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448 ddelon 1 
<?php
1973 aperonnet 2 
// $Id: ezmlm-threads.php,v 1.5.4.3 2008-11-19 09:30:18 aperonnet Exp $
448 ddelon 3 
//
4 
// ezmlm-threads.php - ezmlm-php v2.0
5 
// --------------------------------------------------------------
6 
// Builds, maintains & displays thread caches
7 
// These cache files live in $ezmlm->tmpdir and are serialized
8 
// php objects that can be unserialized and displayed easily
9 
// --------------------------------------------------------------
10 
 
11 
require_once("ezmlm.php");
12 
require_once("ezmlm-parser.php");
1336 neiluj 13 
require_once ('ezmlm-langue-fr.php');
448 ddelon 14 
 
15 
// CLASS: ezmlm_threads will build, maintain & display thread files (even if a thread is only 1 msg)
16 
class ezmlm_threads extends ezmlm_php {
17 
 
18 
	// load: this is the main function that should be called.
19 
	// it first checks to see if the cache files are stale, if they are it calls build
20 
	// other wise it loads them and calls display
21 
	function load($month) {
22 
		if (!is_dir($this->tempdir . "/ezmlm-php-" . $this->listname)) {
23 
			$checksum = $this->tempdir . "/ezmlm-php-" . $this->listname . "-" . $month . "-" . "checksum";
24 
		} else {
25 
			$checksum = $this->tempdir . "/ezmlm-php-" . $this->listname . "/" . $month . "-" . "checksum";
26 
		}
27 
        $md5 = '' ;
28 
		if (!is_file($checksum)) {
29 
			$this->build($month);
30 
		} else {
31 
			$fd = fopen($checksum,"r");
32 
			while (!preg_match('/^md5:/', $md5)) { $md5 = fgets($fd,4096); }
33 
			fclose($fd);
34 
			$md5 = rtrim(preg_replace('/^md5:/', '', $md5), "\n");
35 
			if ($md5 != $this->md5_of_file($this->listdir . "/archive/threads/" . $month)) {
1973 aperonnet 36 
				$html .= "<!-- $md5 ne " . $this->md5_of_file($this->listdir . "/archive/threads/" . $month) . " -->\n";
448 ddelon 37 
				$this->build($month);
38 
			}
39 
		}
1973 aperonnet 40 
		$html .= $this->display($month);
41 
		return $html ;
448 ddelon 42 
	}
43 
 
44 
	// display: this loads each cache file sequentially and displays the messages in them
45 
	// there is no checking of checksum's done here so load() is the preferred method to
46 
	// view the threads
47 
	function display($month) {
48 
		$seq = 0;
1973 aperonnet 49 
		$html = '' ;
448 ddelon 50 
		if (!is_dir($this->tempdir . "/ezmlm-php-" . $this->listname)) {
51 
			$cache = $this->tempdir . "/ezmlm-php-" . $this->listname . "-" . $month;
52 
		} else {
53 
			$cache = $this->tempdir . "/ezmlm-php-" . $this->listname . "/" . $month;
54 
		}
55 
        // Le lien par date et par thread
1973 aperonnet 56 
        $html .= '[ '.$this->makelink('action=show_month&amp;actionargs[]='.$month, 'par date').' ]' ;
1965 aperonnet 57 
		$months = array(1 => 'January', 2 => 'February', 3 => 'March', 4 => 'April', 5 => 'May', 6 => 'June', 7 => 'July', 8 => 'August',
58 
		9 => 'September', 10 => 'October', 11 => 'November', 12 => 'December');
448 ddelon 59 
        // remplacé par le tableau globals $mois dans ezmlm.php
1973 aperonnet 60 
		$html .= '<h2>'.FIL_DE_DISCUSSION.' pour '.$GLOBALS['mois'][((int)substr($month,4,2) / 1) -1] .', ' . substr($month,0,4) . '</h2>'."\n";
448 ddelon 61 
 
1973 aperonnet 62 
		$html .= '<table class="table_cadre">'."\n";
63 
		$html .= '<tr><th>Num</th><th>De</th><th>Sujet</th><th>Date</th></tr>'."\n";
64 
		$html .= '<tr><td colspan="3"><hr /></td></tr>'."\n";
448 ddelon 65 
		$ctc = 0;
66 
 
