-filtered' class from all the entries
+   *
+   * @param a the array to reset
+   */
+  JustifiedGallery.prototype.resetFilters = function (a) {
+    for (var i = 0; i < a.length; i++) $(a[i]).removeClass('jg-filtered');
+  };
+  
+  /**
+   * Filter the entries considering theirs classes (if a string has been passed) or using a function for filtering.
+   *
+   * @param a the array to filter
+   * @return the filtered array
+   */
+  JustifiedGallery.prototype.filterArray = function (a) {
+    var settings = this.settings;
+    if ($.type(settings.filter) === 'string') {
+      // Filter only keeping the entries passed in the string
+      return a.filter(function (el) {
+        var $el = $(el);
+        if ($el.is(settings.filter)) {
+          $el.removeClass('jg-filtered');
+          return true;
+        } else {
+          $el.addClass('jg-filtered').removeClass('jg-visible');
+          return false;
+        }
+      });
+    } else if ($.isFunction(settings.filter)) {
+      // Filter using the passed function
+      var filteredArr = a.filter(settings.filter);
+      for (var i = 0; i < a.length; i++) {
+        if (filteredArr.indexOf(a[i]) === -1) {
+          $(a[i]).addClass('jg-filtered').removeClass('jg-visible');
+        } else {
+          $(a[i]).removeClass('jg-filtered');
+        }
+      }
+      return filteredArr;
+    }
+  };
+  
+  /**
+   * Revert the image src to the default value.
+   */
+  JustifiedGallery.prototype.resetImgSrc = function ($img) {
+    if ($img.data('jg.originalSrcLoc') === 'src') {
+      $img.attr('src', $img.data('jg.originalSrc'));
+    } else {
+      $img.attr('src', '');
+    }
+  };
+  
+  /**
+   * Destroy the Justified Gallery instance.
+   *
+   * It clears all the css properties added in the style attributes. We doesn't backup the original
+   * values for those css attributes, because it costs (performance) and because in general one
+   * shouldn't use the style attribute for an uniform set of images (where we suppose the use of
+   * classes). Creating a backup is also difficult because JG could be called multiple times and
+   * with different style attributes.
+   */
+  JustifiedGallery.prototype.destroy = function () {
+    clearInterval(this.checkWidthIntervalId);
+    this.stopImgAnalyzerStarter();
+  
+    // Get fresh entries list since filtered entries are absent in `this.entries`
+    $.each(this.getAllEntries(), $.proxy(function (_, entry) {
+      var $entry = $(entry);
+  
+      // Reset entry style
+      $entry.css('width', '');
+      $entry.css('height', '');
+      $entry.css('top', '');
+      $entry.css('left', '');
+      $entry.data('jg.loaded', undefined);
+      $entry.removeClass('jg-entry jg-filtered jg-entry-visible');
+  
+      // Reset image style
+      var $img = this.imgFromEntry($entry);
+      if ($img) {
+        $img.css('width', '');
+        $img.css('height', '');
+        $img.css('margin-left', '');
+        $img.css('margin-top', '');
+        this.resetImgSrc($img);
+        $img.data('jg.originalSrc', undefined);
+        $img.data('jg.originalSrcLoc', undefined);
+        $img.data('jg.src', undefined);
+      }
+  
+      // Remove caption
+      this.removeCaptionEventsHandlers($entry);
+      var $caption = this.captionFromEntry($entry);
+      if ($entry.data('jg.createdCaption')) {
+        // remove also the caption element (if created by jg)
+        $entry.data('jg.createdCaption', undefined);
+        if ($caption !== null) $caption.remove();
+      } else {
+        if ($caption !== null) $caption.fadeTo(0, 1);
+      }
+  
+    }, this));
+  
+    this.$gallery.css('height', '');
+    this.$gallery.removeClass('justified-gallery');
+    this.$gallery.data('jg.controller', undefined);
+    this.settings.triggerEvent.call(this, 'jg.destroy');
+  };
+  
+  /**
+   * Analyze the images and builds the rows. It returns if it found an image that is not loaded.
