Replace all instances of gettext's _ with _kt

git-svn-id: https://kt-dms.svn.sourceforge.net/svnroot/kt-dms/trunk@5137 c91229c3-7414-0410-bfa2-8a42b809f60b

Replace all instances of gettext's _ with _kt
git-svn-id: https://kt-dms.svn.sourceforge.net/svnroot/kt-dms/trunk@5137 c91229c3-7414-0410-bfa2-8a42b809f60b
nbm
1 parent 4c496647
Showing 44 changed files with 823 additions and 823 deletions
plugins/ktcore/KTCorePlugin.php
plugins/ktcore/KTDocumentActions.php
plugins/ktcore/KTFolderActions.php
plugins/ktcore/KTPermissions.php
plugins/ktcore/KTPortlets.php
plugins/ktcore/admin/archivedDocuments.php
plugins/ktcore/admin/conditions.php
plugins/ktcore/admin/deletedDocuments.php
plugins/ktcore/admin/documentCheckout.php
plugins/ktcore/admin/documentFields.php
plugins/ktcore/admin/documentLinks.php
plugins/ktcore/admin/documentTypes.php
plugins/ktcore/admin/groupManagement.php
plugins/ktcore/admin/manageConditionals.php
plugins/ktcore/admin/manageHelp.php
plugins/ktcore/admin/managePermissions.php
plugins/ktcore/admin/plugins.php
plugins/ktcore/admin/roleManagement.php
plugins/ktcore/admin/savedSearch.php
plugins/ktcore/admin/techsupport.php
@@ -65,7 +65,7 @@ class KTCorePlugin extends KTPlugin {
         $this->registerDashlet('KTCheckoutDashlet', 'ktcore.dashlet.checkout', 'KTDashlets.php');
         $this->registerDashlet('KTIndexerStatusDashlet', 'ktcore.dashlet.indexer_status', 'KTDashlets.php');
-        $this->registerAdminPage('authentication', 'KTAuthenticationAdminPage', 'principals', _('Authentication'), _('By default, KnowledgeTree controls its own users and groups and stores all information about them inside the database. In many situations, an organisation will already have a list of users and groups, and needs to use that existing information to allow access to the DMS.   These <strong>Authentication Sources</strong> allow the system administrator to  specify additional sources of authentication data.'), 'authentication/authenticationadminpage.inc.php');
+        $this->registerAdminPage('authentication', 'KTAuthenticationAdminPage', 'principals', _kt('Authentication'), _('By default, KnowledgeTree controls its own users and groups and stores all information about them inside the database. In many situations, an organisation will already have a list of users and groups, and needs to use that existing information to allow access to the DMS.   These <strong>Authentication Sources</strong> allow the system administrator to  specify additional sources of authentication data.'), 'authentication/authenticationadminpage.inc.php');
         $this->registeri18n('knowledgeTree', KT_DIR . '/i18n');
@@ -88,83 +88,83 @@ class KTCorePlugin extends KTPlugin {
     function setupAdmin() {
         // set up the categories.
-        $this->registerAdminCategory("principals", _("Users and Groups"),
-            _("Control which users can log in, and are part of which groups and organisational units, from these management panels."));
-        $this->registerAdminCategory("security", _("Security Management"),
-            _("Assign permissions to users and groups, and specify which permissions are required to interact with various parts of the Document Management System."));
-        //$this->registerAdminCategory("plugins", _("Plugin Management"),
-        //    _("Control which plugins are loaded, register new plugins and configure individual plugins."));
-        $this->registerAdminCategory("storage", _("Document Storage"),
-            _("Manage checked-out, archived and deleted documents."));
-        $this->registerAdminCategory("documents", _("Document Metadata and Workflow Configuration"),
-            _("Configure the document metadata: Document Types, Document Fieldsets, Link Types and Workflows."));
-        $this->registerAdminCategory("misc", _("Miscellaneous"),
-            _("Various settings which do not fit into the other categories, including managing help and saved searches."));
+        $this->registerAdminCategory("principals", _kt("Users and Groups"),
+            _kt("Control which users can log in, and are part of which groups and organisational units, from these management panels."));
+        $this->registerAdminCategory("security", _kt("Security Management"),
+            _kt("Assign permissions to users and groups, and specify which permissions are required to interact with various parts of the Document Management System."));
+        //$this->registerAdminCategory("plugins", _kt("Plugin Management"),
+        //    _kt("Control which plugins are loaded, register new plugins and configure individual plugins."));
+        $this->registerAdminCategory("storage", _kt("Document Storage"),
+            _kt("Manage checked-out, archived and deleted documents."));
+        $this->registerAdminCategory("documents", _kt("Document Metadata and Workflow Configuration"),
+            _kt("Configure the document metadata: Document Types, Document Fieldsets, Link Types and Workflows."));
+        $this->registerAdminCategory("misc", _kt("Miscellaneous"),
+            _kt("Various settings which do not fit into the other categories, including managing help and saved searches."));
         // users and groups
         $this->registerAdminPage("users", 'KTUserAdminDispatcher', "principals",
-            _("Manage Users"), _("Add or remove users from the system."),
+            _kt("Manage Users"), _("Add or remove users from the system."),
             'admin/userManagement.php', null);
         $this->registerAdminPage("groups", 'KTGroupAdminDispatcher', "principals",
-            _("Manage Groups"), _("Add or remove groups from the system."),
+            _kt("Manage Groups"), _("Add or remove groups from the system."),
             'admin/groupManagement.php', null);
         $this->registerAdminPage("units", 'KTUnitAdminDispatcher', "principals",
-            _("Control Units"), _("Specify which organisational units are available within the repository."),
+            _kt("Control Units"), _("Specify which organisational units are available within the repository."),
             'admin/unitManagement.php', null);
         // security
         $this->registerAdminPage("permissions", 'ManagePermissionsDispatcher', "security",
-            _("Permissions"), _("Create or delete permissions."), 'admin/managePermissions.php', null);
+            _kt("Permissions"), _("Create or delete permissions."), 'admin/managePermissions.php', null);
         $this->registerAdminPage("roles", 'RoleAdminDispatcher', "security",
-            _("Roles"), _("Create or delete roles"),
+            _kt("Roles"), _("Create or delete roles"),
             'admin/roleManagement.php', null);
         $this->registerAdminPage("conditions", 'KTConditionDispatcher', "security",
-            _("Dynamic Conditions"),
-            _("Manage criteria which determine whether a user is permitted to perform a system action."),
+            _kt("Dynamic Conditions"),
+            _kt("Manage criteria which determine whether a user is permitted to perform a system action."),
             'admin/conditions.php', null);
         // documents
         $this->registerAdminPage("typemanagement", 'KTDocumentTypeDispatcher', 'documents',
-            _('Document Types'),
-            _('Manage the different classes of document which can be added to the system.'),
+            _kt('Document Types'),
+            _kt('Manage the different classes of document which can be added to the system.'),
             'admin/documentTypes.php', null);
         $this->registerAdminPage("fieldmanagement", 'KTDocumentFieldDispatcher', 'documents',
-             _('Document Fieldsets'),
-            _('Manage the different types of information that can be associated with classes of documents.'),
+             _kt('Document Fieldsets'),
+            _kt('Manage the different types of information that can be associated with classes of documents.'),
             'admin/documentFields.php', null);
         $this->registerAdminPage("linkmanagement", 'KTDocLinkAdminDispatcher', 'documents',
-            _('Link Type Management'),
-            _('Manage the different ways documents can be associated with one another.'),
+            _kt('Link Type Management'),
+            _kt('Manage the different ways documents can be associated with one another.'),
             'admin/documentLinks.php', null);
         $this->registerAdminPage("workflows", 'KTWorkflowDispatcher', 'documents',
-            _('Workflows'), _('Configure the process documents go through.'),
+            _kt('Workflows'), _('Configure the process documents go through.'),
             'admin/workflows.php', null);
         // storage
         $this->registerAdminPage("checkout", 'KTCheckoutAdminDispatcher', 'storage',
-            _('Checked Out Document Control'),
-            _('Override the checked-out status of documents if a user has failed to do so.'),
+            _kt('Checked Out Document Control'),
+            _kt('Override the checked-out status of documents if a user has failed to do so.'),
             'admin/documentCheckout.php', null);
         $this->registerAdminPage("archived", 'ArchivedDocumentsDispatcher', 'storage',
-            _('Archived Document Restoration'), _("Restore old (archived) documents, usually at a user's request."),
+            _kt('Archived Document Restoration'), _("Restore old (archived) documents, usually at a user's request."),
             'admin/archivedDocuments.php', null);
         $this->registerAdminPage("expunge", 'DeletedDocumentsDispatcher', 'storage',
-            _('Restore or Expunge Deleted Documents'), _('Restore previously deleted documents, or permanently expunge them.'),
+            _kt('Restore or Expunge Deleted Documents'), _('Restore previously deleted documents, or permanently expunge them.'),
             'admin/deletedDocuments.php', null);
         // misc
         $this->registerAdminPage("helpmanagement", 'ManageHelpDispatcher', 'misc',
-            _('Edit Help files'), _('Change the help files that are displayed to users.'),
+            _kt('Edit Help files'), _('Change the help files that are displayed to users.'),
             'admin/manageHelp.php', null);
         $this->registerAdminPage("savedsearch", 'KTSavedSearchDispatcher', 'misc',
-            _('Saved searches'),
-            _('Manage saved searches - searches available by default to all users.'),
+            _kt('Saved searches'),
+            _kt('Manage saved searches - searches available by default to all users.'),
             'admin/savedSearch.php', null);
         $this->registerAdminPage("plugins", 'KTPluginDispatcher', 'misc',
-            _('Manage plugins'), _('Register new plugins, disable plugins, and so forth'),
+            _kt('Manage plugins'), _('Register new plugins, disable plugins, and so forth'),
             'admin/plugins.php', null);
         $this->registerAdminPage("techsupport", 'KTSupportDispatcher', 'misc',
-            _('Support and System information'), _('Information about this system and how to get support.'),
+            _kt('Support and System information'), _('Information about this system and how to get support.'),
             'admin/techsupport.php', null);
         // plugins
@@ -42,12 +42,12 @@ class KTDocumentDetailsAction extends KTDocumentAction {
     var $sName = 'ktcore.actions.document.displaydetails';
     function do_main() {
-        redirect(generateControllerLink('viewDocument',sprintf(_('fDocumentId=%d'),$this->oDocument->getId())));
+        redirect(generateControllerLink('viewDocument',sprintf(_kt('fDocumentId=%d'),$this->oDocument->getId())));
         exit(0);
     }
     function getDisplayName() {
-        return _('Display Details');
+        return _kt('Display Details');
     }
 }
 // }}}
@@ -57,11 +57,11 @@ class KTDocumentViewAction extends KTDocumentAction {
     var $sName = 'ktcore.actions.document.view';
     function getDisplayName() {
-        return _('Download');
+        return _kt('Download');
     }
     function customiseInfo($aInfo) {
-        $aInfo['alert'] =  _("This will download a copy of the document and is not the same as Checking Out a document.  Changes to this downloaded file will not be managed in the DMS.");
+        $aInfo['alert'] =  _kt("This will download a copy of the document and is not the same as Checking Out a document.  Changes to this downloaded file will not be managed in the DMS.");
         return $aInfo;
     }
@@ -90,7 +90,7 @@ class KTDocumentCheckOutAction extends KTDocumentAction {
     var $_sShowPermission = "ktcore.permissions.write";
     function getDisplayName() {
-        return _('Checkout');
+        return _kt('Checkout');
     }
     function getInfo() {
@@ -112,7 +112,7 @@ class KTDocumentCheckOutAction extends KTDocumentAction {
         // "normal".
         if ($this->oDocument->getIsCheckedOut()) {
-            $_SESSION['KTErrorMessage'][] = _("This document is already checked out");
+            $_SESSION['KTErrorMessage'][] = _kt("This document is already checked out");
             controllerRedirect('viewDocument', 'fDocumentId=' .  $this->oDocument->getId());
             exit(0);
         }
@@ -123,7 +123,7 @@ class KTDocumentCheckOutAction extends KTDocumentAction {
         $this->oPage->setBreadcrumbDetails("checkout");
         $oTemplate =& $this->oValidator->validateTemplate('ktcore/action/checkout');
         $checkout_fields = array();
-        $checkout_fields[] = new KTStringWidget(_('Reason'), _('The reason for the checkout of this document for historical purposes, and to inform those who wish to check out this document.'), 'reason', "", $this->oPage, true);
+        $checkout_fields[] = new KTStringWidget(_kt('Reason'), _('The reason for the checkout of this document for historical purposes, and to inform those who wish to check out this document.'), 'reason', "", $this->oPage, true);
         $oTemplate->setData(array(
             'context' => &$this,
@@ -144,7 +144,7 @@ class KTDocumentCheckOutAction extends KTDocumentAction {
         $this->startTransaction();
         $res = KTDocumentUtil::checkout($this->oDocument, $sReason, $this->oUser);
         if (PEAR::isError($res)) {
-            return $this->errorRedirectToMain(sprintf(_('Failed to check out the document: %s'), $res->getMessage()));
+            return $this->errorRedirectToMain(sprintf(_kt('Failed to check out the document: %s'), $res->getMessage()));
         }
         $this->commitTransaction();
@@ -174,7 +174,7 @@ class KTDocumentCheckInAction extends KTDocumentAction {
     var $_sShowPermission = "ktcore.permissions.write";
     function getDisplayName() {
-        return _('Checkin');
+        return _kt('Checkin');
     }
     function getInfo() {
@@ -194,12 +194,12 @@ class KTDocumentCheckInAction extends KTDocumentAction {
             return $res;
         }
         if (!$this->oDocument->getIsCheckedOut()) {
-            $_SESSION['KTErrorMessage'][] = _("This document is not checked out");
+            $_SESSION['KTErrorMessage'][] = _kt("This document is not checked out");
             controllerRedirect('viewDocument', 'fDocumentId=' .  $this->oDocument->getId());
             exit(0);
         }
         if ($this->oDocument->getCheckedOutUserID() != $this->oUser->getId()) {
-            $_SESSION['KTErrorMessage'][] = _("This document is checked out, but not by you");
+            $_SESSION['KTErrorMessage'][] = _kt("This document is checked out, but not by you");
             controllerRedirect('viewDocument', 'fDocumentId=' .  $this->oDocument->getId());
             exit(0);
         }
@@ -212,8 +212,8 @@ class KTDocumentCheckInAction extends KTDocumentAction {
         $sReason = KTUtil::arrayGet($_REQUEST, 'reason', "");
         $checkin_fields = array();
-        $checkin_fields[] = new KTFileUploadWidget(_('File'), _('The updated document.'), 'file', "", $this->oPage, true);
-        $checkin_fields[] = new KTStringWidget(_('Description'), _('Describe the changes made to the document.'), 'reason', $sReason, $this->oPage, true);
+        $checkin_fields[] = new KTFileUploadWidget(_kt('File'), _('The updated document.'), 'file', "", $this->oPage, true);
+        $checkin_fields[] = new KTStringWidget(_kt('Description'), _('Describe the changes made to the document.'), 'reason', $sReason, $this->oPage, true);
         $oTemplate->setData(array(
             'context' => &$this,
@@ -228,19 +228,19 @@ class KTDocumentCheckInAction extends KTDocumentAction {
         // make sure the user actually selected a file first
         if (strlen($_FILES['file']['name']) == 0) {
-            $this->errorRedirectToMain(_("No file was uploaded"), 'fDocumentId=' . $this->oDocument->getId() . '&reason=' . $sReason);
+            $this->errorRedirectToMain(_kt("No file was uploaded"), 'fDocumentId=' . $this->oDocument->getId() . '&reason=' . $sReason);
         }
         // and that the filename matches
         global $default;
         $default->log->info("checkInDocumentBL.php uploaded filename=" . $_FILES['file']['name'] . "; current filename=" . $this->oDocument->getFileName());
         if ($this->oDocument->getFileName() != $_FILES['file']['name']) {
-            $this->errorRedirectToMain(_("The file name of the uploaded file does not match the file name of the document in the system"), 'fDocumentId=' . $this->oDocument->getId() . '&reason=' . $sReason);
+            $this->errorRedirectToMain(_kt("The file name of the uploaded file does not match the file name of the document in the system"), 'fDocumentId=' . $this->oDocument->getId() . '&reason=' . $sReason);
         }
         $res = KTDocumentUtil::checkin($this->oDocument, $_FILES['file']['tmp_name'], $sReason, $this->oUser);
         if (PEAR::isError($res)) {
-            $this->errorRedirectToMain(_("An error occurred while trying to check in the document"), 'fDocumentId=' . $this->oDocument->getId() . '&reason=' . $sReason);
+            $this->errorRedirectToMain(_kt("An error occurred while trying to check in the document"), 'fDocumentId=' . $this->oDocument->getId() . '&reason=' . $sReason);
         }
         redirect("$default->rootUrl/control.php?action=viewDocument&fDocumentID=" . $this->oDocument->getID());
     }
@@ -255,7 +255,7 @@ class KTDocumentCancelCheckOutAction extends KTDocumentAction {
     var $_sShowPermission = "ktcore.permissions.write";
     function getDisplayName() {
-        return _('Cancel Checkout');
+        return _kt('Cancel Checkout');
     }
     function getInfo() {
@@ -275,12 +275,12 @@ class KTDocumentCancelCheckOutAction extends KTDocumentAction {
             return $res;
         }
         if (!$this->oDocument->getIsCheckedOut()) {
-            $_SESSION['KTErrorMessage'][] = _("This document is not checked out");
+            $_SESSION['KTErrorMessage'][] = _kt("This document is not checked out");
             controllerRedirect('viewDocument', 'fDocumentId=' .  $this->oDocument->getId());
             exit(0);
         }
         if ($this->oDocument->getCheckedOutUserID() != $this->oUser->getId()) {
-            $_SESSION['KTErrorMessage'][] = _("This document is checked out, but not by you");
+            $_SESSION['KTErrorMessage'][] = _kt("This document is checked out, but not by you");
             controllerRedirect('viewDocument', 'fDocumentId=' .  $this->oDocument->getId());
             exit(0);
         }
@@ -293,7 +293,7 @@ class KTDocumentCancelCheckOutAction extends KTDocumentAction {
         $sReason = KTUtil::arrayGet($_REQUEST, 'reason', "");
         $checkin_fields = array();
-        $checkin_fields[] = new KTStringWidget(_('Reason'), _('Give a reason for cancelling this checkout.'), 'reason', $sReason, $this->oPage, true);
+        $checkin_fields[] = new KTStringWidget(_kt('Reason'), _('Give a reason for cancelling this checkout.'), 'reason', $sReason, $this->oPage, true);
         $oTemplate->setData(array(
             'context' => &$this,
@@ -315,7 +315,7 @@ class KTDocumentCancelCheckOutAction extends KTDocumentAction {
         $this->oDocument->setCheckedOutUserID(-1);
         if (!$this->oDocument->update()) {
             $this->rollbackTransaction();
-            return $this->errorRedirectToMain(_("Failed to force the document's checkin."),sprintf('fDocumentId=%d'),$this->oDocument->getId());
+            return $this->errorRedirectToMain(_kt("Failed to force the document's checkin."),sprintf('fDocumentId=%d'),$this->oDocument->getId());
         }
         // checkout cancelled transaction
@@ -323,7 +323,7 @@ class KTDocumentCancelCheckOutAction extends KTDocumentAction {
         $res = $oDocumentTransaction->create();
         if (PEAR::isError($res) || ($res == false)) {
             $this->rollbackTransaction();
-            return $this->errorRedirectToMain(_("Failed to force the document's checkin."),sprintf('fDocumentId=%d'),$this->oDocument->getId());
+            return $this->errorRedirectToMain(_kt("Failed to force the document's checkin."),sprintf('fDocumentId=%d'),$this->oDocument->getId());
         }
         $this->commitTransaction(); // FIXME do we want to do this if we can't created the document-transaction?
