functions/mailbox_display.php

   1 <?php
   2
   3    /**
   4     **  mailbox_display.php
   5     **
   6     **  This contains functions that display mailbox information, such as the
   7     **  table row that has sender, date, subject, etc...
   8     **
   9     **  $Id$
  10     **/
  11
  12    if (defined('mailbox_display_php'))
  13        return;
  14    define('mailbox_display_php', true);
  15
  16    function printMessageInfo($imapConnection, $t, $i, $key, $mailbox, $sort, $startMessage, $where, $what) {
  17       global $checkall;
  18       global $color, $msgs, $msort;
  19       global $sent_folder;
  20       global $message_highlight_list;
  21       global $index_order;
  22
  23       $color_string = $color[4];
  24       if ($GLOBALS['alt_index_colors']) {
  25           if (!isset($GLOBALS["row_count"])) {
  26             $GLOBALS["row_count"] = 0;
  27           }
  28           $GLOBALS["row_count"]++;
  29           if ($GLOBALS["row_count"] % 2) {
  30           if (!isset($color[12])) $color[12] = "#EAEAEA";
  31             $color_string = $color[12];
  32           }
  33       }
  34
  35       $msg = $msgs[$key];
  36
  37       $senderName = sqimap_find_displayable_name($msg['FROM']);
  38       $urlMailbox = urlencode($mailbox);
  39       $subject = processSubject($msg['SUBJECT']);
  40
  41       echo "<TR>\n";
  42
  43       if (isset($msg['FLAG_FLAGGED']) && $msg['FLAG_FLAGGED'] == true)
  44       {
  45          $flag = "<font color=$color[2]>";
  46          $flag_end = '</font>';
  47       }
  48       else
  49       {
  50          $flag = '';
  51          $flag_end = '';
  52       }
  53       if (!isset($msg['FLAG_SEEN']) || $msg['FLAG_SEEN'] == false)
  54       {
  55          $bold = '<b>';
  56          $bold_end = '</b>';
  57       }
  58       else
  59       {
  60          $bold = '';
  61          $bold_end = '';
  62       }
  63       if ($mailbox == $sent_folder)
  64       {
  65          $italic = '<i>';
  66          $italic_end = '</i>';
  67       }
  68       else
  69       {
  70          $italic = '';
  71          $italic_end = '';
  72       }
  73       if (isset($msg['FLAG_DELETED']) && $msg['FLAG_DELETED'])
  74       {
  75          $fontstr = "<font color=\"$color[9]\">";
  76          $fontstr_end = '</font>';
  77       }
  78       else
  79       {
  80          $fontstr = '';
  81          $fontstr_end = '';
  82       }
  83
  84       for ($i=0; $i < count($message_highlight_list); $i++) {
  85          if (trim($message_highlight_list[$i]['value']) != '') {
  86             if ($message_highlight_list[$i]['match_type'] == 'to_cc') {
  87                if (strpos('^^'.strtolower($msg['TO']), strtolower($message_highlight_list[$i]['value'])) || strpos('^^'.strtolower($msg['CC']), strtolower($message_highlight_list[$i]['value']))) {
  88                   $hlt_color = $message_highlight_list[$i]['color'];
  89                   continue;
  90                }
  91             } else if (strpos('^^'.strtolower($msg[strtoupper($message_highlight_list[$i]['match_type'])]),strtolower($message_highlight_list[$i]['value']))) {
  92                $hlt_color = $message_highlight_list[$i]['color'];
  93                continue;
  94             }
  95          }
  96       }
  97
  98       if (!isset($hlt_color))
  99          $hlt_color = $color_string;
 100
 101       if ($where && $what) {
 102          $search_stuff = '&where='.urlencode($where).'&what='.urlencode($what);
 103       }
 104
 105       if ($checkall == 1)
 106          $checked = ' checked';
 107       else
 108          $checked = '';
 109
 110       for ($i=1; $i <= count($index_order); $i++) {
 111          switch ($index_order[$i]) {
 112             case 1: # checkbox
 113                echo "   <td bgcolor=$hlt_color align=center><input type=checkbox name=\"msg[$t]\" value=".$msg["ID"]."$checked></TD>\n";
 114                break;
 115             case 2: # from
 116                echo "   <td bgcolor=$hlt_color>$italic$bold$flag$fontstr$senderName$fontstr_end$flag_end$bold_end$italic_end</td>\n";
 117                break;
 118             case 3: # date
 119                echo "   <td nowrap bgcolor=$hlt_color><center>$bold$flag$fontstr".$msg["DATE_STRING"]."$fontstr_end$flag_end$bold_end</center></td>\n";
 120                break;
 121             case 4: # subject
 122                echo "   <td bgcolor=$hlt_color>$bold";
 123                    if (! isset($search_stuff)) { $search_stuff = ''; }
 124                echo "<a href=\"read_body.php?mailbox=$urlMailbox&passed_id=".$msg["ID"]."&startMessage=$startMessage&show_more=0$search_stuff\"";
 125                do_hook("subject_link");
 126                echo " title=\"" . urlencode($msg['SUBJECT']) .
