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 */

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t,e,i;this._getOption("horizontal")?(t=1/0,e=this.size.innerHeight+this.gutter,i="rightwardTopToBottom"):(t=this.size.innerWidth+this.gutter,e=1/0,i="downwardLeftToRight"),this.packer.width=this.shiftPacker.width=t,this.packer.height=this.shiftPacker.height=e,this.packer.sortDirection=this.shiftPacker.sortDirection=i,this.packer.reset(),this.maxY=0,this.maxX=0},u._getMeasurements=function(){this._getMeasurement("columnWidth","width"),this._getMeasurement("rowHeight","height"),this._getMeasurement("gutter","width")},u._getItemLayoutPosition=function(t){if(this._setRectSize(t.element,t.rect),this.isShifting||this.dragItemCount>0){var e=this._getPackMethod();this.packer[e](t.rect)}else this.packer.pack(t.rect);return this._setMaxXY(t.rect),t.rect},u.shiftLayout=function(){this.isShifting=!0,this.layout(),delete this.isShifting},u._getPackMethod=function(){return 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t=this._getOption("horizontal")?r:s;this.items.sort(t)},u.fit=function(t,e,i){var n=this.getItem(t);n&&(this.stamp(n.element),n.enablePlacing(),this.updateShiftTargets(n),e=void 0===e?n.rect.x:e,i=void 0===i?n.rect.y:i,this.shift(n,e,i),this._bindFitEvents(n),n.moveTo(n.rect.x,n.rect.y),this.shiftLayout(),this.unstamp(n.element),this.sortItemsByPosition(),n.disablePlacing())},u._bindFitEvents=function(t){function e(){n++,2==n&&i.dispatchEvent("fitComplete",null,[t])}var i=this,n=0;t.once("layout",e),this.once("layoutComplete",e)},u.resize=function(){this.isResizeBound&&this.needsResizeLayout()&&(this.options.shiftPercentResize?this.resizeShiftPercentLayout():this.layout())},u.needsResizeLayout=function(){var e=t(this.element),i=this._getOption("horizontal")?"innerHeight":"innerWidth";return e[i]!=this.size[i]},u.resizeShiftPercentLayout=function(){var e=this._getItemsForLayout(this.items),i=this._getOption("horizontal"),n=i?"y":"x",o=i?"height":"width",s=i?"rowHeight":"columnWidth",r=i?"innerHeight":"innerWidth",a=this[s];if(a=a&&a+this.gutter){this._getMeasurements();var h=this[s]+this.gutter;e.forEach(function(t){var e=Math.round(t.rect[n]/a);t.rect[n]=e*h})}else{var u=t(this.element)[r]+this.gutter,c=this.packer[o];e.forEach(function(t){t.rect[n]=t.rect[n]/c*u})}this.shiftLayout()},u.itemDragStart=function(t){if(this.isEnabled){this.stamp(t);var e=this.getItem(t);e&&(e.enablePlacing(),e.showDropPlaceholder(),this.dragItemCount++,this.updateShiftTargets(e))}},u.updateShiftTargets=function(t){this.shiftPacker.reset(),this._getBoundingRect();var e=this._getOption("originLeft"),n=this._getOption("originTop");this.stamps.forEach(function(t){var o=this.getItem(t);if(!o||!o.isPlacing){var s=this._getElementOffset(t),r=new