Wordpress : Custom facebook share buttons

HEADER:
<script>
window.fbAsyncInit = function(){
FB.init({
    appId: 'mojAppID', status: true, cookie: true, xfbml: true });
};
(function(d, debug){var js, id = 'facebook-jssdk', ref = d.getElementsByTagName('script')[0];
    if(d.getElementById(id)) {return;}
    js = d.createElement('script'); js.id = id;
    js.async = true;js.src = "//connect.facebook.net/en_US/all" + (debug ? "/debug" : "") + ".js";
    ref.parentNode.insertBefore(js, ref);}(document, /*debug*/ false));
function postToFeed(title, desc, url, image){
var obj = {method: 'feed',link: url, picture: 'http://www.url.com/images/'+image,name: title,description: desc};
function callback(response){}
FB.ui(obj, callback);
}
</script>

INDEX.PHP
Loop početak-->
<?php
    $thumb = wp_get_attachment_image_src( get_post_thumbnail_id($post->ID), 'thumbnail' );
    $url = $thumb['0'];
?>

<a href="<?php the_permalink('');?>" data-image="<?php the_post_thumbnail(''); ?>" data-title="<?php the_title();?>" data-desc="<?php the_excerpt();?>" class="btnShare">Share</a>

FOOTER:
<script>
    $('.btnShare').click(function(){
    elem = $(this);
    postToFeed(elem.data('title'), elem.data('desc'), elem.prop('href'), elem.data('image'));

    return false;
    });
</script>