 127                   "\">$flag$subject$flag_end</a>$bold_end</td>\n";
 128                break;
 129             case 5: # flags
 130                $stuff = false;
 131                echo "   <td bgcolor=$hlt_color align=center nowrap><b><small>\n";
 132                if (isset($msg['FLAG_ANSWERED']) &&
 133                    $msg['FLAG_ANSWERED'] == true) {
 134                   echo "A\n";
 135                   $stuff = true;
 136                }
 137                if ($msg['TYPE0'] == 'multipart') {
 138                   echo "+\n";
 139                   $stuff = true;
 140                }
 141                if (ereg('(1|2)',substr($msg['PRIORITY'],0,1))) {
 142                   echo "<font color=$color[1]>!</font>\n";
 143                   $stuff = true;
 144                }
 145                if (isset($msg['FLAG_DELETED']) && $msg['FLAG_DELETED']) {
 146                   echo "<font color=\"$color[1]\">D</font>\n";
 147                   $stuff = true;
 148                }
 149
 150                if (!$stuff) echo "&nbsp;\n";
 151                echo "</small></b></td>\n";
 152                break;
 153             case 6: # size
 154                echo "   <td bgcolor=$hlt_color>$bold$fontstr".show_readable_size($msg['SIZE'])."$fontstr_end$bold_end</td>\n";
 155                break;
 156          }
 157       }
 158
 159
 160       echo "</tr>\n";
 161    }
 162
 163    /**
 164     ** This function loops through a group of messages in the mailbox and shows them
 165     **/
 166    function showMessagesForMailbox($imapConnection, $mailbox, $numMessages, $startMessage, $sort, $color,$show_num, $use_cache) {
 167       global $msgs, $msort;
 168       global $sent_folder;
 169       global $message_highlight_list;
 170       global $auto_expunge;
 171
 172       if ($auto_expunge == true) sqimap_mailbox_expunge($imapConnection, $mailbox, false);
 173       sqimap_mailbox_select($imapConnection, $mailbox);
 174
 175       $issent = ($mailbox == $sent_folder);
 176       if (!$use_cache) {
 177          // if it's sorted
 178          if ($numMessages >= 1) {
 179             if ($sort < 6) {
 180                $id = range(1, $numMessages);
 181             } else {
 182                // if it's not sorted
 183                if ($startMessage + ($show_num - 1) < $numMessages) {
 184                   $endMessage = $startMessage + ($show_num-1);
 185                } else {
 186                   $endMessage = $numMessages;
 187                }
 188
 189                if ($endMessage < $startMessage) {
 190                   $startMessage = $startMessage - $show_num;
 191                   if ($startMessage < 1)
 192                      $startMessage = 1;
 193                }
 194
 195                $real_startMessage = $numMessages - $startMessage + 1;
 196                $real_endMessage = $numMessages - $startMessage - $show_num + 2;
 197                if ($real_endMessage <= 0)
 198                   $real_endMessage = 1;
 199                $id = array_reverse(range($real_endMessage, $real_startMessage));
 200             }
 201
 202             $msgs_list = sqimap_get_small_header_list($imapConnection, $id, $issent);
 203             $flags = sqimap_get_flags_list($imapConnection, $id, $issent);
 204             foreach ($msgs_list as $hdr) {
 205                $from[] = $hdr->from;
 206                $date[] = $hdr->date;
 207                $subject[] = $hdr->subject;
 208                $to[] = $hdr->to;
 209                $priority[] = $hdr->priority;
 210                $cc[] = $hdr->cc;
 211                $size[] = $hdr->size;
 212                $type[] = $hdr->type0;
 213             }
 214          }
 215
 216          $j = 0;