         redirect("$default->rootUrl/control.php?action=viewDocument&fDocumentID=" . $this->oDocument->getID());
@@ -346,7 +346,7 @@ class KTDocumentEditAction extends KTDocumentAction {
     }
     function getDisplayName() {
-        return _('Edit metadata');
+        return _kt('Edit metadata');
     }
     function getURL() {
@@ -362,7 +362,7 @@ class KTDocumentDeleteAction extends KTDocumentAction {
     var $_sShowPermission = "ktcore.permissions.delete";
     function getDisplayName() {
-        return _('Delete');
+        return _kt('Delete');
     }
     function getInfo() {
@@ -378,7 +378,7 @@ class KTDocumentDeleteAction extends KTDocumentAction {
             return $res;
         }
         if ($this->oDocument->getIsCheckedOut()) {
-            $_SESSION["KTErrorMessage"][]= _("This document can't be deleted because it is checked out");
+            $_SESSION["KTErrorMessage"][]= _kt("This document can't be deleted because it is checked out");
             controllerRedirect('viewDocument', 'fDocumentId=' .  $this->oDocument->getId());
             exit(0);
         }
@@ -389,7 +389,7 @@ class KTDocumentDeleteAction extends KTDocumentAction {
         $this->oPage->setBreadcrumbDetails("delete");
         $oTemplate =& $this->oValidator->validateTemplate('ktcore/action/delete');
         $delete_fields = array();
-        $delete_fields[] = new KTStringWidget(_('Reason'), _('The reason for this document to be removed.'), 'reason', "", $this->oPage, true);
+        $delete_fields[] = new KTStringWidget(_kt('Reason'), _('The reason for this document to be removed.'), 'reason', "", $this->oPage, true);
         $oTemplate->setData(array(
             'context' => &$this,
@@ -410,7 +410,7 @@ class KTDocumentDeleteAction extends KTDocumentAction {
             $_SESSION['KTErrorMessage'][] = $res->getMessage();
             controllerRedirect('viewDocument',sprintf('fDocumentId=%d', $this->oDocument->getId()));
         } else {
-            $_SESSION['KTInfoMessage'][] = sprintf(_('Document "%s" Deleted.'),$this->oDocument->getName());
+            $_SESSION['KTInfoMessage'][] = sprintf(_kt('Document "%s" Deleted.'),$this->oDocument->getName());
         }
@@ -438,7 +438,7 @@ class KTDocumentMoveAction extends KTDocumentAction {
     var $_sShowPermission = "ktcore.permissions.write";
     function getDisplayName() {
-        return _('Move');
+        return _kt('Move');
     }
     function getInfo() {
@@ -454,7 +454,7 @@ class KTDocumentMoveAction extends KTDocumentAction {
             return $res;
         }
         if ($this->oDocument->getIsCheckedOut()) {
-            $_SESSION["KTErrorMessage"][]= _("This document can't be deleted because it is checked out");
+            $_SESSION["KTErrorMessage"][]= _kt("This document can't be deleted because it is checked out");
             controllerRedirect('viewDocument', 'fDocumentId=' .  $this->oDocument->getId());
             exit(0);
         }
@@ -465,13 +465,13 @@ class KTDocumentMoveAction extends KTDocumentAction {
     }
     function do_main() {
-        $this->oPage->setBreadcrumbDetails(_("move"));
+        $this->oPage->setBreadcrumbDetails(_kt("move"));
         $oTemplate =& $this->oValidator->validateTemplate('ktcore/action/move');
         $move_fields = array();
         $aNames = $this->oDocumentFolder->getPathArray();
         $aNames[] = $this->oDocument->getName();
         $sDocumentName = join(" &raquo; ", $aNames);
-        $move_fields[] = new KTStaticTextWidget(_('Document to move'), '', 'fDocumentId', $sDocumentName, $this->oPage, false);
+        $move_fields[] = new KTStaticTextWidget(_kt('Document to move'), '', 'fDocumentId', $sDocumentName, $this->oPage, false);
         $collection = new DocumentCollection();
         $collection->addColumn(new KTDocumentMoveColumn("Test 1 (title)","title", $this->oDocument));
@@ -518,16 +518,16 @@ class KTDocumentMoveAction extends KTDocumentAction {
     }
     function do_move() {
-        $this->oPage->setBreadcrumbDetails(_("move"));
+        $this->oPage->setBreadcrumbDetails(_kt("move"));
         $oTemplate =& $this->oValidator->validateTemplate('ktcore/action/move_final');
         $sFolderPath = join(" &raquo; ", $this->oFolder->getPathArray());
         $aNames = $this->oDocumentFolder->getPathArray();
         $aNames[] = $this->oDocument->getName();
         $sDocumentName = join(" &raquo; ", $aNames);
         $move_fields = array();
-        $move_fields[] = new KTStaticTextWidget(_('Document to move'), '', 'fDocumentId', $sDocumentName, $this->oPage, false);
-        $move_fields[] = new KTStaticTextWidget(_('Target folder'), '', 'fFolderId', $sFolderPath, $this->oPage, false);
-        $move_fields[] = new KTStringWidget(_('Reason'), _('The reason for this document to be moved.'), 'reason', "", $this->oPage, true);
+        $move_fields[] = new KTStaticTextWidget(_kt('Document to move'), '', 'fDocumentId', $sDocumentName, $this->oPage, false);
+        $move_fields[] = new KTStaticTextWidget(_kt('Target folder'), '', 'fFolderId', $sFolderPath, $this->oPage, false);
+        $move_fields[] = new KTStringWidget(_kt('Reason'), _('The reason for this document to be moved.'), 'reason', "", $this->oPage, true);
         $oTemplate->setData(array(
             'context' => &$this,
@@ -539,13 +539,13 @@ class KTDocumentMoveAction extends KTDocumentAction {
     function do_move_final() {
         $sReason = KTUtil::arrayGet($_REQUEST, 'reason');
         $aOptions = array(
-            'message' => _("No reason given"),
+            'message' => _kt("No reason given"),
             'redirect_to' => array('move', sprintf('fDocumentId=%d&fFolderId=%d', $this->oDocument->getId(), $this->oFolder->getId())),
         );
         $this->oValidator->notEmpty($sReason, $aOptions);
         if (!Permission::userHasFolderWritePermission($this->oFolder)) {
-            $this->errorRedirectTo("main", _("You do not have permission to move a document to this location"), sprintf("fDocumentId=%d&fFolderId=%d", $this->oDocument->getId(), $this->oFolder->getId()));
+            $this->errorRedirectTo("main", _kt("You do not have permission to move a document to this location"), sprintf("fDocumentId=%d&fFolderId=%d", $this->oDocument->getId(), $this->oFolder->getId()));
             exit(0);
         }
@@ -562,7 +562,7 @@ class KTDocumentMoveAction extends KTDocumentAction {
         //put the document in the new folder
         $this->oDocument->setFolderID($this->oFolder->getId());
         if (!$this->oDocument->update(true)) {
-            $this->errorRedirectTo("main", _("There was a problem updating the document's location in the database"), sprintf("fDocumentId=%d&fFolderId=%d", $this->oDocument->getId(), $this->oFolder->getId()));
+            $this->errorRedirectTo("main", _kt("There was a problem updating the document's location in the database"), sprintf("fDocumentId=%d&fFolderId=%d", $this->oDocument->getId(), $this->oFolder->getId()));
         }
@@ -571,7 +571,7 @@ class KTDocumentMoveAction extends KTDocumentAction {
         if (!$oStorage->moveDocument($this->oDocument, $this->oDocumentFolder, $this->oFolder)) {
             $this->oDocument->setFolderID($this->oDocumentFolder->getId());
             $this->oDocument->update(true);
-            $this->errorRedirectTo("move", _("There was a problem updating the document's location in the repository storage"), sprintf("fDocumentId=%d&fFolderId=%d", $this->oDocument->getId(), $this->oFolder->getId()));
+            $this->errorRedirectTo("move", _kt("There was a problem updating the document's location in the repository storage"), sprintf("fDocumentId=%d&fFolderId=%d", $this->oDocument->getId(), $this->oFolder->getId()));
         }
         $sMoveMessage = sprintf("Moved from %s/%s to %s/%s: %s",
@@ -630,7 +630,7 @@ class KTDocumentCopyAction extends KTDocumentAction {
     var $_sShowPermission = "ktcore.permissions.read";
     function getDisplayName() {
-        return _('Copy');
+        return _kt('Copy');
     }
     function getInfo() {
@@ -649,7 +649,7 @@ class KTDocumentCopyAction extends KTDocumentAction {
             return $res;
         }
         if ($this->oDocument->getIsCheckedOut()) {
-            $_SESSION["KTErrorMessage"][]= _("This document can't be copied because it is checked out");
+            $_SESSION["KTErrorMessage"][]= _kt("This document can't be copied because it is checked out");
             controllerRedirect('viewDocument', 'fDocumentId=' .  $this->oDocument->getId());
             exit(0);
         }
@@ -660,13 +660,13 @@ class KTDocumentCopyAction extends KTDocumentAction {
     }
     function do_main() {
-        $this->oPage->setBreadcrumbDetails(_("Copy"));
+        $this->oPage->setBreadcrumbDetails(_kt("Copy"));
         $oTemplate =& $this->oValidator->validateTemplate('ktcore/action/copy');
         $move_fields = array();
         $aNames = $this->oDocumentFolder->getPathArray();
         $aNames[] = $this->oDocument->getName();
         $sDocumentName = join(" &raquo; ", $aNames);
-        $move_fields[] = new KTStaticTextWidget(_('Document to copy'), '', 'fDocumentId', $sDocumentName, $this->oPage, false);
+        $move_fields[] = new KTStaticTextWidget(_kt('Document to copy'), '', 'fDocumentId', $sDocumentName, $this->oPage, false);
         $collection = new DocumentCollection();
         $collection->addColumn(new KTDocumentMoveColumn("Test 1 (title)","title", $this->oDocument));
@@ -713,16 +713,16 @@ class KTDocumentCopyAction extends KTDocumentAction {
     }
     function do_copy() {
-        $this->oPage->setBreadcrumbDetails(_("Copy"));
+        $this->oPage->setBreadcrumbDetails(_kt("Copy"));
         $oTemplate =& $this->oValidator->validateTemplate('ktcore/action/copy_final');
         $sFolderPath = join(" &raquo; ", $this->oFolder->getPathArray());
         $aNames = $this->oDocumentFolder->getPathArray();
         $aNames[] = $this->oDocument->getName();
         $sDocumentName = join(" &raquo; ", $aNames);
         $move_fields = array();
-        $move_fields[] = new KTStaticTextWidget(_('Document to move'), '', 'fDocumentId', $sDocumentName, $this->oPage, false);
-        $move_fields[] = new KTStaticTextWidget(_('Target folder'), '', 'fFolderId', $sFolderPath, $this->oPage, false);
-        $move_fields[] = new KTStringWidget(_('Reason'), _('The reason for this document to be moved.'), 'reason', "", $this->oPage, true);
+        $move_fields[] = new KTStaticTextWidget(_kt('Document to move'), '', 'fDocumentId', $sDocumentName, $this->oPage, false);
+        $move_fields[] = new KTStaticTextWidget(_kt('Target folder'), '', 'fFolderId', $sFolderPath, $this->oPage, false);
+        $move_fields[] = new KTStringWidget(_kt('Reason'), _('The reason for this document to be moved.'), 'reason', "", $this->oPage, true);
         $oTemplate->setData(array(
             'context' => &$this,
@@ -734,13 +734,13 @@ class KTDocumentCopyAction extends KTDocumentAction {
     function do_copy_final() {
         $sReason = KTUtil::arrayGet($_REQUEST, 'reason');
         $aOptions = array(
-            'message' => _("No reason given"),
+            'message' => _kt("No reason given"),
             'redirect_to' => array('move', sprintf('fDocumentId=%d&fFolderId=%d', $this->oDocument->getId(), $this->oFolder->getId())),
         );
         $this->oValidator->notEmpty($sReason, $aOptions);
         if (!Permission::userHasFolderWritePermission($this->oFolder)) {
-            $this->errorRedirectTo("main", _("You do not have permission to move a document to this location"), sprintf("fDocumentId=%d&fFolderId=%d", $this->oDocument->getId(), $this->oFolder->getId()));
+            $this->errorRedirectTo("main", _kt("You do not have permission to move a document to this location"), sprintf("fDocumentId=%d&fFolderId=%d", $this->oDocument->getId(), $this->oFolder->getId()));
             exit(0);
         }
@@ -750,7 +750,7 @@ class KTDocumentCopyAction extends KTDocumentAction {
         $oNewDoc = KTDocumentUtil::copy($this->oDocument, $this->oFolder);
         if (PEAR::isError($oNewDoc)) {
-            $this->errorRedirectTo("main", _("Failed to move document: ") . $oNewDoc->getMessage(), sprintf("fDocumentId=%d&fFolderId=%d", $this->oDocument->getId(), $this->oFolder->getId()));
+            $this->errorRedirectTo("main", _kt("Failed to move document: ") . $oNewDoc->getMessage(), sprintf("fDocumentId=%d&fFolderId=%d", $this->oDocument->getId(), $this->oFolder->getId()));
             exit(0);
         }
@@ -776,7 +776,7 @@ class KTDocumentCopyAction extends KTDocumentAction {
         $oDocumentTransaction = & new DocumentTransaction($oNewDoc, "Document copied from old version.", 'ktcore.transactions.create', $aOptions);
         $res = $oDocumentTransaction->create();
-        $_SESSION['KTInfoMessage'][] = _('Document copied.');
+        $_SESSION['KTInfoMessage'][] = _kt('Document copied.');
         controllerRedirect('viewDocument', 'fDocumentId=' .  $oNewDoc->getId());
         exit(0);
@@ -789,7 +789,7 @@ class KTDocumentTransactionHistoryAction extends KTDocumentAction {
     var $sName = 'ktcore.actions.document.transactionhistory';
     function getDisplayName() {
-        return _('Transaction History');
+        return _kt('Transaction History');
     }
     function getURL() {
@@ -803,7 +803,7 @@ class KTDocumentVersionHistoryAction extends KTDocumentAction {
     var $sName = 'ktcore.actions.document.versionhistory';
     function getDisplayName() {
-        return _('Version History');
+        return _kt('Version History');
     }
     function getURL() {
@@ -818,7 +818,7 @@ class KTDocumentArchiveAction extends KTDocumentAction {
     var $_sShowPermission = "ktcore.permissions.write";
     function getDisplayName() {
-        return _('Archive');
+        return _kt('Archive');
     }
     function getInfo() {
@@ -829,10 +829,10 @@ class KTDocumentArchiveAction extends KTDocumentAction {
     }
     function do_main() {
-        $this->oPage->setBreadcrumbDetails(_("archiving"));
+        $this->oPage->setBreadcrumbDetails(_kt("archiving"));
         $oTemplate =& $this->oValidator->validateTemplate('ktcore/action/archive');
         $fields = array();
-        $fields[] = new KTStringWidget(_('Reason'), _('The reason for the archiving of this document.  This will be displayed when the archived document is to be displayed.'), 'reason', "", $this->oPage, true);
+        $fields[] = new KTStringWidget(_kt('Reason'), _('The reason for the archiving of this document.  This will be displayed when the archived document is to be displayed.'), 'reason', "", $this->oPage, true);
         $oTemplate->setData(array(
             'context' => &$this,
@@ -854,11 +854,11 @@ class KTDocumentArchiveAction extends KTDocumentAction {
         $this->startTransaction();
         $this->oDocument->setStatusID(ARCHIVED);
         if (!$this->oDocument->update()) {
-            $_SESSION['KTErrorMessage'][] = _("There was a database error while trying to archive this file");
+            $_SESSION['KTErrorMessage'][] = _kt("There was a database error while trying to archive this file");
             controllerRedirect('viewDocument', 'fDocumentId=' .  $this->oDocument->getId());
             exit(0);
         }
-        $oDocumentTransaction = & new DocumentTransaction($this->oDocument, sprintf(_("Document archived: %s"), $sReason), 'ktcore.transactions.update');
+        $oDocumentTransaction = & new DocumentTransaction($this->oDocument, sprintf(_kt("Document archived: %s"), $sReason), 'ktcore.transactions.update');
         $oDocumentTransaction->create();
         $this->commitTransaction();
@@ -879,7 +879,7 @@ class KTDocumentArchiveAction extends KTDocumentAction {
             }
         }
-        $_SESSION['KTInfoMessage'][] = _("Document archived.");
+        $_SESSION['KTInfoMessage'][] = _kt("Document archived.");
         controllerRedirect('browse', 'fFolderId=' .  $this->oDocument->getFolderID());
         exit(0);
     }
@@ -894,11 +894,11 @@ class KTDocumentWorkflowAction extends KTDocumentAction {
     var $sHelpPage = 'ktcore/workflow.html';    
     function getDisplayName() {
-        return _('Workflow');
+        return _kt('Workflow');
     }
     function do_main() {
-        $this->oPage->setBreadcrumbDetails(_("workflow"));
+        $this->oPage->setBreadcrumbDetails(_kt("workflow"));
         $oTemplate =& $this->oValidator->validateTemplate("ktcore/workflow/documentWorkflow");
         $oDocument =& $this->oValidator->validateDocument($_REQUEST['fDocumentId']);
@@ -918,9 +918,9 @@ class KTDocumentWorkflowAction extends KTDocumentAction {
                 $aVocab[$oTransition->getId()] = $oTransition->showDescription();
             }
             $fieldOptions = array("vocab" => $aVocab);
-            $transition_fields[] = new KTLookupWidget(_('Transition to perform'), 'The transition listed will cause the document to change from its current state to the listed destination state.', 'fTransitionId', null, $this->oPage, true, null, $fieldErrors, $fieldOptions);
+            $transition_fields[] = new KTLookupWidget(_kt('Transition to perform'), 'The transition listed will cause the document to change from its current state to the listed destination state.', 'fTransitionId', null, $this->oPage, true, null, $fieldErrors, $fieldOptions);
             $transition_fields[] = new KTTextWidget(
-                _('Reason for transition'), _('Describe why this document qualifies to be changed from its current state to the destination state of the transition chosen.'), 
+                _kt('Reason for transition'), _('Describe why this document qualifies to be changed from its current state to the destination state of the transition chosen.'), 
                 'fComments', "", 
                 $this->oPage, true, null, null,
                 array('cols' => 80, 'rows' => 4));
@@ -943,7 +943,7 @@ class KTDocumentWorkflowAction extends KTDocumentAction {
         if (PEAR::isError($res)) {
             $this->errorRedirectToMain($res->message, sprintf('fDocumentId=%s',$oDocument->getId()));
         }
-        $this->successRedirectToMain(_('Workflow started'),
+        $this->successRedirectToMain(_kt('Workflow started'),
                 array('fDocumentId' => $oDocument->getId()));
         exit(0);
     }
@@ -961,7 +961,7 @@ class KTDocumentWorkflowAction extends KTDocumentAction {
         $oUser =& User::get($_SESSION['userID']);
         $res = KTWorkflowUtil::performTransitionOnDocument($oTransition, $oDocument, $oUser, $sComments);
-        $this->successRedirectToMain(_('Transition performed'),
+        $this->successRedirectToMain(_kt('Transition performed'),
                 array('fDocumentId' => $oDocument->getId()));
     }
 }
@@ -46,14 +46,14 @@ class KTFolderAddFolderAction extends KTFolderAction {
     var $_sShowPermission = "ktcore.permissions.addFolder";
     function getDisplayName() {
-        return _('Add a Folder');
+        return _kt('Add a Folder');
     }
     function do_main() {
-        $this->oPage->setBreadcrumbDetails(_("add folder"));
+        $this->oPage->setBreadcrumbDetails(_kt("add folder"));
         $oTemplate =& $this->oValidator->validateTemplate('ktcore/action/addFolder');
         $fields = array();
-        $fields[] = new KTStringWidget(_('Folder name'), _('The name for the new folder.'), 'name', "", $this->oPage, true);
+        $fields[] = new KTStringWidget(_kt('Folder name'), _('The name for the new folder.'), 'name', "", $this->oPage, true);
         $oTemplate->setData(array(
             'context' => &$this,
@@ -67,13 +67,13 @@ class KTFolderAddFolderAction extends KTFolderAction {
             'redirect_to' => array('main', sprintf('fFolderId=%d', $this->oFolder->getId())),
         );
         $sFolderName = KTUtil::arrayGet($_REQUEST, 'name');
-        $aErrorOptions['defaultmessage'] = _("No name given");
+        $aErrorOptions['defaultmessage'] = _kt("No name given");
         $sFolderName = $this->oValidator->validateString($sFolderName, $aErrorOptions);
         $this->startTransaction();
         $res = KTFolderUtil::add($this->oFolder, $sFolderName, $this->oUser);
-        $aErrorOptions['defaultmessage'] = _("Could not create folder in the document management system");
+        $aErrorOptions['defaultmessage'] = _kt("Could not create folder in the document management system");
         $this->oValidator->notError($res, $aErrorOptions);
         $this->commitTransaction();
@@ -90,11 +90,11 @@ class KTFolderPermissionsAction extends KTFolderAction {
     var $bAutomaticTransaction = true;
     function getDisplayName() {
-        return _('Permissions');
+        return _kt('Permissions');
     }
     function do_main() {
-        $this->oPage->setBreadcrumbDetails(_("viewing permissions"));
+        $this->oPage->setBreadcrumbDetails(_kt("viewing permissions"));
         $oTemplating =& KTTemplating::getSingleton();
         $oTemplate = $oTemplating->loadTemplate("ktcore/folder/permissions");
         $oPO = KTPermissionObject::get($this->oFolder->getPermissionObjectId());
@@ -177,13 +177,13 @@ class KTFolderPermissionsAction extends KTFolderAction {
     function do_copyPermissions() {
         KTPermissionUtil::copyPermissionObject($this->oFolder);
-        return $this->successRedirectToMain(_('Permissions updated'),
+        return $this->successRedirectToMain(_kt('Permissions updated'),
                 array('fFolderId' => $this->oFolder->getId()));
     }
     function do_inheritPermissions() {
         KTPermissionUtil::inheritPermissionObject($this->oFolder);
-        return $this->successRedirectToMain(_('Permissions updated'),
+        return $this->successRedirectToMain(_kt('Permissions updated'),
                 array('fFolderId' => $this->oFolder->getId()));
     }
@@ -194,7 +194,7 @@ class KTFolderPermissionsAction extends KTFolderAction {
         $oGroup =& $this->oValidator->validateGroup($_REQUEST['fGroupId'], $aOptions);
         $oCondition =& $this->oValidator->validateCondition($_REQUEST['fConditionId'], $aOptions);
         $aPermissionIds = (array) $_REQUEST['fPermissionIds'];
-        if (empty($aPermissionIds)) { $this->errorRedirectTo('main',_('Please select one or more permissions.'), sprintf('fFolderId=%d', $this->oFolder->getId())); }
+        if (empty($aPermissionIds)) { $this->errorRedirectTo('main', _kt('Please select one or more permissions.'), sprintf('fFolderId=%d', $this->oFolder->getId())); }
         $oPO = KTPermissionObject::get($this->oFolder->getPermissionObjectId());
         $oDynamicCondition = KTPermissionDynamicCondition::createFromArray(array(
@@ -206,7 +206,7 @@ class KTFolderPermissionsAction extends KTFolderAction {
         $res = $oDynamicCondition->saveAssignment($aPermissionIds);
         $this->oValidator->notError($res, $aOptions);
         KTPermissionUtil::updatePermissionLookupForPO($oPO);
-        $this->successRedirectToMain(_("Dynamic permission added"), "fFolderId=" . $this->oFolder->getId());
+        $this->successRedirectToMain(_kt("Dynamic permission added"), "fFolderId=" . $this->oFolder->getId());
     }
     function do_removeDynamicCondition() {
@@ -218,7 +218,7 @@ class KTFolderPermissionsAction extends KTFolderAction {
         $this->oValidator->notError($res, $aOptions);
         $oPO = KTPermissionObject::get($this->oFolder->getPermissionObjectId());
         KTPermissionUtil::updatePermissionLookupForPO($oPO);
-        $this->successRedirectToMain(_("Dynamic permission removed"), "fFolderId=" . $this->oFolder->getId());
+        $this->successRedirectToMain(_kt("Dynamic permission removed"), "fFolderId=" . $this->oFolder->getId());
     }
 }
@@ -50,7 +50,7 @@ class KTDocumentPermissionsAction extends KTDocumentAction {
     var $_bAdminAlwaysAvailable = true;
     function getDisplayName() {
-        return _('Permissions');
+        return _kt('Permissions');
     }
     function do_main() {
@@ -150,12 +150,12 @@ class KTRoleAllocationPlugin extends KTFolderAction {
     var $_bAdminAlwaysAvailable = true;
     function getDisplayName() {
-        return _('Allocate Roles');
+        return _kt('Allocate Roles');
     }
     function do_main() {
-        $this->oPage->setTitle(_("Allocate Roles"));
-        $this->oPage->setBreadcrumbDetails(_("Allocate Roles"));
+        $this->oPage->setTitle(_kt("Allocate Roles"));
+        $this->oPage->setBreadcrumbDetails(_kt("Allocate Roles"));
         $oTemplating =& KTTemplating::getSingleton();
         $oTemplate = $oTemplating->loadTemplate("ktcore/folder/roles");
@@ -230,7 +230,7 @@ class KTRoleAllocationPlugin extends KTFolderAction {
                 }
             }
 			if (empty($_users)) {
-			    $aRoles[$key]['users'] = '<span class="descriptiveText"> ' . _('no users') . '</span>'; 	
+			    $aRoles[$key]['users'] = '<span class="descriptiveText"> ' . _kt('no users') . '</span>'; 	
 			} else {
                 $aRoles[$key]['users'] = join(', ',$_users);
 			}
@@ -244,7 +244,7 @@ class KTRoleAllocationPlugin extends KTFolderAction {
                 }
             }
 			if (empty($_groups)) {
-			    $aRoles[$key]['groups'] = '<span class="descriptiveText"> ' . _('no groups') . '</span>'; 	
+			    $aRoles[$key]['groups'] = '<span class="descriptiveText"> ' . _kt('no groups') . '</span>'; 	
 			} else {
 			    $aRoles[$key]['groups'] = join(', ',$_groups);
 			}
@@ -263,7 +263,7 @@ class KTRoleAllocationPlugin extends KTFolderAction {
         $role_id = KTUtil::arrayGet($_REQUEST, 'role_id', null);
         $oRole = Role::get($role_id);
         if (PEAR::isError($oRole)) {
-            $this->errorRedirectToMain(_('Invalid Role.'));
+            $this->errorRedirectToMain(_kt('Invalid Role.'));
         }
         // FIXME do we need to check that this role _isn't_ allocated?
         $oRoleAllocation = new RoleAllocation();
@@ -280,38 +280,38 @@ class KTRoleAllocationPlugin extends KTFolderAction {
         $res = $oRoleAllocation->create();
 		if (PEAR::isError($res) || ($res == false)) {
-			$this->errorRedirectToMain(_('Failed to create the role allocation.') . print_r($res, true), sprintf('fFolderId=%d', $this->oFolder->getId()));
+			$this->errorRedirectToMain(_kt('Failed to create the role allocation.') . print_r($res, true), sprintf('fFolderId=%d', $this->oFolder->getId()));
 		}
 		$this->renegeratePermissionsForRole($oRoleAllocation->getRoleId());
-        $this->successRedirectToMain(_('Role allocation created.'), sprintf('fFolderId=%d', $this->oFolder->getId()));
+        $this->successRedirectToMain(_kt('Role allocation created.'), sprintf('fFolderId=%d', $this->oFolder->getId()));
     }
     function do_useParent() { 
         $role_id = KTUtil::arrayGet($_REQUEST, 'role_id', null);
         $oRole = Role::get($role_id);
         if (PEAR::isError($oRole)) {
-            $this->errorRedirectToMain(_('Invalid Role.'), sprintf('fFolderId=%d',$this->oFolder->getId())); 
+            $this->errorRedirectToMain(_kt('Invalid Role.'), sprintf('fFolderId=%d',$this->oFolder->getId())); 
         }
         $role_id = $oRole->getId(); // numeric, for various testing purposes.
         $oRoleAllocation = RoleAllocation::getAllocationsForFolderAndRole($this->oFolder->getId(), $role_id);
         if ($oRoleAllocation->getFolderId() != $this->oFolder->getId()) {
-            $this->errorRedirectToMain(_('Already using a different descriptor.'), sprintf('fFolderId=%d',$this->oFolder->getId())); 
+            $this->errorRedirectToMain(_kt('Already using a different descriptor.'), sprintf('fFolderId=%d',$this->oFolder->getId())); 
         } 
         $this->startTransaction();
         $res = $oRoleAllocation->delete();
         if (PEAR::isError($res) || ($res == false)) {
-            $this->errorRedirectToMain(_('Unable to change role allocation.') . print_r($res, true), sprintf('fFolderId=%d',$this->oFolder->getId())); 
+            $this->errorRedirectToMain(_kt('Unable to change role allocation.') . print_r($res, true), sprintf('fFolderId=%d',$this->oFolder->getId())); 
             exit(0);
         }
 		$this->renegeratePermissionsForRole($oRoleAllocation->getRoleId());
-        $this->successRedirectToMain(_('Role now uses parent.'), sprintf('fFolderId=%d',$this->oFolder->getId())); 
+        $this->successRedirectToMain(_kt('Role now uses parent.'), sprintf('fFolderId=%d',$this->oFolder->getId())); 
     }
     function do_editRoleUsers() {
@@ -319,12 +319,12 @@ class KTRoleAllocationPlugin extends KTFolderAction {
         $role_allocation_id = KTUtil::arrayGet($_REQUEST, 'alloc_id');
         $oRoleAllocation = RoleAllocation::get($role_allocation_id);
         if ((PEAR::isError($oRoleAllocation)) || ($oRoleAllocation=== false)) {
-            $this->errorRedirectToMain(_('No such role allocation.'), sprintf('fFolderId=%d',$this->oFolder->getId()));
+            $this->errorRedirectToMain(_kt('No such role allocation.'), sprintf('fFolderId=%d',$this->oFolder->getId()));
         }
-        $this->oPage->setBreadcrumbDetails(_('Manage Users for Role'));
-        $this->oPage->setTitle(sprintf(_('Manage Users for Role')));
+        $this->oPage->setBreadcrumbDetails(_kt('Manage Users for Role'));
+        $this->oPage->setTitle(sprintf(_kt('Manage Users for Role')));
         $initJS = 'var optGroup = new OptionTransfer("userSelect","chosenUsers"); ' .
