В чём соль подгрузки ajax комментариев, да и страниц?

while( $i db->get_row( $sql_result ) ) {
				$rows[$row['id']] = array ();
		
				foreach ( $row as $key => $value ) {
					if ($key == "parent" AND $value == 0 ) $value = false;
					$rows[$row['id']][$key] = $value;
				}				
			}

if ( $build_full_news AND count($rows) ) {
			$this->total_comments = count($rows);
			if( $this->cstart total_comments ) $rows = array_slice($rows, $this->cstart, $this->comments_per_pages, true); else $rows = array();
				
		}

$get_annotation = "SELECT * FROM annotation_post where user_id= '".$row['user_id']."' ORDER BY annotation_post.id ASC"; 
$user_id = $row['user_id'];//Для передачи в следующий скрипт на подгрузку
$output="";//Переменная для вывода данных
		
$handleQuery1 = $db->query( $get_annotation );

$cont = $handleQuery1->num_rows;
$pages = ceil($cont/5); //Количество страниц

$i=0;
while ( $i < 5) {
	
$row2 = $db->get_row($handleQuery1);
$temp = "<div class=\"annotation\">
<div class=\"annotation-title\">".$row2['title']."</div>
<div class=\"cited\"><a href=\"".$row2['full_link']."#load".$row2['id']."\">".$row2['cited']."</a></div>
<div class=\"annotation-name\">".$row2['autor']."
    </div><div class=\"annotation-text\">".$row2['full_story']."
    </div>
    <div class=\"annotation-rating\">
				<div class=\"rate_like-dislike\">
					<div class=\"rate_like-dislike_in\">
						[rating-plus]<span class=\"plus_icon\" title=\"Нравится\"><span>+</span></span>[/rating-plus]
						[rating-minus]<span class=\"plus_icon minus\" title=\"Не нравится\"><span>-</span></span>[/rating-minus]
					</div>
					<span class=\"grey\">{rating}</span>
				</div>
     </div>
    </div>";
 $temp = str_replace( '{rating}', ShowCommentsRatingAnnotation( $row2['id'], $row2['rating'], $row2['vote_num'], $user_group[$member_id['user_group']]['allow_rating'] ), $temp);
 $temp = str_replace( '[rating-plus]', "<a href=\"#\" onclick=\"doRateAnnotation('plus', '{$row2['id']}'); return false;\" >", $temp);
 $temp = str_replace( '[/rating-plus]', "</a>", $temp);
 $temp = str_replace( '[rating-minus]', "<a href=\"#\" onclick=\"doRateAnnotation('minus', '{$row2['id']}'); return false;\" >", $temp);
 $temp = str_replace( '[/rating-minus]', "</a>", $temp);

$output=$output.$temp;
$i++;
}
$db->free($handleQuery1);

$output = $output."
<script type=\"text/javascript\" src=\"/engine/classes/min/index.php?charset=windows-1251&amp;f=engine/classes/js/waypoints.js,engine/classes/highslide/highslide.js&amp;19\"></script>
<div class=\"ajax_comments_area\">
<div class=\"ajax_loaded_comments\">
<div class=\"ajax_comments_next\"></div>
</div>
</div>
<script type=\"text/javascript\">
<!--
	var user_id= '{$user_id}';
	var total_comments_pages= '{$pages}';
	var current_comments_page= '1';

$(function(){

	$('.ajax_comments_next').waypoint(function() {
		if (current_comments_page < total_comments_pages ) {

			$.waypoints('disable');
			current_comments_page ++;
			ShowLoading('');

			$.get(dle_root + \"engine/ajax/prof.php\", { cstart: current_comments_page, user_id: user_id, skin: dle_skin, massact:'disable' }, function(data){

				setTimeout(function() { $.waypoints('enable'); }, 300);
				HideLoading('');

				$(\".ajax_loaded_comments\").append(data.comments);

			}, \"json\");

		} else {

			$.waypoints('destroy');
		}


	}, {
	  offset: 'bottom-in-view'
	});

});

//-->
</script>";

	$tpl->set( '{annatations}', $output);

$user_id = intval($_GET['user_id']);
$cstart = intval($_GET['cstart']);
$cstart2 = $cstart*5;//конец
$cstart = $cstart2-5; //начало
$limit = " LIMIT ".$cstart.",".$cstart2;

   $get_annotation = "SELECT * FROM annotation_post where user_id= '".$user_id."' ORDER BY annotation_post.id ASC".$limit;