67 
		if (is_file($cache)) {
68 
			include($cache);
69 
		}
1973 aperonnet 70 
		$html .= '<tr><td colspan="3"></td></tr>'."\n";
71 
        $html .= '</table>'."\n";
72 
 
73 
        return $html ;
448 ddelon 74 
        }
75 
 
76 
 
77 
	function thread_to_html($thread) {
78 
		$html = '';
79 
		$lastdepth = -1;
80 
        $ctc = 0 ;
81 
		$thread_curr = $thread;
82 
        $class = array ('ligne_paire', 'ligne_impaire') ;
83 
		while ($thread_curr != NULL) {
84 
            preg_match ('!/archive/([0-9]*)/([0-9]*)!', $thread_curr->file, $match) ;
85 
            if (!isset($GLOBALS['fichiers_analyses'][$match[1]][$match[2]])) {
86 
                $message = file_get_contents($this->listdir . "/archive/" . $msgdir . "/" . $msgfile) ;
87 
                $mimeDecode = new Mail_mimeDecode($message) ;
88 
                $mailDecode = $mimeDecode->decode() ;
89 
                //$msg = new ezmlm_parser();
90 
                //$msg->parse_file($this->listdir . $thread_curr->file, TRUE);
91 
 
92 
            } else {
93 
                $mailDecode = $GLOBALS['fichiers_analyses'][$match[1]][$match[2]] ;
94 
            }
95 
            $actionargs = preg_split("/\//", $thread_curr->file);
96 
			$html .= '<tr class="'.$class[$ctc].'">'."\n";
97 
			$html .= '<td>'.$actionargs[2].$actionargs[3].'</td><td>';
98 
			$html .= $this->makelink('action=show_author_msgs&amp;actionargs[]='.
99 
                    $this->makehash($this->decode_iso($mailDecode->headers['from'])),$this->decode_iso($this->protect_email($mailDecode->headers['from'],TRUE)));
100 
			$html .= '</td>'."\n";
101 
			$html .= '<td><b>';
102 
			//$html .= " <a name=\"" . urlencode($thread_curr->file) . "\">";    A quoi ça sert ?
103 
			for ($i = 0; $i < $thread_curr->depth; $i++) {
104 
				$html .= "&nbsp;&nbsp;";
105 
			}
106 
			if (($this->thread_subjlen > 0) and (strlen($this->decode_iso($mailDecode->headers['subject'])) > $this->thread_subjlen)) {
107 
				$subject = substr($this->decode_iso($mailDecode->headers['subject']), 0, ($this->thread_subjlen - 3 - ($thread_curr->depth * 2)));
108 
				$subject = $subject . "...";
109 
			} else {
110 
				$subject = $this->decode_iso($mailDecode->headers['subject']);
111 
			}
112 
 
113 
 
114 
			$subject = preg_replace("/\[" . $this->listname . "\]/", "", $subject);
115 
			$html .= $this->makelink("action=show_msg&amp;actionargs[]=" . $actionargs[2] . "&amp;actionargs[]=" . $actionargs[3], $subject);
116 
			$html .= "</b></td>\n";
117 
			$html .= '<td>' .$this->date_francaise($mailDecode->headers['date']).'</td>'."\n";
118 
			$html .= "</tr>\n";
119 
 
120 
			$ctc++;
121 
			if ($ctc == count($this->tablecolours)) { $ctc = 0; }
122 
 
123 
			$lastdepth = $thread_curr->depth;
124 
			$thread_curr = $thread_curr->next;
125 
		}
126 
 
127 
		$html .= '<tr><td colspan="3"><hr noshade size="1" /></td></tr>'."\n";
128 
		return $html;
129 
	}
130 
 
131 
	// build: takes one argument in the format YYYYMM and builds the thread cache file
132 
	// for that month if the ezmlm thread file exists. The resulting cache file is then
133 
	// stored in $this->tmpdir;
134 
	function build($month) {
135 
		if (!is_file($this->listdir . "/archive/threads/" . $month)) { return FALSE; }
136 
 