         'function startTrans() { var f = getElement("userroleform"); ' .
@@ -365,12 +365,12 @@ class KTRoleAllocationPlugin extends KTFolderAction {
         $role_allocation_id = KTUtil::arrayGet($_REQUEST, 'alloc_id');
         $oRoleAllocation = RoleAllocation::get($role_allocation_id);
         if ((PEAR::isError($oRoleAllocation)) || ($oRoleAllocation=== false)) {
-            $this->errorRedirectToMain(_('No such role allocation.'), sprintf('fFolderId=%d',$this->oFolder->getId()));
+            $this->errorRedirectToMain(_kt('No such role allocation.'), sprintf('fFolderId=%d',$this->oFolder->getId()));
         }
-        $this->oPage->setBreadcrumbDetails(_('Manage Groups for Role'));
-        $this->oPage->setTitle(sprintf(_('Manage Groups for Role')));
+        $this->oPage->setBreadcrumbDetails(_kt('Manage Groups for Role'));
+        $this->oPage->setTitle(sprintf(_kt('Manage Groups for Role')));
         $initJS = 'var optGroup = new OptionTransfer("groupSelect","chosenGroups"); ' .
         'function startTrans() { var f = getElement("grouproleform"); ' .
@@ -411,7 +411,7 @@ class KTRoleAllocationPlugin extends KTFolderAction {
         $role_allocation_id = KTUtil::arrayGet($_REQUEST, 'allocation_id');
         $oRoleAllocation = RoleAllocation::get($role_allocation_id);
         if ((PEAR::isError($oRoleAllocation)) || ($oRoleAllocation=== false)) {
-            $this->errorRedirectToMain(_('No such role allocation.'), sprintf('fFolderId=%d',$this->oFolder->getId()));
+            $this->errorRedirectToMain(_kt('No such role allocation.'), sprintf('fFolderId=%d',$this->oFolder->getId()));
         }
         $users = KTUtil::arrayGet($_REQUEST, 'userFinal', '');
 		$aUserIds = explode(',', $users);
@@ -440,12 +440,12 @@ class KTRoleAllocationPlugin extends KTFolderAction {
 		$res = $oRoleAllocation->update();
 		if (PEAR::isError($res) || ($res == false)) {
-			$this->errorRedirectToMain(_('Failed to change the role allocation.') . print_r($res, true), sprintf('fFolderId=%d', $this->oFolder->getId()));
+			$this->errorRedirectToMain(_kt('Failed to change the role allocation.') . print_r($res, true), sprintf('fFolderId=%d', $this->oFolder->getId()));
 		}
 		$this->renegeratePermissionsForRole($oRoleAllocation->getRoleId());
-        $this->successRedirectToMain(_('Allocation changed.'), sprintf('fFolderId=%d',$this->oFolder->getId())); 
+        $this->successRedirectToMain(_kt('Allocation changed.'), sprintf('fFolderId=%d',$this->oFolder->getId())); 
     }
     function do_setRoleGroups() {
@@ -453,7 +453,7 @@ class KTRoleAllocationPlugin extends KTFolderAction {
         $role_allocation_id = KTUtil::arrayGet($_REQUEST, 'allocation_id');
         $oRoleAllocation = RoleAllocation::get($role_allocation_id);
         if ((PEAR::isError($oRoleAllocation)) || ($oRoleAllocation=== false)) {
-            $this->errorRedirectToMain(_('No such role allocation.'), sprintf('fFolderId=%d',$this->oFolder->getId()));
+            $this->errorRedirectToMain(_kt('No such role allocation.'), sprintf('fFolderId=%d',$this->oFolder->getId()));
         }
         $groups = KTUtil::arrayGet($_REQUEST, 'groupFinal', '');
 		$aGroupIds = explode(',', $groups);
@@ -482,12 +482,12 @@ class KTRoleAllocationPlugin extends KTFolderAction {
 		$res = $oRoleAllocation->update();
 		if (PEAR::isError($res) || ($res == false)) {
-			$this->errorRedirectToMain(_('Failed to change the role allocation.') . print_r($res, true), sprintf('fFolderId=%d', $this->oFolder->getId()));
+			$this->errorRedirectToMain(_kt('Failed to change the role allocation.') . print_r($res, true), sprintf('fFolderId=%d', $this->oFolder->getId()));
 		}
 		$this->renegeratePermissionsForRole($oRoleAllocation->getRoleId());
-        $this->successRedirectToMain(_('Allocation changed.'), sprintf('fFolderId=%d',$this->oFolder->getId()));     
+        $this->successRedirectToMain(_kt('Allocation changed.'), sprintf('fFolderId=%d',$this->oFolder->getId()));     
     }
 	function renegeratePermissionsForRole($iRoleId) {
@@ -523,7 +523,7 @@ class KTRoleAllocationPlugin extends KTFolderAction {
 			$aNewFolders = DBUtil::getResultArrayKey(array($sQuery, $aParams), 'id');
 			if (PEAR::isError($aNewFolders)) {
-				$this->errorRedirectToMain(_('Failure to generate folderlisting.'));
+				$this->errorRedirectToMain(_kt('Failure to generate folderlisting.'));
 			}
 			$folder_queue = array_merge ($folder_queue, (array) $aNewFolders); // push.
@@ -531,13 +531,13 @@ class KTRoleAllocationPlugin extends KTFolderAction {
 			// update the folder.
 			$oFolder =& Folder::get($active_folder);
 			if (PEAR::isError($oFolder) || ($oFolder == false)) {
-			    $this->errorRedirectToMain(_('Unable to locate folder: ') . $active_folder);
+			    $this->errorRedirectToMain(_kt('Unable to locate folder: ') . $active_folder);
 			}
 			KTPermissionUtil::updatePermissionLookup($oFolder);
 			$aDocList =& Document::getList(array('folder_id = ?', $active_folder));
 			if (PEAR::isError($aDocList) || ($aDocList === false)) {
-			    $this->errorRedirectToMain(sprintf(_('Unable to get documents in folder %s: %s'), $active_folder, $aDocList->getMessage()));
+			    $this->errorRedirectToMain(sprintf(_kt('Unable to get documents in folder %s: %s'), $active_folder, $aDocList->getMessage()));
 			}
 			foreach ($aDocList as $oDoc) { 
@@ -555,8 +555,8 @@ class KTDocumentRolesAction extends KTDocumentAction {
     var $bAutomaticTransaction = true;
     function do_main() {
-        $this->oPage->setTitle(_("View Roles"));
-        $this->oPage->setBreadcrumbDetails(_("View Roles"));
+        $this->oPage->setTitle(_kt("View Roles"));
+        $this->oPage->setBreadcrumbDetails(_kt("View Roles"));
         $oTemplating = new KTTemplating;
         $oTemplate = $oTemplating->loadTemplate("ktcore/action/view_roles");
@@ -610,7 +610,7 @@ class KTDocumentRolesAction extends KTDocumentAction {
                 }
             }
 			if (empty($_users)) {
-			    $aRoles[$key]['users'] = '<span class="descriptiveText"> ' . _('no users') . '</span>'; 	
+			    $aRoles[$key]['users'] = '<span class="descriptiveText"> ' . _kt('no users') . '</span>'; 	
 			} else {
 			    $aRoles[$key]['users'] = implode(', ',$_users);
 			}		
@@ -623,7 +623,7 @@ class KTDocumentRolesAction extends KTDocumentAction {
                 }
             }
 			if (empty($_groups)) {
-			    $aRoles[$key]['groups'] = '<span class="descriptiveText"> ' . _('no groups') . '</span>'; 	
+			    $aRoles[$key]['groups'] = '<span class="descriptiveText"> ' . _kt('no groups') . '</span>'; 	
 			} else {
 			    $aRoles[$key]['groups'] = implode(', ',$_groups);
 			}
@@ -32,7 +32,7 @@ require_once(KT_LIB_DIR . &#39;/widgets/portlet.inc.php&#39;);
 class KTSearchPortlet extends KTPortlet {
     function KTSearchPortlet() {
-        parent::KTPortlet(_("Search"));
+        parent::KTPortlet(_kt("Search"));
     }
     function render() {
         require_once(KT_LIB_DIR . '/search/savedsearch.inc.php');
@@ -62,7 +62,7 @@ class KTBrowseModePortlet extends KTPortlet {
     function KTBrowseModePortlet($sTitle = null) {
         // match empty, false.
         if ($sTitle == null) {
-            $sTitle = _('Browse Documents By');
+            $sTitle = _kt('Browse Documents By');
         }
         parent::KTPortlet($sTitle);
     }
@@ -71,9 +71,9 @@ class KTBrowseModePortlet extends KTPortlet {
         // this is unfortunate, but such is life.
         $current_action = KTUtil::arrayGet($_REQUEST, 'fBrowseMode', null);
         $modes = array(
-            'folder' => array('name' => _('Folder'), 'target' => "main"),            
-            'document_type' => array('name' => _('Document Type'), 'target' => 'selectType'),
-            'lookup_value' => array('name' => _('Lookup Value'), 'target' => 'selectField'),
+            'folder' => array('name' => _kt('Folder'), 'target' => "main"),            
+            'document_type' => array('name' => _kt('Document Type'), 'target' => 'selectType'),
+            'lookup_value' => array('name' => _kt('Lookup Value'), 'target' => 'selectField'),
         );        
         $oTemplating =& KTTemplating::getSingleton();        
@@ -92,7 +92,7 @@ class KTBrowseModePortlet extends KTPortlet {
 class KTAdminModePortlet extends KTPortlet {
     function KTAdminModePortlet() {
-        parent::KTPortlet(_("Administrator mode"));
+        parent::KTPortlet(_kt("Administrator mode"));
     }
     function render() {
         $iFolderId = KTUtil::arrayGet($_REQUEST, 'fFolderId', 1);
@@ -139,7 +139,7 @@ class KTAdminModePortlet extends KTPortlet {
 class KTAdminSectionNavigation extends KTPortlet {
     function KTAdminSectionNavigation() {
-        parent::KTPortlet(_("Administration"));
+        parent::KTPortlet(_kt("Administration"));
     }
     function render() {
@@ -58,13 +58,13 @@ class KTArchiveTitle extends TitleColumn {
 class ArchivedDocumentsDispatcher extends KTAdminDispatcher {
     function do_main () {
-        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _('Archived Documents'));
+        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _kt('Archived Documents'));
-        $this->oPage->setBreadcrumbDetails(_('browse'));
+        $this->oPage->setBreadcrumbDetails(_kt('browse'));
         $oFolder = Folder::get(KTUtil::arrayGet($_REQUEST, 'fFolderId', 1));
         if (PEAR::isError($oFolder)) { 
-            $this->errorRedirectToMain(_('Invalid folder selected.'));
+            $this->errorRedirectToMain(_kt('Invalid folder selected.'));
             exit(0);
         }
@@ -129,21 +129,21 @@ class ArchivedDocumentsDispatcher extends KTAdminDispatcher {
     }
     function do_confirm_restore() {
-        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _('Archived Documents'));
+        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _kt('Archived Documents'));
         $selected_docs = KTUtil::arrayGet($_REQUEST, 'selected_docs', array()); 
-        $this->oPage->setTitle(sprintf(_('Confirm Restore of %d documents'), count($selected_docs)));
+        $this->oPage->setTitle(sprintf(_kt('Confirm Restore of %d documents'), count($selected_docs)));
-        $this->oPage->setBreadcrumbDetails(sprintf(_('confirm restore of %d documents'), count($selected_docs)));
+        $this->oPage->setBreadcrumbDetails(sprintf(_kt('confirm restore of %d documents'), count($selected_docs)));
         $aDocuments = array();
         foreach ($selected_docs as $doc_id) {
             $oDoc =& Document::get($doc_id);
             if (PEAR::isError($oDoc) || ($oDoc === false)) { 
-                $this->errorRedirectToMain(_('Invalid document id specified. Aborting restore.'));
+                $this->errorRedirectToMain(_kt('Invalid document id specified. Aborting restore.'));
             } else if ($oDoc->getStatusId() != ARCHIVED) {
-                $this->errorRedirectToMain(sprintf(_('%s is not an archived document. Aborting restore.'), $oDoc->getName()));
+                $this->errorRedirectToMain(sprintf(_kt('%s is not an archived document. Aborting restore.'), $oDoc->getName()));
             }
             $aDocuments[] = $oDoc;
         }
@@ -167,9 +167,9 @@ class ArchivedDocumentsDispatcher extends KTAdminDispatcher {
         foreach ($selected_docs as $doc_id) {
             $oDoc =& Document::get($doc_id);
             if (PEAR::isError($oDoc) || ($oDoc === false)) { 
-                $this->errorRedirectToMain(_('Invalid document id specified. Aborting restore.'));
+                $this->errorRedirectToMain(_kt('Invalid document id specified. Aborting restore.'));
             } else if ($oDoc->getStatusId() != ARCHIVED) {
-                $this->errorRedirectToMain(sprintf(_('%s is not an archived document. Aborting restore.'), $oDoc->getName()));
+                $this->errorRedirectToMain(sprintf(_kt('%s is not an archived document. Aborting restore.'), $oDoc->getName()));
             }
             $aDocuments[] = $oDoc;
         }
@@ -183,11 +183,11 @@ class ArchivedDocumentsDispatcher extends KTAdminDispatcher {
             $oDoc->setStatusId(LIVE);
             $res = $oDoc->update();
             if (PEAR::isError($res) || ($res == false)) {
-                $this->errorRedirectToMain(sprintf(_('%s could not be made "live".'), $oDoc->getName));
+                $this->errorRedirectToMain(sprintf(_kt('%s could not be made "live".'), $oDoc->getName));
             }
         }
         $this->commitTransaction();
-        $msg = sprintf(_('%d documents made active.'), count($aDocuments));
+        $msg = sprintf(_kt('%d documents made active.'), count($aDocuments));
         $this->successRedirectToMain($msg);
     }
 }
@@ -35,7 +35,7 @@ class KTConditionDispatcher extends KTAdminDispatcher {
     var $bAutomaticTransaction = true;
     function check() {
-        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _('Conditions Management'));
+        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _kt('Conditions Management'));
         return true;
     }
@@ -48,8 +48,8 @@ class KTConditionDispatcher extends KTAdminDispatcher {
     }
     function do_new() {
-        $this->oPage->setBreadcrumbDetails(_('Create a new condition'));
-        $this->oPage->setTitle(_('Create a new condition'));
+        $this->oPage->setBreadcrumbDetails(_kt('Create a new condition'));
+        $this->oPage->setTitle(_kt('Create a new condition'));
         $oTemplating =& KTTemplating::getSingleton();
         $oTemplate = $oTemplating->loadTemplate("ktcore/boolean_search");
@@ -57,10 +57,10 @@ class KTConditionDispatcher extends KTAdminDispatcher {
         $aCriteria = Criteria::getAllCriteria();
         $aTemplateData = array(
-            "title" => _("Create a new condition"),
-            "sNameTitle" => _("Name of condition"),
+            "title" => _kt("Create a new condition"),
+            "sNameTitle" => _kt("Name of condition"),
             "aCriteria" => $aCriteria,
-            "searchButton" => _("Save"),
+            "searchButton" => _kt("Save"),
             "context" => &$this,
         );
         return $oTemplate->render($aTemplateData);
@@ -101,14 +101,14 @@ class KTConditionDispatcher extends KTAdminDispatcher {
         $aTemplateData = array(
-            "title" => _("Edit an existing condition"),
+            "title" => _kt("Edit an existing condition"),
             "aCriteria" => $aCriteria,
-            "searchButton" => _("Update Dynamic Condition"),
+            "searchButton" => _kt("Update Dynamic Condition"),
             'aSearch' => $aSearch,
             'context' => $this,
             'iSearchId' => $oSearch->getId(),
             'old_name' => $oSearch->getName(),
-            'sNameTitle' => _('Edit Dynamic Condition'),
+            'sNameTitle' => _kt('Edit Dynamic Condition'),
         );
         return $oTemplate->render($aTemplateData);        
     }
@@ -131,7 +131,7 @@ class KTConditionDispatcher extends KTAdminDispatcher {
         }
         if (empty($datavars)) {
-            $this->errorRedirectToMain(_('You need to have at least 1 condition.'));
+            $this->errorRedirectToMain(_kt('You need to have at least 1 condition.'));
         }
         //$sName = "Neil's saved search";
@@ -144,9 +144,9 @@ class KTConditionDispatcher extends KTAdminDispatcher {
         $this->oValidator->notError($res, array(
             'redirect_to' => 'main',
-            'message' => _('Search not saved'),
+            'message' => _kt('Search not saved'),
         ));
-        $this->successRedirectToMain(_('Dynamic condition saved'));
+        $this->successRedirectToMain(_kt('Dynamic condition saved'));
     }    
     // XXX: Rename to do_save
@@ -157,7 +157,7 @@ class KTConditionDispatcher extends KTAdminDispatcher {
         }
         if (empty($datavars)) {
-            $this->errorRedirectToMain(_('You need to have at least 1 condition.'));
+            $this->errorRedirectToMain(_kt('You need to have at least 1 condition.'));
         }
         $sName = $this->oValidator->validateEntityName(
@@ -179,9 +179,9 @@ class KTConditionDispatcher extends KTAdminDispatcher {
         $this->oValidator->notError($oSearch, array(
             'redirect_to' => 'main',
-            'message' => _('Search not saved'),
+            'message' => _kt('Search not saved'),
         ));
-        $this->successRedirectToMain(_('Dynamic condition saved'));
+        $this->successRedirectToMain(_kt('Dynamic condition saved'));
     }
 }
@@ -37,9 +37,9 @@ require_once(KT_LIB_DIR . &quot;/templating/kt3template.inc.php&quot;);
 class DeletedDocumentsDispatcher extends KTAdminDispatcher {
     function do_main () {
-        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _('Deleted Documents'));
+        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _kt('Deleted Documents'));
-        $this->oPage->setBreadcrumbDetails(_('view'));
+        $this->oPage->setBreadcrumbDetails(_kt('view'));
         $aDocuments =& Document::getList("status_id=" . DELETED);
@@ -62,25 +62,25 @@ class DeletedDocumentsDispatcher extends KTAdminDispatcher {
         if (array_key_exists('restore', $submit)) {
             return $this->do_confirm_restore();
         }
-        $this->errorRedirectToMain(_('No action specified.'));
+        $this->errorRedirectToMain(_kt('No action specified.'));
     }
     function do_confirm_expunge() {
-        $this->aBreadcrumbs[] = array('url' =>  $_SERVER['PHP_SELF'], 'name' => _('Deleted Documents'));
+        $this->aBreadcrumbs[] = array('url' =>  $_SERVER['PHP_SELF'], 'name' => _kt('Deleted Documents'));
         $selected_docs = KTUtil::arrayGet($_REQUEST, 'selected_docs', array()); 
-        $this->oPage->setTitle(sprintf(_('Confirm Expunge of %d documents'), count($selected_docs)));
+        $this->oPage->setTitle(sprintf(_kt('Confirm Expunge of %d documents'), count($selected_docs)));
-        $this->oPage->setBreadcrumbDetails(sprintf(_('confirm expunge of %d documents'), count($selected_docs)));
+        $this->oPage->setBreadcrumbDetails(sprintf(_kt('confirm expunge of %d documents'), count($selected_docs)));
         $aDocuments = array();
         foreach ($selected_docs as $doc_id) {
             $oDoc =& Document::get($doc_id);
             if (PEAR::isError($oDoc) || ($oDoc === false)) { 
-                $this->errorRedirectToMain(_('Invalid document id specified. Aborting expunge'));
+                $this->errorRedirectToMain(_kt('Invalid document id specified. Aborting expunge'));
             } else if ($oDoc->getStatusId() != DELETED) {
-                $this->errorRedirectToMain(sprintf(_('%s is not a deleted document. Aborting expunge'), $oDoc->getName()));
+                $this->errorRedirectToMain(sprintf(_kt('%s is not a deleted document. Aborting expunge'), $oDoc->getName()));
             }
             $aDocuments[] = $oDoc;
         }
@@ -104,9 +104,9 @@ class DeletedDocumentsDispatcher extends KTAdminDispatcher {
         foreach ($selected_docs as $doc_id) {
             $oDoc =& Document::get($doc_id);
             if (PEAR::isError($oDoc) || ($oDoc === false)) { 
-                $this->errorRedirectToMain(_('Invalid document id specified. Aborting expunge'));
+                $this->errorRedirectToMain(_kt('Invalid document id specified. Aborting expunge'));
             } else if ($oDoc->getStatusId() != DELETED) {
-                $this->errorRedirectToMain(sprintf(_('%s is not a deleted document. Aborting expunge'), $oDoc->getName()));
+                $this->errorRedirectToMain(sprintf(_kt('%s is not a deleted document. Aborting expunge'), $oDoc->getName()));
             }
             $aDocuments[] = $oDoc;
         }
@@ -139,27 +139,27 @@ class DeletedDocumentsDispatcher extends KTAdminDispatcher {
             }
         }
         $this->commitTransaction();
-        $msg = sprintf(_('%d documents expunged.'), count($aSuccessDocuments));
-        if (count($aErrorDocuments) != 0) { $msg .= _('Failed to expunge') . ': ' . join(', ', $aErrorDocuments); }
+        $msg = sprintf(_kt('%d documents expunged.'), count($aSuccessDocuments));
+        if (count($aErrorDocuments) != 0) { $msg .= _kt('Failed to expunge') . ': ' . join(', ', $aErrorDocuments); }
         $this->successRedirectToMain($msg);
     }
     function do_confirm_restore() {
-        $this->aBreadcrumbs[] = array('url' =>  $_SERVER['PHP_SELF'], 'name' => _('Deleted Documents'));
+        $this->aBreadcrumbs[] = array('url' =>  $_SERVER['PHP_SELF'], 'name' => _kt('Deleted Documents'));
         $selected_docs = KTUtil::arrayGet($_REQUEST, 'selected_docs', array()); 
-        $this->oPage->setTitle(sprintf(_('Confirm Restore of %d documents'), count($selected_docs)));
+        $this->oPage->setTitle(sprintf(_kt('Confirm Restore of %d documents'), count($selected_docs)));
-        $this->oPage->setBreadcrumbDetails(sprintf(_('Confirm Restore of %d documents'), count($selected_docs)));
+        $this->oPage->setBreadcrumbDetails(sprintf(_kt('Confirm Restore of %d documents'), count($selected_docs)));
         $aDocuments = array();
         foreach ($selected_docs as $doc_id) {
             $oDoc =& Document::get($doc_id);
             if (PEAR::isError($oDoc) || ($oDoc === false)) { 
-                $this->errorRedirectToMain(_('Invalid document id specified. Aborting expunge'));
+                $this->errorRedirectToMain(_kt('Invalid document id specified. Aborting expunge'));
             } else if ($oDoc->getStatusId() != DELETED) {
-                $this->errorRedirectToMain(sprintf(_('%s is not a deleted document. Aborting expunge'), $oDoc->getName()));
+                $this->errorRedirectToMain(sprintf(_kt('%s is not a deleted document. Aborting expunge'), $oDoc->getName()));
             }
             $aDocuments[] = $oDoc;
         }
@@ -181,9 +181,9 @@ class DeletedDocumentsDispatcher extends KTAdminDispatcher {
         foreach ($selected_docs as $doc_id) {
             $oDoc =& Document::get($doc_id);
             if (PEAR::isError($oDoc) || ($oDoc === false)) { 
-                $this->errorRedirectToMain(_('Invalid document id specified. Aborting restore'));
+                $this->errorRedirectToMain(_kt('Invalid document id specified. Aborting restore'));
             } else if ($oDoc->getStatusId() != DELETED) {
-                $this->errorRedirectToMain(sprintf(_('%s is not a deleted document. Aborting restore'), $oDoc->getName()));
+                $this->errorRedirectToMain(sprintf(_kt('%s is not a deleted document. Aborting restore'), $oDoc->getName()));
             }
             $aDocuments[] = $oDoc;
         }
@@ -225,8 +225,8 @@ class DeletedDocumentsDispatcher extends KTAdminDispatcher {
             }
         }
         $this->commitTransaction();
-        $msg = sprintf(_('%d documents restored.'), count($aSuccessDocuments));
-        if (count($aErrorDocuments) != 0) { $msg .= _('Failed to restore') . ': ' . join(', ', $aErrorDocuments); }
+        $msg = sprintf(_kt('%d documents restored.'), count($aSuccessDocuments));
+        if (count($aErrorDocuments) != 0) { $msg .= _kt('Failed to restore') . ': ' . join(', ', $aErrorDocuments); }
         $this->successRedirectToMain($msg);
     }    
@@ -39,8 +39,8 @@ class KTCheckoutAdminDispatcher extends KTAdminDispatcher {
     }
     function do_main() {
-        $this->aBreadcrumbs[] = array('name' => _('Document Checkout'));
-        $this->oPage->setBreadcrumbDetails(_("list checked out documents"));
+        $this->aBreadcrumbs[] = array('name' => _kt('Document Checkout'));
+        $this->oPage->setBreadcrumbDetails(_kt("list checked out documents"));
         $aDocuments = Document::getList("is_checked_out = 1");
@@ -55,17 +55,17 @@ class KTCheckoutAdminDispatcher extends KTAdminDispatcher {
     function do_confirm() {
-        $this->aBreadcrumbs[] = array('name' => _('Document Checkout'));
-        $this->oPage->setBreadcrumbDetails(_("confirm forced check-in"));
+        $this->aBreadcrumbs[] = array('name' => _kt('Document Checkout'));
+        $this->oPage->setBreadcrumbDetails(_kt("confirm forced check-in"));
         $document_id = KTUtil::arrayGet($_REQUEST, 'fDocumentId');
         if (empty($document_id)) {
-            return $this->errorRedirectToMain(_('You must select a document to check in first.'));
+            return $this->errorRedirectToMain(_kt('You must select a document to check in first.'));
         }
         $oDocument = Document::get($document_id);
         if (PEAR::isError($oDocument)) {
-            return $this->errorRedirectToMain(_('The document you specified appears to be invalid.'));
+            return $this->errorRedirectToMain(_kt('The document you specified appears to be invalid.'));
         }
         $oUser = User::get($oDocument->getCheckedOutUserID());
@@ -91,12 +91,12 @@ class KTCheckoutAdminDispatcher extends KTAdminDispatcher {
         $document_id = KTUtil::arrayGet($_REQUEST, 'fDocumentId');
         if (empty($document_id)) {
-            return $this->errorRedirectToMain(_('You must select a document to check in first.'));
+            return $this->errorRedirectToMain(_kt('You must select a document to check in first.'));
         }
         $oDocument = Document::get($document_id);
         if (PEAR::isError($oDocument)) {
-            return $this->errorRedirectToMain(_('The document you specified appears to be invalid.'));
+            return $this->errorRedirectToMain(_kt('The document you specified appears to be invalid.'));
         }
         $this->startTransaction();
@@ -105,7 +105,7 @@ class KTCheckoutAdminDispatcher extends KTAdminDispatcher {
         $oDocument->setCheckedOutUserID(-1);
         if (!$oDocument->update()) {
             $this->rollbackTransaction();
-            return $this->errorRedirectToMain(_("Failed to force the document's checkin."));
+            return $this->errorRedirectToMain(_kt("Failed to force the document's checkin."));
         }
         // checkout cancelled transaction
@@ -113,10 +113,10 @@ class KTCheckoutAdminDispatcher extends KTAdminDispatcher {
         $res = $oDocumentTransaction->create();
         if (PEAR::isError($res) || ($res == false)) {
             $this->rollbackTransaction();
-            return $this->errorRedirectToMain(_("Failed to force the document's checkin."));
+            return $this->errorRedirectToMain(_kt("Failed to force the document's checkin."));
         }
         $this->commitTransaction(); // FIXME do we want to do this if we can't created the document-transaction?
