diff --git a/html/includes/authenticate.inc.php b/html/includes/authenticate.inc.php
index ae08a9664..598e36e6f 100644
--- a/html/includes/authenticate.inc.php
+++ b/html/includes/authenticate.inc.php
@@ -1,20 +1,20 @@
-<?php 
+<?php
 
-@ini_set("session.gc_maxlifetime","0"); 
+@ini_set("session.gc_maxlifetime","0");
 
 session_start();
 
 // Preflight checks
-if(!is_dir($config['rrd_dir']))
+if (!is_dir($config['rrd_dir']))
   echo("<div class='errorbox'>RRD Log Directory is missing ({$config['rrd_dir']}).  Graphing may fail.</div>");
 
-if(!is_dir($config['temp_dir']))
+if (!is_dir($config['temp_dir']))
   echo("<div class='errorbox'>Temp Directory is missing ({$config['tmp_dir']}).  Graphing may fail.</div>");
 
-if(!is_writable($config['temp_dir']))
+if (!is_writable($config['temp_dir']))
   echo("<div class='errorbox'>Temp Directory is not writable ({$config['tmp_dir']}).  Graphing may fail.</div>");
 
-if(isset($_GET['logout']) && $_SESSION['authenticated']) {
+if (isset($_GET['logout']) && $_SESSION['authenticated']) {
   mysql_query("INSERT INTO authlog (`user`,`address`,`result`) VALUES ('" . $_SESSION['username'] . "', '".$_SERVER["REMOTE_ADDR"]."', 'logged out')");
   unset($_SESSION);
   session_destroy();
@@ -24,13 +24,13 @@ if(isset($_GET['logout']) && $_SESSION['authenticated']) {
   $auth_message = "Logged Out";
 }
 
-if(isset($_GET['username']) && isset($_GET['password'])){
+if (isset($_GET['username']) && isset($_GET['password'])){
   $_SESSION['username'] = mres($_GET['username']);
   $_SESSION['password'] = mres($_GET['password']);
-} elseif(isset($_POST['username']) && isset($_POST['password'])){
+} elseif (isset($_POST['username']) && isset($_POST['password'])){
   $_SESSION['username'] = mres($_POST['username']);
   $_SESSION['password'] = mres($_POST['password']);
-} elseif(isset($_COOKIE['username']) && isset($_COOKIE['password'])){
+} elseif (isset($_COOKIE['username']) && isset($_COOKIE['password'])){
   $_SESSION['username'] = mres($_COOKIE['username']);
   $_SESSION['password'] = mres($_COOKIE['password']);
 }
@@ -58,25 +58,25 @@ if (isset($_SESSION['username']))
   {
     $_SESSION['userlevel'] = get_userlevel($_SESSION['username']);
     $_SESSION['user_id'] = get_userid($_SESSION['username']);
-    if(!$_SESSION['authenticated']) 
+    if (!$_SESSION['authenticated'])
     {
       $_SESSION['authenticated'] = true;
       mysql_query("INSERT INTO authlog (`user`,`address`,`result`) VALUES ('".$_SESSION['username']."', '".$_SERVER["REMOTE_ADDR"]."', 'logged in')");
       header("Location: ".$_SERVER['REQUEST_URI']);
     }
-    if(isset($_POST['remember'])) 
+    if (isset($_POST['remember']))
     {
       setcookie("username", $_SESSION['username'], time()+60*60*24*100, "/");
       setcookie("password", $_SESSION['password'], time()+60*60*24*100, "/");
     }
     $permissions = permissions_cache($_SESSION['user_id']);
 
-  } 
-  elseif (isset($_SESSION['username'])) 
-  { 
-    $auth_message = "Authentication Failed"; 
+  }
+  elseif (isset($_SESSION['username']))
+  {
+    $auth_message = "Authentication Failed";
     unset ($_SESSION['authenticated']);
     mysql_query("INSERT INTO authlog (`user`,`address`,`result`) VALUES ('".$_SESSION['username']."', '".$_SERVER["REMOTE_ADDR"]."', 'authentication failure')");
   }
-} 
+}
 ?>
diff --git a/html/includes/authentication/http-auth.inc.php b/html/includes/authentication/http-auth.inc.php
index 35c32c465..a66fa2b1a 100644
--- a/html/includes/authentication/http-auth.inc.php
+++ b/html/includes/authentication/http-auth.inc.php
@@ -4,14 +4,14 @@ function authenticate($username,$password)
 {
   global $config;
 
-  if(isset($_SERVER['REMOTE_USER']))
+  if (isset($_SERVER['REMOTE_USER']))
   {
     $_SESSION['username'] = mres($_SERVER['REMOTE_USER']);
 
     $sql = "SELECT username FROM `users` WHERE `username`='".$_SESSION['username'] . "'";;
     $query = mysql_query($sql);
     $row = @mysql_fetch_array($query);
-    if($row['username'] && $row['username'] == $_SESSION['username'])
+    if ($row['username'] && $row['username'] == $_SESSION['username'])
     {
       return 1;
     }
diff --git a/html/includes/authentication/mysql.inc.php b/html/includes/authentication/mysql.inc.php
index 9885c45fb..74ae3f307 100644
--- a/html/includes/authentication/mysql.inc.php
+++ b/html/includes/authentication/mysql.inc.php
@@ -6,7 +6,7 @@ function authenticate($username,$password)
   $sql = "SELECT username FROM `users` WHERE `username`='".$username."' AND `password`='".$encrypted."'";
   $query = mysql_query($sql);
   $row = @mysql_fetch_array($query);
-  if($row['username'] && $row['username'] == $username)
+  if ($row['username'] && $row['username'] == $username)
   {
     return 1;
   }
diff --git a/html/includes/functions.inc.php b/html/includes/functions.inc.php
index 12999f34c..94617298f 100644
--- a/html/includes/functions.inc.php
+++ b/html/includes/functions.inc.php
@@ -1,6 +1,6 @@
 <?php
 
-function generate_device_link($device, $text=0, $linksuffix="", $start=0, $end=0) 
+function generate_device_link($device, $text=0, $linksuffix="", $start=0, $end=0)
 {
   global $twoday; global $day; global $now; global $config;
 