+   *
+   * @param isForResize if the image analyzer is called for resizing or not, to call a different callback at the end
+   */
+  JustifiedGallery.prototype.analyzeImages = function (isForResize) {
+    for (var i = this.lastAnalyzedIndex + 1; i < this.entries.length; i++) {
+      var $entry = $(this.entries[i]);
+      if ($entry.data('jg.loaded') === true || $entry.data('jg.loaded') === 'skipped') {
+        var availableWidth = this.galleryWidth - 2 * this.border - (
+          (this.buildingRow.entriesBuff.length - 1) * this.settings.margins);
+        var imgAspectRatio = $entry.data('jg.width') / $entry.data('jg.height');
+  
+        this.buildingRow.entriesBuff.push($entry);
+        this.buildingRow.aspectRatio += imgAspectRatio;
+        this.buildingRow.width += imgAspectRatio * this.settings.rowHeight;
+        this.lastAnalyzedIndex = i;
+  
+        if (availableWidth / (this.buildingRow.aspectRatio + imgAspectRatio) < this.settings.rowHeight) {
+          this.flushRow(false, this.settings.maxRowsCount > 0 && this.rows === this.settings.maxRowsCount);
+  
+          if (++this.yield.flushed >= this.yield.every) {
+            this.startImgAnalyzer(isForResize);
+            return;
+          }
+        }
+      } else if ($entry.data('jg.loaded') !== 'error') {
+        return;
+      }
+    }
+  
+    // Last row flush (the row is not full)
+    if (this.buildingRow.entriesBuff.length > 0) {
+      this.flushRow(true, this.settings.maxRowsCount > 0 && this.rows === this.settings.maxRowsCount);
+    }
+  
+    if (this.isSpinnerActive()) {
+      this.stopLoadingSpinnerAnimation();
+    }
+  
+    /* Stop, if there is, the timeout to start the analyzeImages.
+     This is because an image can be set loaded, and the timeout can be set,
+     but this image can be analyzed yet.
+     */
+    this.stopImgAnalyzerStarter();
+  
+    this.setGalleryFinalHeight(this.galleryHeightToSet);
+    
+    //On complete callback
+    this.settings.triggerEvent.call(this, isForResize ? 'jg.resize' : 'jg.complete');
+  };
+  
+  /**
+   * Stops any ImgAnalyzer starter (that has an assigned timeout)
+   */
+  JustifiedGallery.prototype.stopImgAnalyzerStarter = function () {
+    this.yield.flushed = 0;
+    if (this.imgAnalyzerTimeout !== null) {
+      clearTimeout(this.imgAnalyzerTimeout);
+      this.imgAnalyzerTimeout = null;
+    }
+  };
+  
+  /**
+   * Starts the image analyzer. It is not immediately called to let the browser to update the view
+   *
+   * @param isForResize specifies if the image analyzer must be called for resizing or not
+   */
+  JustifiedGallery.prototype.startImgAnalyzer = function (isForResize) {
+    var that = this;
+    this.stopImgAnalyzerStarter();
+    this.imgAnalyzerTimeout = setTimeout(function () {
+      that.analyzeImages(isForResize);
+    }, 0.001); // we can't start it immediately due to a IE different behaviour
+  };
+  
+  /**
+   * Checks if the image is loaded or not using another image object. We cannot use the 'complete' image property,
+   * because some browsers, with a 404 set complete = true.