-        return $this->successRedirectToMain(sprintf(_('Successfully forced "%s" to be checked in.'), $oDocument->getName()));
+        return $this->successRedirectToMain(sprintf(_kt('Successfully forced "%s" to be checked in.'), $oDocument->getName()));
     }
@@ -43,22 +43,22 @@ class KTDocumentFieldDispatcher extends KTAdminDispatcher {
     var $bAutomaticTransaction = true;
     function check() {
-        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _('Document Field Management'));
+        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _kt('Document Field Management'));
         return true;
     }
     // {{{ do_main
     function do_main () {
-        $this->oPage->setBreadcrumbDetails(_("view fieldsets"));
+        $this->oPage->setBreadcrumbDetails(_kt("view fieldsets"));
         // function KTBaseWidget($sLabel, $sDescription, $sName, $value, $oPage, $bRequired = false, $sId = null, $aErrors = null, $aOptions = null) {
         // use widgets for the create form.
         $createFields = array();
-        $createFields[] = new KTStringWidget('Name', _('A human-readable name, used in add and edit forms.'), 'name', null, $this->oPage, true);
-        $createFields[] = new KTTextWidget('Description', _('A brief description of the information stored in this fieldset.'), 'description', null, $this->oPage, true);
-        $createFields[] = new KTCheckboxWidget('Generic', _('A generic fieldset is one that is available for every document by default.  These fieldsets will be available for users to edit and add for every document in the document management system.'), 'generic', false, $this->oPage, false);
+        $createFields[] = new KTStringWidget('Name', _kt('A human-readable name, used in add and edit forms.'), 'name', null, $this->oPage, true);
+        $createFields[] = new KTTextWidget('Description', _kt('A brief description of the information stored in this fieldset.'), 'description', null, $this->oPage, true);
+        $createFields[] = new KTCheckboxWidget('Generic', _kt('A generic fieldset is one that is available for every document by default.  These fieldsets will be available for users to edit and add for every document in the document management system.'), 'generic', false, $this->oPage, false);
         $createFields[] = new KTCheckboxWidget('System',
-            _('A system fieldset is one that is never displayed to a user, and is used only by the document management system.'), 'system', false, $this->oPage, false);
+            _kt('A system fieldset is one that is never displayed to a user, and is used only by the document management system.'), 'system', false, $this->oPage, false);
         $oTemplating =& KTTemplating::getSingleton();
@@ -79,12 +79,12 @@ class KTDocumentFieldDispatcher extends KTAdminDispatcher {
         $oFieldset =& KTFieldset::get($_REQUEST['fFieldsetId']);
         $editFieldset = array();
-        $editFieldset[] = new KTStringWidget('Name', _('A human-readable name, used in add and edit forms.'), 'name',$oFieldset->getName(), $this->oPage, true);
-        $editFieldset[] = new KTStringWidget('Namespace',_('Every fieldset needs to have a system name (used internally by the document management system).  For fieldsets which you create, this is automatically created by the system, but for fieldsets created by plugins, this controls how the fieldset works.'), 'namespace', $oFieldset->getNamespace(), $this->oPage, true);
-        $editFieldset[] = new KTTextWidget('Description', _('A brief description of the information stored in this fieldset.'), 'description', $oFieldset->getDescription(), $this->oPage, true);                
+        $editFieldset[] = new KTStringWidget('Name', _kt('A human-readable name, used in add and edit forms.'), 'name',$oFieldset->getName(), $this->oPage, true);
+        $editFieldset[] = new KTStringWidget('Namespace', _kt('Every fieldset needs to have a system name (used internally by the document management system).  For fieldsets which you create, this is automatically created by the system, but for fieldsets created by plugins, this controls how the fieldset works.'), 'namespace', $oFieldset->getNamespace(), $this->oPage, true);
+        $editFieldset[] = new KTTextWidget('Description', _kt('A brief description of the information stored in this fieldset.'), 'description', $oFieldset->getDescription(), $this->oPage, true);                
         $createFields = array();
-        $createFields[] = new KTStringWidget('Name', _('A human-readable name, used in add and edit forms.'), 'name',null, $this->oPage, true);
-        $createFields[] = new KTTextWidget('Description', _('A brief description of the information stored in this field.'), 'description', null, $this->oPage, true);                
+        $createFields[] = new KTStringWidget('Name', _kt('A human-readable name, used in add and edit forms.'), 'name',null, $this->oPage, true);
+        $createFields[] = new KTTextWidget('Description', _kt('A brief description of the information stored in this field.'), 'description', null, $this->oPage, true);                
         // type is a little more complex.
@@ -95,7 +95,7 @@ class KTDocumentFieldDispatcher extends KTAdminDispatcher {
         $vocab['lookup'] = 'Lookup';
         $vocab['tree'] = 'Tree';
         $typeOptions = array("vocab" => $vocab);
-        $createFields[] =& new KTLookupWidget('Type',_('Fields may be of type "Normal", "Lookup", or "Tree". Normal fields are simple text entry fields. Lookups are drop-down controls populated with values by your chosen values. Tree fields provide a rich means of selecting values from tree-like information structures.'), 
+        $createFields[] =& new KTLookupWidget('Type', _kt('Fields may be of type "Normal", "Lookup", or "Tree". Normal fields are simple text entry fields. Lookups are drop-down controls populated with values by your chosen values. Tree fields provide a rich means of selecting values from tree-like information structures.'), 
         'type', null, $this->oPage, true, null,  null, $typeOptions);
@@ -122,13 +122,13 @@ class KTDocumentFieldDispatcher extends KTAdminDispatcher {
 		$aErrorOptions = array(
 			'redirect_to' => array('edit', sprintf('fFieldsetId=%d', $oFieldset->getId())),
 		);
-        $aErrorOptions['empty_message'] = _("No name was given for the fieldset");
-        $aErrorOptions['duplicate_message'] = _("A fieldset with that name already exists");
+        $aErrorOptions['empty_message'] = _kt("No name was given for the fieldset");
+        $aErrorOptions['duplicate_message'] = _kt("A fieldset with that name already exists");
         $aErrorOptions['rename'] = $oFieldset->getId();
         $sName = $this->oValidator->validateEntityName("KTFieldset", $_REQUEST['name'], $aErrorOptions);
-        $aErrorOptions['message'] = sprintf(_("The field '%s' is a required field"), _("Namespace"));
+        $aErrorOptions['message'] = sprintf(_kt("The field '%s' is a required field"), _("Namespace"));
         $sNamespace = $this->oValidator->validateString($_REQUEST['namespace'], $aErrorOptions);
-        $aErrorOptions['message'] = sprintf(_("The field '%s' is a required field"), _("Description"));
+        $aErrorOptions['message'] = sprintf(_kt("The field '%s' is a required field"), _("Description"));
         $sDescription = $this->oValidator->validateString($_REQUEST['description'], $aErrorOptions);
         $oFieldset->setName($sName);
@@ -136,10 +136,10 @@ class KTDocumentFieldDispatcher extends KTAdminDispatcher {
         $oFieldset->setDescription($sDescription);
         $res = $oFieldset->update();
         if (PEAR::isError($res) || ($res === false)) {
-            $this->errorRedirectTo('edit', _('Could not save fieldset changes'), 'fFieldsetId=' . $oFieldset->getId());
+            $this->errorRedirectTo('edit', _kt('Could not save fieldset changes'), 'fFieldsetId=' . $oFieldset->getId());
             exit(0);
         }
-        $this->successRedirectTo('edit', _('Changes saved'), 'fFieldsetId=' . $oFieldset->getId());
+        $this->successRedirectTo('edit', _kt('Changes saved'), 'fFieldsetId=' . $oFieldset->getId());
         exit(0);
     }
     // }}}
@@ -162,14 +162,14 @@ class KTDocumentFieldDispatcher extends KTAdminDispatcher {
             // Can't be a system fieldset and a generic fieldset...
 			if ($bIsGeneric) {
                 $bIsGeneric = false;
-			    $this->addInfoMessage(_('System fieldsets cannot be generic.  Generic flag removed.'));
+			    $this->addInfoMessage(_kt('System fieldsets cannot be generic.  Generic flag removed.'));
 			}
         }
 		// basic validation
-        $aErrorOptions['empty_message'] = _("No name was given for the fieldset");
-        $aErrorOptions['duplicate_message'] = _("A fieldset with that name already exists");
+        $aErrorOptions['empty_message'] = _kt("No name was given for the fieldset");
+        $aErrorOptions['duplicate_message'] = _kt("A fieldset with that name already exists");
         $sName = $this->oValidator->validateEntityName("KTFieldset", $_REQUEST['name'], $aErrorOptions);
 		$sDescription = $this->oValidator->validateString(KTUtil::arrayGet($_REQUEST, 'description'), 
@@ -194,7 +194,7 @@ class KTDocumentFieldDispatcher extends KTAdminDispatcher {
             $this->errorRedirectToMain('Could not create fieldset');
             exit(0);
         }
-        $this->successRedirectTo('edit', _('Fieldset created') . ': '.$sName, 'fFieldsetId=' . $res->getId());
+        $this->successRedirectTo('edit', _kt('Fieldset created') . ': '.$sName, 'fFieldsetId=' . $res->getId());
         exit(0);
     }
     // }}}
@@ -237,13 +237,13 @@ class KTDocumentFieldDispatcher extends KTAdminDispatcher {
             'parentfieldset' => $oFieldset->getId(),
         ));
         if (PEAR::isError($res) || ($res === false)) {
-            $this->errorRedirectTo('edit', _('Could not create field') . ': '.$_REQUEST['name'], 'fFieldsetId=' . $oFieldset->getId());
+            $this->errorRedirectTo('edit', _kt('Could not create field') . ': '.$_REQUEST['name'], 'fFieldsetId=' . $oFieldset->getId());
             exit(0);
         }
         if ($is_lookup) {
-            $this->successRedirectTo('editField', _('Field created') . ': '.$_REQUEST['name'], 'fFieldsetId=' . $oFieldset->getId() . '&fFieldId=' . $oField->getId());
+            $this->successRedirectTo('editField', _kt('Field created') . ': '.$_REQUEST['name'], 'fFieldsetId=' . $oFieldset->getId() . '&fFieldId=' . $oField->getId());
         } else {
-            $this->successRedirectTo('edit', _('Field created') . ': ' . $_REQUEST['name'], 'fFieldsetId=' . $oFieldset->getId());
+            $this->successRedirectTo('edit', _kt('Field created') . ': ' . $_REQUEST['name'], 'fFieldsetId=' . $oFieldset->getId());
         }
         exit(0);
     }
@@ -251,7 +251,7 @@ class KTDocumentFieldDispatcher extends KTAdminDispatcher {
     // {{{ do_editField
     function do_editField() {
-        $this->oPage->setBreadcrumbDetails(_("Edit field"));
+        $this->oPage->setBreadcrumbDetails(_kt("Edit field"));
         $oTemplating =& KTTemplating::getSingleton();
         $oTemplate =& $oTemplating->loadTemplate('ktcore/metadata/editField');
         $oFieldset =& KTFieldset::get($_REQUEST['fFieldsetId']);
@@ -265,7 +265,7 @@ class KTDocumentFieldDispatcher extends KTAdminDispatcher {
         $this->aBreadcrumbs[] = array(
             'name' => $oField->getName()
         );
-        $this->oPage->setBreadcrumbDetails(_('edit field'));
+        $this->oPage->setBreadcrumbDetails(_kt('edit field'));
         $oTemplate->setData(array(
             'oFieldset' => $oFieldset,
@@ -303,10 +303,10 @@ class KTDocumentFieldDispatcher extends KTAdminDispatcher {
         $oField->setDescription($sDescription);
         $res = $oField->update();
         if (PEAR::isError($res) || ($res === false)) {
-            $this->errorRedirectTo('editField', _('Could not save field changes'), 'fFieldsetId=' . $oFieldset->getId() . '&fFieldId=' . $oField->getId());
+            $this->errorRedirectTo('editField', _kt('Could not save field changes'), 'fFieldsetId=' . $oFieldset->getId() . '&fFieldId=' . $oField->getId());
             exit(0);
         }
-        $this->successRedirectTo('editField', _('Changes saved'), 'fFieldsetId=' . $oFieldset->getId() . '&fFieldId=' . $oField->getId());
+        $this->successRedirectTo('editField', _kt('Changes saved'), 'fFieldsetId=' . $oFieldset->getId() . '&fFieldId=' . $oField->getId());
         exit(0);
     }
     // }}}
@@ -316,13 +316,13 @@ class KTDocumentFieldDispatcher extends KTAdminDispatcher {
         $oFieldset =& KTFieldset::get($_REQUEST['fFieldsetId']);
         $oField =& DocumentField::get($_REQUEST['fFieldId']);
         if (empty($_REQUEST['value'])) {
-            $this->errorRedirectTo('editField', _('Empty lookup not added'), 'fFieldsetId=' . $oFieldset->getId() . '&fFieldId=' .  $oField->getId());
+            $this->errorRedirectTo('editField', _kt('Empty lookup not added'), 'fFieldsetId=' . $oFieldset->getId() . '&fFieldId=' .  $oField->getId());
         }
         $oMetaData =& MetaData::createFromArray(array(
             'name' => $_REQUEST['value'],
             'docfieldid' => $oField->getId(),
         ));
-        $this->successRedirectTo('editField', _('Lookup added'), 'fFieldsetId=' . $oFieldset->getId() . '&fFieldId=' .  $oField->getId());
+        $this->successRedirectTo('editField', _kt('Lookup added'), 'fFieldsetId=' . $oFieldset->getId() . '&fFieldId=' .  $oField->getId());
         exit(0);
     }
     // }}}
@@ -330,13 +330,13 @@ class KTDocumentFieldDispatcher extends KTAdminDispatcher {
     // {{{ do_metadataMultiAction
     function do_metadataMultiAction() {
         $subaction = array_keys(KTUtil::arrayGet($_REQUEST, 'submit', array()));
-        $this->oValidator->notEmpty($subaction, array("message" => _("No action specified")));
+        $this->oValidator->notEmpty($subaction, array("message" => _kt("No action specified")));
         $subaction = $subaction[0];
         $method = null;
         if (method_exists($this, 'lookup_' . $subaction)) {
             $method = 'lookup_' . $subaction;
         }
-        $this->oValidator->notEmpty($method, array("message" => _("Unknown action specified")));
+        $this->oValidator->notEmpty($method, array("message" => _kt("Unknown action specified")));
         return $this->$method();
     }
     // }}}
@@ -347,16 +347,16 @@ class KTDocumentFieldDispatcher extends KTAdminDispatcher {
         $oField =& DocumentField::get($_REQUEST['fFieldId']);
         $aMetadata = KTUtil::arrayGet($_REQUEST, 'metadata');
         if (empty($aMetadata)) {
-            $this->errorRedirectTo('editField', _('No lookups selected'), 'fFieldsetId=' . $oFieldset->getId() . '&fFieldId=' .  $oField->getId());
+            $this->errorRedirectTo('editField', _kt('No lookups selected'), 'fFieldsetId=' . $oFieldset->getId() . '&fFieldId=' .  $oField->getId());
         }
         foreach ($_REQUEST['metadata'] as $iMetaDataId) {
             $oMetaData =& MetaData::get($iMetaDataId);
 			if (PEAR::isError($oMetaData)) {
-			    $this->errorRedirectTo('editField', _('Invalid lookup selected'), 'fFieldsetId=' . $oFieldset->getId() . '&fFieldId=' .  $oField->getId());
+			    $this->errorRedirectTo('editField', _kt('Invalid lookup selected'), 'fFieldsetId=' . $oFieldset->getId() . '&fFieldId=' .  $oField->getId());
 			}
             $oMetaData->delete();
         }
-        $this->successRedirectTo('editField', _('Lookups removed'), 'fFieldsetId=' . $oFieldset->getId() . '&fFieldId=' .  $oField->getId());
+        $this->successRedirectTo('editField', _kt('Lookups removed'), 'fFieldsetId=' . $oFieldset->getId() . '&fFieldId=' .  $oField->getId());
         exit(0);
     }
     // }}}
@@ -367,17 +367,17 @@ class KTDocumentFieldDispatcher extends KTAdminDispatcher {
         $oField =& DocumentField::get($_REQUEST['fFieldId']);
         $aMetadata = KTUtil::arrayGet($_REQUEST, 'metadata');
         if (empty($aMetadata)) {
-            $this->errorRedirectTo('editField', _('No lookups selected'), 'fFieldsetId=' . $oFieldset->getId() . '&fFieldId=' .  $oField->getId());
+            $this->errorRedirectTo('editField', _kt('No lookups selected'), 'fFieldsetId=' . $oFieldset->getId() . '&fFieldId=' .  $oField->getId());
         }
         foreach ($_REQUEST['metadata'] as $iMetaDataId) {
             $oMetaData =& MetaData::get($iMetaDataId);
 			if (PEAR::isError($oMetaData)) {
-			    $this->errorRedirectTo('editField', _('Invalid lookup selected'), 'fFieldsetId=' . $oFieldset->getId() . '&fFieldId=' .  $oField->getId());
+			    $this->errorRedirectTo('editField', _kt('Invalid lookup selected'), 'fFieldsetId=' . $oFieldset->getId() . '&fFieldId=' .  $oField->getId());
 			}
             $oMetaData->setDisabled(true);
             $oMetaData->update();
         }
-        $this->successRedirectTo('editField', _('Lookups disabled'), 'fFieldsetId=' . $oFieldset->getId() . '&fFieldId=' .  $oField->getId());
+        $this->successRedirectTo('editField', _kt('Lookups disabled'), 'fFieldsetId=' . $oFieldset->getId() . '&fFieldId=' .  $oField->getId());
         exit(0);
     }
     // }}}
@@ -388,17 +388,17 @@ class KTDocumentFieldDispatcher extends KTAdminDispatcher {
         $oField =& DocumentField::get($_REQUEST['fFieldId']);
         $aMetadata = KTUtil::arrayGet($_REQUEST, 'metadata');
         if (empty($aMetadata)) {
-            $this->errorRedirectTo('editField', _('No lookups selected'), 'fFieldsetId=' . $oFieldset->getId() . '&fFieldId=' .  $oField->getId());
+            $this->errorRedirectTo('editField', _kt('No lookups selected'), 'fFieldsetId=' . $oFieldset->getId() . '&fFieldId=' .  $oField->getId());
         }
         foreach ($_REQUEST['metadata'] as $iMetaDataId) {
             $oMetaData =& MetaData::get($iMetaDataId);
 			if (PEAR::isError($oMetadata)) {
-				$this->errorRedirectTo('editField', _('Invalid lookup selected'), 'fFieldsetId=' . $oFieldset->getId() . '&fFieldId=' .  $oField->getId());
+				$this->errorRedirectTo('editField', _kt('Invalid lookup selected'), 'fFieldsetId=' . $oFieldset->getId() . '&fFieldId=' .  $oField->getId());
 			}
             $oMetaData->setDisabled(false);
             $oMetaData->update();
         }
-        $this->successRedirectTo('editField', _('Lookups enabled'), 'fFieldsetId=' . $oFieldset->getId() . '&fFieldId=' .  $oField->getId());
+        $this->successRedirectTo('editField', _kt('Lookups enabled'), 'fFieldsetId=' . $oFieldset->getId() . '&fFieldId=' .  $oField->getId());
         exit(0);
     }
     // }}}
@@ -409,18 +409,18 @@ class KTDocumentFieldDispatcher extends KTAdminDispatcher {
         $oField =& DocumentField::get($_REQUEST['fFieldId']);
         $aMetadata = KTUtil::arrayGet($_REQUEST, 'metadata');
         if (empty($aMetadata)) {
-            $this->errorRedirectTo('editField', _('No lookups selected'), 'fFieldsetId=' . $oFieldset->getId() . '&fFieldId=' .  $oField->getId());
+            $this->errorRedirectTo('editField', _kt('No lookups selected'), 'fFieldsetId=' . $oFieldset->getId() . '&fFieldId=' .  $oField->getId());
         }
         foreach ($_REQUEST['metadata'] as $iMetaDataId) {
             $oMetaData =& MetaData::get($iMetaDataId);
 			if (PEAR::isError($oMetaData)) {
-				$this->errorRedirectTo('editField', _('Invalid lookups selected'), 'fFieldsetId=' . $oFieldset->getId() . '&fFieldId=' .  $oField->getId());
+				$this->errorRedirectTo('editField', _kt('Invalid lookups selected'), 'fFieldsetId=' . $oFieldset->getId() . '&fFieldId=' .  $oField->getId());
 			}
             $bStuck = (boolean)$oMetaData->getIsStuck();
             $oMetaData->setIsStuck(!$bStuck);
             $oMetaData->update();
         }
-        $this->successRedirectTo('editField', _('Lookup stickiness toggled'), 'fFieldsetId=' . $oFieldset->getId() . '&fFieldId=' .  $oField->getId());
+        $this->successRedirectTo('editField', _kt('Lookup stickiness toggled'), 'fFieldsetId=' . $oFieldset->getId() . '&fFieldId=' .  $oField->getId());
         exit(0);
     }
     // }}}
@@ -432,10 +432,10 @@ class KTDocumentFieldDispatcher extends KTAdminDispatcher {
         $oFieldset->setIsComplete(false);
         $res = $oFieldset->update();
         if (PEAR::isError($res) || ($res === false)) {
-            $this->errorRedirectTo('edit', _('Could not become conditional'), 'fFieldsetId=' . $oFieldset->getId());
+            $this->errorRedirectTo('edit', _kt('Could not become conditional'), 'fFieldsetId=' . $oFieldset->getId());
             exit(0);
         }
-        $this->successRedirectTo('edit', _('Became conditional'), 'fFieldsetId=' . $oFieldset->getId());
+        $this->successRedirectTo('edit', _kt('Became conditional'), 'fFieldsetId=' . $oFieldset->getId());
         exit(0);
     }
     // }}}
@@ -478,10 +478,10 @@ class KTDocumentFieldDispatcher extends KTAdminDispatcher {
         $res = $oFieldset->update();
         if (PEAR::isError($res) || ($res === false)) {
-            $this->errorRedirectTo('edit', _('Could not stop being conditional'), 'fFieldsetId=' . $oFieldset->getId());
+            $this->errorRedirectTo('edit', _kt('Could not stop being conditional'), 'fFieldsetId=' . $oFieldset->getId());
             exit(0);
         }
-        $this->successRedirectTo('edit', _('No longer conditional'), 'fFieldsetId=' . $oFieldset->getId());
+        $this->successRedirectTo('edit', _kt('No longer conditional'), 'fFieldsetId=' . $oFieldset->getId());
         exit(0);
     }
     // }}}
@@ -493,7 +493,7 @@ class KTDocumentFieldDispatcher extends KTAdminDispatcher {
             $oField =& DocumentField::get($iFieldId);
             $oField->delete();
         }
-        $this->successRedirectTo('edit', _('Fields removed'), 'fFieldsetId=' . $oFieldset->getId());
+        $this->successRedirectTo('edit', _kt('Fields removed'), 'fFieldsetId=' . $oFieldset->getId());
         exit(0);
     }
     // }}}
@@ -555,7 +555,7 @@ class KTDocumentFieldDispatcher extends KTAdminDispatcher {
         $this->aBreadcrumbs[] = array(
             'url' => $_SERVER['PHP_SELF'],
             'query' => 'action=manageConditional&fFieldsetId=' . $_REQUEST['fFieldsetId'],
-            'name' => _('Manage conditional field'),
+            'name' => _kt('Manage conditional field'),
         );
         $oTemplate->setData(array(
             'oFieldset' => $oFieldset,
@@ -578,16 +578,16 @@ class KTDocumentFieldDispatcher extends KTAdminDispatcher {
         }
         $iParentFieldId = $_REQUEST['fParentFieldId'];
         if (in_array($aParentFieldId, $aFreeFieldIds)) {
-            $this->errorRedirectTo('manageConditional', _('Field cannot be its own parent field'), 'fFieldsetId=' . $oFieldset->getId());
+            $this->errorRedirectTo('manageConditional', _kt('Field cannot be its own parent field'), 'fFieldsetId=' . $oFieldset->getId());
         }
         foreach ($aFreeFieldIds as $iChildFieldId) {
             $res = KTMetadataUtil::addFieldOrder($iParentFieldId, $iChildFieldId, $oFieldset);
             $this->oValidator->notError($res, array(
                 'redirect_to' => array('manageConditional', 'fFieldsetId=' . $oFieldset->getId()),
-                'message' => _('Error adding Fields'),
+                'message' => _kt('Error adding Fields'),
             ));
         }
-        $this->successRedirectTo('manageConditional', _('Fields ordered'), 'fFieldsetId=' . $oFieldset->getId());
+        $this->successRedirectTo('manageConditional', _kt('Fields ordered'), 'fFieldsetId=' . $oFieldset->getId());
         exit(0);
     }
     // }}}
@@ -603,9 +603,9 @@ class KTDocumentFieldDispatcher extends KTAdminDispatcher {
         $this->oValidator->notError($res, array(
             'redirect_to' => array('manageConditional', 'fFieldsetId=' . $oFieldset->getId()),
-            'message' => _('Error setting master field'),
+            'message' => _kt('Error setting master field'),
         ));
-        $this->successRedirectTo('manageConditional', _('Master field set'), 'fFieldsetId=' . $oFieldset->getId());
+        $this->successRedirectTo('manageConditional', _kt('Master field set'), 'fFieldsetId=' . $oFieldset->getId());
         exit(0);
     }
     // }}}
@@ -623,13 +623,13 @@ class KTDocumentFieldDispatcher extends KTAdminDispatcher {
         if ($res === true) {
             $oFieldset->setIsComplete(true);
             $oFieldset->update();
-            $this->successRedirectTo('manageConditional', _('Set to complete'), 'fFieldsetId=' . $oFieldset->getId());
+            $this->successRedirectTo('manageConditional', _kt('Set to complete'), 'fFieldsetId=' . $oFieldset->getId());
         }
         $oFieldset->setIsComplete(false);
         $oFieldset->update();
         // Success, as we want to save the incompleteness to the
         // database...