@@ -16,39 +16,41 @@ function generate_device_link($device, $text=0, $linksuffix="", $start=0, $end=0
   elseif (isset($config['os'][$device['os_group']]['over']))
   {
     $graphs = $config['os'][$device['os_group']]['over'];
-  } 
+  }
   else
   {
-    $graphs = $config['os']['default']['over']; 
+    $graphs = $config['os']['default']['over'];
   }
 
   $url  = $config['base_url']."/device/" . $device['device_id'] . "/" . $linksuffix;
   $contents = "<div class=list-large>".$device['hostname'];
-  if($device['hardware']) { $contents .= " - ".$device['hardware']; }
+  if ($device['hardware']) { $contents .= " - ".$device['hardware']; }
   $contents .= "</div>";
 
   $contents .= "<div>";
-  if($device['os']) { $contents .= mres($config['os'][$device['os']]['text']); }
-  if($device['version']) { $contents .= " ".mres($device['version']); }
-  if($device['features']) { $contents .= " (".mres($device['features']).")"; }
-#  if($device['hardware']) { $contents .= " - ".$device['hardware']; }
+  if ($device['os']) { $contents .= mres($config['os'][$device['os']]['text']); }
+  if ($device['version']) { $contents .= " ".mres($device['version']); }
+  if ($device['features']) { $contents .= " (".mres($device['features']).")"; }
+#  if ($device['hardware']) { $contents .= " - ".$device['hardware']; }
   $contents .= "</div>";
 
-
 #  if (isset($device['location'])) { $contents .= "" . htmlentities($device['location'])."<br />"; }
   foreach ($graphs as $entry)
   {
     $graph     = $entry['graph'];
-    $graphhead = $entry['text']; 
+    $graphhead = $entry['text'];
     $contents .= '<div style="width: 708px">';
     $contents .= '<span style="margin-left: 5px; font-size: 12px; font-weight: bold;">'.$graphhead.'</span><br />';
     $contents .= '<img src="' . $config['base_url'] . "/graph.php?id=" . $device['device_id'] . "&amp;from=$start&amp;to=$end&amp;width=275&amp;height=100&amp;type=$graph&amp;legend=no" . '" style="margin: 2px;">';
     $contents .= '<img src="' . $config['base_url'] . "/graph.php?id=" . $device['device_id'] . "&amp;from=".$config['week']."&amp;to=$end&amp;width=275&amp;height=100&amp;type=$graph&amp;legend=no" . '" style="margin: 2px;">';
     $contents .= '</div>';
   }
+
   $text = htmlentities($text);
   $link = overlib_link($url, $text, $contents, $class);
-  if(device_permitted($device['device_id'])) {
+
+  if (device_permitted($device['device_id']))
+  {
     return $link;
   } else {
     return $device['hostname'];
@@ -58,16 +60,19 @@ function generate_device_link($device, $text=0, $linksuffix="", $start=0, $end=0
   return $link;
 }
 
-function overlib_link($url, $text, $contents, $class) {
+function overlib_link($url, $text, $contents, $class)
+{
   global $config;
+
   $contents = str_replace("\"", "\'", $contents);
   $output = "<a class='".$class."' href='".$url."'";
   $output .= " onmouseover=\"return overlib('".$contents."'".$config['overlib_defaults'].");\" onmouseout=\"return nd();\">";
   $output .= $text."</a>";
+
   return $output;
 }
 
-function generate_graph_popup($graph_array) 
+function generate_graph_popup($graph_array)
 {
   global $config;
   ## Take $graph_array and print day,week,month,year graps in overlib, hovered over graph
@@ -98,65 +103,73 @@ function print_graph_popup($graph_array)
 
 
 
-function permissions_cache($user_id) 
+function permissions_cache($user_id)
 {
   $permissions = array();
   $query = mysql_query("SELECT * FROM devices_perms WHERE user_id = '".$user_id."'");
-  while($device = mysql_fetch_assoc($query)) {
-    $permissions['device'][$device['device_id']] = 1;    
+  while ($device = mysql_fetch_assoc($query))
+  {
+    $permissions['device'][$device['device_id']] = 1;
   }
   $query = mysql_query("SELECT * FROM ports_perms WHERE user_id = '".$user_id."'");
-  while($port = mysql_fetch_assoc($query)) {
+  while ($port = mysql_fetch_assoc($query))
+  {
     $permissions['port'][$port['interface_id']] = 1;
   }
   $query = mysql_query("SELECT * FROM bill_perms WHERE user_id = '".$user_id."'");
-  while($bill = mysql_fetch_assoc($query)) {
+  while ($bill = mysql_fetch_assoc($query))
+  {
     $permissions['bill'][$bill['bill_id']] = 1;
   }
   return $permissions;
 }
 
-function bill_permitted($bill_id) 
+function bill_permitted($bill_id)
 {
   global $_SESSION; global $permissions;
+
   if ($_SESSION['userlevel'] >= "5") {
     $allowed = TRUE;
-  } elseif ( $permissions['bill'][$bill_id]) {
+  } elseif ($permissions['bill'][$bill_id]) {
     $allowed = TRUE;
   } else {
     $allowed = FALSE;
   }
-  return $allowed;
 
+  return $allowed;
 }
+
 function port_permitted($interface_id, $device_id = NULL)
 {
   global $_SESSION; global $permissions;
-  if(!is_numeric($device_id)) { $device_id = get_device_id_by_interface_id($interface_id); }
 
