function list_new_multi() {
global $connect, $t_board, $t_comment;

$board_list = array('board1','board2','board3','board4'); //전체 게시판 아이디 목록
$new_icon = "";
$comment_new = "";

$recent_time = 60*60*24; //24시간 이내

for ($i=0;$i<sizeof($board_list);$i++) {
$data=mysql_fetch_array(mysql_query("select reg_date from $t_board"."_".$board_list[$i]." order by reg_date desc limit 1", $connect));
$reg_time = $data[reg_date];
$com_data=mysql_fetch_array(mysql_query("select reg_date from $t_comment"."_".$board_list[$i]." order by reg_date desc limit 1", $connect));
$com_reg_time = $com_data[reg_date];
if(time() - $reg_time < $recent_time) { $new_icon = " <img src=경로/new5.gif>"; }
if(time() - $com_reg_time < $recent_time) { $comment_new = " <font color=#90B490>*</font>"; }
}

echo $new_icon.$comment_new;
}