 217          if ($sort == 6) {
 218             $end = $startMessage + $show_num - 1;
 219             if ($numMessages < $show_num)
 220                 $end_loop = $numMessages;
 221             elseif ($end > $numMessages)
 222                 $end_loop = $numMessages - $startMessage + 1;
 223             else
 224                 $end_loop = $show_num;
 225          } else {
 226             $end = $numMessages;
 227             $end_loop = $end;
 228          }
 229          while ($j < $end_loop) {
 230             if (isset($date[$j])) {
 231                 $date[$j] = ereg_replace('  ', ' ', $date[$j]);
 232                 $tmpdate = explode(' ', trim($date[$j]));
 233             } else {
 234                 $tmpdate = $date = array("","","","","","");
 235             }
 236
 237             $messages[$j]['TIME_STAMP'] = getTimeStamp($tmpdate);
 238             $messages[$j]['DATE_STRING'] = getDateString($messages[$j]['TIME_STAMP']);
 239             $messages[$j]['ID'] = $id[$j];
 240             $messages[$j]['FROM'] = decodeHeader($from[$j]);
 241             $messages[$j]['FROM-SORT'] = strtolower(sqimap_find_displayable_name(decodeHeader($from[$j])));
 242             $messages[$j]['SUBJECT'] = decodeHeader($subject[$j]);
 243             $messages[$j]['SUBJECT-SORT'] = strtolower(decodeHeader($subject[$j]));
 244             $messages[$j]['TO'] = decodeHeader($to[$j]);
 245             $messages[$j]['PRIORITY'] = $priority[$j];
 246             $messages[$j]['CC'] = $cc[$j];
 247             $messages[$j]['SIZE'] = $size[$j];
 248             $messages[$j]['TYPE0'] = $type[$j];
 249
 250             # fix SUBJECT-SORT to remove Re:
 251             $re_abbr = # Add more here!
 252                'vedr|sv|' .    # Danish
 253                're|aw';        # English
 254             if (eregi("^($re_abbr):[ ]*(.*)$", $messages[$j]['SUBJECT-SORT'], $regs))
 255                $messages[$j]['SUBJECT-SORT'] = $regs[2];
 256
 257             $num = 0;
 258             while ($num < count($flags[$j])) {
 259                if ($flags[$j][$num] == 'Deleted') {
 260                   $messages[$j]['FLAG_DELETED'] = true;
 261                }
 262                elseif ($flags[$j][$num] == 'Answered') {
 263                   $messages[$j]['FLAG_ANSWERED'] = true;
 264                }
 265                elseif ($flags[$j][$num] == 'Seen') {
 266                   $messages[$j]['FLAG_SEEN'] = true;
 267                }
 268                elseif ($flags[$j][$num] == 'Flagged') {
 269                   $messages[$j]['FLAG_FLAGGED'] = true;
 270                }
 271                $num++;
 272             }
 273             $j++;
 274          }
 275
 276          /* Only ignore messages flagged as deleted if we are using a
 277           * trash folder or auto_expunge */
 278          if (((isset($move_to_trash) && $move_to_trash)
 279               || (isset($auto_expunge) && $auto_expunge)) && $sort != 6)
 280          {
 281             /** Find and remove the ones that are deleted */
 282             $i = 0;
 283             $j = 0;
 284             while ($j < $numMessages) {
 285                if (isset($messages[$j]['FLAG_DELETED']) && $messages[$j]['FLAG_DELETED'] == true) {
 286                   $j++;
 287                   continue;
 288                }
 289                $msgs[$i] = $messages[$j];
 290
 291                $i++;
 292                $j++;
 293             }
 294             $numMessages = $i;
 295          } else {
 296             if (! isset($messages))
 297                 $messages = array();
 298             $msgs = $messages;
 299          }
 300       }
 301
 302       // There's gotta be messages in the array for it to sort them.