-  if ($_SESSION['userlevel'] >= "5") {
+  if (!is_numeric($device_id)) { $device_id = get_device_id_by_interface_id($interface_id); }
+
+  if ($_SESSION['userlevel'] >= "5")
+  {
     $allowed = TRUE;
-  } elseif ( device_permitted($device_id)) {
+  } elseif (device_permitted($device_id)) {
     $allowed = TRUE;
-  } elseif ( $permissions['port'][$interface_id]) {
+  } elseif ($permissions['port'][$interface_id]) {
     $allowed = TRUE;
   } else {
     $allowed = FALSE;
   }
+
   return $allowed;
 }
 
 function application_permitted($app_id, $device_id = NULL)
 {
   global $_SESSION; global $permissions;
-  if(is_numeric($app_id)) 
+  if (is_numeric($app_id))
   {
-    if(!$device_id) { $device_id = device_by_id_cache ($app_id); }
+    if (!$device_id) { $device_id = device_by_id_cache ($app_id); }
     if ($_SESSION['userlevel'] >= "5") {
       $allowed = TRUE;
-    } elseif ( device_permitted($device_id)) {
+    } elseif (device_permitted($device_id)) {
       $allowed = TRUE;
-    } elseif ( $permissions['application'][$app_id]) {
+    } elseif ($permissions['application'][$app_id]) {
       $allowed = TRUE;
     } else {
       $allowed = FALSE;
@@ -167,33 +180,34 @@ function application_permitted($app_id, $device_id = NULL)
   return $allowed;
 }
 
-
 function device_permitted($device_id)
 {
   global $_SESSION; global $permissions;
-  if ($_SESSION['userlevel'] >= "5") {
+
+  if ($_SESSION['userlevel'] >= "5")
+  {
     $allowed = true;
-  } elseif ( $permissions['device'][$device_id] ) {
+  } elseif ($permissions['device'][$device_id] ) {
     $allowed = true;
   } else {
     $allowed = false;
   }
-  return $allowed;
 
+  return $allowed;
 }
 
-
-function print_graph_tag ($args) 
+function print_graph_tag ($args)
 {
   echo(generate_graph_tag ($args));
 }
 
-function generate_graph_tag ($args) 
+function generate_graph_tag ($args)
 {
   global $config;
+
   $sep = "?";
   $url = $config['base_url'] . "/graph.php";
-  foreach ($args as $key => $arg) 
+  foreach ($args as $key => $arg)
   {
     $url .= $sep.$key."=".$arg;
     $sep="&";
@@ -202,7 +216,7 @@ function generate_graph_tag ($args)
 }
 
 
-function print_percentage_bar ($width, $height, $percent, $left_text, $left_colour, $left_background, $right_text, $right_colour, $right_background) 
+function print_percentage_bar ($width, $height, $percent, $left_text, $left_colour, $left_background, $right_text, $right_colour, $right_background)
 {
   $output = '
 <div style="font-size:11px;">
@@ -219,15 +233,15 @@ function generate_port_link($args, $text = NULL, $type = NULL)
 {
   global $twoday; global $now; global $config; global $day; global $month;
   $args = ifNameDescr($args);
-  if(!$text) { $text = fixIfName($args['label']); }
-  if($type) { $args['graph_type'] = $type; }
-  if(!$args['graph_type']) { $args['graph_type'] = 'port_bits'; }
-  
+  if (!$text) { $text = fixIfName($args['label']); }
+  if ($type) { $args['graph_type'] = $type; }
+  if (!$args['graph_type']) { $args['graph_type'] = 'port_bits'; }
+
   $class = ifclass($args['ifOperStatus'], $args['ifAdminStatus']);
-  if(!isset($args['hostname'])) { $args = array_merge($args, device_by_id_cache($args['device_id'])); }
+  if (!isset($args['hostname'])) { $args = array_merge($args, device_by_id_cache($args['device_id'])); }
 
   $content = "<div class=list-large>".$args['hostname']." - " . fixifName($args['label']) . "</div>";
-  if($args['ifAlias']) { $content .= $args['ifAlias']."<br />"; }
+  if ($args['ifAlias']) { $content .= $args['ifAlias']."<br />"; }
   $content .= "<div style=\'width: 850px\'>";
   $graph_array['type']     = $args['graph_type'];
   $graph_array['legend']   = "yes";
@@ -244,26 +258,24 @@ function generate_port_link($args, $text = NULL, $type = NULL)
   $graph_array['from']     = $config['year'];
   $content .= generate_graph_tag($graph_array);
   $content .= "</div>";
-  
+
   $url = $config['base_url']."/device/".$args['device_id']."/interface/" . $args['interface_id'] . "/";
 
-  if(port_permitted($args['interface_id'])) {
+  if (port_permitted($args['interface_id'])) {
     return overlib_link($url, $text, $content, $class);
   } else {
     return fixifName($text);
   }
-
 }
 
-function generate_port_thumbnail($args) 
+function generate_port_thumbnail($args)
 {
-    if(!$args['bg']) { $args['bg'] = "FFFFF"; }
+    if (!$args['bg']) { $args['bg'] = "FFFFF"; }
     $args['content'] = "<img src='graph.php?type=".$args['graph_type']."&id=".$args['interface_id']."&from=".$args['from']."&to=".$args['to']."&width=".$args['width']."&height=".$args['height']."&legend=no&bg=".$args['bg']."'>";
-    $output = generate_port_link($args, $args['content']);
-    echo($output);
+    echo generate_port_link($args, $args['content']);
 }
 
-function print_optionbar_start ($height = 20, $width = 0, $marginbottom = 5) 
+function print_optionbar_start ($height = 20, $width = 0, $marginbottom = 5)
 {
   echo("
     <div style='text-align: center; margin-top: 0px; margin-bottom: ".$marginbottom."px; " . ($width ? 'max-width: ' . $width . (strstr($width,'%') ? '' : 'px') . '; ' : '') . "'>
@@ -278,20 +290,20 @@ function print_optionbar_start ($height = 20, $width = 0, $marginbottom = 5)
 }
 
 
-function print_optionbar_end () 
+function print_optionbar_end()
 {
-  echo("  </div>
+  echo('  </div>
     </div>
-    <b class='rounded'>
-    <b class='rounded5'></b>
-    <b class='rounded4'></b>
-    <b class='rounded3'></b>
-    <b class='rounded2'><b></b></b>
-    <b class='rounded1'><b></b></b></b>
-  </div>");
+    <b class="rounded">
+    <b class="rounded5"></b>
+    <b class="rounded4"></b>
+    <b class="rounded3"></b>
+    <b class="rounded2"><b></b></b>
+    <b class="rounded1"><b></b></b></b>
+  </div>');
 }
 
