text: if (typeof Object.create !== 'function') {
      Object.create = function(obj) {
          function F() {}
          F.prototype = obj;
          return new F();
      };
  }
  
  (function($, window, document, undefined) {
      $.fn.socialfeed = function(_options) {
  
          var defaults = {
              plugin_folder: '', // a folder in which the plugin is located (with a slash in the end)
              template: 'template.html', // a path to the template file
              show_media: false, // show images of attachments if available
              media_min_width: 300,
              length: 500, // maximum length of post message shown
              date_format: 'll',
              date_locale: 'en'
          };
          //---------------------------------------------------------------------------------
          var options = $.extend(defaults, _options),
              container = $(this),
              social_networks = ['facebook', 'instagram', 'vk', 'google', 'blogspot', 'twitter', 'pinterest', 'rss'],
              posts_to_load_count = 0,
              loaded_post_count = 0;
          // container.empty().css('display', 'block');
          //---------------------------------------------------------------------------------
  
          //---------------------------------------------------------------------------------
          // This function performs consequent data loading from all of the sources by calling corresponding functions
          function calculatePostsToLoadCount() {
              social_networks.forEach(function(network) {
                  if (options[network]) {
                      if (options[network].accounts) {
                          posts_to_load_count += options[network].limit * options[network].accounts.length;
                      } else if (options[network].urls ){
                          posts_to_load_count += options[network].limit * options[network].urls.length;
                      } else {
                          posts_to_load_count += options[network].limit;
                      }
                  }
              });
          }
  
          calculatePostsToLoadCount();
  
          function fireCallback() {
              var fire = true;
              /*$.each(Object.keys(loaded), function() {
                  if (loaded[this] > 0)
                      fire = false;
              });*/
              if (fire && options.callback) {
                  options.callback();
              }
          }
  
          var Utility = {
              request: function(url, callback) {
                  $.ajax({
                      url: url,
                      dataType: 'jsonp',
                      success: callback
                  });
              },
              get_request: function(url, callback) {
                  $.get(url, callback, 'json');
              },
              wrapLinks: function(string, social_network) {
                  var exp = /(\b(https?|ftp|file):\/\/[-A-Z0-9+&@#\/%?=~_|!:,.;]*[-A-Z0-9+&@#\/%=~_|])/ig;
                  if (social_network === 'google-plus') {
                      string = string.replace(/(@|#)([a-z0-9_]+['])/ig, Utility.wrapGoogleplusTagTemplate);
                  } else {
                      string = string.replace(exp, Utility.wrapLinkTemplate);
                  }
                  return string;
              },
              wrapLinkTemplate: function(string) {
                  return '<a target="_blank" href="' + string + '">' + string + '<\/a>';
              },
              wrapGoogleplusTagTemplate: function(string) {
                  return '<a target="_blank" href="https://plus.google.com/s/' + string + '" >' + string + '<\/a>';
              },
              shorten: function(string) {
                  string = $.trim(string);
                  if (string.length > options.length) {
                      return jQuery.trim(string).substring(0, options.length).split(" ").slice(0, -1).join(" ") + "...";
                  } else {
                      return string;
                  }
              },
              stripHTML: function(string) {
                  if (typeof string === "undefined" || string === null) {
                      return '';
                  }
                  return string.replace(/(<([^>]+)>)|nbsp;|\s{2,}|/ig, "");
              }
          };
  
          function SocialFeedPost(social_network, data) {
              this.content = data;
              this.content.social_network = social_network;
              this.content.attachment = (this.content.attachment === undefined) ? '' : this.content.attachment;
              this.content.time_ago = data.dt_create.locale(options.date_locale).fromNow();
              this.content.date = data.dt_create.locale(options.date_locale).format(options.date_format);
              this.content.dt_create = this.content.dt_create.valueOf();
              this.content.text = Utility.wrapLinks(Utility.shorten(data.message + ' ' + data.description), data.social_network);
              this.content.moderation_passed = (options.moderation) ? options.moderation(this.content) : true;
  
