var _ga = _ga || {}; var _gaq = _gaq || []; _ga.trackSocial = function (opt_pageUrl, opt_trackerName) { _ga.trackFacebook(opt_pageUrl, opt_trackerName); _ga.trackTwitter(opt_pageUrl, opt_trackerName) }; _ga.trackFacebook = function (opt_pageUrl, opt_trackerName) { var trackerName = _ga.buildTrackerName_(opt_trackerName); try { if (FB && FB.Event && FB.Event.subscribe) { FB.Event.subscribe('edge.create', function (targetUrl) { _gaq.push([trackerName + '_trackSocial', 'facebook', 'like', targetUrl, opt_pageUrl]) }); FB.Event.subscribe('edge.remove', function (targetUrl) { _gaq.push([trackerName + '_trackSocial', 'facebook', 'unlike', targetUrl, opt_pageUrl]) }); FB.Event.subscribe('message.send', function (targetUrl) { _gaq.push([trackerName + '_trackSocial', 'facebook', 'send', targetUrl, opt_pageUrl]) }); FB.Event.subscribe('comment.create', function (targetUrl) { _gaq.push(['_trackSocial', 'facebook', 'comment', targetUrl]) }); FB.Event.subscribe('comment.remove', function (targetUrl) { _gaq.push(['_trackSocial', 'facebook', 'uncomment', targetUrl]) }); FB.Event.subscribe('comment.create', function (targetUrl) { _gaq.push(['_trackSocial', 'facebook', 'comment', targetUrl]) }); FB.Event.subscribe('comment.remove', function (targetUrl) { _gaq.push(['_trackSocial', 'facebook', 'uncomment', targetUrl]) }) } } catch (e) { } }; _ga.buildTrackerName_ = function (opt_trackerName) { return opt_trackerName ? opt_trackerName + '.' : '' }; _ga.trackTwitter = function (opt_pageUrl, opt_trackerName) { var trackerName = _ga.buildTrackerName_(opt_trackerName); try { if (twttr && twttr.events && twttr.events.bind) { twttr.events.bind('tweet', function (event) { if (event) { var targetUrl; if (event.target && event.target.nodeName == 'IFRAME') { targetUrl = _ga.extractParamFromUri_(event.target.src, 'url') } _gaq.push([trackerName + '_trackSocial', 'twitter', 'tweet', targetUrl, opt_pageUrl]) } }) } } catch (e) { } }; _ga.extractParamFromUri_ = function (uri, paramName) { if (!uri) { return } var uri = uri.split('#')[0]; var parts = uri.split('?'); if (parts.length == 1) { return } var query = decodeURI(parts[1]); paramName += '='; var params = query.split('&'); for (var i = 0, param; param = params[i]; ++i) { if (param.indexOf(paramName) === 0) { return unescape(param.split('=')[1]) } } return };