-        $this->successRedirectTo('manageConditional', _('Could not to complete'), 'fFieldsetId=' . $oFieldset->getId());
+        $this->successRedirectTo('manageConditional', _kt('Could not to complete'), 'fFieldsetId=' . $oFieldset->getId());
     }
     // }}}
@@ -640,9 +640,9 @@ class KTDocumentFieldDispatcher extends KTAdminDispatcher {
         $res = $oFieldset->update();
         $this->oValidator->notError($res, array(
             'redirect_to' => array('manageConditional', 'fFieldsetId=' . $oFieldset->getId()),
-            'message' => _('Error changing to simple'),
+            'message' => _kt('Error changing to simple'),
         ));
-        $this->successRedirectTo('manageConditional', _('Changed to simple'), 'fFieldsetId=' . $oFieldset->getId());
+        $this->successRedirectTo('manageConditional', _kt('Changed to simple'), 'fFieldsetId=' . $oFieldset->getId());
     }
     // }}}
@@ -653,9 +653,9 @@ class KTDocumentFieldDispatcher extends KTAdminDispatcher {
         $res = $oFieldset->update();
         $this->oValidator->notError($res, array(
             'redirect_to' => array('manageConditional', 'fFieldsetId=' . $oFieldset->getId()),
-            'message' => _('Error changing to complex'),
+            'message' => _kt('Error changing to complex'),
         ));
-        $this->successRedirectTo('manageConditional', _('Changed to complex'), 'fFieldsetId=' . $oFieldset->getId());
+        $this->successRedirectTo('manageConditional', _kt('Changed to complex'), 'fFieldsetId=' . $oFieldset->getId());
     }
     // }}}
@@ -665,9 +665,9 @@ class KTDocumentFieldDispatcher extends KTAdminDispatcher {
         $res = $oFieldset->delete();
         $this->oValidator->notErrorFalse($res, array(
             'redirect_to' => array('main', ''),
-            'message' => _('Could not delete fieldset'),
+            'message' => _kt('Could not delete fieldset'),
         ));
-        $this->successRedirectToMain(_('Fieldset deleted'));
+        $this->successRedirectToMain(_kt('Fieldset deleted'));
     }
     // }}}
@@ -682,9 +682,9 @@ class KTDocumentFieldDispatcher extends KTAdminDispatcher {
         $subaction = KTUtil::arrayGet($_REQUEST, 'subaction');
         // validate
-        if (empty($field_id)) { return $this->errorRedirectToMain(_("Must select a field to edit.")); }
+        if (empty($field_id)) { return $this->errorRedirectToMain(_kt("Must select a field to edit.")); }
         $oField =& DocumentField::get($field_id);
-        if (PEAR::isError($oField)) { return $this->errorRedirectToMain(_("Invalid field.")); }
+        if (PEAR::isError($oField)) { return $this->errorRedirectToMain(_kt("Invalid field.")); }
         $aErrorOptions = array(
             'redirect_to' => array('editTree', sprintf('field_id=%d', $field_id)),
@@ -698,30 +698,30 @@ class KTDocumentFieldDispatcher extends KTAdminDispatcher {
         if ($subaction !== null) {
             $target = 'editTree';
-            $msg = _('Changes saved.');
+            $msg = _kt('Changes saved.');
             if ($subaction === "addCategory") {
                 $new_category = KTUtil::arrayGet($_REQUEST, 'category_name');
-                if (empty($new_category)) { return $this->errorRedirectTo("editTree", _("Must enter a name for the new category."), array("field_id" => $field_id)); }
+                if (empty($new_category)) { return $this->errorRedirectTo("editTree", _kt("Must enter a name for the new category."), array("field_id" => $field_id)); }
                 else { $this->subact_addCategory($field_id, $current_node, $new_category, $fieldTree);}
-                $msg = _('Category added'). ': ' . $new_category;
+                $msg = _kt('Category added'). ': ' . $new_category;
             }
             if ($subaction === "deleteCategory") {
                 $this->subact_deleteCategory($fieldTree, $current_node);
                 $current_node = 0;      // clear out, and don't try and render the newly deleted category.
-                $msg = _('Category removed.');
+                $msg = _kt('Category removed.');
             }
             if ($subaction === "linkKeywords") {
                 $keywords = KTUtil::arrayGet($_REQUEST, 'keywordsToAdd');
-                $aErrorOptions['message'] = _("No keywords selected");
+                $aErrorOptions['message'] = _kt("No keywords selected");
                 $this->oValidator->notEmpty($keywords, $aErrorOptions);
                 $this->subact_linkKeywords($fieldTree, $current_node, $keywords);
                 $current_node = 0;      // clear out, and don't try and render the newly deleted category.
-                $msg = _('Keywords added to category.');
+                $msg = _kt('Keywords added to category.');
             }
             if ($subaction === "unlinkKeyword") {
                 $keyword = KTUtil::arrayGet($_REQUEST, 'keyword_id');
                 $this->subact_unlinkKeyword($fieldTree, $keyword);
-                $msg = _('Keyword moved to base of tree.');
+                $msg = _kt('Keyword moved to base of tree.');
             }
             // now redirect
             $query = 'field_id=' . $field_id;
@@ -729,7 +729,7 @@ class KTDocumentFieldDispatcher extends KTAdminDispatcher {
         }
         if ($fieldTree->root === null) {
-            return $this->errorRedirectToMain(_("Error building tree. Is this a valid tree-lookup field?"));
+            return $this->errorRedirectToMain(_kt("Error building tree. Is this a valid tree-lookup field?"));
         }
         // FIXME extract this from MDTree (helper method?)
@@ -740,7 +740,7 @@ class KTDocumentFieldDispatcher extends KTAdminDispatcher {
         $oTemplate = $oTemplating->loadTemplate("ktcore/edit_lookuptrees");
         $renderedTree = $this->_evilTreeRenderer($fieldTree);
-        $this->oPage->setTitle(_('Edit Lookup Tree'));
+        $this->oPage->setTitle(_kt('Edit Lookup Tree'));
         //$this->oPage->requireJSResource('thirdparty/js/MochiKit/Base.js');
@@ -38,15 +38,15 @@ class KTDocLinkAdminDispatcher extends KTAdminDispatcher {
     }
     function do_main() {
-        $this->aBreadcrumbs[] = array('name' => _('Document Links'));
-        $this->oPage->setBreadcrumbDetails(_("view"));
+        $this->aBreadcrumbs[] = array('name' => _kt('Document Links'));
+        $this->oPage->setBreadcrumbDetails(_kt("view"));
         $aLinkTypes =& LinkType::getList('id > 0');
         $addLinkForm = array();
         // KTBaseWidget($sLabel, $sDescription, $sName, $value, $oPage, $bRequired = false, $sId = null, $aErrors = null, $aOptions = null) 
-        $addLinkForm[] = new KTStringWidget('Name',_('A short, human-readable name for the link type.'), 'fName', null, $this->oPage, true);
-        $addLinkForm[] = new KTStringWidget('Description',_('A short brief description of the relationship implied by this link type.'), 'fDescription', null, $this->oPage, true);
+        $addLinkForm[] = new KTStringWidget('Name', _kt('A short, human-readable name for the link type.'), 'fName', null, $this->oPage, true);
+        $addLinkForm[] = new KTStringWidget('Description', _kt('A short brief description of the relationship implied by this link type.'), 'fDescription', null, $this->oPage, true);
         $oTemplating =& KTTemplating::getSingleton();
@@ -62,20 +62,20 @@ class KTDocLinkAdminDispatcher extends KTAdminDispatcher {
     function do_edit() {
         $link_id = KTUtil::arrayGet($_REQUEST, 'fLinkTypeId', null, false);
         if ($link_id === null) {
-           $this->errorRedirectToMain(_("Please specify a link type to edit."));
+           $this->errorRedirectToMain(_kt("Please specify a link type to edit."));
         }
         $oLinkType =& LinkType::get($link_id);
-        $this->aBreadcrumbs[] = array('name' => _('Document Links'));
-        $this->oPage->setBreadcrumbDetails(_("view"));
+        $this->aBreadcrumbs[] = array('name' => _kt('Document Links'));
+        $this->oPage->setBreadcrumbDetails(_kt("view"));
         $aLinkTypes =& LinkType::getList('id > 0');
         $editLinkForm = array();
         // KTBaseWidget($sLabel, $sDescription, $sName, $value, $oPage, $bRequired = false, $sId = null, $aErrors = null, $aOptions = null) 
-        $editLinkForm[] = new KTStringWidget('Name',_('A short, human-readable name for the link type.'), 'fName', $oLinkType->getName(), $this->oPage, true);
-        $editLinkForm[] = new KTStringWidget('Description',_('A short brief description of the relationship implied by this link type.'), 'fDescription', $oLinkType->getDescription(), $this->oPage, true);
+        $editLinkForm[] = new KTStringWidget('Name', _kt('A short, human-readable name for the link type.'), 'fName', $oLinkType->getName(), $this->oPage, true);
+        $editLinkForm[] = new KTStringWidget('Description', _kt('A short brief description of the relationship implied by this link type.'), 'fDescription', $oLinkType->getDescription(), $this->oPage, true);
         $oTemplating =& KTTemplating::getSingleton();
@@ -93,14 +93,14 @@ class KTDocLinkAdminDispatcher extends KTAdminDispatcher {
     function do_update() {
         $link_id = KTUtil::arrayGet($_REQUEST, 'fLinkTypeId', null, false);
         if ($link_id === null) {
-            $this->errorRedirectToMain(_("Please specify a link type to update."));
+            $this->errorRedirectToMain(_kt("Please specify a link type to update."));
         }
         $name = KTUtil::arrayGet($_REQUEST, 'fName');        
         $description = KTUtil::arrayGet($_REQUEST, 'fDescription');
         if (empty($name) || empty($description)) { // for bonus points, make this go to edit, and edit catch it.
-            $this->errorRedirectToMain(_('Please enter information for all fields.'));
+            $this->errorRedirectToMain(_kt('Please enter information for all fields.'));
         }
         $oLinkType =& LinkType::get($link_id);
@@ -109,7 +109,7 @@ class KTDocLinkAdminDispatcher extends KTAdminDispatcher {
         $oLinkType->setDescription($description);
         $oLinkType->update();
-        $this->successRedirectToMain(_("Link Type updated."));
+        $this->successRedirectToMain(_kt("Link Type updated."));
     }
     function do_add() {
@@ -117,7 +117,7 @@ class KTDocLinkAdminDispatcher extends KTAdminDispatcher {
         $description = KTUtil::arrayGet($_REQUEST, 'fDescription');
         if (empty($name) || empty($description)) {
-            $this->errorRedirectToMain(_('Please enter information for all fields.'));
+            $this->errorRedirectToMain(_kt('Please enter information for all fields.'));
         }
         $oLinkType = new LinkType($name, $description);
@@ -125,14 +125,14 @@ class KTDocLinkAdminDispatcher extends KTAdminDispatcher {
         //$oLinkType =& LinkType::createFromArray(array("sName" => $name, "sDescription" => $description));
-        $this->successRedirectToMain(_("Link Type created."));
+        $this->successRedirectToMain(_kt("Link Type created."));
     }
     function do_delete() {
         $types_to_delete = KTUtil::arrayGet($_REQUEST, 'fLinksToDelete');         // is an array.
         if (empty($types_to_delete)) {
-            $this->errorRedirectToMain(_('Please select one or more link types to delete.'));
+            $this->errorRedirectToMain(_kt('Please select one or more link types to delete.'));
         }
         $count = 0;
@@ -149,7 +149,7 @@ class KTDocLinkAdminDispatcher extends KTAdminDispatcher {
         //$oLinkType =& LinkType::createFromArray(array("sName" => $name, "sDescription" => $description));
-        $this->successRedirectToMain($count . " " . _("Link types deleted."));
+        $this->successRedirectToMain($count . " " . _kt("Link types deleted."));
     }
@@ -41,12 +41,12 @@ class KTDocumentTypeDispatcher extends KTAdminDispatcher {
    // Breadcrumbs base - added to in methods
     function do_main () {
-        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _('Document Type Management'));
+        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _kt('Document Type Management'));
         $this->oPage->setBreadcrumbDetails('view types');
         $addFields = array();
-        $addFields[] = new KTStringWidget(_('Name'),_('A short, human-readable name for the document type.'), 'name', null, $this->oPage, true);
+        $addFields[] = new KTStringWidget(_kt('Name'), _('A short, human-readable name for the document type.'), 'name', null, $this->oPage, true);
         $oTemplating =& KTTemplating::getSingleton();
         $oTemplate = $oTemplating->loadTemplate('ktcore/documenttypes/list');
@@ -65,26 +65,26 @@ class KTDocumentTypeDispatcher extends KTAdminDispatcher {
         ));
         if (PEAR::isError($oDocumentType)) {
-            $this->errorRedirectToMain(_('Could not create document type'));
+            $this->errorRedirectToMain(_kt('Could not create document type'));
             exit(0);
         }
-        $this->successRedirectTo('edit', _('Document type created'), 'fDocumentTypeId=' . $oDocumentType->getId());
+        $this->successRedirectTo('edit', _kt('Document type created'), 'fDocumentTypeId=' . $oDocumentType->getId());
         exit(0);
     }
     function do_delete() {
         $oDocumentType =& DocumentType::get($_REQUEST['fDocumentTypeId']);
         if ($oDocumentType->isUsed()) {
-            $this->errorRedirectToMain(_('Document type still in use, could not be deleted'));
+            $this->errorRedirectToMain(_kt('Document type still in use, could not be deleted'));
             exit(0);
         }
         $res = $oDocumentType->delete();
         if (PEAR::isError($res) || ($res === false)) {
-            $this->errorRedirectToMain(_('Document type could not be deleted'));
+            $this->errorRedirectToMain(_kt('Document type could not be deleted'));
             exit(0);
         }
-        $this->successRedirectToMain(_('Document type deleted'));
+        $this->successRedirectToMain(_kt('Document type deleted'));
         exit(0);
     }
@@ -95,11 +95,11 @@ class KTDocumentTypeDispatcher extends KTAdminDispatcher {
         $res = $oDocumentType->update();
         if (PEAR::isError($res) || ($res === false)) {
-            $this->errorRedirectTo('main', _('Could not disable document type'), 'fDocumentTypeId=' . $oDocumentType->getId());
+            $this->errorRedirectTo('main', _kt('Could not disable document type'), 'fDocumentTypeId=' . $oDocumentType->getId());
             exit(0);
         }
-        $this->successRedirectToMain(_('Document type disabled'));
+        $this->successRedirectToMain(_kt('Document type disabled'));
         exit(0);
     }
@@ -110,17 +110,17 @@ class KTDocumentTypeDispatcher extends KTAdminDispatcher {
         $res = $oDocumentType->update();
         if (PEAR::isError($res) || ($res === false)) {
-            $this->errorRedirectTo('main', _('Could not enable document type'), 'fDocumentTypeId=' . $oDocumentType->getId());
+            $this->errorRedirectTo('main', _kt('Could not enable document type'), 'fDocumentTypeId=' . $oDocumentType->getId());
             exit(0);
         }
-        $this->successRedirectToMain(_('Document type enabled'));
+        $this->successRedirectToMain(_kt('Document type enabled'));
         exit(0);
     }
     function do_edit() {
-        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _('Document Type Management'));
+        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _kt('Document Type Management'));
         $oTemplating =& KTTemplating::getSingleton();
         $oTemplate = $oTemplating->loadTemplate('ktcore/documenttypes/edit');
@@ -142,13 +142,13 @@ class KTDocumentTypeDispatcher extends KTAdminDispatcher {
         $aOptions['vocab'] = $vocab;
         $aOptions['multi'] = true;
         $aOptions['size'] = 5;
-        $availableTypesWidget =& new KTLookupWidget(_('Available Fieldsets'),_('Select the fieldsets which you wish to associate with this document type'), 'fieldsetid[]', null, $this->oPage, true,
+        $availableTypesWidget =& new KTLookupWidget(_kt('Available Fieldsets'), _('Select the fieldsets which you wish to associate with this document type'), 'fieldsetid[]', null, $this->oPage, true,
             null, null, $aOptions);
         $this->aBreadcrumbs[] = array(
             'name' => $oDocumentType->getName(),
         );        
-        $this->oPage->setBreadcrumbDetails(_('edit'));
+        $this->oPage->setBreadcrumbDetails(_kt('edit'));
         $oTemplate->setData(array(
             'oDocumentType' => $oDocumentType,
@@ -173,10 +173,10 @@ class KTDocumentTypeDispatcher extends KTAdminDispatcher {
         $res = $oDocumentType->update();
         if (PEAR::isError($res) || ($res === false)) {
-            $this->errorRedirectTo('edit', _('Could not save document type changes'), 'fDocumentTypeId=' . $oDocumentType->getId());
+            $this->errorRedirectTo('edit', _kt('Could not save document type changes'), 'fDocumentTypeId=' . $oDocumentType->getId());
             exit(0);
         }
-        $this->successRedirectTo('edit', _('Name changed.'), 'fDocumentTypeId=' . $oDocumentType->getId());
+        $this->successRedirectTo('edit', _kt('Name changed.'), 'fDocumentTypeId=' . $oDocumentType->getId());
         exit(0);
     }
@@ -185,10 +185,10 @@ class KTDocumentTypeDispatcher extends KTAdminDispatcher {
         $res = KTMetadataUtil::removeSetsFromDocumentType($oDocumentType, $_REQUEST['fieldsetid']);
         if (PEAR::isError($res)) {
             var_dump($res);
-            $this->errorRedirectTo('edit', _('Changes not saved'), 'fDocumentTypeId=' . $oDocumentType->getId());
+            $this->errorRedirectTo('edit', _kt('Changes not saved'), 'fDocumentTypeId=' . $oDocumentType->getId());
             exit(0);
         }
-        $this->successRedirectTo('edit', _('Fieldsets removed.'), 'fDocumentTypeId=' . $oDocumentType->getId());
+        $this->successRedirectTo('edit', _kt('Fieldsets removed.'), 'fDocumentTypeId=' . $oDocumentType->getId());
         exit(0);
     }
@@ -197,17 +197,17 @@ class KTDocumentTypeDispatcher extends KTAdminDispatcher {
         $aFieldsetId = $_REQUEST['fieldsetid'];
         if(!count($aFieldsetId)) {
-            $this->errorRedirectTo('edit', _('You must select at least one fieldset'), 'fDocumentTypeId=' . $oDocumentType->getId());
+            $this->errorRedirectTo('edit', _kt('You must select at least one fieldset'), 'fDocumentTypeId=' . $oDocumentType->getId());
             exit(0);
         }
         $res = KTMetadataUtil::addSetsToDocumentType($oDocumentType, $aFieldsetId);
         if (PEAR::isError($res)) {
             var_dump($res);
-            $this->errorRedirectTo('edit', _('Changes not saved'), 'fDocumentTypeId=' . $oDocumentType->getId());
+            $this->errorRedirectTo('edit', _kt('Changes not saved'), 'fDocumentTypeId=' . $oDocumentType->getId());
             exit(0);
         }
-        $this->successRedirectTo('edit', _('Fieldsets associated.'), 'fDocumentTypeId=' . $oDocumentType->getId());
+        $this->successRedirectTo('edit', _kt('Fieldsets associated.'), 'fDocumentTypeId=' . $oDocumentType->getId());
         exit(0);
     }
 }
@@ -43,9 +43,9 @@ require_once(KT_LIB_DIR . &quot;/authentication/builtinauthenticationprovider.inc.php
 class KTGroupAdminDispatcher extends KTAdminDispatcher {
     // {{{ do_main
     function do_main() {
-		$this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _('Group Management'));
-		$this->oPage->setBreadcrumbDetails(_('select a group'));
-		$this->oPage->setTitle(_("Group Management"));
+		$this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _kt('Group Management'));
+		$this->oPage->setBreadcrumbDetails(_kt('select a group'));
+		$this->oPage->setTitle(_kt("Group Management"));
 		$KTConfig =& KTConfig::getSingleton();
         $alwaysAll = $KTConfig->get("alwaysShowAll");
@@ -61,7 +61,7 @@ class KTGroupAdminDispatcher extends KTAdminDispatcher {
         }
 		$search_fields = array();
-		$search_fields[] =  new KTStringWidget(_('Group Name'),_("Enter part of the group's name.  e.g. <strong>ad</strong> will match <strong>administrators</strong>."), 'name', $name, $this->oPage, true);
+		$search_fields[] =  new KTStringWidget(_kt('Group Name'), _("Enter part of the group's name.  e.g. <strong>ad</strong> will match <strong>administrators</strong>."), 'name', $name, $this->oPage, true);
 		if (!empty($name)) {
 			$search_results =& Group::getList('WHERE name LIKE \'%' . DBUtil::escapeSimple($name) . '%\'');
@@ -85,21 +85,21 @@ class KTGroupAdminDispatcher extends KTAdminDispatcher {
     // {{{ do_editGroup
     function do_editGroup() {
-		$this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _('Group Management'));
-		$this->oPage->setBreadcrumbDetails(_('edit group'));
+		$this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _kt('Group Management'));
+		$this->oPage->setBreadcrumbDetails(_kt('edit group'));
 		$group_id = KTUtil::arrayGet($_REQUEST, 'group_id');
 		$oGroup = Group::get($group_id);
 		if (PEAR::isError($oGroup) || $oGroup == false) {
-		    $this->errorRedirectToMain(_('Please select a valid group.'));
+		    $this->errorRedirectToMain(_kt('Please select a valid group.'));
 		}
-		$this->oPage->setTitle(sprintf(_("Edit Group (%s)"), $oGroup->getName()));
+		$this->oPage->setTitle(sprintf(_kt("Edit Group (%s)"), $oGroup->getName()));
 		$edit_fields = array();
-		$edit_fields[] =  new KTStringWidget(_('Group Name'),_('A short name for the group.  e.g. <strong>administrators</strong>.'), 'group_name', $oGroup->getName(), $this->oPage, true);
-		$edit_fields[] =  new KTCheckboxWidget(_('Unit Administrators'),_('Should all the members of this group be given <strong>unit</strong> administration privileges?'), 'is_unitadmin', $oGroup->getUnitAdmin(), $this->oPage, false);
-		$edit_fields[] =  new KTCheckboxWidget(_('System Administrators'),_('Should all the members of this group be given <strong>system</strong> administration privileges?'), 'is_sysadmin', $oGroup->getSysAdmin(), $this->oPage, false);
+		$edit_fields[] =  new KTStringWidget(_kt('Group Name'), _('A short name for the group.  e.g. <strong>administrators</strong>.'), 'group_name', $oGroup->getName(), $this->oPage, true);
+		$edit_fields[] =  new KTCheckboxWidget(_kt('Unit Administrators'), _('Should all the members of this group be given <strong>unit</strong> administration privileges?'), 'is_unitadmin', $oGroup->getUnitAdmin(), $this->oPage, false);
+		$edit_fields[] =  new KTCheckboxWidget(_kt('System Administrators'), _('Should all the members of this group be given <strong>system</strong> administration privileges?'), 'is_sysadmin', $oGroup->getSysAdmin(), $this->oPage, false);
 		// grab all units.
