diff --git a/webgui/box.php b/webgui/box.php
index 70aae00..962b870 100644
--- a/webgui/box.php
+++ b/webgui/box.php
@@ -122,9 +122,6 @@ foreach ($res as $row) {
     echo "</td>\n";
     echo "</tr>\n";
 }
-// Table summary
-$numrows = count($res);
-table_rec_summary($i, $numrows, $numrows, 5);
 echo "</table>\n";
 
 form_add_button('box.php');
@@ -187,6 +184,7 @@ echo '<table class="table">', "\n";
 echo '<tr><th style="width:20%">', _('Box type'),"</th><td>", ($opt_boxtype[$box->boxtype] ?? ''), "</td></tr>\n";
 echo '<tr><th>', _('Content'),"</th><td>", $box->content, "</td></tr>\n";
 echo '<tr><th>', _('Color'), '</th><td>', format_color($box->color), "</td></tr>\n";
+echo '<tr><th>', _('Dimensions'), '</th><td>', format_measurement(3, 'mm', $box->wx, $box->wy, $box->wz), "</td></tr>\n";
 # TODO also show sum of content weights for comparison
 echo '<tr><th>', _('Weight'), '</th><td>', format_float($box->weight, 2, 'kg'), "</td></tr>\n";
 echo '<tr><th>', _('Empty&nbsp;Weight'), '</th><td>', format_float($box->weight_net, 2, 'kg'), "</td></tr>\n";
diff --git a/webgui/company.php b/webgui/company.php
index 855b5ae..6d3b9cc 100644
--- a/webgui/company.php
+++ b/webgui/company.php
@@ -299,10 +299,10 @@ echo "</table>\n";
 
 form_view_buttons($g_scriptname, $id);
 
-// show referenced equipment
-$sql = "SELECT eid, ename FROM equipment WHERE supplier=:id OR manufacturer=:id";
+// show referenced equipment for current vessel
+$sql = "SELECT eid, ename FROM equipment WHERE vid=:vid AND (supplier=:id OR manufacturer=:id)";
 $sth = $pdo->prepare($sql);
-$sth->execute([':id' => $id]);
+$sth->execute([':vid' => $user->vid, ':id' => $id]);
 if ($sth->rowCount() > 0) {
     echo '<p>', _('Referenced in equipment'), ":</p>\n";
     echo "<ul>\n";
diff --git a/webgui/documents.php b/webgui/documents.php
index 99d15ab..5cb2bbc 100644
--- a/webgui/documents.php
+++ b/webgui/documents.php
@@ -91,16 +91,18 @@ switch ($submit = form_get_action()) {
         }
 
         // for images check maximum size and scale down if needed
-        if (isset($_POST['noscale'])) {
-            $g_message->Add(_('Image has not been scaled down'));
-        } else {
-            // scale down if dimensions exceed limits
-            $img_maxx= $pdo->query("SELECT valint FROM settings WHERE userid=0 AND sno=20")->fetchColumn();
-            $img_maxy= $pdo->query("SELECT valint FROM settings WHERE userid=0 AND sno=21")->fetchColumn();
-            [$width, $height] = getimagesize($file_tmp);
-            $factor = min($img_maxx / $width, $img_maxy / $height);
-            if ($factor < 1) {
-                image_scale($file_tmp, $file_mimetype, $width, $height, $factor);
+        if (($file_mimetype == 'image/png') or ($file_mimetype == 'image/jpeg')) {
+            if (isset($_POST['noscale'])) {
+                $g_message->Add(_('Image has not been scaled down'));
+            } else {
+                // scale down if dimensions exceed limits
+                $img_maxx= $pdo->query("SELECT valint FROM settings WHERE userid=0 AND sno=20")->fetchColumn();
+                $img_maxy= $pdo->query("SELECT valint FROM settings WHERE userid=0 AND sno=21")->fetchColumn();
+                [$width, $height] = getimagesize($file_tmp);
+                $factor = min($img_maxx / $width, $img_maxy / $height);
+                if ($factor < 1) {
+                    image_scale($file_tmp, $file_mimetype, $width, $height, $factor);
+                }
             }
         }
 