+   *
+   * @param imageSrc the image src to load
+   * @param onLoad callback that is called when the image has been loaded
+   * @param onError callback that is called in case of an error
+   */
+  JustifiedGallery.prototype.onImageEvent = function (imageSrc, onLoad, onError) {
+    if (!onLoad && !onError) return;
+  
+    var memImage = new Image();
+    var $memImage = $(memImage);
+    if (onLoad) {
+      $memImage.one('load', function () {
+        $memImage.off('load error');
+        onLoad(memImage);
+      });
+    }
+    if (onError) {
+      $memImage.one('error', function () {
+        $memImage.off('load error');
+        onError(memImage);
+      });
+    }
+    memImage.src = imageSrc;
+  };
+  
+  /**
+   * Init of Justified Gallery controlled
+   * It analyzes all the entries starting theirs loading and calling the image analyzer (that works with loaded images)
+   */
+  JustifiedGallery.prototype.init = function () {
+    var imagesToLoad = false, skippedImages = false, that = this;
+    $.each(this.entries, function (index, entry) {
+      var $entry = $(entry);
+      var $image = that.imgFromEntry($entry);
+  
+      $entry.addClass('jg-entry');
+  
+      if ($entry.data('jg.loaded') !== true && $entry.data('jg.loaded') !== 'skipped') {
+  
+        // Link Rel global overwrite
+        if (that.settings.rel !== null) $entry.attr('rel', that.settings.rel);
+  
+        // Link Target global overwrite
+        if (that.settings.target !== null) $entry.attr('target', that.settings.target);
+  
+        if ($image !== null) {
+  
+          // Image src
+          var imageSrc = that.extractImgSrcFromImage($image);
+  
+          /* If we have the height and the width, we don't wait that the image is loaded, 
+             but we start directly with the justification */
+          if (that.settings.waitThumbnailsLoad === false || !imageSrc) {
+            var width = parseFloat($image.attr('width'));
+            var height = parseFloat($image.attr('height'));
+            if ($image.prop('tagName') === 'svg') {
+              width = parseFloat($image[0].getBBox().width);
+              height = parseFloat($image[0].getBBox().height);
+            }
+            if (!isNaN(width) && !isNaN(height)) {
+              $entry.data('jg.width', width);
+              $entry.data('jg.height', height);
+              $entry.data('jg.loaded', 'skipped');
+              skippedImages = true;
+              that.startImgAnalyzer(false);
+              return true; // continue
+            }
+          }
+  
+          $entry.data('jg.loaded', false);
+          imagesToLoad = true;
+  
+          // Spinner start
+          if (!that.isSpinnerActive()) that.startLoadingSpinnerAnimation();
+  
+          that.onImageEvent(imageSrc, function (loadImg) { // image loaded
+            $entry.data('jg.width', loadImg.width);
+            $entry.data('jg.height', loadImg.height);
+            $entry.data('jg.loaded', true);
+            that.startImgAnalyzer(false);
+          }, function () { // image load error
+            $entry.data('jg.loaded', 'error');
+            that.startImgAnalyzer(false);
+          });
+  
+        } else {
+          $entry.data('jg.loaded', true);
+          $entry.data('jg.width', $entry.width() | parseFloat($entry.css('width')) | 1);
+          $entry.data('jg.height', $entry.height() | parseFloat($entry.css('height')) | 1);
+        }
+  
+      }
+  
+    });
+  
+    if (!imagesToLoad && !skippedImages) this.startImgAnalyzer(false);
+    this.checkWidth();
+  };
+  
+  /**
+   * Checks that it is a valid number. If a string is passed it is converted to a number
+   *
+   * @param settingContainer the object that contains the setting (to allow the conversion)
+   * @param settingName the setting name
+   */
+  JustifiedGallery.prototype.checkOrConvertNumber = function (settingContainer, settingName) {
+    if ($.type(settingContainer[settingName]) === 'string') {
+      settingContainer[settingName] = parseFloat(settingContainer[settingName]);
+    }
+  
+    if ($.type(settingContainer[settingName]) === 'number') {
+      if (isNaN(settingContainer[settingName])) throw 'invalid number for ' + settingName;
+    } else {
+      throw settingName + ' must be a number';
+    }
+  };
+  
+  /**
+   * Checks the sizeRangeSuffixes and, if necessary, converts
+   * its keys from string (e.g. old settings with 'lt100') to int.