 303       if ($numMessages > 0 && ! $use_cache) {
 304          /** 0 = Date (up)      4 = Subject (up)
 305           ** 1 = Date (dn)      5 = Subject (dn)
 306           ** 2 = Name (up)
 307           ** 3 = Name (dn)
 308           **/
 309          session_unregister("msgs");
 310          if (($sort == 0) || ($sort == 1))
 311             $msort = array_cleave ($msgs, 'TIME_STAMP');
 312          elseif (($sort == 2) || ($sort == 3))
 313             $msort = array_cleave ($msgs, 'FROM-SORT');
 314          elseif (($sort == 4) || ($sort == 5))
 315             $msort = array_cleave ($msgs, 'SUBJECT-SORT');
 316          else // ($sort == 6)
 317             $msort = $msgs;
 318
 319          if ($sort < 6) {
 320             if ($sort % 2) {
 321                asort($msort);
 322             } else {
 323                arsort($msort);
 324             }
 325          }
 326          session_register('msort');
 327       }
 328       displayMessageArray($imapConnection, $numMessages, $startMessage, $msgs, $msort, $mailbox, $sort, $color,$show_num);
 329      session_register('msgs');
 330    }
 331
 332    // generic function to convert the msgs array into an HTML table
 333    function displayMessageArray($imapConnection, $numMessages, $startMessage, &$msgs, $msort, $mailbox, $sort, $color,$show_num) {
 334       global $folder_prefix, $sent_folder;
 335       global $imapServerAddress;
 336       global $index_order, $real_endMessage, $real_startMessage, $checkall;
 337
 338       // if cache isn't already set, do it now
 339       if (!session_is_registered('msgs'))
 340          session_register('msgs');
 341       if (!session_is_registered('msort'))
 342          session_register('msort');
 343
 344       if ($startMessage + ($show_num - 1) < $numMessages) {
 345          $endMessage = $startMessage + ($show_num-1);
 346       } else {
 347          $endMessage = $numMessages;
 348       }
 349
 350       if ($endMessage < $startMessage) {
 351          $startMessage = $startMessage - $show_num;
 352          if ($startMessage < 1)
 353             $startMessage = 1;
 354       }
 355
 356       $nextGroup = $startMessage + $show_num;
 357       $prevGroup = $startMessage - $show_num;
 358       $urlMailbox = urlencode($mailbox);
 359
 360       do_hook('mailbox_index_before');
 361
 362       $Message = '';
 363       if ($startMessage < $endMessage) {
 364          $Message = _("Viewing messages") ." <B>$startMessage</B> ". _("to") ." <B>$endMessage</B> ($numMessages " . _("total") . ")\n";
 365       } elseif ($startMessage == $endMessage) {
 366          $Message = _("Viewing message") ." <B>$startMessage</B> ($numMessages " . _("total") . ")\n";
 367       }
 368
 369       $More = '';
 370       if ($sort == 6) {
 371          $use = 0;
 372       } else {
 373          $use = 1;
 374       }
 375       if (($nextGroup <= $numMessages) && ($prevGroup >= 0)) {
 376          $More = "<A HREF=\"right_main.php?use_mailbox_cache=$use&startMessage=$prevGroup&mailbox=$urlMailbox\" TARGET=\"right\">". _("Previous") ."</A> | \n";
 377          $More .= "<A HREF=\"right_main.php?use_mailbox_cache=$use&&startMessage=$nextGroup&mailbox=$urlMailbox\" TARGET=\"right\">". _("Next") ."</A>\n";
 378       }
 379       elseif (($nextGroup > $numMessages) && ($prevGroup >= 0)) {