 		$unitId = $oGroup->getUnitId();
@@ -107,11 +107,11 @@ class KTGroupAdminDispatcher extends KTAdminDispatcher {
 		$oUnits = Unit::getList();
 		$vocab = array();
-		$vocab[0] = _('No Unit');
+		$vocab[0] = _kt('No Unit');
 		foreach ($oUnits as $oUnit) { $vocab[$oUnit->getID()] = $oUnit->getName(); } 
 		$aOptions = array('vocab' => $vocab);
-		$edit_fields[] =  new KTLookupWidget(_('Unit'),_('Which Unit is this group part of?'), 'unit_id', $unitId, $this->oPage, false, null, null, $aOptions);
+		$edit_fields[] =  new KTLookupWidget(_kt('Unit'), _('Which Unit is this group part of?'), 'unit_id', $unitId, $this->oPage, false, null, null, $aOptions);
 		$oTemplating =& KTTemplating::getSingleton();        
 		$oTemplate = $oTemplating->loadTemplate("ktcore/principals/editgroup");
@@ -129,10 +129,10 @@ class KTGroupAdminDispatcher extends KTAdminDispatcher {
 		$group_id = KTUtil::arrayGet($_REQUEST, 'group_id');
 		$oGroup = Group::get($group_id);
 		if (PEAR::isError($oGroup) || $oGroup == false) {
-		    $this->errorRedirectToMain(_('Please select a valid group.'));
+		    $this->errorRedirectToMain(_kt('Please select a valid group.'));
 		}
 		$group_name = KTUtil::arrayGet($_REQUEST, 'group_name');
-		if (empty($group_name)) { $this->errorRedirectToMain(_('Please specify a name for the group.')); }
+		if (empty($group_name)) { $this->errorRedirectToMain(_kt('Please specify a name for the group.')); }
 		$is_unitadmin = KTUtil::arrayGet($_REQUEST, 'is_unitadmin', false);
 		if ($is_unitadmin !== false) { $is_unitadmin = true; }
 		$is_sysadmin = KTUtil::arrayGet($_REQUEST, 'is_sysadmin', false);
@@ -152,10 +152,10 @@ class KTGroupAdminDispatcher extends KTAdminDispatcher {
 		}
 		$res = $oGroup->update();
-		if (($res == false) || (PEAR::isError($res))) { return $this->errorRedirectToMain(_('Failed to set group details.')); }
+		if (($res == false) || (PEAR::isError($res))) { return $this->errorRedirectToMain(_kt('Failed to set group details.')); }
 		$this->commitTransaction();
-		$this->successRedirectToMain(_('Group details updated.'));
+		$this->successRedirectToMain(_kt('Group details updated.'));
 	}
     // }}}
@@ -186,13 +186,13 @@ class KTGroupAdminDispatcher extends KTAdminDispatcher {
         $group_id = KTUtil::arrayGet($_REQUEST, 'group_id');
         $oGroup = Group::get($group_id);
         if ((PEAR::isError($oGroup)) || ($oGroup === false)) {
-            $this->errorRedirectToMain(_('No such group.'));
+            $this->errorRedirectToMain(_kt('No such group.'));
         }
-		$this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _('Group Management'));
+		$this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _kt('Group Management'));
         $this->aBreadcrumbs[] = array('name' => $oGroup->getName());
-        $this->oPage->setBreadcrumbDetails(_('manage members'));
-        $this->oPage->setTitle(sprintf(_('Manage members of group %s'), $oGroup->getName()));
+        $this->oPage->setBreadcrumbDetails(_kt('manage members'));
+        $this->oPage->setTitle(sprintf(_kt('Manage members of group %s'), $oGroup->getName()));
         $iSourceId = $oGroup->getAuthenticationSourceId();
         if (!empty($iSourceId)) {
@@ -243,7 +243,7 @@ class KTGroupAdminDispatcher extends KTAdminDispatcher {
         $group_id = KTUtil::arrayGet($_REQUEST, 'group_id');
         $oGroup = Group::get($group_id);
         if ((PEAR::isError($oGroup)) || ($oGroup === false)) {
-            $this->errorRedirectToMain(_('No such group.'));
+            $this->errorRedirectToMain(_kt('No such group.'));
         }
         $userAdded = KTUtil::arrayGet($_REQUEST, 'userAdded','');
@@ -270,7 +270,7 @@ class KTGroupAdminDispatcher extends KTAdminDispatcher {
 				}				
                 $res = $oGroup->addMember($oUser);
                 if (PEAR::isError($res) || $res == false) {
-                    $this->errorRedirectToMain(sprintf(_('Unable to add user "%s" to group "%s"'), $oUser->getName(), $oGroup->getName()));
+                    $this->errorRedirectToMain(sprintf(_kt('Unable to add user "%s" to group "%s"'), $oUser->getName(), $oGroup->getName()));
                 } else { $usersAdded[] = $oUser->getName(); }
             }
         }
@@ -281,7 +281,7 @@ class KTGroupAdminDispatcher extends KTAdminDispatcher {
                 $oUser = User::get($iUserId);
                 $res = $oGroup->removeMember($oUser);
                 if (PEAR::isError($res) || $res == false) {
-                    $this->errorRedirectToMain(sprintf(_('Unable to remove user "%s" from group "%s"'), $oUser->getName(), $oGroup->getName()));
+                    $this->errorRedirectToMain(sprintf(_kt('Unable to remove user "%s" from group "%s"'), $oUser->getName(), $oGroup->getName()));
                 } else { 
 				    $usersRemoved[] = $oUser->getName(); 
 					$memberReason = GroupUtil::getMembershipReason($oUser, $oGroup);
@@ -294,20 +294,20 @@ class KTGroupAdminDispatcher extends KTAdminDispatcher {
         }        
 		if (!empty($addWarnings)) {
-		    $sWarnStr = _('Warning:  some users were already members of some subgroups') . ' &mdash; ';
+		    $sWarnStr = _kt('Warning:  some users were already members of some subgroups') . ' &mdash; ';
 			$sWarnStr .= implode(', ', $addWarnings);
 			$_SESSION['KTInfoMessage'][] = $sWarnStr;
 		}
 		if (!empty($removeWarnings)) {
-		    $sWarnStr = _('Warning:  some users are still members of some subgroups') . ' &mdash; ';
+		    $sWarnStr = _kt('Warning:  some users are still members of some subgroups') . ' &mdash; ';
 			$sWarnStr .= implode(', ', $removeWarnings);
 			$_SESSION['KTInfoMessage'][] = $sWarnStr;
 		}        
         $msg = '';
-        if (!empty($usersAdded)) { $msg .= ' ' . _('Added') . ': ' . join(', ', $usersAdded) . ', <br />'; }
-        if (!empty($usersRemoved)) { $msg .= ' ' . _('Removed') . ': ' . join(', ',$usersRemoved) . '.'; }
+        if (!empty($usersAdded)) { $msg .= ' ' . _kt('Added') . ': ' . join(', ', $usersAdded) . ', <br />'; }
+        if (!empty($usersRemoved)) { $msg .= ' ' . _kt('Removed') . ': ' . join(', ',$usersRemoved) . '.'; }
         $this->commitTransaction();
         $this->successRedirectToMain($msg);
@@ -320,12 +320,12 @@ class KTGroupAdminDispatcher extends KTAdminDispatcher {
         $group_id = KTUtil::arrayGet($_REQUEST, 'group_id');
         $oGroup = Group::get($group_id);
         if ((PEAR::isError($oGroup)) || ($oGroup === false)) {
-            $this->errorRedirectToMain(_('No such group.'));
+            $this->errorRedirectToMain(_kt('No such group.'));
         }
         $this->aBreadcrumbs[] = array('name' => $oGroup->getName());
-        $this->oPage->setBreadcrumbDetails(_('manage members'));
-        $this->oPage->setTitle(sprintf(_('Manage members of %s'), $oGroup->getName()));
+        $this->oPage->setBreadcrumbDetails(_kt('manage members'));
+        $this->oPage->setTitle(sprintf(_kt('Manage members of %s'), $oGroup->getName()));
         // FIXME replace OptionTransfer.js.  me no-likey.
@@ -409,7 +409,7 @@ class KTGroupAdminDispatcher extends KTAdminDispatcher {
                 $oMemberGroup = Group::get($iMemberGroupID);
                 $res = $oGroup->addMemberGroup($oMemberGroup);
                 if (PEAR::isError($res)) {
-                    $this->errorRedirectToMain(sprintf(_("Failed to add %s to %s"), $oMemberGroup->getName(), $oGroup->getName()));
+                    $this->errorRedirectToMain(sprintf(_kt("Failed to add %s to %s"), $oMemberGroup->getName(), $oGroup->getName()));
 					exit(0);
                 } else { $groupsAdded[] = $oMemberGroup->getName(); }
             }
@@ -420,15 +420,15 @@ class KTGroupAdminDispatcher extends KTAdminDispatcher {
                 $oMemberGroup = Group::get($iMemberGroupID);
                 $res = $oGroup->removeMemberGroup($oMemberGroup);
                 if (PEAR::isError($res)) {
-                    $this->errorRedirectToMain(sprintf(_("Failed to remove %s from %s"), $oMemberGroup->getName(), $oGroup->getName()));
+                    $this->errorRedirectToMain(sprintf(_kt("Failed to remove %s from %s"), $oMemberGroup->getName(), $oGroup->getName()));
 					exit(0);
                 } else { $groupsRemoved[] = $oMemberGroup->getName(); }
             }
         }
         $msg = '';
-        if (!empty($groupsAdded)) { $msg .= ' ' . _('Added') . ': ' . join(', ', $groupsAdded) . ', <br />'; }
-        if (!empty($groupsRemoved)) { $msg .= ' '. _('Removed'). ': ' . join(', ',$groupsRemoved) . '.'; }
+        if (!empty($groupsAdded)) { $msg .= ' ' . _kt('Added') . ': ' . join(', ', $groupsAdded) . ', <br />'; }
+        if (!empty($groupsRemoved)) { $msg .= ' '. _kt('Removed'). ': ' . join(', ',$groupsRemoved) . '.'; }
         $this->commitTransaction();
@@ -438,25 +438,25 @@ class KTGroupAdminDispatcher extends KTAdminDispatcher {
     // {{{ do_addGroup
     function do_addGroup() {
-		$this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _('Group Management'));
-		$this->oPage->setBreadcrumbDetails(_('Add a new group'));
+		$this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _kt('Group Management'));
+		$this->oPage->setBreadcrumbDetails(_kt('Add a new group'));
-		$this->oPage->setTitle(_("Add a new group"));
+		$this->oPage->setTitle(_kt("Add a new group"));
 		$edit_fields = array();
-		$add_fields[] =  new KTStringWidget(_('Group Name'),_('A short name for the group.  e.g. <strong>administrators</strong>.'), 'group_name', null, $this->oPage, true);
-		$add_fields[] =  new KTCheckboxWidget(_('Unit Administrators'),_('Should all the members of this group be given <strong>unit</strong> administration privileges?'), 'is_unitadmin', false, $this->oPage, false);
-		$add_fields[] =  new KTCheckboxWidget(_('System Administrators'),_('Should all the members of this group be given <strong>system</strong> administration privileges?'), 'is_sysadmin', false, $this->oPage, false);
+		$add_fields[] =  new KTStringWidget(_kt('Group Name'), _('A short name for the group.  e.g. <strong>administrators</strong>.'), 'group_name', null, $this->oPage, true);
+		$add_fields[] =  new KTCheckboxWidget(_kt('Unit Administrators'), _('Should all the members of this group be given <strong>unit</strong> administration privileges?'), 'is_unitadmin', false, $this->oPage, false);
+		$add_fields[] =  new KTCheckboxWidget(_kt('System Administrators'), _('Should all the members of this group be given <strong>system</strong> administration privileges?'), 'is_sysadmin', false, $this->oPage, false);
 		// grab all units.
 		$oUnits = Unit::getList();
 		$vocab = array();
-		$vocab[0] = _('No Unit');
+		$vocab[0] = _kt('No Unit');
 		foreach ($oUnits as $oUnit) { $vocab[$oUnit->getID()] = $oUnit->getName(); } 
 		$aOptions = array('vocab' => $vocab);
-		$add_fields[] =  new KTLookupWidget(_('Unit'),_('Which Unit is this group part of?'), 'unit_id', 0, $this->oPage, false, null, null, $aOptions);
+		$add_fields[] =  new KTLookupWidget(_kt('Unit'), _('Which Unit is this group part of?'), 'unit_id', 0, $this->oPage, false, null, null, $aOptions);
         $aAuthenticationSources = array();
         $aAllAuthenticationSources =& KTAuthenticationSource::getList();
@@ -484,7 +484,7 @@ class KTGroupAdminDispatcher extends KTAdminDispatcher {
 	function do_createGroup() {
 		$group_name = KTUtil::arrayGet($_REQUEST, 'group_name');
-		if (empty($group_name)) { $this->errorRedirectToMain(_('Please specify a name for the group.')); }
+		if (empty($group_name)) { $this->errorRedirectToMain(_kt('Please specify a name for the group.')); }
 		$is_unitadmin = KTUtil::arrayGet($_REQUEST, 'is_unitadmin', false);
 		if ($is_unitadmin !== false) { $is_unitadmin = true; }
 		$is_sysadmin = KTUtil::arrayGet($_REQUEST, 'is_sysadmin', false);
@@ -503,7 +503,7 @@ class KTGroupAdminDispatcher extends KTAdminDispatcher {
 		//if (($res == false) || (PEAR::isError($res))) { return $this->errorRedirectToMain('Failed to create group "' . $group_name . '"'); }
 		// do i need to "create"
 		$this->commitTransaction();
-		$this->successRedirectToMain(sprintf(_('Group "%s" created.'), $group_name));
+		$this->successRedirectToMain(sprintf(_kt('Group "%s" created.'), $group_name));
 	}
     // }}}
@@ -516,7 +516,7 @@ class KTGroupAdminDispatcher extends KTAdminDispatcher {
         $sGroupName = $oGroup->getName();
         $res = $oGroup->delete();
         $this->oValidator->notError($res, $aErrorOptions);
-        $this->successRedirectToMain(sprintf(_('Group "%s" deleted.'), $sGroupName));
+        $this->successRedirectToMain(sprintf(_kt('Group "%s" deleted.'), $sGroupName));
     }
     // }}}
@@ -529,11 +529,11 @@ class KTGroupAdminDispatcher extends KTAdminDispatcher {
         $oRegistry =& KTAuthenticationProviderRegistry::getSingleton();
         $oProvider =& $oRegistry->getAuthenticationProvider($sProvider);
-        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _('Group Management'));
-        $this->aBreadcrumbs[] = array('url' => KTUtil::addQueryStringSelf('action=addGroup'), 'name' => _('add a new group'));
+        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _kt('Group Management'));
+        $this->aBreadcrumbs[] = array('url' => KTUtil::addQueryStringSelf('action=addGroup'), 'name' => _kt('add a new group'));
         $oProvider->aBreadcrumbs = $this->aBreadcrumbs;
         $oProvider->oPage->setBreadcrumbDetails($oSource->getName());
-        $oProvider->oPage->setTitle(_("Modify Group Details"));
+        $oProvider->oPage->setTitle(_kt("Modify Group Details"));
         $oProvider->dispatch();
         exit(0);
@@ -545,7 +545,7 @@ class KTGroupAdminDispatcher extends KTAdminDispatcher {
 		$aGroups = $oGroup->getMemberGroups();
 		$MAX_GROUPS = 6;
 		$add_elipsis = false;
-		if (count($aGroups) == 0) { return _('Group currently has no subgroups.'); }
+		if (count($aGroups) == 0) { return _kt('Group currently has no subgroups.'); }
 		if (count($aGroups) > $MAX_GROUPS) { 
 		    $aGroups = array_slice($aGroups, 0, $MAX_GROUPS); 
 			$add_elipsis = true;
@@ -45,8 +45,8 @@ class ManageConditionalDispatcher extends KTAdminDispatcher {
         global $default;
         $this->ru = $default->rootUrl;
         // this is not useful:  we _still_ don't chain through the right dispatcher (!)
-        $this->aBreadcrumbs[] = array('url' => KTUtil::ktLink('/admin.php','documents'), 'name' => _('Document Metadata and Workflow Configuration'));
-        $this->aBreadcrumbs[] = array('url' => KTUtil::ktLink('/admin.php','documents/fieldmanagement'), 'name' => _('Document Field Management'));
+        $this->aBreadcrumbs[] = array('url' => KTUtil::ktLink('/admin.php','documents'), 'name' => _kt('Document Metadata and Workflow Configuration'));
+        $this->aBreadcrumbs[] = array('url' => KTUtil::ktLink('/admin.php','documents/fieldmanagement'), 'name' => _kt('Document Field Management'));
     }
@@ -86,9 +86,9 @@ class ManageConditionalDispatcher extends KTAdminDispatcher {
         );
         $this->aBreadcrumbs[] = array(
             'url' => KTUtil::ktLink('admin.php','documents/fieldmanagement','action=manageConditional&fFieldsetId=' . $oFieldset->getId()),        
-            'name' => _('Manage conditional fieldset'),
+            'name' => _kt('Manage conditional fieldset'),
         );
-        $this->oPage->setBreadcrumbDetails(_('Manage simple conditional'));
+        $this->oPage->setBreadcrumbDetails(_kt('Manage simple conditional'));
         $aTemplateData = array(
             "context" => &$this,
@@ -120,9 +120,9 @@ class ManageConditionalDispatcher extends KTAdminDispatcher {
         );
         $this->aBreadcrumbs[] = array(
             'url' => KTUtil::ktLink('admin.php','documents/fieldmanagement','action=manageConditional&fFieldsetId=' . $oFieldset->getId()),        
-            'name' => _('Manage conditional fieldset'),
+            'name' => _kt('Manage conditional fieldset'),
         );
-        $this->oPage->setBreadcrumbDetails(_('Manage complex conditional'));
+        $this->oPage->setBreadcrumbDetails(_kt('Manage complex conditional'));
         $aTemplateData = array(
             "context" => &$this,
             "fieldset_id" => $fieldset_id,
@@ -43,9 +43,9 @@ class ManageHelpDispatcher extends KTAdminDispatcher {
     }
     function getData() {
-        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _('Help Administration'));
-        $this->oPage->setBreadcrumbDetails(_('select a section'));
-        $this->oPage->setTitle(_('Help Administration'));
+        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _kt('Help Administration'));
+        $this->oPage->setBreadcrumbDetails(_kt('select a section'));
+        $this->oPage->setTitle(_kt('Help Administration'));
         $oTemplating =& KTTemplating::getSingleton();
         $aHelpReplacements =& KTHelpReplacement::getList();
         //$aHelps =& KTHelpEntity::getList();
@@ -60,8 +60,8 @@ class ManageHelpDispatcher extends KTAdminDispatcher {
     }
     function getReplacementItemData($oHelpReplacement) {
-        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _('Help Administration'));
-        $this->oPage->setTitle(_('Editing: ') . $oHelpReplacement->getTitle());
+        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _kt('Help Administration'));
+        $this->oPage->setTitle(_kt('Editing: ') . $oHelpReplacement->getTitle());
         $oTemplating =& KTTemplating::getSingleton();
         $oTemplate = $oTemplating->loadTemplate("ktcore/manage_help_item");
         $aTemplateData = array(
@@ -69,7 +69,7 @@ class ManageHelpDispatcher extends KTAdminDispatcher {
             "help" => $oHelpReplacement,
         );
         $this->aBreadcrumbs[] = array(
-            'name' => _('Edit help item'),
+            'name' => _kt('Edit help item'),
         );
         return $oTemplate->render($aTemplateData);
     }
@@ -78,7 +78,7 @@ class ManageHelpDispatcher extends KTAdminDispatcher {
         $id = KTUtil::arrayGet($_REQUEST, 'id');
         $oHelpReplacement = KTHelpReplacement::get($id);
         if (PEAR::isError($oHelpReplacement)) {
-            return $this->errorRedirectToMain(_("Could not find specified item"));
+            return $this->errorRedirectToMain(_kt("Could not find specified item"));
         }
         return $this->getReplacementItemData($oHelpReplacement);
     }
@@ -87,38 +87,38 @@ class ManageHelpDispatcher extends KTAdminDispatcher {
         $id = KTUtil::arrayGet($_REQUEST, 'id');
         $oHelpReplacement = KTHelpReplacement::get($id);
         if (PEAR::isError($oHelpReplacement)) {
-            return $this->errorRedirectToMain(_("Could not find specified item"));
+            return $this->errorRedirectToMain(_kt("Could not find specified item"));
         }
         $res = $oHelpReplacement->delete();
         if (PEAR::isError($res)) {
-            return $this->errorRedirectToMain(_("Could not delete specified item"));
+            return $this->errorRedirectToMain(_kt("Could not delete specified item"));
         }
-        return $this->successRedirectToMain(_("Item deleted"));
+        return $this->successRedirectToMain(_kt("Item deleted"));
     }
     function do_updateReplacement() {
         $id = KTUtil::arrayGet($_REQUEST, 'id');
         $oHelpReplacement = KTHelpReplacement::get($id);
         if (PEAR::isError($oHelpReplacement)) {
-            return $this->errorRedirectToMain(_("Could not find specified item"));
+            return $this->errorRedirectToMain(_kt("Could not find specified item"));
         }
         $description = KTUtil::arrayGet($_REQUEST, 'description');
         if (empty($description)) {
-            return $this->errorRedirectToMain(_("No description given"));
+            return $this->errorRedirectToMain(_kt("No description given"));
         }
         $oHelpReplacement->setDescription($description);
         $title = KTUtil::arrayGet($_REQUEST, 'title');
         if (empty($title)) {
-            return $this->errorRedirectToMain(_("No title given"));
+            return $this->errorRedirectToMain(_kt("No title given"));
         }
         $oHelpReplacement->setTitle($title);
         $res = $oHelpReplacement->update();
         if (PEAR::isError($res)) {
-            return $this->errorRedirectToMain(_("Error updating item"));
+            return $this->errorRedirectToMain(_kt("Error updating item"));
         }
-        return $this->successRedirectToMain(_("Item updated"));
+        return $this->successRedirectToMain(_kt("Item updated"));
     }
     function do_customise() {
@@ -131,13 +131,13 @@ class ManageHelpDispatcher extends KTAdminDispatcher {
         if (!PEAR::isError($oHelpReplacement)) {
             // Already exists...