              Feed[social_network].posts.push(this);
          }
          SocialFeedPost.prototype = {
              preloadImageToCheckSize: function(){
                  var data = this.content;
                  var query = '[social-feed-id=' + data.id + '] img.attachment';
                  var image = $(query);
                  // preload the image
                  var img = new Image();
                  var imgSrc = image.attr("src");
  
                  $(img).load(function() {
                      if (img.width < options.media_min_width) {
                          image.hide();
                      }
                      // garbage collect img
                      $(img).remove();
                  }).error(function() {
                      // image couldnt be loaded
                      image.hide();
                  }).attr({
                      src: imgSrc
                  });
              },
              appendToDOM: function(){
                  var rendered_html = Feed.template(this.content);
                  var data = this.content;
                  if ($(container).children().length === 0) {
                      $(container).append(rendered_html);
                  } else {
                      var i = 0,
                      insert_index = -1;
                      $.each($(container).children(), function() {
                          if ($(this).attr('dt-create') < data.dt_create) {
                              insert_index = i;
                              return false;
                          }
                          i++;
                      });
                      $(container).append(rendered_html);
                      if (insert_index >= 0) {
                          insert_index++;
                          var before = $(container).children('div:nth-child(' + insert_index + ')'),
                              current = $(container).children('div:last-child');
                          $(current).insertBefore(before);
                      }
  
                  }
              },
              render: function() {
                  var data = this.content;
                  // if another post with the same ID is already present - do nothing
                  if ($(container).children('[social-feed-id=' + data.id + ']').length !== 0) {
                      return false;
                  }
                  this.appendToDOM();
                  if (options.media_min_width) {
                      this.preloadImageToCheckSize();
                  }
                  loaded_post_count++;
                  if (loaded_post_count === posts_to_load_count) {
                      fireCallback();
                  }
              }
          };
          var Feed = {
              template: false,
              init: function() {
                  Feed.getTemplate(function() {
                      social_networks.forEach(function(network) {
                          if (options[network]) {
                              if ( options[network].accounts ) {
                                  //loaded[network] = 0;
                                  options[network].accounts.forEach(function(account) {
                                      //loaded[network]++;
                                      Feed[network].getData(account);
                                  });
                              } else if ( options[network].urls ) {
                                  options[network].urls.forEach(function(url) {
                                      Feed[network].getData(url);
                                  });
                              } else {
                                  Feed[network].getData();
                              }
                          }
                      });
                  });
              },
              getTemplate: function(callback) {
                  if (Feed.template){
                      return callback();
                  }else {
                      if (options.template_html) {
                          Feed.template = doT.template(options.template_html);
                          return callback();
                      } else {
                          $.get(options.template, function(template_html) {
                              Feed.template = doT.template(template_html);
                              return callback();
                          });
                      }
                  }
              },
              twitter: {
                  posts: [],
                  loaded: false,
                  api: 'http://api.tweecool.com/',
  
                  getData: function(account) {
  
                      var cb = new Codebird();
                      cb.setConsumerKey(options.twitter.consumer_key, options.twitter.consumer_secret);
  
                      // Allow setting your own proxy with Codebird
                      if (options.twitter.proxy !== undefined) {
                          cb.setProxy(options.twitter.proxy);
                      }
  
