gistfile1.js

<a id='like_12' href='#' onclick='function(this)'>curti!</a>
<a id='like' data-speaker-id='12' href='#'>curti!</a>

$('#like').live('click', function(event){
      speaker_id = $(this).attr('data-speaker_id'); 
      sendRequest('/like',{speaker:speaker_id},
                  '#vote_'+speaker_id);
      return false;
});