137 
		if (!is_dir($this->tempdir . "/ezmlm-php-" . $this->listname)) {
138 
                        $fd2 = fopen($this->tempdir . "/ezmlm-php-" . $this->listname . "-" . $month,"w+");
139 
                } else {
140 
                        $fd2 = fopen($this->tempdir . "/ezmlm-php-" . $this->listname . "/" . $month,"w+");
141 
                }
142 
		fclose($fd2);
143 
        $i=0;
144 
        // ouverture du fichier thread de ezmlm
145 
        // Ils sont classés mois par mois
146 
		$fd1 = fopen($this->listdir . "/archive/threads/" . $month, "r");
147 
		while (!feof($fd1)) {
148 
			$line = fgets($fd1,4096);
149 
			if (preg_match('/^[0-9]*\:[a-z]* \[.*/', $line)) {
150 
				// valid ezmlm thread file entry
151 
 
152 
                // On place dans $subjectfile le chemin vers le fichier sujet
153 
				$subjectfile = preg_replace("/^[0-9]*\:([a-z]*) \[.*/", "\\1", $line);
154 
                $subjectfile = substr($subjectfile,0,2) . '/' . substr($subjectfile,2,18);
155 
 
156 
				$thread_head = NULL;
157 
				$thread_curr = NULL;
158 
				$thread_temp = NULL;
159 
				$thread_depth = 1;
160 
 
161 
				if (!is_file($this->listdir . "/archive/subjects/" . $subjectfile)) { continue; }
162 
                // on ouvre le fichier sujet
163 
                // Celui-ci contient sur la première ligne le hash du sujet puis le sujet
164 
                // sur les autres lignes :
165 
                // num_message:annéemois:hash_auteur nom_auteur
166 
				$fd2 = fopen($this->listdir . "/archive/subjects/" . $subjectfile, "r");
167 
				while (!feof($fd2)) {
168 
					$line2 = fgets($fd2,4096);
169 
					if (preg_match('/^[0-9]/',$line2)) {
170 
						$msgnum = preg_replace('/^([0-9]*):.*/', '\\1', $line2);
171 
						$msgfile = $msgnum % 100;
172 
                        $msgdir  = (int)($msgnum / 100);
173 
						if ($msgfile < 10) { $msgfile = "0" . $msgfile; }
174 
						//$msg = new ezmlm_parser();
175 
						//$msg->parse_file_headers($this->listdir . "/archive/" . $msgdir . "/" . $msgfile, TRUE);
176 
 
177 
                        $message = file_get_contents($this->listdir . "/archive/" . $msgdir . "/" . $msgfile) ;
178 
                        $mimeDecode = new Mail_mimeDecode($message) ;
179 
                        $mailDecode = $mimeDecode->decode() ;
180 
 
181 
 
182 
 
1336 neiluj 183 
                        // On stocke le fichier analysée pour réutilisation ultàrieure
448 ddelon 184 
                        $GLOBALS['fichiers_analyses'][$msgdir][$msgfile] =  $mailDecode ;
185 
						$msgid = (isset ($mailDecode->headers['message-id']) ? $mailDecode->headers['message-id'] : '');
186 
						$inreply = (isset($mailDecode->headers['in-reply-to']) ? $mailDecode->headers['in-reply-to'] : '');
187 
						$references = (isset ($mailDecode->headers['references']) ? $mailDecode->headers['references'] : '') ;
188 
						$thread_depth = 1;
189 
 
190 
						if ($thread_head == NULL) {
191 
							$thread_head = new ezmlm_thread(0,'/archive/' . $msgdir . '/' . $msgfile,$msgid);
192 
						} else {
193 
							$thread_curr = new ezmlm_thread($depth,'/archive/' . $msgdir . '/' . $msgfile,$msgid);
194 
							if ($inreply != '') { $thread_curr->inreply = $inreply; }
195 
							if ($references != '') { $thread_curr->references = $references; }
196 
							$thread_head->append($thread_curr);
197 
						}
198 
					}
199 
				}
200 
				fclose($fd2);
201 
 
202 
				// so now after all that mess $thread_head contains a full thread tree
203 
				// first build the depth of each message based on 'in-reply-to' and 'references'
204 
				unset($thread_temp);
205 
				$thread_temp = NULL;
206 
				$thread_curr =& $thread_head->next;
207 
				while (get_class($thread_curr) == 'ezmlm_thread') {
208 
					unset($thread_temp);
209 
					$thread_temp = NULL;
210 
 