@@ -590,9 +592,9 @@ foreach ($sth->fetchAll() as $row) {
 $eids = array();
 $sql = "SELECT drid, reftype, refid, ename AS target "
      . "FROM docref INNER JOIN equipment ON (docref.reftype='equipment' AND docref.refid=equipment.eid) "
-     . "WHERE docid=?";
+     . "WHERE docid=? AND vid=?";
 $sth = $pdo->prepare($sql);
-$sth->execute([$id]);
+$sth->execute([$id, $user->vid]);
 foreach ($sth->fetchAll() as $row) {
     $references[] = $row;
     $eids[] = $row['refid'];
diff --git a/webgui/globals.inc b/webgui/globals.inc
index 030653c..471fb3a 100644
--- a/webgui/globals.inc
+++ b/webgui/globals.inc
@@ -134,6 +134,15 @@ if ($g_db_scheme_version !== $g_db_scheme_required) {
 $sth = $pdo->query("SELECT valint FROM settings WHERE userid=0 AND sno=4");
 $g_currsym = $sth->fetchColumn();
 
+// allowed date formats
+$g_opt_datefmt = array(
+   'Y-m-d' => _('YYYY-MM-DD'),
+   'Y/m/d' => _('YYYY/MM/DD'),
+   'd.m.Y' => _('DD.MM.YYYY'),
+   'd/m/Y' => _('DD/MM/YYYY'),
+   'm-d-Y' => _('MM-DD-YYYY')
+);
+
 $user = User::GetInstance(); // There can be only one
 if ($g_scriptname != 'login.php') {
     $user->init_from_session();
diff --git a/webgui/lib/db.inc b/webgui/lib/db.inc
index 5e49a38..e4741ff 100644
--- a/webgui/lib/db.inc
+++ b/webgui/lib/db.inc
@@ -8,6 +8,20 @@
 
 */
 
+function db_get_setting($sno, $default=NULL) {
+    // TODO WIP
+    global $pdo;
+    $sql = "SELECT valint, valstr FROM settings WHERE userid=0 AND sno=?";
+    $sth = $pdo->prepare($sql);
+    try {
+        $sth->execute([$sno]);
+    } catch (Exception $e) {
+        return $default;
+    }
+    $row = $sth->fetchOne();
+    return $row;
+}
+
 function db_lock_acquire($table, $key, $userid) {
     global $pdo;
     $token = bin2hex(random_bytes(8));
diff --git a/webgui/lib/gpc.inc b/webgui/lib/gpc.inc
index 1fb6f51..0fa16d9 100644
--- a/webgui/lib/gpc.inc
+++ b/webgui/lib/gpc.inc
@@ -83,11 +83,44 @@ function gpc_get_bool(&$GPC, $varname, $default = FALSE) {
 }
 
 function gpc_get_date(&$GPC, $varname, $default = NULL) {
-    // TODO improve
-    if (!isset($GPC[$varname]) || $GPC[$varname] == '') {
+    global $g_opt_datefmt;
+    if (!isset($GPC[$varname]) || !is_scalar($GPC[$varname])) {
         return $default;
     }
-    return $GPC[$varname];
+    $value = trim((string)$GPC[$varname]);
+    if ($value === '') {
+        return $default;
+    }
+    foreach (array_keys($g_opt_datefmt) as $format) {
+        if (preg_match_all('/[Ymd]/', $format, $tokens) !== 3) {
+            continue;
+        }
+        $regex = preg_quote($format, '/');
+        $regex = str_replace('d', '(\d{2})', $regex);
+        $regex = str_replace('m', '(\d{2})', $regex);
+        $regex = str_replace('Y', '(\d{4})', $regex);
+        if (!preg_match('/^' . $regex . '$/', $value, $matches)) {
+            continue;
+        }
+        $year = $month = $day = NULL;
+        foreach ($tokens[0] as $i => $token) {
+            switch ($token) {
+                case 'Y':
+                    $year = (int)$matches[$i + 1];
+                    break;
+                case 'm':
+                    $month = (int)$matches[$i + 1];
+                    break;
+                case 'd':
+                    $day = (int)$matches[$i + 1];
+                    break;
+            }
+        }
+        if (checkdate($month, $day, $year)) {
+            return sprintf('%04d-%02d-%02d', $year, $month, $day);
+        }
+    }
+    return $default;
 }
 