                      switch (account[0]) {
                          case '@':
                              var userid = account.substr(1);
                              cb.__call(
                                  "statuses_userTimeline",
                                  "id=" + userid + "&count=" + options.twitter.limit,
                                  Feed.twitter.utility.getPosts,
                                  true // this parameter required
                              );
                              break;
                          case '#':
                              var hashtag = account.substr(1);
                              cb.__call(
                                  "search_tweets",
                                  "q=" + hashtag + "&count=" + options.twitter.limit,
                                  function(reply) {
                                      Feed.twitter.utility.getPosts(reply.statuses);
                                  },
                                  true // this parameter required
                              );
                              break;
                          default:
                      }
                  },
                  utility: {
                      getPosts: function(json) {
                          if (json) {
                              $.each(json, function() {
                                  var element = this;
                                  var post = new SocialFeedPost('twitter', Feed.twitter.utility.unifyPostData(element));
                                  post.render();
                              });
                          }
                      },
                      unifyPostData: function(element) {
                          var post = {};
                          if (element.id) {
                              post.id = element.id_str;
                              //prevent a moment.js console warning due to Twitter's poor date format.
                              post.dt_create = moment(element.created_at, 'dd MMM DD HH:mm:ss ZZ YYYY');
                              post.author_link = 'http://twitter.com/' + element.user.screen_name;
                              post.author_picture = element.user.profile_image_url_https;
                              post.post_url = post.author_link + '/status/' + element.id_str;
                              post.author_name = element.user.name;
                              post.message = element.text;
                              post.description = '';
                              post.link = 'http://twitter.com/' + element.user.screen_name + '/status/' + element.id_str;
  
                              if (options.show_media === true) {
                                  if (element.entities.media && element.entities.media.length > 0) {
                                      var image_url = element.entities.media[0].media_url_https;
                                      if (image_url) {
                                          post.attachment = '<img class="attachment" src="' + image_url + '" />';
                                      }
                                  }
                              }
                          }
                          return post;
                      }
                  }
              },
              facebook: {
                  posts: [],
                  graph: 'https://graph.facebook.com/',
                  loaded: false,
                  getData: function(account) {
                      var proceed = function(request_url){
                          Utility.request(request_url, Feed.facebook.utility.getPosts);
                      };
                      var fields = '?fields=id,from,name,message,created_time,story,description,link';
                         fields += (options.show_media === true)?',picture,object_id':'';
                      var request_url, limit = '&limit=' + options.facebook.limit,
                          query_extention = '&access_token=' + options.facebook.access_token + '&callback=?';
                      switch (account[0]) {
                          case '@':
                              var username = account.substr(1);
                              Feed.facebook.utility.getUserId(username, function(userdata) {
                                  if (userdata.id !== '') {
                                      request_url = Feed.facebook.graph + 'v2.4/' + userdata.id + '/posts'+ fields + limit + query_extention;
                                      proceed(request_url);
                                  }
                              });
                              break;
                          case '!':
                              var page = account.substr(1);
                              request_url = Feed.facebook.graph + 'v2.4/' + page + '/feed'+ fields + limit + query_extention;
                              proceed(request_url);
                              break;
                          default:
                              proceed(request_url);
                      }
                  },
                  utility: {
                      getUserId: function(username, callback) {
                          var query_extention = '&access_token=' + options.facebook.access_token + '&callback=?';
                          var url = 'https://graph.facebook.com/' + username + '?' + query_extention;
                          $.get(url, callback, 'json');
                      },
                      prepareAttachment: function(element) {
                          var image_url = element.picture;
                          if (image_url.indexOf('_b.') === -1) {
                              if (image_url.indexOf('safe_image.php') !== -1) {
                                  image_url = Feed.facebook.utility.getExternalImageURL(image_url, 'url');
                              } else if (image_url.indexOf('app_full_proxy.php') !== -1) {
                                  image_url = Feed.facebook.utility.getExternalImageURL(image_url, 'src');
                              } else if (element.object_id) {
                                  image_url = Feed.facebook.graph + element.object_id + '/picture/?type=normal';
                              }
                          }
                          return '<img class="attachment" src="' + image_url + '" />';
                      },
                      getExternalImageURL: function(image_url, parameter) {
                          image_url = decodeURIComponent(image_url).split(parameter + '=')[1];
                          if (image_url.indexOf('fbcdn-sphotos') === -1) {
                              return image_url.split('&')[0];
                          } else {
                              return image_url;
                          }
  
                      },
                      getPosts: function(json) {
                          if (json.data) {
                              json.data.forEach(function(element) {
                                  var post = new SocialFeedPost('facebook', Feed.facebook.utility.unifyPostData(element));
                                  post.render();
                              });
                          }
                      },
                      unifyPostData: function(element) {
                          var post = {},
                              text = (element.message) ? element.message : element.story;
  