 380          $More = "<A HREF=\"right_main.php?use_mailbox_cache=$use&startMessage=$prevGroup&mailbox=$urlMailbox\" TARGET=\"right\">". _("Previous") ."</A> | \n";
 381          $More .= "<FONT COLOR=\"$color[9]\">"._("Next")."</FONT>\n";
 382       }
 383       elseif (($nextGroup <= $numMessages) && ($prevGroup < 0)) {
 384          $More = "<FONT COLOR=\"$color[9]\">"._("Previous")."</FONT> | \n";
 385          $More .= "<A HREF=\"right_main.php?use_mailbox_cache=$use&startMessage=$nextGroup&mailbox=$urlMailbox\" TARGET=\"right\">". _("Next") ."</A>\n";
 386       }
 387
 388       if (! isset($msg))
 389           $msg = "";
 390       mail_message_listing_beginning($imapConnection,
 391          "move_messages.php?msg=$msg&mailbox=$urlMailbox&startMessage=$startMessage",
 392           $mailbox, $sort, $Message, $More, $startMessage);
 393
 394       $groupNum = $startMessage % ($show_num - 1);
 395       $real_startMessage = $startMessage;
 396       if ($sort == 6) {
 397          if ($endMessage - $startMessage < $show_num - 1) {
 398             $endMessage = $endMessage - $startMessage + 1;
 399             $startMessage = 1;
 400          } else if ($startMessage > $show_num) {
 401             $endMessage = $show_num;
 402             $startMessage = 1;
 403          }
 404       }
 405
 406       $endVar = $endMessage + 1;
 407
 408       // loop through and display the info for each message.
 409       $t = 0; // $t is used for the checkbox number
 410       if ($numMessages == 0) { // if there's no messages in this folder
 411          echo "<TR><TD BGCOLOR=\"$color[4]\" COLSPAN=" . count($index_order);
 412          echo "><CENTER><BR><B>". _("THIS FOLDER IS EMPTY") ."</B><BR>&nbsp;</CENTER></TD></TR>";
 413       } else if ($startMessage == $endMessage) { // if there's only one message in the box, handle it different.
 414          if ($sort != 6)
 415             $i = $startMessage;
 416          else
 417             $i = 1;
 418          reset($msort);
 419          $k = 0;
 420          do {
 421             $key = key($msort);
 422             next($msort);
 423             $k++;
 424          } while (isset ($key) && ($k < $i));
 425          printMessageInfo($imapConnection, $t, $i, $key, $mailbox, $sort, $real_startMessage, 0, 0);
 426       } else {
 427          $i = $startMessage;
 428
 429          reset($msort);
 430          $k = 0;
 431          do {
 432             $key = key($msort);
 433             next($msort);
 434             $k++;
 435          } while (isset ($key) && ($k < $i));
 436
 437          do {
 438             printMessageInfo($imapConnection, $t, $i, $key, $mailbox, $sort, $real_startMessage, 0, 0);
 439             $key = key($msort);
 440             $t++;
 441             $i++;
 442             next($msort);
 443          } while ($i && $i < $endVar);
 444       }
 445       echo '</TABLE></FORM>';
 446
 447       echo "</td></tr>\n";
 448
 449       echo "<TR BGCOLOR=\"$color[4]\"><TD>";
 450       echo '<table width="100%" cellpadding="0" cellspacing="0" border="0"><tr><td>';
 451       echo "$More</td><td align=right>\n";
 452       if (!$startMessage) $startMessage=1;
 453       ShowSelectAllLink($startMessage, $sort);
 454
 455       echo '</td></tr></table>';
 456       echo '</td></tr>';
 457       echo '</table>'; /** End of message-list table */
 458
 459       do_hook('mailbox_index_after');
 460    }
 461
 462    /* Displays the standard message list header.
