Mysql на mysqli скрипт

$k_post = mysql_result(mysql_query(
    "SELECT COUNT(*) FROM `ea89_messages` WHERE `dialog_id` is null
      and ((`from_id`='{$ku['id']}' and `delete`!='1') OR (`to_id`='{$ku['id']}' and `delete`!='2')) "
), 0);

if ($k_post) {
    $k_page = k_page($k_post,$set['p_str']);
    $page = page($k_page);
    $start = $set['p_str'] * $page - $set['p_str'];
    $sql = "SELECT * FROM `ea89_messages`
            WHERE `dialog_id` is null and ((`from_id`='{$ku['id']}' and `delete`!='1') OR (`to_id`='{$ku['id']}' and `delete`!='2'))
            ORDER BY `no_read` DESC, `last_msg_at` DESC LIMIT {$start},{$set['p_str']} ";
    $result = mysql_query($sql);
    while ($row = mysql_fetch_assoc($result)) {
        if ($row['to_id'] == $ku['id']) {
            $sel = $row['from_id'];
        } else {
            $sel = $row['to_id'];
        }
        $new_messages = mysql_result(mysql_query(
            "SELECT COUNT(*) FROM `ea89_messages` WHERE `dialog_id`='{$row['id']}' AND `to_id`='{$ku['id']}' AND `no_read`='1' "
        ),0);
        $user = mysql_fetch_assoc(mysql_query("SELECT * FROM `kolhoz_user` WHERE `id`='{$sel}' LIMIT 1 "));
        $last_message = mysql_fetch_assoc(mysql_query(
            "SELECT * FROM `ea89_messages` WHERE `dialog_id`='".$row['id']."' and 
            (((`from_id`='{$row['from_id']}' and `to_id`='{$row['to_id']}' and `delete`!='1') OR (`from_id`='{$row['to_id']}' and `to_id`='{$row['from_id']}' and `delete`!='2'))
            OR ((`from_id`='{$row['from_id']}' and `to_id`='{$row['to_id']}' and `delete`!='2') OR (`from_id`='{$row['to_id']}' and `to_id`='{$row['from_id']}' and `delete`!='1')))
             ORDER BY `created_at` DESC LIMIT 1 "
        ));
        $t=time()-600;
        echo '

        
        
        
        ';
        $colornick = mysql_fetch_assoc(mysql_query("SELECT `colornick`, `colornick2` FROM `kolhoz_user` WHERE `id`='". $user['id']."';"));
        echo gradient    ($user['nick'], $colornick['colornick'], $colornick['colornick2']) . '';
        echo'
        '.($new_messages?'+'.$new_messages:'').'
        '.$role."".($user['date_last']":"").'
        '.output_textchat(substr($last_message['message'], 0, 80), $user['id'],false).' '.(mb_strlen($last_message['message'], 'UTF-8') >= 80 ?'...':'').'

        
        
        
';
    }