                          post.id = element.id;
                          post.dt_create = moment(element.created_time);
                          post.author_link = 'http://facebook.com/' + element.from.id;
                          post.author_picture = Feed.facebook.graph + element.from.id + '/picture';
                          post.author_name = element.from.name;
                          post.name = element.name || "";
                          post.message = (text) ? text : '';
                          post.description = (element.description) ? element.description : '';
                          post.link = (element.link) ? element.link : 'http://facebook.com/' + element.from.id;
  
                          if (options.show_media === true) {
                              if (element.picture) {
                                  var attachment = Feed.facebook.utility.prepareAttachment(element);
                                  if (attachment) {
                                      post.attachment = attachment;
                                  }
                              }
                          }
                          return post;
                      }
                  }
              },
              google: {
                  posts: [],
                  loaded: false,
                  api: 'https://www.googleapis.com/plus/v1/',
                  getData: function(account) {
                      var request_url;
                      switch (account[0]) {
                          case '#':
                              var hashtag = account.substr(1);
                              request_url = Feed.google.api + 'activities?query=' + hashtag + '&key=' + options.google.access_token + '&maxResults=' + options.google.limit;
                              Utility.get_request(request_url, Feed.google.utility.getPosts);
                              break;
                          case '@':
                              var username = account.substr(1);
                              request_url = Feed.google.api + 'people/' + username + '/activities/public?key=' + options.google.access_token + '&maxResults=' + options.google.limit;
                              Utility.get_request(request_url, Feed.google.utility.getPosts);
                              break;
                          default:
                      }
                  },
                  utility: {
                      getPosts: function(json) {
                          if (json.items) {
                              $.each(json.items, function(i) {
                                  var post = new SocialFeedPost('google', Feed.google.utility.unifyPostData(json.items[i]));
                                  post.render();
                              });
                          }
                      },
                      unifyPostData: function(element) {
                          var post = {};
  
                          post.id = element.id;
                          post.attachment = '';
                          post.description = '';
                          post.dt_create = moment(element.published);
                          post.author_link = element.actor.url;
                          post.author_picture = element.actor.image.url;
                          post.author_name = element.actor.displayName;
  
                          if (options.show_media === true) {
                              if (element.object.attachments) {
                                  $.each(element.object.attachments, function() {
                                      var image = '';
                                      if (this.fullImage) {
                                          image = this.fullImage.url;
                                      } else {
                                          if (this.objectType === 'album') {
                                              if (this.thumbnails && this.thumbnails.length > 0) {
                                                  if (this.thumbnails[0].image) {
                                                      image = this.thumbnails[0].image.url;
                                                  }
                                              }
                                          }
                                      }
                                      post.attachment = '<img class="attachment" src="' + image + '"/>';
                                  });
                              }
                          }
                          post.message = element.title;
                          post.link = element.url;
  
                          return post;
                      }
                  }
              },
              instagram: {
                  posts: [],
                  api: 'https://api.instagram.com/v1/',
                  loaded: false,
                  accessType: function() {
                      // If we have both the client_id and access_token set in options,
                      // use access_token for authentication. If client_id is not set
                      // then use access_token. If neither are set, log an error to console.
                      if (typeof options.instagram.access_token === 'undefined' && typeof options.instagram.client_id === 'undefined') {
                          console.log('You need to define a client_id or access_token to authenticate with Instagram\'s API.');
                          return undefined;
                      }
                      if (options.instagram.access_token) { options.instagram.client_id = undefined; }
                      options.instagram.access_type = (typeof options.instagram.client_id === 'undefined' ? 'access_token' : 'client_id');
                      return options.instagram.access_type;
                  },
                  getData: function(account) {
                      var url, authTokenParams;
  