211 
					if ($thread_curr->inreply != '') { $thread_temp =& $thread_head->find_msgid($thread_curr->inreply); }
212 
					if ($thread_temp == NULL) {
213 
						if ($thread_curr->references != '') {
214 
							$refs = preg_split('/ /', $thread_curr->references);
215 
							$refs = array_pop($refs);
216 
							$thread_temp =& $thread_head->find_msgid($refs);
217 
						}
218 
					}
219 
					if ($thread_temp == NULL) {
220 
						// we couldn't find anything... set depth to 1, the default
221 
						$thread_curr->depth = 1;
222 
					} else {
223 
						// we found a reference, set it to it's depth + 1
224 
						$thread_curr->depth = $thread_temp->depth + 1;
225 
					}
226 
					$thread_curr =& $thread_curr->next;
227 
				}
228 
 
229 
				// now write it to a temp file named MONTH-SEQ where seq is cronologic sequence order of the thread.
230 
				if (!is_dir($this->tempdir . "/ezmlm-php-" . $this->listname)) {
231 
					@mkdir($this->tempdir . "/ezmlm-php-" . $this->listname, 0755);
232 
					if (!is_dir($this->tempdir . "/ezmlm-php-" . $this->listname)) {
233 
						$fd2 = fopen($this->tempdir . "/ezmlm-php-" . $this->listname . "-" . $month, "a");
234 
					} else {
235 
						$fd2 = fopen($this->tempdir . "/ezmlm-php-" . $this->listname . "/" . $month, "a");
236 
					}
237 
				} else {
238 
					$fd2 = fopen($this->tempdir . "/ezmlm-php-" . $this->listname . "/" . $month, "a");
239 
				}
240 
				fputs($fd2,$this->thread_to_html($thread_head));
241 
				fclose($fd2);
242 
			}
243 
		}
244 
 
245 
		// finally store our checksum
246 
		if (!is_dir($this->tempdir . "/ezmlm-php-" . $this->listname)) {
247 
			$fd2 = fopen($this->tempdir . "/ezmlm-php-" . $this->listname . "-" . $month . "-" . "checksum","w+");
248 
		} else {
249 
			$fd2 = fopen($this->tempdir . "/ezmlm-php-" . $this->listname . "/" . $month . "-" . "checksum","w+");
250 
		}
251 
		fputs($fd2,"md5:" . $this->md5_of_file($this->listdir . "/archive/threads/" . $month) . "\n");
252 
		fclose($fd2);
253 
		fclose($fd1);
254 
 
255 
		return TRUE;
256 
	}
257 
 
258 
	// listmessages: prints out a nice little calendar and displays the message
259 
	// totals for each month. The link jumps to the thread listing.
1965 aperonnet 260 
    // On lit le repetoire archive/threads/ qui contient un fichier par moi avec tous les thread, par sujet
261 
    // Presentes comme suit
448 ddelon 262 
    // num_thread:hash [taille_du_thread] Sujet du thread (le dernier)
1965 aperonnet 263 
    // les messages sont ranges par leur numero
448 ddelon 264 
	function listmessages() {
265 
        if (!is_dir($this->listdir . "/archive/threads/")) {
266 
            return false ;
267 
        }
1965 aperonnet 268 
 
269 
        $res = '<table id="petit_calendrier">'."\n";
270 
        $res .= " <tr>\n";
271 
		$res .= "  <td></td>" ;
272 
        foreach ($GLOBALS['mois'] as $valeur) $res .= '<th>'.$valeur.'</th>' ;
273 
		$res .=" </tr>\n";
274 
        $res .= $this->calendrierMessage();
275 
        $res .= "</table>\n";
276 
        return $res;
277 
        /*
1336 neiluj 278 
        $threadcount = array();
279 
 
280 
		$repertoire_archive = opendir($this->listdir . "/archive/");
1965 aperonnet 281 
		$tableau_annee = array();
1336 neiluj 282 
		while (false !== ($item = readdir($repertoire_archive))) {
283 
			// $item contient les noms des repertoires
284 
			// on ne garde que ceux qui sont des chiffres
285 
 
286 
			if (preg_match('/[0-9]+/', $item)) {
287 
				// on ouvre le fichier d index de chaque repertoire
288 
				$fichier_index = fopen($this->listdir.'/archive/'.$item.'/index', 'r');
289 
				$compteur = 0 ;
290 
 