+   */
+  JustifiedGallery.prototype.checkSizeRangesSuffixes = function () {
+    if ($.type(this.settings.sizeRangeSuffixes) !== 'object') {
+      throw 'sizeRangeSuffixes must be defined and must be an object';
+    }
+  
+    var suffixRanges = [];
+    for (var rangeIdx in this.settings.sizeRangeSuffixes) {
+      if (this.settings.sizeRangeSuffixes.hasOwnProperty(rangeIdx)) suffixRanges.push(rangeIdx);
+    }
+  
+    var newSizeRngSuffixes = { 0: '' };
+    for (var i = 0; i < suffixRanges.length; i++) {
+      if ($.type(suffixRanges[i]) === 'string') {
+        try {
+          var numIdx = parseInt(suffixRanges[i].replace(/^[a-z]+/, ''), 10);
+          newSizeRngSuffixes[numIdx] = this.settings.sizeRangeSuffixes[suffixRanges[i]];
+        } catch (e) {
+          throw 'sizeRangeSuffixes keys must contains correct numbers (' + e + ')';
+        }
+      } else {
+        newSizeRngSuffixes[suffixRanges[i]] = this.settings.sizeRangeSuffixes[suffixRanges[i]];
+      }
+    }
+  
+    this.settings.sizeRangeSuffixes = newSizeRngSuffixes;
+  };
+  
+  /**
+   * check and convert the maxRowHeight setting
+   * requires rowHeight to be already set
+   * TODO: should be always called when only rowHeight is changed
+   * @return number or null
+   */
+  JustifiedGallery.prototype.retrieveMaxRowHeight = function () {
+    var newMaxRowHeight = null;
+    var rowHeight = this.settings.rowHeight;
+  
+    if ($.type(this.settings.maxRowHeight) === 'string') {
+      if (this.settings.maxRowHeight.match(/^[0-9]+%$/)) {
+        newMaxRowHeight = rowHeight * parseFloat(this.settings.maxRowHeight.match(/^([0-9]+)%$/)[1]) / 100;
+      } else {
+        newMaxRowHeight = parseFloat(this.settings.maxRowHeight);
+      }
+    } else if ($.type(this.settings.maxRowHeight) === 'number') {
+      newMaxRowHeight = this.settings.maxRowHeight;
+    } else if (this.settings.maxRowHeight === false || this.settings.maxRowHeight == null) {
+      return null;
+    } else {
+      throw 'maxRowHeight must be a number or a percentage';
+    }
+  
+    // check if the converted value is not a number
+    if (isNaN(newMaxRowHeight)) throw 'invalid number for maxRowHeight';
+  
+    // check values, maxRowHeight must be >= rowHeight
+    if (newMaxRowHeight < rowHeight) newMaxRowHeight = rowHeight;
+  
+    return newMaxRowHeight;
+  };
+  
+  /**
+   * Checks the settings
+   */
+  JustifiedGallery.prototype.checkSettings = function () {
+    this.checkSizeRangesSuffixes();
+  
+    this.checkOrConvertNumber(this.settings, 'rowHeight');
+    this.checkOrConvertNumber(this.settings, 'margins');
+    this.checkOrConvertNumber(this.settings, 'border');
+    this.checkOrConvertNumber(this.settings, 'maxRowsCount');
+  
+    var lastRowModes = [
+      'justify',
+      'nojustify',
+      'left',
+      'center',
+      'right',
+      'hide'
+    ];
+    if (lastRowModes.indexOf(this.settings.lastRow) === -1) {
+      throw 'lastRow must be one of: ' + lastRowModes.join(', ');
+    }
+  
+    this.checkOrConvertNumber(this.settings, 'justifyThreshold');
+    if (this.settings.justifyThreshold < 0 || this.settings.justifyThreshold > 1) {
+      throw 'justifyThreshold must be in the interval [0,1]';
+    }
+    if ($.type(this.settings.cssAnimation) !== 'boolean') {
+      throw 'cssAnimation must be a boolean';
+    }
+  
+    if ($.type(this.settings.captions) !== 'boolean') throw 'captions must be a boolean';