                      // API endpoint URL depends on which authentication type we're using.
                      if (this.accessType() !== 'undefined') {
                          authTokenParams = options.instagram.access_type + '=' + options.instagram[options.instagram.access_type];
                      }
  
                      switch (account[0]) {
                          case '@':
                              var username = account.substr(1);
                              url = Feed.instagram.api + 'users/search/?q=' + username + '&' + authTokenParams + '&count=1' + '&callback=?';
                              Utility.request(url, Feed.instagram.utility.getUsers);
                              break;
                          case '#':
                              var hashtag = account.substr(1);
                              url = Feed.instagram.api + 'tags/' + hashtag + '/media/recent/?' + authTokenParams + '&' + 'count=' + options.instagram.limit + '&callback=?';
                              Utility.request(url, Feed.instagram.utility.getImages);
                              break;
                          case '&':
                              var id = account.substr(1);
                              url = Feed.instagram.api + 'users/' + id + '/?' + authTokenParams + '&' + 'count=' + options.instagram.limit + '&callback=?';
                              Utility.request(url, Feed.instagram.utility.getUsers);
                          default:
                      }
                  },
                  utility: {
                      getImages: function(json) {
                          if (json.data) {
                              json.data.forEach(function(element) {
                                  var post = new SocialFeedPost('instagram', Feed.instagram.utility.unifyPostData(element));
                                  post.render();
                              });
                          }
                      },
                      getUsers: function(json) {
                          var authTokenParams;
                          // API endpoint URL depends on which authentication type we're using.
                          if (options.instagram.access_type !== 'undefined') {
                              authTokenParams = options.instagram.access_type + '=' + options.instagram[options.instagram.access_type];
                          }
  
                          if (!jQuery.isArray(json.data)){json.data = [json.data];}
                          json.data.forEach(function(user) {
                              var url = Feed.instagram.api + 'users/' + user.id + '/media/recent/?' + authTokenParams + '&' + 'count=' + options.instagram.limit + '&callback=?';
                              Utility.request(url, Feed.instagram.utility.getImages);
                          });
                      },
                      unifyPostData: function(element) {
                          var post = {};
  
                          post.id = element.id;
                          post.dt_create = moment(element.created_time * 1000);
                          post.author_link = 'http://instagram.com/' + element.user.username;
                          post.author_picture = element.user.profile_picture;
                          post.author_name = element.user.full_name || element.user.username;
                          post.message = (element.caption && element.caption) ? element.caption.text : '';
                          post.description = '';
                          post.link = element.link;
                          if (options.show_media) {
                              post.attachment = '<img class="attachment" src="' + element.images.standard_resolution.url + '' + '" />';
                          }
                          return post;
                      }
                  }
              },
              vk: {
                  posts: [],
                  loaded: false,
                  base: 'http://vk.com/',
                  api: 'https://api.vk.com/method/',
                  user_json_template: 'https://api.vk.com/method/' + 'users.get?fields=first_name,%20last_name,%20screen_name,%20photo&uid=',
                  group_json_template: 'https://api.vk.com/method/' + 'groups.getById?fields=first_name,%20last_name,%20screen_name,%20photo&gid=',
                  getData: function(account) {
                      var request_url;
  
                      switch (account[0]) {
                          case '@':
                              var username = account.substr(1);
                              request_url = Feed.vk.api + 'wall.get?owner_id=' + username + '&filter=' + options.vk.source + '&count=' + options.vk.limit + '&callback=?';
                              Utility.get_request(request_url, Feed.vk.utility.getPosts);
                              break;
                          case '#':
                              var hashtag = account.substr(1);
                              request_url = Feed.vk.api + 'newsfeed.search?q=' + hashtag + '&count=' + options.vk.limit + '&callback=?';
                              Utility.get_request(request_url, Feed.vk.utility.getPosts);
                              break;
                          default:
                      }
                  },
                  utility: {
                      getPosts: function(json) {
                          if (json.response) {
                              $.each(json.response, function() {
                                  if (this !== parseInt(this) && this.post_type === 'post') {
                                      var owner_id = (this.owner_id) ? this.owner_id : this.from_id,
                                          vk_wall_owner_url = (owner_id > 0) ? (Feed.vk.user_json_template + owner_id + '&callback=?') : (Feed.vk.group_json_template + (-1) * owner_id + '&callback=?'),
                                          element = this;
                                      Utility.get_request(vk_wall_owner_url, function(wall_owner) {
                                          Feed.vk.utility.unifyPostData(wall_owner, element, json);
                                      });
                                  }
                              });
                          }
                      },
                      unifyPostData: function(wall_owner, element, json) {
                          var post = {};
  
