diff --git a/admin/admin_settings.php b/admin/admin_settings.php
index 488edd3f..2cfe2a9c 100644
--- a/admin/admin_settings.php
+++ b/admin/admin_settings.php
@@ -1529,7 +1529,6 @@ if ( defined('HESK_DEMO') )
                 <?php
                 for ($i=1;$i<=20;$i++)
                 {
-                    //$this_field='custom' . $i;
                     $this_field = $hesk_settings['custom_fields']['custom'.$i];
 
                     $onload_locally = $this_field['use'] ? '' : ' disabled="disabled" ';
@@ -1547,6 +1546,8 @@ if ( defined('HESK_DEMO') )
                         <option value="date" '.($this_field['type'] == 'date' ? 'selected="selected"' : '').'>'.$hesklang['date_custom_field'].'</option>
                         <option value="multiselect" '.($this_field['type'] == 'multiselect' ? 'selected="selected"' : '').'>'.$hesklang['multiple_select_custom_field'].'</option>
                         <option value="email" '.($this_field['type'] == 'email' ? 'selected="selected"' : '').'>'.$hesklang['email_custom_field'].'</option>
+                        <option value="hidden" '.($this_field['type'] == 'hidden' ? 'selected="selected"' : '').'>'.$hesklang['hidden_custom_field'].'</option>
+                        <option value="readonly" '.($this_field['type'] == 'readonly' ? 'selected="selected"' : '').'>'.$hesklang['readonly_custom_field'].'</option>
                         </select>
                     </td>
                     <td><div class="checkbox"><label><input type="checkbox" name="s_custom'.$i.'_req" value="1" id="s_custom'.$i.'_req" '; if ($this_field['req']) {echo 'checked="checked"';} echo $onload_locally.' /> '.$hesklang['yes'].'</label></div></td>
diff --git a/admin/admin_settings_save.php b/admin/admin_settings_save.php
index 27c5e46f..fa78f714 100644
--- a/admin/admin_settings_save.php
+++ b/admin/admin_settings_save.php
@@ -490,7 +490,7 @@ for ($i=1;$i<=20;$i++)
             $set['custom_fields'][$this_field]['value'] = 'cc';
         }
 
-        if (!in_array($set['custom_fields'][$this_field]['type'],array('text','textarea','select','radio','checkbox','date','multiselect','email')))
+        if (!in_array($set['custom_fields'][$this_field]['type'],array('text','textarea','select','radio','checkbox','date','multiselect','email','hidden','readonly')))
         {
         	$set['custom_fields'][$this_field]['type'] = 'text';
         }
diff --git a/admin/options.php b/admin/options.php
index 9c4f155d..4fa05066 100644
--- a/admin/options.php
+++ b/admin/options.php
@@ -120,6 +120,44 @@ switch ($type)
         <p><input type="button" value="  '.$hesklang['ok'].'  " onclick="Javascript:hesk_saveOptions()" /></p>
         ';
     	break;
+    case 'hidden':
+        echo '
+        <script language="javascript">
+        function hesk_saveOptions()
+        {
+            window.opener.document.getElementById(\'s_'.$id.'_val\').value = document.getElementById(\'o1\').value;
+            window.close();
+        }
+        </script>
+        <p>'.$hesklang['hidden_custom_field_help'].'</p>
+		<table border="0">
+        <tr>
+        <td>'.$hesklang['value_colon'].'<td>
+        <td><input type="text" name="o1" id="o1" value="'.$query.'" size="30" /></td>
+        </tr>
+        </table>
+        <p><input type="button" value="  '.$hesklang['ok'].'  " onclick="Javascript:hesk_saveOptions()" /></p>
+        ';
+        break;
+    case 'readonly':
+        echo '
+        <script language="javascript">
+        function hesk_saveOptions()
+        {
+            window.opener.document.getElementById(\'s_'.$id.'_val\').value = document.getElementById(\'o1\').value;
+            window.close();
+        }
+        </script>
+        <p>'.$hesklang['readonly_custom_field_help'].'</p>
+		<table border="0">
+        <tr>
+        <td>'.$hesklang['value_colon'].'<td>
+        <td><input type="text" name="o1" id="o1" value="'.$query.'" size="30" /></td>
+        </tr>
+        </table>
+        <p><input type="button" value="  '.$hesklang['ok'].'  " onclick="Javascript:hesk_saveOptions()" /></p>
+        ';
+        break;
     case 'textarea':
     	if (strpos($query,'#') !== false)
         {
diff --git a/language/en/text.php b/language/en/text.php
index cc444a5e..f06ebf4f 100644
--- a/language/en/text.php
+++ b/language/en/text.php
@@ -31,6 +31,11 @@ $hesklang['screen_resolution'] = 'Screen Resolution';
 $hesklang['display_user_agent_information'] = 'Show user agent';
 $hesklang['display_user_agent_information_help'] = 'When enabled, staff will be able to view the operating system, browser,
     and screen resolution of the device used to create the ticket.';
+$hesklang['value_colon'] = 'Value:';
+$hesklang['hidden_custom_field'] = 'Hidden text field';
+$hesklang['hidden_custom_field_help'] = 'This input is the same as a text field; however this value cannot be changed and will not be visible to the user.';
+$hesklang['readonly_custom_field'] = 'Read-only text field';
+$hesklang['readonly_custom_field_help'] = 'This input is the same as a text field; however this value cannot be changed, but will be visible to the user.';
 
 // ADDED OR MODIFIED IN Mods for HESK 2.4.0
 $hesklang['sort_by_user_defined_order'] = 'Sort by user-defined order';