+    this.checkOrConvertNumber(this.settings.captionSettings, 'animationDuration');
+  
+    this.checkOrConvertNumber(this.settings.captionSettings, 'visibleOpacity');
+    if (this.settings.captionSettings.visibleOpacity < 0 ||
+      this.settings.captionSettings.visibleOpacity > 1) {
+      throw 'captionSettings.visibleOpacity must be in the interval [0, 1]';
+    }
+  
+    this.checkOrConvertNumber(this.settings.captionSettings, 'nonVisibleOpacity');
+    if (this.settings.captionSettings.nonVisibleOpacity < 0 ||
+      this.settings.captionSettings.nonVisibleOpacity > 1) {
+      throw 'captionSettings.nonVisibleOpacity must be in the interval [0, 1]';
+    }
+  
+    this.checkOrConvertNumber(this.settings, 'imagesAnimationDuration');
+    this.checkOrConvertNumber(this.settings, 'refreshTime');
+    this.checkOrConvertNumber(this.settings, 'refreshSensitivity');
+    if ($.type(this.settings.randomize) !== 'boolean') throw 'randomize must be a boolean';
+    if ($.type(this.settings.selector) !== 'string') throw 'selector must be a string';
+  
+    if (this.settings.sort !== false && !$.isFunction(this.settings.sort)) {
+      throw 'sort must be false or a comparison function';
+    }
+  
+    if (this.settings.filter !== false && !$.isFunction(this.settings.filter) &&
+      $.type(this.settings.filter) !== 'string') {
+      throw 'filter must be false, a string or a filter function';
+    }
+  };
+  
+  /**
+   * It brings all the indexes from the sizeRangeSuffixes and it orders them. They are then sorted and returned.
+   * @returns {Array} sorted suffix ranges
+   */
+  JustifiedGallery.prototype.retrieveSuffixRanges = function () {
+    var suffixRanges = [];
+    for (var rangeIdx in this.settings.sizeRangeSuffixes) {
+      if (this.settings.sizeRangeSuffixes.hasOwnProperty(rangeIdx)) suffixRanges.push(parseInt(rangeIdx, 10));
+    }
+    suffixRanges.sort(function (a, b) { return a > b ? 1 : a < b ? -1 : 0; });
+    return suffixRanges;
+  };
+  
+  /**
+   * Update the existing settings only changing some of them
+   *
+   * @param newSettings the new settings (or a subgroup of them)
+   */
+  JustifiedGallery.prototype.updateSettings = function (newSettings) {
+    // In this case Justified Gallery has been called again changing only some options
+    this.settings = $.extend({}, this.settings, newSettings);
+    this.checkSettings();
+  
+    // As reported in the settings: negative value = same as margins, 0 = disabled
+    this.border = this.settings.border >= 0 ? this.settings.border : this.settings.margins;
+  
+    this.maxRowHeight = this.retrieveMaxRowHeight();
+    this.suffixRanges = this.retrieveSuffixRanges();
+  };
+  
+  JustifiedGallery.prototype.defaults = {
+    sizeRangeSuffixes: {}, /* e.g. Flickr configuration
+        {
+          100: '_t',  // used when longest is less than 100px
+          240: '_m',  // used when longest is between 101px and 240px
+          320: '_n',  // ...
+          500: '',
+          640: '_z',
+          1024: '_b'  // used as else case because it is the last
+        }
+    */
+    thumbnailPath: undefined, /* If defined, sizeRangeSuffixes is not used, and this function is used to determine the
+    path relative to a specific thumbnail size. The function should accept respectively three arguments:
+    current path, width and height */
+    rowHeight: 120, // required? required to be > 0?