291 
				while (!feof($fichier_index)) {
292 
					// On ignore la premiere ligne
293 
					$temp = fgets($fichier_index, 4096);
294 
					// dans la seconde on recupere la date
295 
					$temp = fgets($fichier_index, 4096);
296 
					preg_match('/\t([0-9]+) ([a-zA-Z][a-zA-Z][a-zA-Z]) ([0-9][0-9][0-9][0-9])/', $temp, $match) ;
297 
					if ($match[0] != '') {
1965 aperonnet 298 
 
1336 neiluj 299 
						$threadmonth = date('n', strtotime($match[0]))  ;
300 
						$threadyear = date('Y', strtotime($match[0])) ;
301 
						$threadcount[$threadyear][$threadmonth]++;
1965 aperonnet 302 
						if (!in_array($threadyear, $tableau_annee)) array_push ($tableau_annee, $threadyear);
1336 neiluj 303 
					}
448 ddelon 304 
				}
1336 neiluj 305 
				fclose ($fichier_index);
448 ddelon 306 
			}
307 
		}
1965 aperonnet 308 
		if (count($threadcount) == 0) return 'Il n\y a pas de messages dans les archives';
309 
        // La partie qui suit, simple, cree la table avec le nombre de message echange chaque mois
551 alexandre_ 310 
		$res = '<table id="petit_calendrier">'."\n";
448 ddelon 311 
		$res .= " <tr>\n";
312 
		$res .= "  <td></td>" ;
1965 aperonnet 313 
        foreach ($GLOBALS['mois'] as $valeur) $res .= '<th>'.$valeur.'</th>' ;
448 ddelon 314 
		$res .=" </tr>\n";
1965 aperonnet 315 
		arsort($tableau_annee);
316 
		foreach ($tableau_annee as $annee) {
448 ddelon 317 
			$res .= " <tr>\n";
1965 aperonnet 318 
			$res .= '  <td class="col_annee">'.$annee.'</td>';
448 ddelon 319 
			for ($i = 1; $i <= 12; $i++) {
1965 aperonnet 320 
				$res .= '<td class="mois">';
321 
				if (isset($threadcount[$annee][$i]) && $threadcount[$annee][$i] > 0) {
322 
                    $res .= $this->makelink('action=show_month&amp;actionargs[]='.$annee.($i < 10 ? '0'.$i:$i),$threadcount[$annee][$i]);
323 
				}
324 
				$res .= '</td>';
448 ddelon 325 
			}
1965 aperonnet 326 
			$res .= '</tr>'."\n";
448 ddelon 327 
		}
328 
		$res .= "</table>\n";
1965 aperonnet 329 
        return $res ;
330 
        */
448 ddelon 331 
	}
1965 aperonnet 332 
	/*
333 
	 *  Cree un fichier liste.calendrierPermanent qui contient
334 
	 *  le nombre de message par mois pour toutes les annees
335 
	 *  depuis le debut de la liste sauf la derniere
336 
	 *
337 
	 */
338 
	function calculeCalendrierPermanent($Annnee = '') {
339 
		$numArchive = $this->getNumArchive();
340 
		$dernierRepertoire = floor($numArchive / 100);
341 
 
342 
		$threadcount = array();
343 
		$tableau_annee = array();
344 
 
345 
 
346 
		for ($rep_courant = $dernierRepertoire; $rep_courant >= 0; $rep_courant--) {
347 
			$fichier_index = file ($this->listdir.'/archive/'.$rep_courant.'/index', FILE_IGNORE_NEW_LINES);
348 
 