 function gpc_get_datetime(&$GPC, $varname, $default = NULL) {
diff --git a/webgui/maintenance.php b/webgui/maintenance.php
index 11420e2..e743cbe 100644
--- a/webgui/maintenance.php
+++ b/webgui/maintenance.php
@@ -55,6 +55,8 @@ switch ($submit = form_get_action()) {
         $p[':activities'] = gpc_get_string($_POST, 'activities', 80);
         $p[':remarks'] = gpc_get_string($_POST, 'remarks', 150);
         $p[':series'] = gpc_get_int($_POST, 'series');
+        $p[':plan_date'] = gpc_get_date($_POST, 'plan_date');
+        $p[':completion_date'] = gpc_get_date($_POST, 'completion_date');
         $p[':maintstate'] = gpc_get_string($_POST, 'maintstate');
         db_exec_update('maintenance', $p, 'maintid');
         $action = ACT_VIEW;
@@ -247,7 +249,8 @@ elseif ($action == ACT_VIEW):
 echo '<h2>', _('View Maintenance'), "</h2>\n";
 
 // load maintenance record
-$sql = "SELECT m.activities, m.eid, m.remarks, m.series, m.maintstate, e.ename "
+$sql = "SELECT m.activities, m.eid, m.remarks, m.series, m.maintstate, e.ename, "
+     .     "m.plan_date, m.completion_date, m.interval_hours, m.last_hours "
      . "FROM maintenance AS m LEFT OUTER JOIN equipment AS e USING (eid) "
      . "WHERE m.maintid=?";
 $sth = $pdo->prepare($sql);
@@ -282,6 +285,10 @@ if (isset($maint->eid) and $maint->eid>0) {
 echo "</td></tr>\n";
 echo '<tr><th>', _('Remarks'),"</th><td>", h($maint->remarks), "</td></tr>\n";
 echo '<tr><th>', _('Series'),"</th><td>", $maint->series, "</td></tr>\n";
+echo '<tr><th>', _('Interval'),"</th><td>", $maint->interval_hours, " h</td></tr>\n";
+echo '<tr><th>', _('Last'),"</th><td>", $maint->last_hours, "</td></tr>\n";
+echo '<tr><th>', _('Plan date'),"</th><td>", format_date($maint->plan_date), "</td></tr>\n";
+echo '<tr><th>', _('Completion&nbsp;date'),"</th><td>", format_date($maint->completion_date), "</td></tr>\n";
 echo '<tr><th scope="row">', _('State'),"</th><td>", get_enum($maint->maintstate), "</td></tr>\n";
 echo "</table>\n";
 
@@ -293,7 +300,9 @@ echo '<h4>Documents for ', h($maint->ename), "</h4>\n";
 if (isset($docs)) {
     echo '<ul>', "\n";
     foreach ($docs as $d) {
-        echo '<li>', $d['title'] ?? $d['filename'], ' (', $d['docid'], ")</li>\n";
+        echo '<li>', $d['title'] ?? $d['filename'], ' (', $d['docid'], ')';
+        echo ' <a href="documents.php?f=view&id=', $d['docid'], '"><i class="bi-eye"></i></a>';
+        echo "</li>\n";
     }
     echo "</ul>\n";
 } else {
@@ -332,7 +341,7 @@ echo "</div>\n";
 elseif ($action == ACT_EDIT):
 // ========== VARIANT: edit single record =====================================
 
