setup.js

var fillSocialCounters = function() {
    $('a.socialBtn').fillSocialCounter()
}

$(document).ready(function() {
    var text = $('.post h1.title').text()
      , url = document.location.href
    
    $('a[rel="facebook"]').facebookButton({ text: text, url: url })
    $('a[rel="twitter"]').twitterButton({ text: text, url: url, via: "nu7hatch" })
    $('a[rel="plusone"]').plusoneButton({ url: url })
    $('a[rel="reddit"]').redditButton({ url: url, text: text, sr: "golang" })
})

social.js

;(function($) {
    var increaseCounter = function(link) {
        $counter = $(link).find('.count');
        $counter.html(parseInt($counter.html()) + 1);
    }
    
    $.fn.fillSocialCounter = function() {
        this.each(function(_, link) {
            var $link = $(link)
              , $counter = $link.find('.count')
              , rel = $link.attr('rel');
            
            $counter.html(egoistat.points(rel));
        });
    }
    
    $.fn.facebookButton = function(opts) {
        $window = $(window);
        opts = !!opts ? opts : {};
        
        var text = !!opts.text ? opts.text : document.title
          , url = !!opts.url ? opts.url : document.location.href;

        var facebookUrl = 'http://www.facebook.com/sharer.php?';
        facebookUrl += 'u=' + encodeURIComponent(url);
        facebookUrl += '&t=' + encodeURIComponent(text);
            
        this.attr('href', facebookUrl).click(function(e) {
            e.preventDefault();
            
            var self = this
              , width = 480
              , height = 350
              , left = ($window.width() - width) / 2
              , top = ($window.height() - height) / 2
              , opts = 'status=1' + ',width=' + width  + ',height=' + height + ',top=' + top + ',left=' + left
              , popup = window.open(this.href, 'facebook', opts);

            $(popup).unload(function() {
                mixpanel.track("Page shared", { "Network": "Facebook" });
                increaseCounter(self);
            });
        });
    }
    
    $.fn.plusoneButton = function(opts) {
        $window = $(window);
        opts = !!opts ? opts : {};
        
        var text = !!opts.text ? opts.text : document.title
          , url = !!opts.url ? opts.url : document.location.href;

        var plusoneUrl = 'https://plusone.google.com/_/+1/confirm?'
        plusoneUrl += 'hl=en-US'
        plusoneUrl += '&url=' + encodeURIComponent(url);

        this.attr('href', plusoneUrl).click(function(e) {
            e.preventDefault();
            
            var self = this
              , width = 460
              , height = 450
              , left = ($window.width() - width) / 2
              , top = ($window.height() - height) / 2
              , opts = 'scrollbars=Yes,status=1' + ',width=' + width  + ',height=' + height + ',top=' + top + ',left=' + left
              , popup = window.open(this.href, 'plusone', opts);

            $(popup).unload(function() {
                mixpanel.track("Page shared", { "Network": "Google+" });
                increaseCounter(self);
            });
        });
    }

    $.fn.twitterButton = function(opts) {
        $window = $(window);
        opts = !!opts ? opts : {};
        
        var text = !!opts.text ? opts.text : document.title
          , url = !!opts.url ? opts.url : document.location.href
          , via = opts.via;

        var tweetUrl = 'http://twitter.com/share?';
        tweetUrl += 'url=' + encodeURIComponent(url);
        tweetUrl += '&text=' + encodeURIComponent(text);
        if (!!via) tweetUrl += '&via=' + via;
        
        this.attr('href', tweetUrl).click(function(e) {
            e.preventDefault();
            
            var self = this
              , width = 575
              , height = 300
              , left = ($window.width() - width) / 2
              , top = ($window.height() - height) / 2
              , opts = 'status=1' + ',width=' + width  + ',height=' + height + ',top=' + top + ',left=' + left
              , popup = window.open(this.href, 'twitter', opts);

            $(popup).unload(function() {
                mixpanel.track("Page shared", { "Network": "Twitter" });
                increaseCounter(self);
            });
        });
    }

    $.fn.redditButton = function(opts) {
        opts = !!opts ? opts : {}
        
        var redditUrl = 'http://www.reddit.com/submit?'
        redditUrl += 'url=' + encodeURIComponent(opts.url)
        redditUrl += '&title=' + encodeURIComponent(opts.text)
        
        this.attr('href', redditUrl).click(function(e) {
            e.preventDefault()
            window.location = redditUrl
            mixpanel.track("Page shared", { "Network": "Reddit" });
            increaseCounter(this);
        })
    }
})(jQuery);