349 
			// On parcours le fichier a l envers
350 
			for ($j = count($fichier_index)-1; $j >= 0; $j-=2) {
351 
				preg_match('/\t([0-9]+) ([a-zA-Z][a-zA-Z][a-zA-Z]) ([0-9][0-9][0-9][0-9])/', $fichier_index[$j], $match) ;
352 
				if ($match[0] != '') {
353 
					$threadmonth = date('n', strtotime($match[0]))  ;
354 
					$threadyear = date('Y', strtotime($match[0])) ;
355 
					if ($Annnee != '') {
356 
						if ($threadyear < date('Y')) {
357 
							$sortir = true;
358 
							break;
359 
						}
360 
					}  else {
361 
						if ($threadyear == date('Y')) continue;
362 
					}
363 
					$threadcount[$threadyear][$threadmonth]++;
364 
					if (!in_array($threadyear, $tableau_annee)) array_push ($tableau_annee, $threadyear);
365 
				}
366 
			}
367 
			if ($sortir) break;
368 
		}
369 
		$res = '';
370 
		arsort($tableau_annee);
371 
		foreach ($tableau_annee as $annee) {
372 
			$res .= " <tr>\n";
373 
			$res .= '  <td class="col_annee">'.$annee.'</td>';
374 
			for ($i = 1; $i <= 12; $i++) {
375 
				$res .= '<td class="mois">';
376 
				if (isset($threadcount[$annee][$i]) && $threadcount[$annee][$i] > 0) {
377 
                    $res .= $this->makelink('action=show_month&amp;actionargs[]='.$annee.($i < 10 ? '0'.$i:$i),$threadcount[$annee][$i]);
378 
				}
379 
				$res .= '</td>';
380 
			}
381 
			$res .= '</tr>'."\n";
382 
		}
383 
		return $res;
384 
	}
385 
	function ecrireFichierCalendrier() {
386 
		$html = $this->calculeCalendrierPermanent();
387 
		$f = fopen ('tmp/'.$this->listname.'.calendrier', 'w') ;
388 
		fwrite ($f, $html);
389 
		fclose($f);
390 
		return $html;
391 
	}
392 
 
393 
	function calendrierMessage() {
394 
		$html = '';
395 
		// On ajoute la derniere annee
396 
		$html .= $this->calculeCalendrierPermanent(date ('Y'));
397 
 
398 
		if ($this->isFichierCalendrierExiste()) {
399 
			// S il existe mais qu il est trop vieux, il faut le recalculer
400 
			if ($this->isDoitRecalculerCalendrier()) {
401 
				$annees = $this->getAnneesARecalculer();
402 
				$html .= $this->calculeCalendrierPermanent($annees);
403 
		    }
404 
			$html .= file_get_contents('tmp/'.$this->listname.'.calendrier');
405 
		} else {
406 
			$html .= $this->ecrireFichierCalendrier();
407 
		}
408 
		return $html;
409 
	}
410 
 
411 
	function isFichierCalendrierExiste() {
412 
		if (file_exists('tmp/'.$this->listname.'.calendrier')) {
413 
			return true;
414 
		}
415 
		return false;
416 
	}
417 
	function isDoitRecalculerCalendrier() {
418 
 
419 
		if (date ('Y', fileatime('tmp/'.$this->listname.'.calendrier')) != date('Y')) return true;
420 
		return false;
421 
	}
422 
 
423 
	function getAnneesARecalculer() {
424 
		// On suppose que l index de ezmlm est correct
425 
		$anneeFichierCalendrier = date ('Y', fileatime('tmp/'.$this->listname.'.calendrier'));
426 
		return $anneeFichierCalendrier + 1;
427 
	}
428 
 
448 ddelon 429 
}
430 
 
431 
// CLASS: ezmlm-thread is a quick little class to allow us to define
432 
// a structure of the current thread in a single-linked list.
433 
// it's a little messy since php doesn't support pointers like C does
434 
// so we have to use references and a head object to append to the list.
435 
class ezmlm_thread {
436 
	var $next;
437 
	var $depth;
438 
	var $file;
439 
	var $msgid;
440 
	var $inreply;
441 
	var $references;
442 
	function append($thread) {
443 
		$thread_curr =& $this;
444 
		while ($thread_curr->next != NULL) {
445 
			$thread_curr =& $thread_curr->next;
446 
		}
447 
		$thread_curr->next = $thread;
448 
	}
449 
	function &find_msgid($msgid) {
450 
		$thread_curr =& $this;
451 
		while ($thread_curr->next != NULL) {
452 
			if (trim($thread_curr->msgid) == trim($msgid)) { return $thread_curr; }
453 
			$thread_curr =& $thread_curr->next;
454 
		}
455 
		return NULL;
456 
	}
457 
	function ezmlm_thread($depth,$file,$msgid) {
458 
		$this->depth = $depth;
459 
		$this->file  = $file;
460 
		$this->msgid = $msgid;
461 
		$this->next = NULL;
462 
	}
463 
}
464 
?>