var initSharing = function() {
    var $sharingDiv = $('.reading-share');
    $sharingDiv.each(function(index, elem){
            var $div = $(elem);
            var dataUrl = $div.attr('data-url');
            dataUrl = 'http://' + location.host + dataUrl;
            $div.append('<a class="addthis_button_compact" addthis:url="' + dataUrl + '" >' +
                        '<img src="https://d3hpq7sye6hoj5.cloudfront.net/m//base/images/share.png" />' + 'Share' +
                        '</a>'
                        );
            });

    addthis.button('.addthis_button_compact');
}