function showComment(){
$('post-comment').morph('height: 600px');
$("comment-button").onclick = hideComment;
$("comment-button").innerHTML = "Hide the Post Comment form";
}
function hideComment(){
$('post-comment').morph('height: 30px');
$("comment-button").onclick = showComment;
$("comment-button").innerHTML = "Post a Comment";
}