-$sql = "SELECT activities, eid, remarks, series, maintstate "
+$sql = "SELECT activities, eid, remarks, series, plan_date, completion_date, maintstate "
      . "FROM maintenance "
      . "WHERE maintid=?";
 $sth = $pdo->prepare($sql);
@@ -351,12 +360,28 @@ echo '<h2>', _('Edit Maintenance'), "</h2>\n";
 <?php form_create_select('eid', _('Equipment'), $opt_equipment, $maint->eid); ?>
 <div class="mb-3">
   <label for="remarks" class="form-label"><?=_('Remarks')?></label>
-  <textarea class="form-control" id="remarks" name="remarks" rows="3"><?=h($maint->remarks, br:true)?></textarea>
+  <textarea class="form-control" id="remarks" name="remarks" rows="3"><?=h($maint->remarks)?></textarea>
 </div>
 <div class="mb-3">
   <label for="series" class="form-label"><?=_('Series')?></label>
   <input type="text" class="form-control" id="series" name="series" maxlength="4" value="<?=$maint->series ?>">
 </div>
+<div class="mb-3">
+  <label for="interval_hours" class="form-label"><?=_('Interval hours')?></label>
+  <input type="number" class="form-control" id="interval_hours" name="interval_hours" inputmode="numeric" maxlength="6" value="<?=$maint->interval_hours ?>">
+</div>
+<div class="mb-3">
+  <label for="last_hours" class="form-label"><?=_('Last hours')?></label>
+  <input type="number" class="form-control" id="last_hours" name="last_hours" inputmode="numeric" maxlength="6" value="<?=$maint->last_hours ?>">
+</div>
+<div class="mb-3">
+  <label for="plan_date"><?=_('Plan date')?></label>
+  <input type="date" class="form-control" id="plan_date" name="plan_date" value="<?=$maint->plan_date ?>">
+</div>
+<div class="mb-3">
+  <label for="completion_date"><?=_('Completion date')?></label>
+  <input type="date" class="form-control" id="completion_date" name="completion_date" value="<?=$maint->completion_date ?>">
+</div>
 <?php
 form_create_select('maintstate', _('Status'), $opt_state, $maint->maintstate);
 
diff --git a/webgui/provisions.php b/webgui/provisions.php
index 52ce3ee..f2e258c 100644
--- a/webgui/provisions.php
+++ b/webgui/provisions.php
@@ -63,8 +63,8 @@ switch ($submit = form_get_action()) {
         $p[':weight_net'] = min(gpc_get_float($_POST, 'weight_net'), 999.99);
         $p[':unit'] = gpc_get_int($_POST, 'unit');
         $p[':calories'] = gpc_get_uint($_POST, 'calories');
-        $p[':storedate'] = gpc_get_string($_POST, 'storedate');
-        $p[':shelflife'] = gpc_get_string($_POST, 'shelflife');
+        $p[':storedate'] = gpc_get_date($_POST, 'storedate');
+        $p[':shelflife'] = gpc_get_date($_POST, 'shelflife');
         $p[':price'] = gpc_get_currency($_POST, 'price');
         $p[':sid'] = gpc_get_int($_POST, 'sid');
         if ($p[':sid'] <= 0) $p[':sid'] = NULL;
diff --git a/webgui/settings.php b/webgui/settings.php
index 9888539..7dd710c 100644
--- a/webgui/settings.php
+++ b/webgui/settings.php
@@ -86,13 +86,17 @@ if ($res = $sth->fetch(PDO::FETCH_NUM)) {
 }
 
 $curdate = new DateTime();
-$opt_datefmt = array(
+$opt_datefmt = array();
+foreach ($g_opt_datefmt as $format => $description) {
+    $opt_datefmt[$format] = $description . $curdate->format(' - ' . $format);
+}
+/* $opt_datefmt = array(
    'Y-m-d' => _('YYYY-MM-DD'). $curdate->format(' - Y-m-d'),
    'Y/m/d' => _('YYYY/MM/DD'). $curdate->format(' - Y/m/d'),
    'd.m.Y' => _('DD.MM.YYYY'). $curdate->format(' - d.m.Y'),
    'd/m/Y' => _('DD/MM/YYYY'). $curdate->format(' - d/m/Y'),
-   'm-d-Y' => _('MM/DD/YYYY'). $curdate->format(' - m-d-Y')
-);
+   'm-d-Y' => _('MM-DD-YYYY'). $curdate->format(' - m-d-Y')
+); */
 
 $rowspp = 10;
 $sql = "SELECT valint FROM settings WHERE userid=? AND sno=10";
diff --git a/webgui/task.php b/webgui/task.php
index ebda77b..b42d30e 100644
--- a/webgui/task.php
+++ b/webgui/task.php
@@ -177,7 +177,7 @@ try {
 }
 $numrows = $sth->fetchColumn();
 $page = gpc_get_int($_REQUEST, 'p', 1);
-$rows_pp = gpc_get_int($_REQUEST, 'n', $g_rows_pp);
+$rows_pp = gpc_get_int($_REQUEST, 'n', $user->rows_pp);
 $lastpage = ceil($numrows/$rows_pp);
 
 $sql = "SELECT t.taskid, t.vid, t.projid, t.taskname, t.priority, t.taskstate,"