-            return $this->errorRedirectTo('editReplacement', _('Replacement already exists.'),'id=' .  $oHelpReplacement->getId());
+            return $this->errorRedirectTo('editReplacement', _kt('Replacement already exists.'),'id=' .  $oHelpReplacement->getId());
         }
         $info = KTHelp::getHelpFromFile($name);
         if ($info === false) { 
             $info = array('name' => $name);
-            $info['title'] = _('New Help File');
-            $info['body'] = _('New Help File');
+            $info['title'] = _kt('New Help File');
+            $info['body'] = _kt('New Help File');
         }
         $oHelpReplacement = KTHelpReplacement::createFromArray(array(
             'name' => $info['name'],
@@ -146,9 +146,9 @@ class ManageHelpDispatcher extends KTAdminDispatcher {
         ));
         if (PEAR::isError($oHelpReplacement)) {
-            return $this->errorRedirectToMain(_("Unable to create replacement"));
+            return $this->errorRedirectToMain(_kt("Unable to create replacement"));
         }
-        return $this->successRedirectTo('editReplacement', _('Created replacement.'), 'id=' .  $oHelpReplacement->getId());
+        return $this->successRedirectTo('editReplacement', _kt('Created replacement.'), 'id=' .  $oHelpReplacement->getId());
     }
 }
@@ -34,12 +34,12 @@ require_once(KT_LIB_DIR . &quot;/widgets/fieldWidgets.php&quot;);
 class ManagePermissionsDispatcher extends KTAdminDispatcher {
     function do_main() {
-        $this->oPage->setTitle(_('Manage Permissions'));
-        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _('Manage Permissions'));
+        $this->oPage->setTitle(_kt('Manage Permissions'));
+        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _kt('Manage Permissions'));
         $add_fields = array();
-        $add_fields[] = new KTStringWidget(_('System Name'),_('The internal name used for the permission.  This should never be changed.'), 'name', null, $this->oPage, true);
-        $add_fields[] = new KTStringWidget(_('Display Name'),_('A short name that is shown to users whenever permissions must be assigned.'), 'human_name', null, $this->oPage, true);
+        $add_fields[] = new KTStringWidget(_kt('System Name'), _('The internal name used for the permission.  This should never be changed.'), 'name', null, $this->oPage, true);
+        $add_fields[] = new KTStringWidget(_kt('Display Name'), _('A short name that is shown to users whenever permissions must be assigned.'), 'human_name', null, $this->oPage, true);
         $oTemplating =& KTTemplating::getSingleton();
         $aPermissions =& KTPermission::getList();
@@ -56,35 +56,35 @@ class ManagePermissionsDispatcher extends KTAdminDispatcher {
         $name = KTUtil::arrayGet($_REQUEST, 'name');
         $human_name = KTUtil::arrayGet($_REQUEST, 'human_name');
         if (empty($name) || empty($human_name)) {
-            return $this->errorRedirectToMain(_("Both names not given"));
+            return $this->errorRedirectToMain(_kt("Both names not given"));
         }
         $oPerm = KTPermission::createFromArray(array(
             'name' => $name,
             'humanname' => $human_name,
         ));
         if (PEAR::isError($oPerm)) {
-            return $this->errorRedirectToMain(_("Error creating permission"));
+            return $this->errorRedirectToMain(_kt("Error creating permission"));
         }
-        return $this->successRedirectToMain(_("Permission created"));
+        return $this->successRedirectToMain(_kt("Permission created"));
     }
     function do_deletePermission() {
         $id = KTUtil::arrayGet($_REQUEST, 'id');
         if (empty($id)) {
-            return $this->errorRedirectToMain(_("Both names not given"));
+            return $this->errorRedirectToMain(_kt("Both names not given"));
         }
         $oPerm = KTPermission::get($id);
         if (PEAR::isError($oPerm)) {
-            return $this->errorRedirectToMain(_("Error finding permission"));
+            return $this->errorRedirectToMain(_kt("Error finding permission"));
         }
         if ($oPerm->getBuiltIn() === true) {
-            return $this->errorRedirectToMain(_("Can't delete built-in permission"));
+            return $this->errorRedirectToMain(_kt("Can't delete built-in permission"));
         }
         $res = $oPerm->delete();
         if (PEAR::isError($res)) {
-            return $this->errorRedirectToMain(_("Error deleting permission"));
+            return $this->errorRedirectToMain(_kt("Error deleting permission"));
         }
-        return $this->successRedirectToMain(_("Permission deleted"));
+        return $this->successRedirectToMain(_kt("Permission deleted"));
     }
 }
@@ -42,7 +42,7 @@ class KTPluginDispatcher extends KTAdminDispatcher {
     function check() {
         $this->aBreadcrumbs[] = array(
             'url' => $_SERVER['PHP_SELF'],
-            'name' => _('Plugins'),
+            'name' => _kt('Plugins'),
         );
         return parent::check();
     }
@@ -36,8 +36,8 @@ class RoleAdminDispatcher extends KTAdminDispatcher {
     }
     function do_main() {
-        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _('Role Management'));
-        $this->oPage->setTitle(_('Role Management'));
+        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _kt('Role Management'));
+        $this->oPage->setTitle(_kt('Role Management'));
         $edit_fields = array();
         $role_id = KTUtil::arrayGet($_REQUEST, 'role_id', null);
@@ -46,13 +46,13 @@ class RoleAdminDispatcher extends KTAdminDispatcher {
         if (PEAR::isError($oRole) || ($oRole == false)) { $for_edit = false; }
         else {
             $for_edit = true;
-            $edit_fields[] = new KTStringWidget(_('Name'),_('A short, human-readable name for the role.'), 'name', $oRole->getName(), $this->oPage, true);        
+            $edit_fields[] = new KTStringWidget(_kt('Name'), _('A short, human-readable name for the role.'), 'name', $oRole->getName(), $this->oPage, true);        
         }
         $aRoles =& Role::getList('id > 0');
         $add_fields = array();
-        $add_fields[] = new KTStringWidget(_('Name'),_('A short, human-readable name for the role.'), 'name', null, $this->oPage, true);        
+        $add_fields[] = new KTStringWidget(_kt('Name'), _('A short, human-readable name for the role.'), 'name', null, $this->oPage, true);        
         $oTemplating =& KTTemplating::getSingleton();
         $oTemplate = $oTemplating->loadTemplate('ktcore/principals/roleadmin');       
@@ -70,56 +70,56 @@ class RoleAdminDispatcher extends KTAdminDispatcher {
     function do_createRole() {
         $name = KTUtil::arrayGet($_REQUEST, 'name', null);
         if ($name === null) {
-            $this->errorRedirectToMain(_('Please give the role a name.'));
+            $this->errorRedirectToMain(_kt('Please give the role a name.'));
         }
         $this->startTransaction();
         $oRole = Role::createFromArray(array('name' => $name));        
         if (PEAR::isError($oRole) || ($oRole == false)) {
-            $this->errorRedirectToMain(_('Unable to create role.'));
+            $this->errorRedirectToMain(_kt('Unable to create role.'));
         }
-        $this->successRedirectToMain(sprintf(_('Role "%s" created.'), $name));
+        $this->successRedirectToMain(sprintf(_kt('Role "%s" created.'), $name));
     }
     function do_updateRole() {
         $role_id = KTUtil::arrayGet($_REQUEST, 'role_id');
         $oRole = Role::get($role_id);
         if (PEAR::isError($oRole) || ($oRole == false)) {
-            $this->errorRedirectToMain(_('Please select a valid role first.'));
+            $this->errorRedirectToMain(_kt('Please select a valid role first.'));
         }
         $name = KTUtil::arrayGet($_REQUEST, 'name', null);
         if ($name === null) {
-            $this->errorRedirectToMain(_('Please give the role a name.'));
+            $this->errorRedirectToMain(_kt('Please give the role a name.'));
         }
         $this->startTransaction();
         $oRole->setName($name);
         $res = $oRole->update();
         if (PEAR::isError($res) || ($res == false)) {
-            $this->errorRedirectToMain(_('Unable to update role.'));
+            $this->errorRedirectToMain(_kt('Unable to update role.'));
         }
-        $this->successRedirectToMain(sprintf(_('Role "%s" updated.'), $name));
+        $this->successRedirectToMain(sprintf(_kt('Role "%s" updated.'), $name));
     }
     function do_deleteRole() {
         $role_id = KTUtil::arrayGet($_REQUEST, 'role_id');
         $oRole = Role::get($role_id);
         if (PEAR::isError($oRole) || ($oRole == false)) {
-            $this->errorRedirectToMain(_('Please select a valid role first.'));
+            $this->errorRedirectToMain(_kt('Please select a valid role first.'));
         }
         $name = $oRole->getName();
         $this->startTransaction();  
         $res = $oRole->delete();
         if (PEAR::isError($res) || ($res == false)) { 
-            $this->errorRedirectToMain(_('Unable to delete the role.') . '  ' . _('Possible cause') . ': ' . $_SESSION['errorMessage']); 
+            $this->errorRedirectToMain(_kt('Unable to delete the role.') . '  ' . _('Possible cause') . ': ' . $_SESSION['errorMessage']); 
         }
-        $this->successRedirectToMain(sprintf(_('Role "%s" deleted. '), $name));
+        $this->successRedirectToMain(sprintf(_kt('Role "%s" deleted. '), $name));
     }
 }
@@ -38,7 +38,7 @@ class KTSavedSearchDispatcher extends KTAdminDispatcher {
     function check() {
         $this->aBreadcrumbs[] = array(
             'url' => $_SERVER['PHP_SELF'],
-            'name' => _('Saved Searches'),
+            'name' => _kt('Saved Searches'),
         );
         return true;
     }
@@ -59,11 +59,11 @@ class KTSavedSearchDispatcher extends KTAdminDispatcher {
         $aCriteria = Criteria::getAllCriteria();
         $aTemplateData = array(
-            "title" => _("Create a new condition"),
+            "title" => _kt("Create a new condition"),
             "aCriteria" => $aCriteria,
-            "searchButton" => _("Save"),
+            "searchButton" => _kt("Save"),
             'context' => $this,
-            "sNameTitle" => _('New Saved Search'),
+            "sNameTitle" => _kt('New Saved Search'),
         );
         return $oTemplate->render($aTemplateData);
     }
@@ -73,15 +73,15 @@ class KTSavedSearchDispatcher extends KTAdminDispatcher {
         $oSearch = KTSavedSearch::get($id);
         if (PEAR::isError($oSearch) || ($oSearch == false)) {
-            $this->errorRedirectToMain(_('No Such search'));
+            $this->errorRedirectToMain(_kt('No Such search'));
         }
         $res = $oSearch->delete();
         if (PEAR::isError($res) || ($res == false)) {
-            return $this->errorRedirectToMain(_('Failed to delete search'));
+            return $this->errorRedirectToMain(_kt('Failed to delete search'));
         }
-        $this->successRedirectToMain(_('Search Deleted'));
+        $this->successRedirectToMain(_kt('Search Deleted'));
     }
     function do_view() {
@@ -123,14 +123,14 @@ class KTSavedSearchDispatcher extends KTAdminDispatcher {
         //print $s;        
         $aTemplateData = array(
-            "title" => _("Edit an existing condition"),
+            "title" => _kt("Edit an existing condition"),
             "aCriteria" => $aCriteria,
-            "searchButton" => _("Update Saved Search"),
+            "searchButton" => _kt("Update Saved Search"),
             'aSearch' => $aSearch,
             'context' => $this,
             'iSearchId' => $oSearch->getId(),
             'old_name' => $oSearch->getName(),
-            'sNameTitle' => _('Edit Search'),
+            'sNameTitle' => _kt('Edit Search'),
         );
         return $oTemplate->render($aTemplateData);        
@@ -154,7 +154,7 @@ class KTSavedSearchDispatcher extends KTAdminDispatcher {
         }
         if (empty($datavars)) {
-            $this->errorRedirectToMain(_('You need to have at least 1 condition.'));
+            $this->errorRedirectToMain(_kt('You need to have at least 1 condition.'));
         }
         //$sName = "Neil's saved search";
@@ -167,9 +167,9 @@ class KTSavedSearchDispatcher extends KTAdminDispatcher {
         $this->oValidator->notError($res, array(
             'redirect_to' => 'main',
-            'message' => _('Search not saved'),
+            'message' => _kt('Search not saved'),
         ));
-        $this->successRedirectToMain(_('Search saved'));
+        $this->successRedirectToMain(_kt('Search saved'));
     }
     // XXX: Rename to do_save
@@ -187,7 +187,7 @@ class KTSavedSearchDispatcher extends KTAdminDispatcher {
         }
         if (empty($datavars)) {
-            $this->errorRedirectToMain(_('You need to have at least 1 condition.'));
+            $this->errorRedirectToMain(_kt('You need to have at least 1 condition.'));
         }
         $sNamespace = KTUtil::nameToLocalNamespace('Saved searches', $sName);
@@ -203,9 +203,9 @@ class KTSavedSearchDispatcher extends KTAdminDispatcher {
         $this->oValidator->notError($oSearch, array(
             'redirect_to' => 'main',
-            'message' => _('Search not saved'),
+            'message' => _kt('Search not saved'),
         ));
-        $this->successRedirectToMain(_('Search saved'));
+        $this->successRedirectToMain(_kt('Search saved'));
     }
 }
@@ -35,7 +35,7 @@ class KTSupportDispatcher extends KTAdminDispatcher {
     var $bAutomaticTransaction = true;
     function check() {
-        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _('Support and System information'));
+        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _kt('Support and System information'));
         return true;
     }
@@ -44,13 +44,13 @@ class KTUnitAdminDispatcher extends KTAdminDispatcher {
     var $bAutomaticTransaction = true;
     function check() {
-        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _('Unit Management'));
+        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _kt('Unit Management'));
         return parent::check();
     }
     function do_main() {
-		$this->oPage->setBreadcrumbDetails(_('select a unit'));
-		$this->oPage->setTitle(_("Unit Management"));
+		$this->oPage->setBreadcrumbDetails(_kt('select a unit'));
+		$this->oPage->setTitle(_kt("Unit Management"));
 		$unit_list =& Unit::getList();
@@ -64,11 +64,11 @@ class KTUnitAdminDispatcher extends KTAdminDispatcher {
     }
     function do_addUnit() {
-        $this->oPage->setBreadcrumbDetails(_('Add a new unit'));
-        $this->oPage->setTitle(_("Add a new unit"));
+        $this->oPage->setBreadcrumbDetails(_kt('Add a new unit'));
+        $this->oPage->setTitle(_kt("Add a new unit"));
         $add_fields = array();
-        $add_fields[] =  new KTStringWidget(_('Unit Name'),_('A short name for the unit.  e.g. <strong>Accounting</strong>.'), 'unit_name', null, $this->oPage, true);
+        $add_fields[] =  new KTStringWidget(_kt('Unit Name'), _('A short name for the unit.  e.g. <strong>Accounting</strong>.'), 'unit_name', null, $this->oPage, true);
         $oTemplating =& KTTemplating::getSingleton();
         $oTemplate = $oTemplating->loadTemplate("ktcore/principals/addunit");
@@ -80,15 +80,15 @@ class KTUnitAdminDispatcher extends KTAdminDispatcher {
     }
     function do_addUnit2() {
-        $this->oPage->setBreadcrumbDetails(_('Add a new unit'));
-        $this->oPage->setTitle(_("Add a new unit"));
+        $this->oPage->setBreadcrumbDetails(_kt('Add a new unit'));
+        $this->oPage->setTitle(_kt("Add a new unit"));
         $aOptions = array(
             'redirect_to' => array('addUnit'),
-            'message' => _('No name given'),
+            'message' => _kt('No name given'),
         );
         $sName = $this->oValidator->validateString($_REQUEST['unit_name'], $aOptions);
-		$aOptions['message'] = _('A unit with that name already exists.');
+		$aOptions['message'] = _kt('A unit with that name already exists.');
 		$sName = $this->oValidator->validateDuplicateName('Unit', $sName, $aOptions);
         $iFolderId = KTUtil::arrayGet($_REQUEST, 'fFolderId', 1);
@@ -130,7 +130,7 @@ class KTUnitAdminDispatcher extends KTAdminDispatcher {
         }
         $add_fields = array();
-        $add_fields[] =  new KTStaticTextWidget(_('Unit Name'),_('A short name for the unit.  e.g. <strong>Accounting</strong>.'), 'unit_name', $sName, $this->oPage, true);
+        $add_fields[] =  new KTStaticTextWidget(_kt('Unit Name'), _('A short name for the unit.  e.g. <strong>Accounting</strong>.'), 'unit_name', $sName, $this->oPage, true);
 		$isValid = true;
 		if (KTFolderUtil::exists($oFolder, $sName)) {
@@ -154,15 +154,15 @@ class KTUnitAdminDispatcher extends KTAdminDispatcher {
     function do_createUnit() {
         $aOptions = array(
             'redirect_to' => array('main'),
-            'message' => _('Invalid folder chosen'),
+            'message' => _kt('Invalid folder chosen'),
         );
         $oParentFolder = $this->oValidator->validateFolder($_REQUEST['fFolderId'], $aOptions);
         $aOptions = array(
             'redirect_to' => array('addUnit', sprintf('fFolderId=%d', $oParentFolder->getId())),
-            'message' => _('No name given'),
+            'message' => _kt('No name given'),
         );
         $sName = $this->oValidator->validateString($_REQUEST['unit_name'], $aOptions);
-		$aOptions['message'] = _('A unit with that name already exists.');
+		$aOptions['message'] = _kt('A unit with that name already exists.');
 		$sName = $this->oValidator->validateDuplicateName('Unit', $sName, $aOptions);
         $oFolder = KTFolderUtil::add($oParentFolder, $sName, $this->oUser);
@@ -185,7 +185,7 @@ class KTUnitAdminDispatcher extends KTAdminDispatcher {
         $oUnit =& $this->oValidator->validateUnit($_REQUEST['unit_id']); 
         $fields = array();
-        $fields[] =  new KTStringWidget(_('Unit Name'),_('A short name for the unit.  e.g. <strong>Accounting</strong>.'), 'unit_name', $oUnit->getName(), $this->oPage, true);
+        $fields[] =  new KTStringWidget(_kt('Unit Name'), _('A short name for the unit.  e.g. <strong>Accounting</strong>.'), 'unit_name', $oUnit->getName(), $this->oPage, true);
         $oTemplate =& $this->oValidator->validateTemplate('ktcore/principals/editunit');
         $aTemplateData = array(
@@ -200,16 +200,16 @@ class KTUnitAdminDispatcher extends KTAdminDispatcher {
         $oUnit =& $this->oValidator->validateUnit($_REQUEST['unit_id']); 
         $aOptions = array(
             'redirect_to' => array('editUnit', sprintf('unit_id=%d', $oUnit->getId())),
-            'message' => _('No name given'),
+            'message' => _kt('No name given'),
         );
         $sName = $this->oValidator->validateString($_REQUEST['unit_name'], $aOptions);
-		$aOptions['message'] = _('A unit with that name already exists.');
+		$aOptions['message'] = _kt('A unit with that name already exists.');
 		$aOptions['rename'] = $oUnit->getId();
 		$sName = $this->oValidator->validateDuplicateName('Unit', $sName, $aOptions);
         $oUnit->setName($sName);
         $res = $oUnit->update();
         if (($res == false) || (PEAR::isError($res))) {
-            return $this->errorRedirectToMain(_('Failed to set unit details.'));
+            return $this->errorRedirectToMain(_kt('Failed to set unit details.'));
         }
         $iFolderId = $oUnit->getFolderId();
         $oFolder = Folder::get($iFolderId);
@@ -217,14 +217,14 @@ class KTUnitAdminDispatcher extends KTAdminDispatcher {
             KTFolderUtil::rename($oFolder, $sName, $this->oUser);
         }
-        $this->successRedirectToMain(_("Unit details updated"));
+        $this->successRedirectToMain(_kt("Unit details updated"));
     }
     function do_deleteUnit() {
         $oUnit =& $this->oValidator->validateUnit($_REQUEST['unit_id']); 
         $fields = array();
-        $fields[] = new KTCheckboxWidget(_('Delete folder'), _('Each unit has an associated folder.  While the unit is being deleted, there may be some documents within the associated folder.  By unselecting this option, they will not be removed.'), 'delete_folder', true, $this->oPage, true);
+        $fields[] = new KTCheckboxWidget(_kt('Delete folder'), _('Each unit has an associated folder.  While the unit is being deleted, there may be some documents within the associated folder.  By unselecting this option, they will not be removed.'), 'delete_folder', true, $this->oPage, true);
         $oTemplate =& $this->oValidator->validateTemplate('ktcore/principals/deleteunit');
         $aTemplateData = array(
@@ -241,7 +241,7 @@ class KTUnitAdminDispatcher extends KTAdminDispatcher {
         $res = $oUnit->delete();
         $aOptions = array(
             'redirect_to' => array('main'),
-            'message' => _("Could not delete this unit because it has groups assigned to it"),
+            'message' => _kt("Could not delete this unit because it has groups assigned to it"),
             'no_exception' => true,
         );
         $this->oValidator->notError($res, $aOptions);
@@ -43,9 +43,9 @@ require_once(KT_LIB_DIR . &quot;/authentication/builtinauthenticationprovider.inc.php
 class KTUserAdminDispatcher extends KTAdminDispatcher {
     function do_main() {
-        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _('User Management'));
-        $this->oPage->setBreadcrumbDetails(_('select a user'));
-        $this->oPage->setTitle(_("User Management"));
+        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _kt('User Management'));
+        $this->oPage->setBreadcrumbDetails(_kt('select a user'));
+        $this->oPage->setTitle(_kt("User Management"));
 		$KTConfig =& KTConfig::getSingleton();
         $alwaysAll = $KTConfig->get("alwaysShowAll");
@@ -63,7 +63,7 @@ class KTUserAdminDispatcher extends KTAdminDispatcher {
         $search_fields = array();
-        $search_fields[] =  new KTStringWidget(_('Username'),_("Enter part of the person's username.  e.g. <strong>ra</strong> will match <strong>brad</strong>."), 'name', $name, $this->oPage, true);
+        $search_fields[] =  new KTStringWidget(_kt('Username'), _("Enter part of the person's username.  e.g. <strong>ra</strong> will match <strong>brad</strong>."), 'name', $name, $this->oPage, true);
         // FIXME handle group search stuff.
         $search_results = null;
@@ -87,9 +87,9 @@ class KTUserAdminDispatcher extends KTAdminDispatcher {
     function do_addUser() {
-        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _('User Management'));
-        $this->oPage->setBreadcrumbDetails(_('add a new user'));
-        $this->oPage->setTitle(_("Modify User Details"));
+        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _kt('User Management'));
+        $this->oPage->setBreadcrumbDetails(_kt('add a new user'));
+        $this->oPage->setTitle(_kt("Modify User Details"));
         $name = KTUtil::arrayGet($_REQUEST, 'name');
         $show_all = KTUtil::arrayGet($_REQUEST, 'show_all', false);
@@ -110,15 +110,15 @@ class KTUserAdminDispatcher extends KTAdminDispatcher {
 		}
         $add_fields = array();
-        $add_fields[] =  new KTStringWidget(_('Username'),_('The username the user will enter to gain access to KnowledgeTree.  e.g. <strong>jsmith</strong>'), 'username', null, $this->oPage, true, null, null, $aOptions);
-        $add_fields[] =  new KTStringWidget(_('Name'),_('The full name of the user.  This is shown in reports and listings.  e.g. <strong>John Smith</strong>'), 'name', null, $this->oPage, true, null, null, $aOptions);        
-        $add_fields[] =  new KTStringWidget(_('Email Address'), _('The email address of the user.  Notifications and alerts are mailed to this address if <strong>email notifications</strong> is set below. e.g. <strong>jsmith@acme.com</strong>'), 'email_address', null, $this->oPage, false, null, null, $aOptions);        
-        $add_fields[] =  new KTCheckboxWidget(_('Email Notifications'), _("If this is specified then the user will have notifications sent to the email address entered above.  If it isn't set, then the user will only see notifications on the <strong>Dashboard</strong>"), 'email_notifications', true, $this->oPage, false, null, null, $aOptions);        
-        $add_fields[] =  new KTPasswordWidget(_('Password'), _('Specify an initial password for the user.') . $passwordAddRequirement, 'password', null, $this->oPage, true, null, null, $aOptions);        
-        $add_fields[] =  new KTPasswordWidget(_('Confirm Password'), _('Confirm the password specified above.'), 'confirm_password', null, $this->oPage, true, null, null, $aOptions);        
+        $add_fields[] =  new KTStringWidget(_kt('Username'), _('The username the user will enter to gain access to KnowledgeTree.  e.g. <strong>jsmith</strong>'), 'username', null, $this->oPage, true, null, null, $aOptions);
+        $add_fields[] =  new KTStringWidget(_kt('Name'), _('The full name of the user.  This is shown in reports and listings.  e.g. <strong>John Smith</strong>'), 'name', null, $this->oPage, true, null, null, $aOptions);        
+        $add_fields[] =  new KTStringWidget(_kt('Email Address'), _('The email address of the user.  Notifications and alerts are mailed to this address if <strong>email notifications</strong> is set below. e.g. <strong>jsmith@acme.com</strong>'), 'email_address', null, $this->oPage, false, null, null, $aOptions);        
+        $add_fields[] =  new KTCheckboxWidget(_kt('Email Notifications'), _("If this is specified then the user will have notifications sent to the email address entered above.  If it isn't set, then the user will only see notifications on the <strong>Dashboard</strong>"), 'email_notifications', true, $this->oPage, false, null, null, $aOptions);        
+        $add_fields[] =  new KTPasswordWidget(_kt('Password'), _('Specify an initial password for the user.') . $passwordAddRequirement, 'password', null, $this->oPage, true, null, null, $aOptions);        
+        $add_fields[] =  new KTPasswordWidget(_kt('Confirm Password'), _('Confirm the password specified above.'), 'confirm_password', null, $this->oPage, true, null, null, $aOptions);        
         // nice, easy bits.