                          post.id = element.id;
                          post.dt_create = moment.unix(element.date);
                          post.description = ' ';
                          post.message = Utility.stripHTML(element.text);
                          if (options.show_media) {
                              if (element.attachment) {
                                  if (element.attachment.type === 'link'){
                                      post.attachment = '<img class="attachment" src="' + element.attachment.link.image_src + '" />';
                                  }else if (element.attachment.type === 'video'){
                                      post.attachment = '<img class="attachment" src="' + element.attachment.video.image_big + '" />';
                                  }else if (element.attachment.type === 'photo'){
                                      post.attachment = '<img class="attachment" src="' + element.attachment.photo.src_big + '" />';
                                  }
                              }
                          }
  
                          if (element.from_id > 0) {
                              var vk_user_json = Feed.vk.user_json_template + element.from_id + '&callback=?';
                              Utility.get_request(vk_user_json, function(user_json) {
                                  var vk_post = new SocialFeedPost('vk', Feed.vk.utility.getUser(user_json, post, element, json));
                                  vk_post.render();
                              });
  
                          } else {
                              var vk_group_json = Feed.vk.group_json_template + (-1) * element.from_id + '&callback=?';
                              Utility.get_request(vk_group_json, function(user_json) {
                                  var vk_post = new SocialFeedPost('vk', Feed.vk.utility.getGroup(user_json, post, element, json));
                                  vk_post.render();
                              });
                          }
                      },
                      getUser: function(user_json, post, element, json) {
                          post.author_name = user_json.response[0].first_name + ' ' + user_json.response[0].last_name;
                          post.author_picture = user_json.response[0].photo;
                          post.author_link = Feed.vk.base + user_json.response[0].screen_name;
                          post.link = Feed.vk.base + user_json.response[0].screen_name + '?w=wall' + element.from_id + '_' + element.id;
  
                          return post;
                      },
                      getGroup: function(user_json, post, element, json) {
                          post.author_name = user_json.response[0].name;
                          post.author_picture = user_json.response[0].photo;
                          post.author_link = Feed.vk.base + user_json.response[0].screen_name;
                          post.link = Feed.vk.base + user_json.response[0].screen_name + '?w=wall-' + user_json.response[0].gid + '_' + element.id;
  
                          return post;
                      }
                  }
              },
              blogspot: {
                  loaded: false,
                  getData: function(account) {
                      var url;
  
                      switch (account[0]) {
                          case '@':
                              var username = account.substr(1);
                              url = 'http://' + username + '.blogspot.com/feeds/posts/default?alt=json-in-script&callback=?';
                              Utility.request(url, Feed.blogpost.utility.getPosts);
                              break;
                          default:
                      }
                  },
                  utility: {
                      getPosts: function(json) {
                          $.each(json.feed.entry, function() {
                              var post = {},
                                  element = this;
                              post.id = element.id.$t.replace(/[^a-z0-9]/gi, '');
                              post.dt_create = moment((element.published.$t));
                              post.author_link = element.author[0].uri.$t;
                              post.author_picture = 'http:' + element.author[0].gd$image.src;
                              post.author_name = element.author[0].name.$t;
                              post.message = element.title.$t + '</br></br>' + Utility.stripHTML(element.content.$t);
                              post.description = '';
                              post.link = element.link.pop().href;
  
                              if (options.show_media) {
                                  if (element.media$thumbnail) {
                                      post.attachment = '<img class="attachment" src="' + element.media$thumbnail.url + '" />';
                                  }
                              }
  
                              post.render();
  