-function geteventicon ($message) 
+function geteventicon($message)
 {
   if ($message == "Device status changed to Down") { $icon = "server_connect.png"; }
   if ($message == "Device status changed to Up") { $icon = "server_go.png"; }
@@ -302,17 +314,18 @@ function geteventicon ($message)
   if (isset($icon)) { return $icon; } else { return false; }
 }
 
-function overlibprint($text) {
-	return "onmouseover=\"return overlib('" . $text . "');\" onmouseout=\"return nd();\"";
+function overlibprint($text)
+{
+  return "onmouseover=\"return overlib('" . $text . "');\" onmouseout=\"return nd();\"";
 }
 
-function humanmedia($media) 
+function humanmedia($media)
 {
   array_preg_replace($rewrite_iftype, $media);	
   return $media;
 }
 
-function humanspeed($speed) 
+function humanspeed($speed)
 {
   $speed = formatRates($speed);
   if ($speed == "") { $speed = "-"; }
@@ -329,16 +342,17 @@ function print_message($text)
   echo('<table class="messagebox" cellpadding="3"><tr><td><img src="/images/16/tick.png" align="absmiddle"> '.$text.'</td></tr></table>');
 }
 
-function devclass($device) 
+function devclass($device)
 {
-   if (isset($device['status']) && $device['status'] == '0') { $class = "list-device-down"; } else { $class = "list-device"; }
-   if (isset($device['ignore']) && $device['ignore'] == '1') {
+  if (isset($device['status']) && $device['status'] == '0') { $class = "list-device-down"; } else { $class = "list-device"; }
+  if (isset($device['ignore']) && $device['ignore'] == '1')
+  {
      $class = "list-device-ignored";
      if (isset($device['status']) && $device['status'] == '1') { $class = "list-device-ignored-up"; }
-   }
-   if (isset($device['disabled']) && $device['disabled'] == '1') { $class = "list-device-disabled"; }
+  }
+  if (isset($device['disabled']) && $device['disabled'] == '1') { $class = "list-device-disabled"; }
+
   return $class;
 }
 
-
-?>
+?>
\ No newline at end of file
diff --git a/html/includes/hostbox.inc.php b/html/includes/hostbox.inc.php
index 46fcc6ae4..4c33fbbaa 100644
--- a/html/includes/hostbox.inc.php
+++ b/html/includes/hostbox.inc.php
@@ -1,6 +1,6 @@
 <?php
 
-   if($bg == $list_colour_b) { $bg = $list_colour_a; } else { $bg = $list_colour_b; }
+   if ($bg == $list_colour_b) { $bg = $list_colour_a; } else { $bg = $list_colour_b; }
    if ($device['status'] == '0') { $class = "list-device-down"; $bg_image = "images/warning-background.png"; } else { $class = "list-device"; unset ($bg_image); }
    if ($device['ignore'] == '1') {
      $class = "list-device-ignored";
@@ -12,21 +12,21 @@
 
    $image = getImage($device['device_id']);
    if ($device['os'] == "ios") { formatCiscoHardware($device, true); }
-   $device['os_text'] = $config['os'][$device['os']]['text']; 
+   $device['os_text'] = $config['os'][$device['os']]['text'];
 
    $port_count = mysql_result(mysql_query("SELECT COUNT(*) FROM `ports` WHERE `device_id` = '".$device['device_id']."'"),0);
    $sensor_count = mysql_result(mysql_query("SELECT COUNT(*) FROM `sensors` WHERE `device_id` = '".$device['device_id']."'"),0);
 
-   echo('  <tr background="'.$bg_image.'" bgcolor="' . $bg . '" onmouseover="this.style.backgroundColor=\'#fdd\';" onmouseout="this.style.backgroundColor=\'' . $bg . '\';" 
+   echo('  <tr background="'.$bg_image.'" bgcolor="' . $bg . '" onmouseover="this.style.backgroundColor=\'#fdd\';" onmouseout="this.style.backgroundColor=\'' . $bg . '\';"
              onclick="location.href=\'/device/'.$device['device_id'].'/\'" style="cursor: pointer;">
              <td width="40" align="center" valign="middle">' . $image . '</td>
              <td width="300"><span style="font-weight: bold; font-size: 14px;">' . generate_device_link($device) . '</span>
              <br />' . $device['sysName'] . '</td>
 	     <td width=55>');
 
-    if($port_count) { echo(' <img src="images/icons/port.png" align=absmiddle> '.$port_count); }
+    if ($port_count) { echo(' <img src="images/icons/port.png" align=absmiddle> '.$port_count); }
     echo('<br />');
-    if($sensor_count) { echo(' <img src="images/icons/sensors.png" align=absmiddle> '.$sensor_count); }
+    if ($sensor_count) { echo(' <img src="images/icons/sensors.png" align=absmiddle> '.$sensor_count); }
 
 
     echo('   </td>
diff --git a/html/includes/javascript-interfacepicker.inc.php b/html/includes/javascript-interfacepicker.inc.php
index 835f438bd..010e2b170 100644
--- a/html/includes/javascript-interfacepicker.inc.php
+++ b/html/includes/javascript-interfacepicker.inc.php
@@ -1,14 +1,13 @@
 <script type="text/javascript" src="<?php echo($config['base_url']); ?>/js/tw-sack.js"></script>
 <script type="text/javascript">
 
-
 var ajax = new Array();
 
 function getInterfaceList(sel)
 {
         var deviceId = sel.options[sel.selectedIndex].value;
         document.getElementById('interface_id').options.length = 0;     // Empty city select box
-        if(deviceId.length>0){
+        if (deviceId.length>0){
                 var index = ajax.length;
                 ajax[index] = new sack();
 
diff --git a/html/includes/port-edit.inc.php b/html/includes/port-edit.inc.php
index dc54512c3..543328842 100644
--- a/html/includes/port-edit.inc.php
+++ b/html/includes/port-edit.inc.php
@@ -1,49 +1,58 @@
 <?php
 