 463     * To finish the table, you need to do a "</table></table>";
 464     * $moveURL is the URL to submit the delete/move form to
 465     * $mailbox is the current mailbox
 466     * $sort is the current sorting method (-1 for no sorting available [searches])
 467     * $Message is a message that is centered on top of the list
 468     * $More is a second line that is left aligned
 469     */
 470    function mail_message_listing_beginning($imapConnection, $moveURL,
 471        $mailbox = '', $sort = -1, $Message = '', $More = '', $startMessage = 1)
 472    {
 473       global $color, $index_order, $auto_expunge, $move_to_trash;
 474       global $checkall, $sent_folder;
 475       $urlMailbox = urlencode($mailbox);
 476          /** This is the beginning of the message list table.  It wraps around all messages */
 477       echo '<TABLE WIDTH="100%" BORDER="0" CELLPADDING="2" CELLSPACING="0">';
 478
 479       if ($Message)
 480       {
 481          echo "<TR BGCOLOR=\"$color[4]\"><TD align=center>$Message</td></tr>\n";
 482       }
 483
 484       echo "<TR BGCOLOR=\"$color[4]\"><TD>";
 485       echo '<table width="100%" cellpadding="0" cellspacing="0" border="0"><tr><td>';
 486       echo "$More</td><td align=right>\n";
 487       ShowSelectAllLink($startMessage, $sort);
 488
 489       echo '</td></tr></table>';
 490       echo '</td></tr>';
 491
 492       /** The delete and move options */
 493       echo "<TR><TD BGCOLOR=\"$color[0]\">";
 494
 495       echo "\n\n\n<FORM name=messageList method=post action=\"$moveURL\">\n";
 496       echo "<TABLE BGCOLOR=\"$color[0]\" COLS=2 BORDER=0 cellpadding=0 cellspacing=0 width=100%>\n";
 497       echo "   <TR>\n";
 498       echo "      <TD WIDTH=60% ALIGN=LEFT VALIGN=CENTER>\n";
 499
 500
 501       echo '         <NOBR><SMALL>'. _("Move selected to:") .'</SMALL>';
 502       echo '         <TT><SMALL><SELECT NAME="targetMailbox">';
 503
 504       $boxes = sqimap_mailbox_list($imapConnection);
 505       for ($i = 0; $i < count($boxes); $i++) {
 506          if (!in_array("noselect", $boxes[$i]['flags'])) {
 507             $box = $boxes[$i]['unformatted'];
 508             $box2 = str_replace(' ', '&nbsp;', $boxes[$i]['unformatted-disp']);
 509             echo "         <OPTION VALUE=\"$box\">$box2</option>\n";
 510          }
 511       }
 512       echo '         </SELECT></SMALL></TT>';
 513       echo '         <SMALL><INPUT TYPE=SUBMIT NAME="moveButton" VALUE="'. _("Move") ."\"></SMALL></NOBR>\n";
 514       echo "      </TD>\n";
 515       echo "      <TD WIDTH=40% ALIGN=RIGHT>\n";
 516       if (! $auto_expunge) {
 517          echo '         <NOBR><SMALL><INPUT TYPE=SUBMIT NAME="expungeButton" VALUE="'. _("Expunge") .'">&nbsp;'. _("mailbox") ."</SMALL></NOBR>&nbsp;&nbsp;\n";
 518       }
 519       echo "         <NOBR><SMALL><INPUT TYPE=SUBMIT VALUE=\"". _("Delete") ."\">&nbsp;". _("checked messages") ."</SMALL></NOBR>\n";
 520       echo "      </TD>\n";
 521       echo "   </TR>\n";
 522
 523       echo "</TABLE>\n";
 524       do_hook('mailbox_form_before');
 525       echo '</TD></TR>';
 526
 527       echo "<TR><TD BGCOLOR=\"$color[0]\">";
 528       echo "<TABLE WIDTH=100% BORDER=0 CELLPADDING=2 CELLSPACING=";
 529       if ($GLOBALS['alt_index_colors']) {
 530         echo "0";
 531       } else {
 532         echo "1";
 533       }
 534       echo " BGCOLOR=\"$color[0]\">";
 535       echo "<TR BGCOLOR=\"$color[5]\" ALIGN=\"center\">";
 536
 537       // Print the headers
 538       for ($i=1; $i <= count($index_order); $i++) {
 539          switch ($index_order[$i]) {
 540             case 1: # checkbox
 541             case 5: # flags
 542                echo '   <TD WIDTH="1%"><B>&nbsp;</B></TD>';
 543                break;
 544
 545             case 2: # from
 546                if ($mailbox == $sent_folder)
 547                   echo '   <TD WIDTH="25%"><B>'. _("To") .'</B>';
 548                else