i({x:e?s.left:s.right,y:n?s.top:s.bottom});this._setRectSize(t,r),this.shiftPacker.placed(r)}},this);var o=this._getOption("horizontal"),s=o?"rowHeight":"columnWidth",r=o?"height":"width";this.shiftTargetKeys=[],this.shiftTargets=[];var a,h=this[s];if(h=h&&h+this.gutter){var u=Math.ceil(t.rect[r]/h),c=Math.floor((this.shiftPacker[r]+this.gutter)/h);a=(c-u)*h;for(var d=0;c>d;d++){var f=o?0:d*h,l=o?d*h:0;this._addShiftTarget(f,l,a)}}else a=this.shiftPacker[r]+this.gutter-t.rect[r],this._addShiftTarget(0,0,a);var p=this._getItemsForLayout(this.items),g=this._getPackMethod();p.forEach(function(t){var e=t.rect;this._setRectSize(t.element,e),this.shiftPacker[g](e),this._addShiftTarget(e.x,e.y,a);var i=o?e.x+e.width:e.x,n=o?e.y:e.y+e.height;if(this._addShiftTarget(i,n,a),h)for(var s=Math.round(e[r]/h),u=1;s>u;u++){var c=o?i:e.x+h*u,d=o?e.y+h*u:n;this._addShiftTarget(c,d,a)}},this)},u._addShiftTarget=function(t,e,i){var n=this._getOption("horizontal")?e:t;if(!(0!==n&&n>i)){var o=t+","+e,s=-1!=this.shiftTargetKeys.indexOf(o);s||(this.shiftTargetKeys.push(o),this.shiftTargets.push({x:t,y:e}))}},u.shift=function(t,e,i){var n,o=1/0,s={x:e,y:i};this.shiftTargets.forEach(function(t){var e=a(t,s);o>e&&(n=t,o=e)}),t.rect.x=n.x,t.rect.y=n.y};var c=120;u.itemDragMove=function(t,e,i){
function n(){s.shift(o,e,i),o.positionDropPlaceholder(),s.layout()}var o=this.isEnabled&&this.getItem(t);if(o){e-=this.size.paddingLeft,i-=this.size.paddingTop;var s=this,r=new Date;this._itemDragTime&&r-this._itemDragTime<c?(clearTimeout(this.dragTimeout),this.dragTimeout=setTimeout(n,c)):(n(),this._itemDragTime=r)}},u.itemDragEnd=function(t){function e(){n++,2==n&&(i.element.classList.remove("is-positioning-post-drag"),i.hideDropPlaceholder(),o.dispatchEvent("dragItemPositioned",null,[i]))}var i=this.isEnabled&&this.getItem(t);if(i){clearTimeout(this.dragTimeout),i.element.classList.add("is-positioning-post-drag");var n=0,o=this;i.once("layout",e),this.once("layoutComplete",e),i.moveTo(i.rect.x,i.rect.y),this.layout(),this.dragItemCount=Math.max(0,this.dragItemCount-1),this.sortItemsByPosition(),i.disablePlacing(),this.unstamp(i.element)}},u.bindDraggabillyEvents=function(t){this._bindDraggabillyEvents(t,"on")},u.unbindDraggabillyEvents=function(t){this._bindDraggabillyEvents(t,"off")},u._bindDraggabillyEvents=function(t,e){var i=this.handleDraggabilly;t[e]("dragStart",i.dragStart),t[e]("dragMove",i.dragMove),t[e]("dragEnd",i.dragEnd)},u.bindUIDraggableEvents=function(t){this._bindUIDraggableEvents(t,"on")},u.unbindUIDraggableEvents=function(t){this._bindUIDraggableEvents(t,"off")},u._bindUIDraggableEvents=function(t,e){var i=this.handleUIDraggable;t[e]("dragstart",i.start)[e]("drag",i.drag)[e]("dragstop",i.stop)};var d=u.destroy;return u.destroy=function(){d.apply(this,arguments),this.isEnabled=!1},h.Rect=i,h.Packer=n,h});







