// post-submit callback 
function showResponse(responseText, statusText)  {     
        hideAddBar();
        updateComments();
}

function showComments(){
   $j("#PostComments").toggle();
}
function showAddComment(){
   
   $j("#PostComments").show();
   $j("#CommentAddForm").toggle();
}
function showAddBar(){
    $j('#addComment').empty();
    $j("#commentsAdder").show();
}
function hideAddBar(){
    $j("#commentsAdder").hide();
}