function menu_tree01() {
        define ('nopublick_id','3');
        $sql = mysql_query("SELECT * FROM `tree01` ORDER BY `left` ASC;");
        $cloc=0; $u=0; $cmap=0;

            while ($row=mysql_fetch_array($sql)) {
                $rl[$cloc]=$row; $cloc++;
                }
                $i=1;

                 while (($i<$cloc) AND ($rl[$i]['id'] != nopublick_id)) {                               //$cloc=max_item

                 $n=$i+1;

                 $h_now=$rl[$i]['id'];
                 $l_now=$rl[$i]['level'];

                 $h_next=$rl[($i+1)]['id'];
                 $l_next=$rl[($i+1)]['level'];


                 if ($rl[$i]['parent_id']>'1') {


                    if ( $l_now == $l_next ) {
                        if ($rl[$i]['type']=="file") {echo '<li><a href="'.URL_SITE.'uploads/'.$rl[$i]['other2'].'" target="_blank">'.$rl[$i]['title'].'</a></li>';}
                        if ($rl[$i]['type']=="link") {echo '<li><a href="'.$rl[$i]['other2'].'" target="_blank">'.$rl[$i]['title'].'</a></li>';}
                        if (($rl[$i]['type']!="link") && ($rl[$i]['type']!="file")) {echo '<li><a href="?page='.$rl[$i]['id'].'">'.$rl[$i]['title'].'</a></li>';}
                        }
                    if ( $l_now < $l_next )  { echo '<li><a href="#">'.$rl[$i]['title'].'</a>';echo ('<ul>'); }
                    if ( $l_now > $l_next )  {
                        if ($rl[$i]['type']=="file") {echo '<li><a href="'.URL_SITE.'uploads/'.$rl[$i]['other2'].'" target="_blank">'.$rl[$i]['title'].'</a></li>';}
                        if ($rl[$i]['type']=="link") {echo '<li><a href="'.$rl[$i]['other2'].'" target="_blank">'.$rl[$i]['title'].'</a></li>';}
                        if (($rl[$i]['type']!="link") && ($rl[$i]['type']!="file")) {echo '<li><a href="?page='.$rl[$i]['id'].'">'.$rl[$i]['title'].'</a></li>';}


                            if ( $rl[($i+1)]['id']!= nopublick_id ) {
                                $olc=$l_now-$l_next;

                                while ($olc>0) {
                                    echo'</ul>'."\n";
                                    $olc--;
                                }
                            } else {
                                while ( ($l_now-1)>0 ) {
                                    echo'</ul>'."\n";
                                    $l_now--;
                                }
                            }
                        }

                    }
                 $i++;
                 }
    }