 # enable/disable ports/interfaces on devices.
-#
 
-$device_id=intval($_POST['device']);
+$device_id = intval($_POST['device']);
 $rows_updated = 0;
 
-foreach ($_POST as $key => $val) {
-	if (strncmp($key,"oldval_",7) == 0) {
+foreach ($_POST as $key => $val)
+{
+  if (strncmp($key,"oldval_",7) == 0)
+  {
+    # Interface identifier passed as part of the field name
 
-		# Interface identifier passed as part of the field name
-		#
-		$interface_id = intval(substr($key,7));
+    $interface_id = intval(substr($key,7));
 
-		$oldval = intval($val) ? 1 : 0;
-		$newval = $_POST['ignore_'.$interface_id] ? 1 : 0;
+    $oldval = intval($val) ? 1 : 0;
+    $newval = $_POST['ignore_'.$interface_id] ? 1 : 0;
 
-		# As checkboxes are not posted when unset - we effectively need to do a diff to work
-		# out a set->unset case.
-		#
-		if ($oldval == $newval)
-			continue;
-		
-		if (!mysql_query('UPDATE `ports` SET `ignore`='.$newval.' WHERE `device_id`='.$device_id.' AND `interface_id`='.$interface_id))
-			$n = -1;
-		else
-  			$n = mysql_affected_rows();
+    # As checkboxes are not posted when unset - we effectively need to do a diff to work
+    # out a set->unset case.
 
-		if ($n <0) {
-			$rows_updated = -1;
-			break;
-		};
-		$rows_updated += $n;
-	};
-};
+    if ($oldval == $newval)
+    {
+      continue;
+    }
+    
+    if (!mysql_query('UPDATE `ports` SET `ignore`='.$newval.' WHERE `device_id`='.$device_id.' AND `interface_id`='.$interface_id))
+    {
+      $n = -1;
+    }
+    else
+    {
+      $n = mysql_affected_rows();
+    }
 
-  if($rows_updated > 0) {
-    $update_message =  $rows_updated . " Device record updated.";
-    $updated = 1;
-  } elseif ($rows_updated = '-1') {
-    $update_message = "Device record unchanged. No update necessary.";
-    $updated = -1;
-  } else {
-    $update_message = "Device record update error.";
-    $updated = 0;
+    if ($n <0)
+    {
+      $rows_updated = -1;
+      break;
+    }
+    
+    $rows_updated += $n;
   }
+}
 
-?>
+if ($rows_updated > 0)
+{
+  $update_message =  $rows_updated . " Device record updated.";
+  $updated = 1;
+} elseif ($rows_updated = '-1') {
+  $update_message = "Device record unchanged. No update necessary.";
+  $updated = -1;
+} else {
+  $update_message = "Device record update error.";
+  $updated = 0;
+}
+
+?>
\ No newline at end of file
diff --git a/html/includes/print-device-graph.php b/html/includes/print-device-graph.php
index 30bdc8826..cdccc4174 100644
--- a/html/includes/print-device-graph.php
+++ b/html/includes/print-device-graph.php
@@ -1,15 +1,17 @@
 <?php
 
-
 $graph_array['type'] = $graph_type;
 $graph_array['id']   = $device['device_id'];
 
 $g_i++;
-if(!is_integer($g_i/2)) { $row_colour = $list_colour_a; } else { $row_colour = $list_colour_b; }
+if (!is_integer($g_i/2)) { $row_colour = $list_colour_a; } else { $row_colour = $list_colour_b; }
+
 echo('<div style="background-color: '.$row_colour.';">');
 echo('<div style="padding:4px 0px 0px 8px;" class=graphhead>'.$graph_title.'</div>');
+
 include("includes/print-quadgraphs.inc.php");
-echo("</div>");
+
+echo('</div>');
 
 ?>
 
diff --git a/html/includes/print-interface-adsl.inc.php b/html/includes/print-interface-adsl.inc.php
index 09e0f6b73..3f6eb74a5 100644
--- a/html/includes/print-interface-adsl.inc.php
+++ b/html/includes/print-interface-adsl.inc.php
@@ -4,8 +4,8 @@
 #print_r($interface);
 #echo("</pre>");
 
-#  This file prints a table row for each interface 
- 
+#  This file prints a table row for each interface
+
   $interface['device_id'] = $device['device_id'];
   $interface['hostname'] = $device['hostname'];
 
@@ -13,11 +13,11 @@
 
   $interface = ifLabel($interface);
 
-  if(!is_integer($i/2)) { $row_colour = $list_colour_a; } else { $row_colour = $list_colour_b; }
+  if (!is_integer($i/2)) { $row_colour = $list_colour_a; } else { $row_colour = $list_colour_b; }
 
 
-  if($interface['ifInErrors_delta'] > 0 || $interface['ifOutErrors_delta'] > 0) { 
-    $error_img = generate_port_link($interface,"<img src='images/16/chart_curve_error.png' alt='Interface Errors' border=0>","port_errors"); 
+  if ($interface['ifInErrors_delta'] > 0 || $interface['ifOutErrors_delta'] > 0) {
+    $error_img = generate_port_link($interface,"<img src='images/16/chart_curve_error.png' alt='Interface Errors' border=0>","port_errors");
   } else { $error_img = ""; }
 
   echo("<tr style=\"background-color: $row_colour; padding: 5px;\" valign=top onmouseover=\"this.style.backgroundColor='$list_highlight';\" onmouseout=\"this.style.backgroundColor='$row_colour';\"
@@ -29,17 +29,17 @@
              </span><br /><span class=interface-desc>".$interface['ifAlias']."</span>");
 