 549                     echo '   <TD WIDTH="25%"><B>'. _("From") .'</B>';
 550                ShowSortButton($sort, $mailbox, 2, 3);
 551                echo "</TD>\n";
 552                break;
 553
 554             case 3: # date
 555                echo '   <TD NOWRAP WIDTH="5%"><B>'. _("Date") .'</B>';
 556                ShowSortButton($sort, $mailbox, 0, 1);
 557                echo "</TD>\n";
 558                break;
 559
 560             case 4: # subject
 561                echo '   <TD><B>'. _("Subject") .'</B> ';
 562                ShowSortButton($sort, $mailbox, 4, 5);
 563                echo "</TD>\n";
 564                break;
 565
 566             case 6: # size
 567                echo '   <TD WIDTH="5%"><b>' . _("Size")."</b></TD>\n";
 568                break;
 569          }
 570       }
 571       echo "</TR>\n";
 572    }
 573
 574    function ShowSortButton($sort, $mailbox, $Up, $Down) {
 575       if ($sort != $Up && $sort != $Down) {
 576          $img = 'sort_none.gif';
 577          $which = $Up;
 578       } elseif ($sort == $Up) {
 579          $img = 'up_pointer.gif';
 580          $which = $Down;
 581       } else {
 582          $img = 'down_pointer.gif';
 583          $which = 6;
 584       }
 585       echo ' <a href="right_main.php?newsort=' . $which .
 586          '&startMessage=1&mailbox=' . urlencode($mailbox) .
 587          '"><IMG SRC="../images/' . $img .
 588          '" BORDER=0 WIDTH=12 HEIGHT=10></a>';
 589    }
 590
 591    function ShowSelectAllLink($startMessage, $sort)
 592    {
 593        global $checkall, $PHP_SELF, $what, $where, $mailbox;
 594
 595        // This code is from Philippe Mingo <mingo@rotedic.com>
 596
 597        ?>
 598 <script language="JavaScript">
 599 <!--
 600 function CheckAll() {
 601   for (var i = 0; i < document.messageList.elements.length; i++) {
 602     if( document.messageList.elements[i].name.substr( 0, 3 ) == 'msg') {
 603       document.messageList.elements[i].checked =
 604         !(document.messageList.elements[i].checked);
 605     }
 606   }
 607 }
 608 window.document.write('<a href="#" onClick="CheckAll();"><?php echo
 609  _("Toggle All") ?></A>');
 610 //-->
 611 </script><noscript>
 612 <?PHP
 613
 614        echo "<a href=\"$PHP_SELF?mailbox=" . urlencode($mailbox) .
 615           "&startMessage=$startMessage&sort=$sort&checkall=";
 616        if (isset($checkall) && $checkall == '1')
 617            echo '0';
 618        else
 619            echo '1';
 620        if (isset($where) && isset($what))
 621            echo '&where=' . urlencode($where) . '&what=' . urlencode($what);
 622        echo "\">";
 623        if (isset($checkall) && $checkall == '1')
 624            echo _("Unselect All");
 625        else
 626            echo _("Select All");
 627
 628        echo "</A>\n</noscript>\n";
 629    }
 630
 631    function processSubject($subject)
 632    {
 633       // Shouldn't ever happen -- caught too many times in the IMAP functions
 634       if ($subject == '')
 635           return _("(no subject)");
 636
 637       if (strlen($subject) <= 55)
 638           return $subject;
 639
 640       $ent_strlen=strlen($subject);
 641       $trim_val=50;
 642       $ent_offset=0;
 643       // see if this is entities-encoded string
 644       // If so, Iterate through the whole string, find out
 645       // the real number of characters, and if more
 646       // than 55, substr with an updated trim value.
 647       while (($ent_loc = strpos($subject, '&', $ent_offset)) !== false &&
 648              ($ent_loc_end = strpos($subject, ';', $ent_loc)) !== false)
 649       {
 650          $trim_val += ($ent_loc_end-$ent_loc)+1;
 651          $ent_strlen -= $ent_loc_end-$ent_loc;
 652          $ent_offset = $ent_loc_end+1;
 653       }
 654
 655       if ($ent_strlen <= 55)
 656           return $subject;
 657
 658       return substr($subject, 0, $trim_val) . '...';
 659    }
 660
 661 ?>