(function(a,b){function e(a){return new RegExp("(^|\\s+)"+a+"(\\s+|$)")}function o(a,b,c){if(c.indexOf("%")===-1)return c;var d=a.style,e=d.width,f;return d.width=c,f=b.width,d.width=e,f}function p(a,b,c){var d=b!=="height",e=d?a.offsetWidth:a.offsetHeight,f=d?"Left":"Top",g=d?"Right":"Bottom",h=j(a),i=parseFloat(h["padding"+f])||0,k=parseFloat(h["padding"+g])||0,l=parseFloat(h["border"+f+"Width"])||0,m=parseFloat(h["border"+g+"Width"])||0,p=h["margin"+f],q=h["margin"+g],r,s;n||(p=o(a,h,p),q=o(a,h,q)),r=parseFloat(p)||0,s=parseFloat(q)||0;if(e>0)c?e+=r+s:e-=i+k+l+m;else{e=h[b];if(e<0||e===null)e=a.style[b]||0;e=parseFloat(e)||0,c&&(e+=i+k+r+s+l+m)}return e}function q(b,c,d){b.addEventListener?b.addEventListener(c,d,!1):b.attachEvent&&(b["e"+c+d]=d,b[c+d]=function(){b["e"+c+d](a.event)},b.attachEvent("on"+c,b[c+d]))}function r(a,b,c){a.removeEventListener?a.removeEventListener(b,c,!1):a.detachEvent&&(a.detachEvent("on"+b,a[b+c]),a[b+c]=null,a["e"+b+c]=null)}function s(a,b){if(!a)return;this.element=a,this.options={};for(var c in s.defaults)this.options[c]=s.defaults[c];for(c in b)this.options[c]=b[c];this._create(),this.build()}"use strict";var c=a.document,d="classList"in c.createElement("div"),f=d?function(a,b){return a.classList.contains(b)}:function(a,b){return e(b).test(a.className)},g=d?function(a,b){a.classList.add(b)}:function(a,b){f(a,b)||(a.className=a.className+" "+b)},h=d?function(a,b){a.classList.remove(b)}:function(a,b){a.className=a.className.replace(e(b)," ")},i=c.defaultView,j=i&&i.getComputedStyle?function(a){return i.getComputedStyle(a,null)}:function(a){return a.currentStyle},k=c.getElementsByTagName("body")[0],l=c.createElement("div"),m=k||c.createElement("body");l.style.marginTop="1%",m.appendChild(l);var n=j(l).marginTop!=="1%";m.removeChild(l);var t=["position","height"];s.defaults={isResizable:!0,gutterWidth:0,isRTL:!1,isFitWidth:!1},s.prototype={_getBricks:function(a){var b;for(var c=0,d=a.length;c<d;c++)b=a[c],b.style.position="absolute",g(b,"masonry-brick"),this.bricks.push(b)},_create:function(){this.reloadItems();var b=this.element.style;this._originalStyle={};for(var c=0,d=t.length;c<d;c++){var e=t[c];this._originalStyle[e]=b[e]||""}this.element.style.position="relative",this.horizontalDirection=this.options.isRTL?"right":"left",this.offset={};var f=j(this.element),h=this.options.isRTL?"paddingRight":"paddingLeft";this.offset.y=parseFloat(f.paddingTop)||0,this.offset.x=parseFloat(f[h])||0,this.isFluid=this.options.columnWidth&&typeof this.options.columnWidth=="function";var i=this;setTimeout(function(){g(i.element,"masonry")}),this.options.isResizable&&q(a,"resize",function(){i._handleResize()})},build:function(a){this._getColumns(),this._reLayout(a)},_getColumns:function(){var a=this.options.isFitWidth?this.element.parentNode:this.element,b=p(a,"width");this.columnWidth=this.isFluid?this.options.columnWidth(b):this.options.columnWidth||p(this.bricks[0],"width",!0)||b,this.columnWidth+=this.options.gutterWidth,this.cols=Math.floor((b+this.options.gutterWidth)/this.columnWidth),this.cols=Math.max(this.cols,1)},reloadItems:function(){this.bricks=[],this._getBricks(this.element.children)},_reLayout:function(a){var b=this.cols;this.colYs=[];while(b--)this.colYs.push(0);this.layout(this.bricks,a)},layout:function(a,b){if(!a||!a.length)return;var c,d,e,f,g,h,i;for(var j=0,k=a.length;j<k;j++){c=a[j];if(c.nodeType!==1)continue;d=Math.ceil(p(c,"width",!0)/this.columnWidth),d=Math.min(d,this.cols);if(d===1)i=this.colYs;else{e=this.cols+1-d,i=[];for(h=0;h<e;h++)g=this.colYs.slice(h,h+d),i[h]=Math.max.apply(Math,g)}var l=Math.min.apply(Math,i);for(var 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e()},_appended:function(a,b){this._getBricks(a),this.layout(a,b)},destroy:function(){var b;for(var c=0,d=this.bricks.length;c<d;c++)b=this.bricks[c],b.style.position="",b.style.top="",b.style.left="",h(b,"masonry-brick");var e=this.element.style;d=t.length;for(c=0;c<d;c++){var f=t[c];e[f]=this._originalStyle[f]}h(this.element,"masonry"),this.resizeHandler&&r(a,"resize",this.resizeHandler)}},s.getWH=p,a.Masonry=s})(window);

