I came up with this (please let me know if there is a better way).
<script type="text/javascript">
var addthis_config = {
"data_track_addressbar":false,
"ui_click":true,
"data_use_cookies": false
};
$(window).on("load", function(){
$('head')
.append($('<script>')
.attr('type', 'text/javascript')
.attr('src', "http://s7.addthis.com/js/250/addthis_widget.js#"));
});
</script>
<div class="addthis_toolbox addthis_default_style addthis_32x32_style">
<a class="addthis_button_facebook"></a>
<a class="addthis_button_twitter"></a>
<a class="addthis_button_preferred_1"></a>
<a class="addthis_button_preferred_2"></a>
<a class="addthis_button_compact" title="Share"></a>
</div>