Melhorar função de comentários

function comment_form($stream_id, $flag = '') {
	global $config, $client;
	if (!$client['id']) {
		return '<div>&gt;&gt;'.url('member/login',t('Login to comment') ).'</div>';
	}
	if (!$flag) $flag = t('Comment');
	if (!$config['comment_headed']) {
		$comment_head =  
		'
				<script>
				$(document).ready( function(){
                                                
                                                $("a[class=comment_delete]").click( function () {
var parentdd = $(this).parents(".user_comment");
var sid = $(this).prev()[0].value;
$(this).after("<img src=\''.uhome().'/files/loading.gif\' /> hiding..");
$(this).hide();
$.get(\''.uhome().'/index.php?p=jquery/comment_delete/\'+sid, function(data) {
parentdd.hide("slow");
});
return false;
});
						$(".quick_comment").click(function() {
								$(this).next().next().css("display","block");
								$(this).next().next().find(".commentmessage").focus();
								return false;
						});
						$(".commentsubmit").click(function() {
							if ($(this).prev()[0].value != "") {
								var thiscomment = $(this).parents(".quick_comment_form");
								var cbox = thiscomment.next().next();
								var mbox = thiscomment.find(".commentmessage");
								var tbox = thiscomment.next();
								cbox.html("<img src=\"'.uhome().'/files/loading.gif\" /> Submitting");
								$.post("'.uhome().'/index.php?p=jquery/comment_publish",
								{message:mbox[0].value,target_id:tbox[0].value},
								  function(data){
									cbox.html("");
									cbox.after(data);
									mbox.attr("value","");
									},"html"
								);
								return false;
							}
						});
						$(".dolike").click(function() {
							var thiscomment = $(this).next();
							var cbox = thiscomment.next().next();
							var tbox = thiscomment.next();
							cbox.html("<img src=\"'.uhome().'/files/loading.gif\"/> Submitting");
							$.post("'.uhome().'/index.php?p=jquery/dolike",
							{target_id:tbox[0].value},
							  function(data){
								cbox.html("");
								cbox.after(data);
								},"html"
							);
							$(this).css("display","none");
							return false;
						});
				});
				</script>
				';
			$config['comment_headed'] = 1;
	}
	$res = sql_query("select * from ".tb()."liked where stream_id='$stream_id' and uid='{$client['id']}' limit 1");
	if (sql_counts($res)) {
		$likeit = '<a href="#" class="dolike">'.t('Unlike').'</a>';
	}
	else {
		$likeit = '<a href="#" class="dolike">'.t('Like').'</a>';
	}


		return $comment_head.'
		<div>
		<a href="#" class="quick_comment">+'.$flag.'</a> | '.$likeit.'
			<div class="quick_comment_form" style="display:none;">
				<table border="0"><tr><td valign="top">
				<img src="'.uhome().'/uploads/avatars/s_'.$client['avatar'].'" width="25" height="25" />
				</td><td>
				<textarea name="message" rows="2" class="fpost commentmessage""  style="width:350px;" ></textarea>
				<input type="button" value=" '.$flag.' " class="fbutton commentsubmit" />
				</td></tr>
				</table>
			</div>
			<input type="hidden" name="wall_id" value="'.$stream_id.'" />
			<div></div>
		</div>';
		}

if($_POST['message']==""){
return $comment_head.'
        <div>
        <a href="#" class="quick_comment">+'.$flag.'</a> | '.$likeit.'
            <div class="quick_comment_form" style="display:none;">
                <table border="0"><tr><td valign="top">
                <img src="'.uhome().'/uploads/avatars/s_'.$client['avatar'].'" width="25" height="25" />
                </td><td>
                <textarea name="message" rows="2" class="fpost commentmessage""  style="width:350px;" ></textarea>
                <input type="button" value=" '.$flag.' " class="fbutton commentsubmit" />
                </td></tr>
                </table>
            </div>
            <input type="hidden" name="wall_id" value="'.$stream_id.'" />
            <div></div>
        </div>'; 
}

$(".quick_comment_form").hide();

 $(".commentsubmit").click(function() {