+    maxRowHeight: false, // false or negative value to deactivate. Positive number to express the value in pixels,
+    // A string '[0-9]+%' to express in percentage (e.g. 300% means that the row height
+    // can't exceed 3 * rowHeight)
+    maxRowsCount: 0, // maximum number of rows to be displayed (0 = disabled)
+    margins: 1,
+    border: -1, // negative value = same as margins, 0 = disabled, any other value to set the border
+  
+    lastRow: 'nojustify', // … which is the same as 'left', or can be 'justify', 'center', 'right' or 'hide'
+  
+    justifyThreshold: 0.90, /* if row width / available space > 0.90 it will be always justified
+                             * (i.e. lastRow setting is not considered) */
+    waitThumbnailsLoad: true,
+    captions: true,
+    cssAnimation: true,
+    imagesAnimationDuration: 500, // ignored with css animations
+    captionSettings: { // ignored with css animations
+      animationDuration: 500,
+      visibleOpacity: 0.7,
+      nonVisibleOpacity: 0.0
+    },
+    rel: null, // rewrite the rel of each analyzed links
+    target: null, // rewrite the target of all links
+    extension: /\.[^.\\/]+$/, // regexp to capture the extension of an image
+    refreshTime: 200, // time interval (in ms) to check if the page changes its width
+    refreshSensitivity: 0, // change in width allowed (in px) without re-building the gallery
+    randomize: false,
+    rtl: false, // right-to-left mode
+    sort: false, /*
+      - false: to do not sort
+      - function: to sort them using the function as comparator (see Array.prototype.sort())
+    */
+    filter: false, /*
+      - false, null or undefined: for a disabled filter
+      - a string: an entry is kept if entry.is(filter string) returns true
+                  see jQuery's .is() function for further information
+      - a function: invoked with arguments (entry, index, array). Return true to keep the entry, false otherwise.
+                    It follows the specifications of the Array.prototype.filter() function of JavaScript.
+    */
+    selector: 'a', // The selector that is used to know what are the entries of the gallery
+    imgSelector: '> img, > a > img, > svg, > a > svg', // The selector that is used to know what are the images of each entry
+    triggerEvent: function (event) { // This is called to trigger events, the default behavior is to call $.trigger
+      this.$gallery.trigger(event);  // Consider that 'this' is this set to the JustifiedGallery object, so it can
+    }                                // access to fields such as $gallery, useful to trigger events with jQuery.
+  };
+  
+
+  /**
+   * Justified Gallery plugin for jQuery
+   *
+   * Events
+   *  - jg.complete : called when all the gallery has been created
+   *  - jg.resize : called when the gallery has been resized
+   *  - jg.rowflush : when a new row appears
+   *
+   * @param arg the action (or the settings) passed when the plugin is called
+   * @returns {*} the object itself
+   */
+  $.fn.justifiedGallery = function (arg) {
+    return this.each(function (index, gallery) {
+
+      var $gallery = $(gallery);
+      $gallery.addClass('justified-gallery');
+
+      var controller = $gallery.data('jg.controller');
+      if (typeof controller === 'undefined') {
+        // Create controller and assign it to the object data
+        if (typeof arg !== 'undefined' && arg !== null && $.type(arg) !== 'object') {
+          if (arg === 'destroy') return; // Just a call to an unexisting object
+          throw 'The argument must be an object';
+        }
+        controller = new JustifiedGallery($gallery, $.extend({}, JustifiedGallery.prototype.defaults, arg));
+        $gallery.data('jg.controller', controller);
+      } else if (arg === 'norewind') {
+        // In this case we don't rewind: we analyze only the latest images (e.g. to complete the last unfinished row
+        // ... left to be more readable
+      } else if (arg === 'destroy') {
+        controller.destroy();
+        return;
+      } else {
+        // In this case Justified Gallery has been called again changing only some options
+        controller.updateSettings(arg);
+        controller.rewind();
+      }
+
+      // Update the entries list
+      if (!controller.updateEntries(arg === 'norewind')) return;
+
+      // Init justified gallery
+      controller.init();
+
+    });
+  };
+
+}));