                          });
                      }
                  }
              },
              pinterest: {
                  posts: [],
                  loaded: false,
                  apiv1: 'https://api.pinterest.com/v1/',
  
                  getData: function(account) {
                      var request_url,
                        limit = 'limit=' + options.pinterest.limit,
                        fields = 'fields=id,created_at,link,note,creator(url,first_name,last_name,image),image',
                        query_extention = fields + '&access_token=' + options.pinterest.access_token + '&' + limit + '&callback=?';
                      switch (account[0]) {
                          case '@':
                              var username = account.substr(1);
                              if (username === 'me') {
                                  request_url = Feed.pinterest.apiv1 + 'me/pins/?' + query_extention;
                              } else {
                                  request_url = Feed.pinterest.apiv1 + 'boards/' + username + '/pins?' + query_extention;
                              }
                              break;
                          default:
                      }
                      Utility.request(request_url, Feed.pinterest.utility.getPosts);
                  },
                  utility: {
  
                      getPosts: function(json) {
                          json.data.forEach(function(element) {
                              var post = new SocialFeedPost('pinterest', Feed.pinterest.utility.unifyPostData(element));
                              post.render();
                          });
                      },
  
                      unifyPostData: function(element){
                          var post = {};
  
                          post.id = element.id;
                          post.dt_create= moment(element.created_at);
                          post.author_link = element.creator.url;
                          post.author_picture = element.creator.image['60x60' ].url;
                          post.author_name =  element.creator.first_name + element.creator.last_name;
                          post.message = element.note;
                          post.description = '';
                          post.social_network = 'pinterest';
                          post.link = element.link ? element.link : 'https://www.pinterest.com/pin/' + element.id;
                          if (options.show_media) {
                              post.attachment = '<img class="attachment" src="' + element.image.original.url + '" />';
                          }
                          return post;
                      }
                  }
              },
              rss : {
                  posts: [],
                  loaded: false,
                  api : 'https://query.yahooapis.com/v1/public/yql?q=',
                  datatype: 'json',
  
                  getData: function(url) {
                      var limit = options.rss.limit,
                        yql = encodeURIComponent('select entry FROM feednormalizer where url=\'' + url + '\' AND output=\'atom_1.0\' | truncate(count=' + limit + ')' ),
                        request_url = Feed.rss.api + yql + '&format=json&callback=?';
  
                      Utility.request(request_url, Feed.rss.utility.getPosts, Feed.rss.datatype);
                  },
                  utility: {
  
                      getPosts: function(json) {
                          console.log(json);
                          if (json.query.count > 0 ){
                              $.each(json.query.results.feed, function(index, element) {
                                  var post = new SocialFeedPost('rss', Feed.rss.utility.unifyPostData(index, element));
                                  post.render();
                              });
                          }
                      },
  
                      unifyPostData: function(index, element){
  
                          var item = element;
  
                          if ( element.entry !== undefined ){
                              item = element.entry;
                          }
                          var post = {};
  
                          post.id = '"' + item.id + '"';
                          post.dt_create= moment(item.published, 'YYYY-MM-DDTHH:mm:ssZ', 'en');
  
                          post.author_link = '';
                          post.author_picture = '';
                          post.author_name = '';
                          if( item.creator !== undefined ){
                              post.author_name = item.creator;
                          }
                          post.message = item.title;
                          post.description = '';
                          if( item.summary !== undefined ){
                              post.description = Utility.stripHTML(item.summary.content);
                          }
                          post.social_network = 'rss';
                          post.link = item.link.href;
                          if (options.show_media && item.thumbnail !== undefined ) {
                              post.attachment = '<img class="attachment" src="' + item.thumbnail.url + '" />';
                          }
                          return post;
                      }
                  }
              }
          };
  
          //make the plugin chainable
          return this.each(function() {
              // Initialization
              Feed.init();
              if (options.update_period) {
                  setInterval(function() {
                      return Feed.init();
                  }, options.update_period);
              }
          });
      };
  
  })(jQuery);
  