 
-  if($interface['ifAlias']) { echo("<br />"); }
+  if ($interface['ifAlias']) { echo("<br />"); }
 
   unset ($break);
-  if($port_details) {
+  if ($port_details) {
     $ipdata = mysql_query("SELECT * FROM `ipv4_addresses` WHERE `interface_id` = '" . $interface['interface_id'] . "'");
-    while($ip = mysql_fetch_Array($ipdata)) {
+    while ($ip = mysql_fetch_Array($ipdata)) {
       echo("$break <a class=interface-desc href=\"javascript:popUp('/netcmd.php?cmd=whois&query=$ip[ipv4_address]')\">$ip[ipv4_address]/$ip[ipv4_prefixlen]</a>");
       $break = ",";
     }
     $ip6data = mysql_query("SELECT * FROM `ipv6_addresses` WHERE `interface_id` = '" . $interface['interface_id'] . "'");
-    while($ip6 = mysql_fetch_Array($ip6data)) {
+    while ($ip6 = mysql_fetch_Array($ip6data)) {
       echo("$break <a class=interface-desc href=\"javascript:popUp('/netcmd.php?cmd=whois&query=".$ip6['ipv6_address']."')\">".Net_IPv6::compress($ip6['ipv6_address'])."/".$ip6['ipv6_prefixlen']."</a>");
       $break = ",";
     }
@@ -70,7 +70,7 @@
   $interface['graph_type'] = "port_adsl_attainable";
   echo(generate_port_link($interface, "<img src='graph.php?type=".$interface['graph_type']."&id=".$interface['interface_id']."&from=".$from."&to=".$now."&width=".$width."&height=".$height."&legend=no&bg=".
   str_replace("#","", $row_colour)."'>", $interface['graph_type']));
-  
+
   echo("</td><td width=135>");
   echo("".$interface['adslAturCurrAtn'] . "dB/". $interface['adslAtucCurrAtn'] . "dB");
   echo("<br />");
@@ -93,7 +93,7 @@
   str_replace("#","", $row_colour)."'>", $interface['graph_type']));
 
 
-#  if($interface[ifDuplex] != unknown) { echo("<span class=box-desc>Duplex " . $interface['ifDuplex'] . "</span>"); } else { echo("-"); }
+#  if ($interface[ifDuplex] != unknown) { echo("<span class=box-desc>Duplex " . $interface['ifDuplex'] . "</span>"); } else { echo("-"); }
 
 
 #    echo("</td><td width=150>");
@@ -111,15 +111,15 @@
 
 echo("</td>");
 
-    if($graph_type == "etherlike")
-    { 
-      $graph_file = $config['rrd_dir'] . "/" . $device['hostname'] . "/etherlike-". safename($interface['ifIndex']) . ".rrd"; 
+    if ($graph_type == "etherlike")
+    {
+      $graph_file = $config['rrd_dir'] . "/" . $device['hostname'] . "/etherlike-". safename($interface['ifIndex']) . ".rrd";
     } else {
-      $graph_file = $config['rrd_dir'] . "/" . $device['hostname'] . "/". safename($interface['ifIndex']) . ".rrd";  
+      $graph_file = $config['rrd_dir'] . "/" . $device['hostname'] . "/". safename($interface['ifIndex']) . ".rrd";
     }
 
-     if($graph_type && is_file($graph_file)) {
- 
+     if ($graph_type && is_file($graph_file)) {
+
           $type = $graph_type;
 
           $daily_traffic = "graph.php?port=$if_id&type=" . $graph_type . "&from=$from&to=$now&width=210&height=100";
@@ -136,7 +136,7 @@ echo("</td>");
 
   echo("<tr style='background-color: $bg; padding: 5px;'><td colspan=7>");
 
-  echo("<a href='device/" . $interface['device_id'] . "/interface/" . $interface['interface_id'] . "' onmouseover=\"return overlib('<img src=\'$daily_url\'>', LEFT".$config['overlib_defaults'].");\" 
+  echo("<a href='device/" . $interface['device_id'] . "/interface/" . $interface['interface_id'] . "' onmouseover=\"return overlib('<img src=\'$daily_url\'>', LEFT".$config['overlib_defaults'].");\"
         onmouseout=\"return nd();\"> <img src='$daily_traffic' border=0></a>");
   echo("<a href='device/" . $interface['device_id'] . "/interface/" . $interface['interface_id'] . "' onmouseover=\"return overlib('<img src=\'$weekly_url\'>', LEFT".$config['overlib_defaults'].");\"
         onmouseout=\"return nd();\"> <img src='$weekly_traffic' border=0></a>");
diff --git a/html/includes/print-interface-graphs.inc.php b/html/includes/print-interface-graphs.inc.php
index 0b16dd1a1..1482f3340 100644
--- a/html/includes/print-interface-graphs.inc.php
+++ b/html/includes/print-interface-graphs.inc.php
@@ -1,16 +1,13 @@
 <?php
 
-  global $config;
+global $config;
 
-  #if(!$graph_type) { $graph_type = $_GET['type']; }
-  #if(!$device) { $device['device_id'] = getifhost($interface['interface_id']); }
+$graph_array['height'] = "100";
+$graph_array['width']  = "215";
+$graph_array['to']     = $now;
+$graph_array['id']     = $interface['interface_id'];
+$graph_array['type']   = $graph_type;
 
-  $graph_array['height'] = "100";
-  $graph_array['width']  = "215";
-  $graph_array['to']     = $now;
-  $graph_array['id']     = $interface['interface_id'];
-  $graph_array['type']   = $graph_type;
+include("includes/print-quadgraphs.inc.php");
 
-  include("includes/print-quadgraphs.inc.php");
-
-?>
+?>
\ No newline at end of file
diff --git a/html/includes/print-menubar.php b/html/includes/print-menubar.php
index d2621e9db..8303df7a6 100644
--- a/html/includes/print-menubar.php
+++ b/html/includes/print-menubar.php
@@ -11,11 +11,11 @@ if (isset($config['enable_bgp']) && $config['enable_bgp'])
 }
 