var baseURL = window.location.protocol + "//" + window.location.host + "/";

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'
        };
        //---------------------------------------------------------------------------------
        var options = $.extend(defaults, _options),
            container = $(this),
            template,
            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 {
                        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.fromNow();
            this.content.date = data.dt_create.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 = {
            render: function() {
                var rendered_html = Feed.template(this.content);
                var data = this.content;

                if ($(container).children('[social-feed-id=' + data.id + ']').length !== 0) {
                    return false;
                }
                if ($(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);
                    }

                }
                if (options.media_min_width) {

                    var query = '[social-feed-id=' + data.id + '] img.attachment';
                    var image = $(query);

                    // preload the image
                    var height, width = '';
                    var img = new Image();
                    var imgSrc = image.attr("src");

                    $(img).load(function() {

                        if (img.width < options.media_min_width) {
                            image.hide();
                        }
                        // garbage collect img
                        delete img;

                    }).error(function() {
                        // image couldnt be loaded
                        image.hide();

                    }).attr({
                        src: imgSrc
                    });

                }

                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;
                            //prevent a moment.js console warning due to Twitter's poor date format.
                            post.dt_create = moment(new Date(element.created_at));
                            post.author_link = 'http://twitter.com/' + element.user.screen_name;
                            post.author_picture = element.user.profile_image_url;
                            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;
                                    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;
                        var result = '';
                        $.get(url, callback, 'json');
                    },
                    prepareAttachment: function(element) {
                        var image_url = element.picture;
                        if (image_url.indexOf('_b.') !== -1) {
                            //do nothing it is already big
                        } else 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;

                    // API endpoint URL depends on which authentication type we're using.
                    if (this.accessType() !== 'undefined') {
                        var 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) {
                        // API endpoint URL depends on which authentication type we're using.
                        if (options.instagram.access_type !== 'undefined') {
                            var 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 + '" />';
                                if (element.attachment.type === 'video')
                                    post.attachment = '<img class="attachment" src="' + element.attachment.video.image_big + '" />';
                                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=?';
                            request(url, 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['$t'] + '</br></br>' + stripHTML(element.content['$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://ajax.googleapis.com/ajax/services/feed/load?v=1.0',

                getData: function(url) {
                    var limit = '&num='+ options.rss.limit,
                      request_url = Feed.rss.api + limit + '&q=' + encodeURIComponent(url);

                    Utility.request(request_url, Feed.rss.utility.getPosts);
                },
                utility: {

                    getPosts: function(json) {
                        $.each(json.responseData.feed.entries, function(index, element) {
                            var post = new SocialFeedPost('rss', Feed.rss.utility.unifyPostData(index, element));
                            post.render();
                        });
                    },

                    unifyPostData: function(index, element){
                        var post = {};

                        post.id = index;
                        post.dt_create= moment(element.publishedDate, 'ddd, DD MMM YYYY HH:mm:ss ZZ', 'en');
                        post.author_link = '';
                        post.author_picture = '';
                        post.author_name = element.author;
                        post.message = Utility.stripHTML(element.title);
                        post.description = Utility.stripHTML(element.content);
                        post.social_network = 'rss';
                        post.link = element.link;
                        if (options.show_media && element.mediaGroups ) {
                            post.attachment = '<img class="attachment" src="' + element.mediaGroups[0].contents[0].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);