   $query_a = mysql_query("SELECT * FROM `devices`");
-  while($device = mysql_fetch_array($query_a)) {
+  while ($device = mysql_fetch_array($query_a)) {
     $this_alert = 0;
     if ($device['status'] == 0 && $device['ignore'] == '0') { $this_alert = "1"; } elseif ($device['ignore'] == '0') {
       if (mysql_result(mysql_query("SELECT count(service_id) FROM services WHERE service_status = '0' AND device_id = '".$device['device_id']."'"),0)) { $this_alert = "1"; }
-      if (mysql_result(mysql_query("SELECT count(*) FROM ports WHERE `ifOperStatus` = 'down' AND `ifAdminStatus` = 'up' AND device_id = '" . $device['device_id'] . "' AND `ignore` = '0'"),0)) { $this_alert = "1";}
+      if (mysql_result(mysql_query("SELECT count(*) FROM ports WHERE `ifOperStatus` = 'down' AND `ifAdminStatus` = 'up' AND device_id = '" . $device['device_id'] . "' AND `ignore` = '0'"),0)) { $this_alert = "1"; }
     }
     if ($this_alert) {
      $device_alerts++;
@@ -151,11 +151,11 @@ if ($ports['ignored'])
   echo('<li><a href="ports/ignored/"><img src="images/16/chart_curve_link.png" border="0" align="absmiddle" /> Ignored ('.$ports['ignored'].')</a></li>');
 }
 
-if ($config['enable_billing']) { echo('<li><a href="bills/"><img src="images/16/money_pound.png" border="0" align="absmiddle" /> Traffic Bills</a></li>'); $ifbreak = 1;}
+if ($config['enable_billing']) { echo('<li><a href="bills/"><img src="images/16/money_pound.png" border="0" align="absmiddle" /> Traffic Bills</a></li>'); $ifbreak = 1; }
 
-if ($config['enable_pseudowires']) { echo('<li><a href="pseudowires/"><img src="images/16/arrow_switch.png" border="0" align="absmiddle" /> Pseudowires</a></li>'); $ifbreak = 1;}
+if ($config['enable_pseudowires']) { echo('<li><a href="pseudowires/"><img src="images/16/arrow_switch.png" border="0" align="absmiddle" /> Pseudowires</a></li>'); $ifbreak = 1; }
 
-if ($config['enable_pseudowires']) { echo('<li><a href="vrfs/"><img src="images/16/layers.png" border="0" align="absmiddle" /> VRFs</a></li>'); $ifbreak = 1;}
+if ($config['enable_pseudowires']) { echo('<li><a href="vrfs/"><img src="images/16/layers.png" border="0" align="absmiddle" /> VRFs</a></li>'); $ifbreak = 1; }
 
 ?>
 <li><a href="ipv4/"><img src="images/16/email_link.png" border="0" align="absmiddle" /> IPv4 Search</a></li>
@@ -166,12 +166,12 @@ if ($config['enable_pseudowires']) { echo('<li><a href="vrfs/"><img src="images/
 if ($_SESSION['userlevel'] >= '5')
 {
   echo('<li><hr width="140" /></li>');
-  if ($config['int_customers']) { echo('<li><a href="customers/"><img src="images/16/group_link.png" border="0" align="absmiddle" /> Customers</a></li>'); $ifbreak = 1;}
+  if ($config['int_customers']) { echo('<li><a href="customers/"><img src="images/16/group_link.png" border="0" align="absmiddle" /> Customers</a></li>'); $ifbreak = 1; }
   if ($config['int_l2tp']) { echo('<li><a href="iftype/l2tp/"><img src="images/16/user.png" border="0" align="absmiddle" /> L2TP</a></li>'); $ifbreak = 1; }
   if ($config['int_transit']) { echo('<li><a href="iftype/transit/"><img src="images/16/lorry_link.png" border="0" align="absmiddle" /> Transit</a></li>');  $ifbreak = 1; }
   if ($config['int_peering']) { echo('<li><a href="iftype/peering/"><img src="images/16/bug_link.png" border="0" align="absmiddle" /> Peering</a></li>'); $ifbreak = 1; }
   if ($config['int_peering'] && $config['int_transit']) { echo('<li><a href="iftype/peering,transit/"><img src="images/16/world_link.png" border="0" align="absmiddle" /> Peering + Transit</a></li>'); $ifbreak = 1; }
-  if ($config['int_core']) { echo('<li><a href="iftype/core/"><img src="images/16/brick_link.png" border="0" align="absmiddle" /> Core</a></li>'); $ifbreak = 1;}
+  if ($config['int_core']) { echo('<li><a href="iftype/core/"><img src="images/16/brick_link.png" border="0" align="absmiddle" /> Core</a></li>'); $ifbreak = 1; }
 }
 
 if ($ifbreak) { echo('<li><hr width="140" /></li>'); }
@@ -184,9 +184,9 @@ if (isset($interface_alerts))
 $sql = "SELECT * FROM `ports` AS P, `devices` as D WHERE P.`deleted` = '1' AND D.device_id = P.device_id";
 $query = mysql_query($sql);
 $deleted_ports = 0;
-while($interface = mysql_fetch_assoc($query))
+while ($interface = mysql_fetch_assoc($query))
 {
-  if(port_permitted($interface['interface_id'], $interface['device_id']))
+  if (port_permitted($interface['interface_id'], $interface['device_id']))
   {
     $deleted_ports++;
   }
@@ -197,7 +197,7 @@ while($interface = mysql_fetch_assoc($query))
 <li><a href="ports/admindown/"><img src="images/16/if-disable.png" border="0" align="absmiddle" /> Disabled</a></li>
 <?php
 
-if($deleted_ports) { echo('<li><a href="ports/deleted/"><img src="images/16/cross.png" border="0" align="absmiddle" /> Deleted ('.$deleted_ports.')</a></li>'); }
+if ($deleted_ports) { echo('<li><a href="ports/deleted/"><img src="images/16/cross.png" border="0" align="absmiddle" /> Deleted ('.$deleted_ports.')</a></li>'); }
 
 ?>
 </ul></td></tr></table>
diff --git a/html/includes/print-syslog.inc b/html/includes/print-syslog.inc
index 7a05933c0..0c78ee8d0 100644
--- a/html/includes/print-syslog.inc
+++ b/html/includes/print-syslog.inc
@@ -1,12 +1,9 @@
-
 <?php
 
-
-if(device_permitted($entry['device_id'])) {
-
-
-$syslog_iter++;
-if(!is_integer($syslog_iter/2)) { $bg_colour = $list_colour_a; } else { $bg_colour = $list_colour_b; }
+if (device_permitted($entry['device_id']))
+{
+  $syslog_iter++;
+  if (!is_integer($syslog_iter/2)) { $bg_colour = $list_colour_a; } else { $bg_colour = $list_colour_b; }
 
   echo("<tr style=\"background-color: $bg_colour\">
     <td width=0></td>");
@@ -15,8 +12,9 @@ if(!is_integer($syslog_iter/2)) { $bg_colour = $list_colour_a; } else { $bg_colo
 
   $entry['hostname'] = shorthost($entry['hostname'], 20);
 
-  if($_GET['page'] != "device") { 
-    echo("<td width=160><strong>".generate_device_link($entry)."</strong></td>"); 
+  if ($_GET['page'] != "device")
+  {
+    echo("<td width=160><strong>".generate_device_link($entry)."</strong></td>");
   }
 
   echo("  <td class=syslog>
@@ -28,4 +26,4 @@ if(!is_integer($syslog_iter/2)) { $bg_colour = $list_colour_a; } else { $bg_colo
 
 }
 
-?>
+?>
\ No newline at end of file
diff --git a/html/includes/print-vlan.inc.php b/html/includes/print-vlan.inc.php
index 33d5b8251..34c9678a3 100644
--- a/html/includes/print-vlan.inc.php
+++ b/html/includes/print-vlan.inc.php
@@ -9,14 +9,14 @@ echo("<td width=200 class=box-desc>" . $vlan['vlan_descr'] . "</td>");
 
 echo("<td class=list-bold>");
 $ports_query = mysql_query("SELECT * FROM ports WHERE `device_id` = '" . $device['device_id'] . "' AND `ifVlan` = '" . $vlan['vlan_vlan'] . "' ");
-while($port = mysql_fetch_array($ports_query))
+while ($port = mysql_fetch_array($ports_query))
 {
   if ($_GET['opta'])
   {
     $graph_type = $_GET['opta'];
 
     echo("<div style='display: block; padding: 2px; margin: 2px; min-width: 139px; max-width:139px; min-height:85px; max-height:85px; text-align: center; float: left; background-color: ".$list_colour_b_b.";'>
-    <div style='font-weight: bold;'>".makeshortif ($port['ifDescr'])."</div>
+    <div style='font-weight: bold;'>".makeshortif($port['ifDescr'])."</div>
     <a href='device/".$device['device_id']."/interface/".$port['interface_id']."/' onmouseover=\"return overlib('\
     <div style=\'font-size: 16px; padding:5px; font-weight: bold; color: #e5e5e5;\'>".$device['hostname']." - ".$port['ifDescr']."</div>\
     ".$port['ifAlias']." \
@@ -29,7 +29,7 @@ while($port = mysql_fetch_array($ports_query))
   }
   else
   {
-    echo($vlan['port_sep'] . generate_port_link($port, makeshortif ($port['ifDescr'])));
+    echo($vlan['port_sep'] . generate_port_link($port, makeshortif($port['ifDescr'])));
     $vlan['port_sep'] = ", ";
   }
 }
diff --git a/html/includes/print-vrf.inc b/html/includes/print-vrf.inc
index 7f8352ab6..6d8e8f6c0 100644
--- a/html/includes/print-vrf.inc
+++ b/html/includes/print-vrf.inc
@@ -1,6 +1,6 @@
 <?php
 
-if(is_integer($i/2)) { $bg_colour = $list_colour_a; } else { $bg_colour = $list_colour_b; }
+if (is_integer($i/2)) { $bg_colour = $list_colour_a; } else { $bg_colour = $list_colour_b; }
 
 echo("<tr bgcolor='$bg_colour'>");
 
@@ -11,8 +11,8 @@ echo("<td width=100 class=box-desc>" . $vrf['mplsVpnVrfRouteDistinguisher'] . "<
 
 echo("<td class=list-bold>");
 $ports_query = mysql_query("SELECT * FROM ports WHERE `device_id` = '" . $device['device_id'] . "' AND `ifVrf` = '" . $vrf['vrf_id'] . "' ");
-while($port = mysql_fetch_array($ports_query)) {
-  if($_GET['opta']) {
+while ($port = mysql_fetch_array($ports_query)) {
+  if ($_GET['opta']) {
    $graph_type = "port_" . $_GET['opta'];
    echo("<div style='display: block; padding: 2px; margin: 2px; min-width: 139px; max-width:139px; min-height:85px; max-height:85px; text-align: center; float: left; background-color: #e9e9e9;'>
     <div style='font-weight: bold;'>".makeshortif($port['ifDescr'])."</div>
diff --git a/html/includes/topnav.inc b/html/includes/topnav.inc
index 2a234157e..c173c20c5 100644
--- a/html/includes/topnav.inc
+++ b/html/includes/topnav.inc
@@ -40,13 +40,12 @@ else
   $services['disabled']   = mysql_result(mysql_query("SELECT count(service_id) FROM services AS S, devices AS D, devices_perms AS P WHERE P.user_id = '" . $_SESSION['user_id'] . "' AND P.device_id = D.device_id AND S.device_id = D.device_id AND service_ignore = '1'"),0);
 }
 
-if($devices['down']) { $devices['bgcolour'] = "#ffcccc"; } else { $devices['bgcolour'] = "transparent"; }
-if($ports['down']) { $ports['bgcolour'] = "#ffcccc"; } else { $ports['bgcolour'] = "#e5e5e5"; }
-if($services['down']) { $services['bgcolour'] = "#ffcccc"; } else { $services['bgcolour'] = "transparent"; }
+if ($devices['down'])  { $devices['bgcolour'] = "#ffcccc"; } else { $devices['bgcolour'] = "transparent"; }
+if ($ports['down'])    { $ports['bgcolour'] = "#ffcccc"; } else { $ports['bgcolour'] = "#e5e5e5"; }
+if ($services['down']) { $services['bgcolour'] = "#ffcccc"; } else { $services['bgcolour'] = "transparent"; }
 
 ?>
 
-
 <table cellpadding="2" cellspacing="0" border="0">
   <tr style="background-color: <?php echo($devices[bgcolour]); ?>">
     <td width="5"></td>