-        $add_fields[] =  new KTStringWidget(_('Mobile Number'), _("The mobile phone number of the user.  If the system is configured to send notifications to cellphones, then this number will be SMS'd with notifications.  e.g. <strong>999 9999 999</strong>"), 'mobile_number', null, $this->oPage, false, null, null, $aOptions);        
-        $add_fields[] =  new KTStringWidget(_('Maximum Sessions'), _('As a safety precaution, it is useful to limit the number of times a given account can log in, before logging out.  This prevents a single account being used by many different people.'), 'max_sessions', '3', $this->oPage, true, null, null, $aOptions);        
+        $add_fields[] =  new KTStringWidget(_kt('Mobile Number'), _("The mobile phone number of the user.  If the system is configured to send notifications to cellphones, then this number will be SMS'd with notifications.  e.g. <strong>999 9999 999</strong>"), 'mobile_number', null, $this->oPage, false, null, null, $aOptions);        
+        $add_fields[] =  new KTStringWidget(_kt('Maximum Sessions'), _('As a safety precaution, it is useful to limit the number of times a given account can log in, before logging out.  This prevents a single account being used by many different people.'), 'max_sessions', '3', $this->oPage, true, null, null, $aOptions);        
         $aAuthenticationSources =& KTAuthenticationSource::getList();
@@ -138,38 +138,38 @@ class KTUserAdminDispatcher extends KTAdminDispatcher {
         $oRegistry =& KTAuthenticationProviderRegistry::getSingleton();
         $oProvider =& $oRegistry->getAuthenticationProvider($sProvider);
-        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _('User Management'));
-        $this->aBreadcrumbs[] = array('url' => KTUtil::addQueryStringSelf('action=addUser'), 'name' => _('add a new user'));
+        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _kt('User Management'));
+        $this->aBreadcrumbs[] = array('url' => KTUtil::addQueryStringSelf('action=addUser'), 'name' => _kt('add a new user'));
         $oProvider->aBreadcrumbs = $this->aBreadcrumbs;
         $oProvider->oPage->setBreadcrumbDetails($oSource->getName());
-        $oProvider->oPage->setTitle(_("Modify User Details"));
+        $oProvider->oPage->setTitle(_kt("Modify User Details"));
         $oProvider->dispatch();
         exit(0);
     }
     function do_editUser() {
-        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _('User Management'));
-        $this->oPage->setBreadcrumbDetails(_('modify user details'));
-        $this->oPage->setTitle(_("Modify User Details"));
+        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _kt('User Management'));
+        $this->oPage->setBreadcrumbDetails(_kt('modify user details'));
+        $this->oPage->setTitle(_kt("Modify User Details"));
         $user_id = KTUtil::arrayGet($_REQUEST, 'user_id');
         $oUser =& User::get($user_id);
         if (PEAR::isError($oUser) || $oUser == false) {
-            $this->errorRedirectToMain(_('Please select a user first.'));
+            $this->errorRedirectToMain(_kt('Please select a user first.'));
             exit(0);
         }
         $this->aBreadcrumbs[] = array('name' => $oUser->getName());
         $edit_fields = array();
-        $edit_fields[] =  new KTStringWidget(_('Username'),_('The username the user will enter to gain access to KnowledgeTree.  e.g. <strong>jsmith</strong>'), 'username', $oUser->getUsername(), $this->oPage, true);
-        $edit_fields[] =  new KTStringWidget(_('Name'), _('The full name of the user.  This is shown in reports and listings.  e.g. <strong>John Smith</strong>'), 'name', $oUser->getName(), $this->oPage, true);        
-        $edit_fields[] =  new KTStringWidget(_('Email Address'),_('The email address of the user.  Notifications and alerts are mailed to this address if <strong>email notifications</strong> is set below. e.g. <strong>jsmith@acme.com</strong>'), 'email_address', $oUser->getEmail(), $this->oPage, false);        
-        $edit_fields[] =  new KTCheckboxWidget(_('Email Notifications'), _('If this is specified then the user will have notifications sent to the email address entered above.  If it is not set, then the user will only see notifications on the <strong>Dashboard</strong>'), 'email_notifications', $oUser->getEmailNotification(), $this->oPage, false);        
-        $edit_fields[] =  new KTStringWidget(_('Mobile Number'),_("The mobile phone number of the user.  If the system is configured to send notifications to cellphones, then this number will be SMS'd with notifications.  e.g. <strong>999 9999 999</strong>"), 'mobile_number', $oUser->getMobile(), $this->oPage, false);        
-        $edit_fields[] =  new KTStringWidget(_('Maximum Sessions'), _('As a safety precaution, it is useful to limit the number of times a given account can log in, before logging out.  This prevents a single account being used by many different people.'), 'max_sessions', $oUser->getMaxSessions(), $this->oPage, true);        
+        $edit_fields[] =  new KTStringWidget(_kt('Username'), _('The username the user will enter to gain access to KnowledgeTree.  e.g. <strong>jsmith</strong>'), 'username', $oUser->getUsername(), $this->oPage, true);
+        $edit_fields[] =  new KTStringWidget(_kt('Name'), _('The full name of the user.  This is shown in reports and listings.  e.g. <strong>John Smith</strong>'), 'name', $oUser->getName(), $this->oPage, true);        
+        $edit_fields[] =  new KTStringWidget(_kt('Email Address'), _('The email address of the user.  Notifications and alerts are mailed to this address if <strong>email notifications</strong> is set below. e.g. <strong>jsmith@acme.com</strong>'), 'email_address', $oUser->getEmail(), $this->oPage, false);        
+        $edit_fields[] =  new KTCheckboxWidget(_kt('Email Notifications'), _('If this is specified then the user will have notifications sent to the email address entered above.  If it is not set, then the user will only see notifications on the <strong>Dashboard</strong>'), 'email_notifications', $oUser->getEmailNotification(), $this->oPage, false);        
+        $edit_fields[] =  new KTStringWidget(_kt('Mobile Number'), _("The mobile phone number of the user.  If the system is configured to send notifications to cellphones, then this number will be SMS'd with notifications.  e.g. <strong>999 9999 999</strong>"), 'mobile_number', $oUser->getMobile(), $this->oPage, false);        
+        $edit_fields[] =  new KTStringWidget(_kt('Maximum Sessions'), _('As a safety precaution, it is useful to limit the number of times a given account can log in, before logging out.  This prevents a single account being used by many different people.'), 'max_sessions', $oUser->getMaxSessions(), $this->oPage, true);        
         $oAuthenticationSource = KTAuthenticationSource::getForUser($oUser);
         if (is_null($oAuthenticationSource)) {
@@ -194,23 +194,23 @@ class KTUserAdminDispatcher extends KTAdminDispatcher {
     function do_setPassword() {
-        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _('User Management'));
-        $this->oPage->setBreadcrumbDetails(_('change user password'));
-        $this->oPage->setTitle(_("Change User Password"));
+        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _kt('User Management'));
+        $this->oPage->setBreadcrumbDetails(_kt('change user password'));
+        $this->oPage->setTitle(_kt("Change User Password"));
         $user_id = KTUtil::arrayGet($_REQUEST, 'user_id');
         $oUser =& User::get($user_id);
         if (PEAR::isError($oUser) || $oUser == false) {
-            $this->errorRedirectToMain(_('Please select a user first.'));
+            $this->errorRedirectToMain(_kt('Please select a user first.'));
             exit(0);
         }
         $this->aBreadcrumbs[] = array('name' => $oUser->getName());
         $edit_fields = array();
-        $edit_fields[] =  new KTPasswordWidget(_('Password'),_('Specify an initial password for the user.'), 'password', null, $this->oPage, true);        
-        $edit_fields[] =  new KTPasswordWidget(_('Confirm Password'),_('Confirm the password specified above.'), 'confirm_password', null, $this->oPage, true);        
+        $edit_fields[] =  new KTPasswordWidget(_kt('Password'), _('Specify an initial password for the user.'), 'password', null, $this->oPage, true);        
+        $edit_fields[] =  new KTPasswordWidget(_kt('Confirm Password'), _('Confirm the password specified above.'), 'confirm_password', null, $this->oPage, true);        
         $oTemplating =& KTTemplating::getSingleton();        
         $oTemplate = $oTemplating->loadTemplate("ktcore/principals/updatepassword");
@@ -234,11 +234,11 @@ class KTUserAdminDispatcher extends KTAdminDispatcher {
         if ($restrictAdmin && (strlen($password) < $minLength)) {
-		    $this->errorRedirectToMain(sprintf(_("The password must be at least %d characters long."), $minLength));
+		    $this->errorRedirectToMain(sprintf(_kt("The password must be at least %d characters long."), $minLength));
 		} else if (empty($password)) { 
-            $this->errorRedirectToMain(_("You must specify a password for the user."));
+            $this->errorRedirectToMain(_kt("You must specify a password for the user."));
         } else if ($password !== $confirm_password) {
-            $this->errorRedirectToMain(_("The passwords you specified do not match."));
+            $this->errorRedirectToMain(_kt("The passwords you specified do not match."));
         } 
         // FIXME more validation would be useful.
         // validated and ready..
@@ -246,7 +246,7 @@ class KTUserAdminDispatcher extends KTAdminDispatcher {
         $oUser =& User::get($user_id);
         if (PEAR::isError($oUser) || $oUser == false) {
-            $this->errorRedirectToMain(_("Please select a user to modify first."));
+            $this->errorRedirectToMain(_kt("Please select a user to modify first."));
         }
@@ -258,11 +258,11 @@ class KTUserAdminDispatcher extends KTAdminDispatcher {
         if (PEAR::isError($res) || ($res == false)) {
-            $this->errorRedirectoToMain(_('Failed to update user.'));
+            $this->errorRedirectoToMain(_kt('Failed to update user.'));
         }
         $this->commitTransaction();
-        $this->successRedirectToMain(_('User information updated.'));
+        $this->successRedirectToMain(_kt('User information updated.'));
     }
@@ -288,12 +288,12 @@ class KTUserAdminDispatcher extends KTAdminDispatcher {
         $user_id = KTUtil::arrayGet($_REQUEST, 'user_id');
         $oUser = User::get($user_id);
         if ((PEAR::isError($oUser)) || ($oUser === false)) {
-            $this->errorRedirectToMain(_('No such user.'));
+            $this->errorRedirectToMain(_kt('No such user.'));
         }
         $this->aBreadcrumbs[] = array('name' => $oUser->getName());
-        $this->oPage->setBreadcrumbDetails(_('edit groups'));
-        $this->oPage->setTitle(sprintf(_("Edit %s's groups"), $oUser->getName()));
+        $this->oPage->setBreadcrumbDetails(_kt('edit groups'));
+        $this->oPage->setTitle(sprintf(_kt("Edit %s's groups"), $oUser->getName()));
         // generate a list of groups this user is authorised to assign.
         /* FIXME there is a nasty side-effect:  if a user cannot assign a group
@@ -348,12 +348,12 @@ class KTUserAdminDispatcher extends KTAdminDispatcher {
         $name = $this->oValidator->validateString(
                 KTUtil::arrayGet($_REQUEST, 'name'),
-                KTUtil::meldOptions($aErrorOptions, array('message' => _("You must provide a name")))
+                KTUtil::meldOptions($aErrorOptions, array('message' => _kt("You must provide a name")))
         );
         $username = $this->oValidator->validateString(
                 KTUtil::arrayGet($_REQUEST, 'username'),
-                KTUtil::meldOptions($aErrorOptions, array('message' => _("You must provide a username")))
+                KTUtil::meldOptions($aErrorOptions, array('message' => _kt("You must provide a username")))
         );
         $email_address = KTUtil::arrayGet($_REQUEST, 'email_address');
@@ -374,7 +374,7 @@ class KTUserAdminDispatcher extends KTAdminDispatcher {
         $oUser =& User::get($user_id);
         if (PEAR::isError($oUser) || $oUser == false) {
-            $this->errorRedirectToMain(_("Please select a user to modify first."));
+            $this->errorRedirectToMain(_kt("Please select a user to modify first."));
         }
         $oUser->setName($name);
@@ -393,20 +393,20 @@ class KTUserAdminDispatcher extends KTAdminDispatcher {
         if (PEAR::isError($res) || ($res == false)) {
-            $this->errorRedirectoToMain(_('Failed to update user.'));
+            $this->errorRedirectoToMain(_kt('Failed to update user.'));
         }
         $this->commitTransaction();
-        $this->successRedirectToMain(_('User information updated.'));
+        $this->successRedirectToMain(_kt('User information updated.'));
     }
     function do_createUser() {
         // FIXME generate and pass the error stack to adduser.
         $name = KTUtil::arrayGet($_REQUEST, 'name');
-        if (empty($name)) { $this->errorRedirectTo('addUser', _('You must specify a name for the user.')); }
+        if (empty($name)) { $this->errorRedirectTo('addUser', _kt('You must specify a name for the user.')); }
         $username = KTUtil::arrayGet($_REQUEST, 'username');
-        if (empty($name)) { $this->errorRedirectTo('addUser', _('You must specify a new username.')); }
+        if (empty($name)) { $this->errorRedirectTo('addUser', _kt('You must specify a new username.')); }
         // FIXME check for non-clashing usernames.
         $email_address = KTUtil::arrayGet($_REQUEST, 'email_address');
@@ -424,16 +424,16 @@ class KTUserAdminDispatcher extends KTAdminDispatcher {
         if ($restrictAdmin && (strlen($password) < $minLength)) {
-		    $this->errorRedirectTo('addUser', sprintf(_("The password must be at least %d characters long."), $minLength));
+		    $this->errorRedirectTo('addUser', sprintf(_kt("The password must be at least %d characters long."), $minLength));
 		} else if (empty($password)) { 
-            $this->errorRedirectTo('addUser', _("You must specify a password for the user."));
+            $this->errorRedirectTo('addUser', _kt("You must specify a password for the user."));
         } else if ($password !== $confirm_password) {
-            $this->errorRedirectTo('addUser', _("The passwords you specified do not match."));
+            $this->errorRedirectTo('addUser', _kt("The passwords you specified do not match."));
         }
         $dupUser =& User::getByUserName($username);
         if(!PEAR::isError($dupUser)) {
-            $this->errorRedirectTo('addUser', _("A user with that username already exists"));
+            $this->errorRedirectTo('addUser', _kt("A user with that username already exists"));
         }
         $oUser =& User::createFromArray(array(
@@ -449,31 +449,31 @@ class KTUserAdminDispatcher extends KTAdminDispatcher {
         ));
         if (PEAR::isError($oUser) || ($oUser == false)) {
-            $this->errorRedirectToMain(_("failed to create user."));
+            $this->errorRedirectToMain(_kt("failed to create user."));
             exit(0);
         }
         $oUser->create();
-        $this->successRedirectToMain(_('Created new user') . ': "' . $oUser->getUsername() . '"', 'name=' . $oUser->getUsername());
+        $this->successRedirectToMain(_kt('Created new user') . ': "' . $oUser->getUsername() . '"', 'name=' . $oUser->getUsername());
     }
     function do_deleteUser() {
         $user_id = KTUtil::arrayGet($_REQUEST, 'user_id');
         $oUser = User::get($user_id);
         if ((PEAR::isError($oUser)) || ($oUser === false)) {
-            $this->errorRedirectToMain(_('Please select a user first.'));
+            $this->errorRedirectToMain(_kt('Please select a user first.'));
         }
         $oUser->delete();
-        $this->successRedirectToMain(_('User deleted') . ': ' . $oUser->getName());
+        $this->successRedirectToMain(_kt('User deleted') . ': ' . $oUser->getName());
     }
     function do_updateGroups() {
         $user_id = KTUtil::arrayGet($_REQUEST, 'user_id');
         $oUser = User::get($user_id);
         if ((PEAR::isError($oUser)) || ($oUser === false)) {
-            $this->errorRedirectToMain(_('Please select a user first.'));
+            $this->errorRedirectToMain(_kt('Please select a user first.'));
         }
         $groupAdded = KTUtil::arrayGet($_REQUEST, 'groupAdded','');
         $groupRemoved = KTUtil::arrayGet($_REQUEST, 'groupRemoved','');
@@ -503,7 +503,7 @@ class KTUserAdminDispatcher extends KTAdminDispatcher {
 				}				
                 $res = $oGroup->addMember($oUser);
                 if (PEAR::isError($res) || $res == false) {
-                    $this->errorRedirectToMain(sprintf(_('Unable to add user to group "%s"'), $oGroup->getName()));
+                    $this->errorRedirectToMain(sprintf(_kt('Unable to add user to group "%s"'), $oGroup->getName()));
                 } else { 
 				    $groupsAdded[] = $oGroup->getName(); 
@@ -517,7 +517,7 @@ class KTUserAdminDispatcher extends KTAdminDispatcher {
                 $oGroup = Group::get($iGroupID);
                 $res = $oGroup->removeMember($oUser);
                 if (PEAR::isError($res) || $res == false) {
-                    $this->errorRedirectToMain(sprintf(_('Unable to remove user from group "%s"'), $oGroup->getName()));
+                    $this->errorRedirectToMain(sprintf(_kt('Unable to remove user from group "%s"'), $oGroup->getName()));
                 } else { 
 				   $groupsRemoved[] = $oGroup->getName(); 
 					$memberReason = GroupUtil::getMembershipReason($oUser, $oGroup);
@@ -530,20 +530,20 @@ class KTUserAdminDispatcher extends KTAdminDispatcher {
         }
 		if (!empty($addWarnings)) {
-		    $sWarnStr = _('Warning:  the user was already a member of some subgroups') . ' &mdash; ';
+		    $sWarnStr = _kt('Warning:  the user was already a member of some subgroups') . ' &mdash; ';
 			$sWarnStr .= implode(', ', $addWarnings);
 			$_SESSION['KTInfoMessage'][] = $sWarnStr;
 		}
 		if (!empty($removeWarnings)) {
-		    $sWarnStr = _('Warning:  the user is still a member of some subgroups') . ' &mdash; ';
+		    $sWarnStr = _kt('Warning:  the user is still a member of some subgroups') . ' &mdash; ';
 			$sWarnStr .= implode(', ', $removeWarnings);
 			$_SESSION['KTInfoMessage'][] = $sWarnStr;
 		}
         $msg = '';
-        if (!empty($groupsAdded)) { $msg .= ' ' . _('Added to groups') . ': ' . implode(', ', $groupsAdded) . ' <br />'; }
-        if (!empty($groupsRemoved)) { $msg .= ' ' . _('Removed from groups') . ': ' . implode(', ',$groupsRemoved) . '.'; }
+        if (!empty($groupsAdded)) { $msg .= ' ' . _kt('Added to groups') . ': ' . implode(', ', $groupsAdded) . ' <br />'; }
+        if (!empty($groupsRemoved)) { $msg .= ' ' . _kt('Removed from groups') . ': ' . implode(', ',$groupsRemoved) . '.'; }
         $this->commitTransaction();
         $this->successRedirectToMain($msg);
@@ -554,7 +554,7 @@ class KTUserAdminDispatcher extends KTAdminDispatcher {
 		$aGroups = GroupUtil::listGroupsForUser($oUser);
 		$MAX_GROUPS = 6;
 		$add_elipsis = false;
-		if (count($aGroups) == 0) { return _('User is currently not a member of any groups.'); }
+		if (count($aGroups) == 0) { return _kt('User is currently not a member of any groups.'); }
 		if (count($aGroups) > $MAX_GROUPS) { 
 		    $aGroups = array_slice($aGroups, 0, $MAX_GROUPS); 
 			$add_elipsis = true;
@@ -60,13 +60,13 @@ class WorkflowNavigationPortlet extends KTPortlet {
     }
     function render() {
-        if (is_null($this->oWorkflow)) { return _('No Workflow Selected.'); }
+        if (is_null($this->oWorkflow)) { return _kt('No Workflow Selected.'); }
         $aAdminPages = array();
-        $aAdminPages[] = array('name' => _('Overview'), 'query' => 'action=editWorkflow&fWorkflowId=' . $this->oWorkflow->getId());
-        $aAdminPages[] = array('name' => _('States'), 'query' => 'action=manageStates&fWorkflowId=' . $this->oWorkflow->getId());
-        $aAdminPages[] = array('name' => _('Transitions'), 'query' => 'action=manageTransitions&fWorkflowId=' . $this->oWorkflow->getId());
-        $aAdminPages[] = array('name' => _('Actions'), 'query' => 'action=manageActions&fWorkflowId=' . $this->oWorkflow->getId());
+        $aAdminPages[] = array('name' => _kt('Overview'), 'query' => 'action=editWorkflow&fWorkflowId=' . $this->oWorkflow->getId());
+        $aAdminPages[] = array('name' => _kt('States'), 'query' => 'action=manageStates&fWorkflowId=' . $this->oWorkflow->getId());
+        $aAdminPages[] = array('name' => _kt('Transitions'), 'query' => 'action=manageTransitions&fWorkflowId=' . $this->oWorkflow->getId());
+        $aAdminPages[] = array('name' => _kt('Actions'), 'query' => 'action=manageActions&fWorkflowId=' . $this->oWorkflow->getId());
         $oTemplating =& KTTemplating::getSingleton();        
         $oTemplate = $oTemplating->loadTemplate("ktcore/workflow/admin_portlet");
@@ -88,7 +88,7 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
     function check() {
         $this->aBreadcrumbs[] = array(
             'url' => $_SERVER['PHP_SELF'],
-            'name' => _('Workflows'),
+            'name' => _kt('Workflows'),
         );
         $this->oWorkflow =& KTWorkflow::get($_REQUEST['fWorkflowId']);
         if (!PEAR::isError($this->oWorkflow)) {
@@ -97,7 +97,7 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
                'query' => 'action=editWorkflow&fWorkflowId=' . $this->oWorkflow->getId(),
                'name' => $this->oWorkflow->getName(),
             );
-            $this->oPage->addPortlet(new WorkflowNavigationPortlet(_('Workflow'), $this->oWorkflow));        
+            $this->oPage->addPortlet(new WorkflowNavigationPortlet(_kt('Workflow'), $this->oWorkflow));        
         }
         return true;
@@ -239,7 +239,7 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
         $aInfo = $this->aWorkflowInfo;
         // no controlled actions => all available
-        if (empty($aInfo['controlled_actions'])) { return _('All actions available.'); }
+        if (empty($aInfo['controlled_actions'])) { return _kt('All actions available.'); }
         $aAlways = array();
@@ -258,7 +258,7 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
         $aThese = array_merge($aAlways, $aNamedActions);
         // some controlled.  we need to be careful here:  list actions that _are always_ available
-        if (empty($aThese)) { return _('No actions available.'); }
+        if (empty($aThese)) { return _kt('No actions available.'); }
         // else
         $aActions = array();
@@ -270,16 +270,16 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
         $aInfo = $this->aWorkflowInfo;
         //var_dump($aInfo['transitions_to_state'][$oState->getId()]);
         if (($aInfo['workflow']->getStartStateId() != $oState->getId()) && (empty($aInfo['transitions_to_state'][$oState->getId()]))) {
-            return '<strong>' . _('This state is unreachable.') . '</strong>';
+            return '<strong>' . _kt('This state is unreachable.') . '</strong>';
         }
         if ($aInfo['workflow']->getStartStateId() == $oState->getId() && (empty($aInfo['transitions_to_state'][$oState->getId()]))) {
-            return '<strong>' . _('Documents start in this state') . '</strong>';            
+            return '<strong>' . _kt('Documents start in this state') . '</strong>';            
         }
         $aT = array();
         if ($aInfo['workflow']->getStartStateId() == $oState->getId()) {
-            $aT[] = '<strong>' . _('Documents start in this state') . '</strong>';            
+            $aT[] = '<strong>' . _kt('Documents start in this state') . '</strong>';            
         }
         foreach ($aInfo['transitions_to_state'][$oState->getId()] as $aTransition) { 
@@ -326,23 +326,23 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
         $sNotify = '';
         if (!empty($aUsers)) {
-            $sNotify .= '<em>' . _('Users:') . '</em> ';
+            $sNotify .= '<em>' . _kt('Users:') . '</em> ';
             $sNotify .= implode(', ', $aUsers);
         }
         if (!empty($aGroups)) {
             if (!empty($sNotify)) { $sNotify .= ' &mdash; '; }
-            $sNotify .= '<em>' . _('Groups:') . '</em> ';
+            $sNotify .= '<em>' . _kt('Groups:') . '</em> ';
             $sNotify .= implode(', ', $aGroups);
         }
         if (!empty($aRoles)) {
             if (!empty($sNotify)) { $sNotify .= ' &mdash; '; }
-            $sNotify .= '<em>' . _('Roles:') . '</em> ';
+            $sNotify .= '<em>' . _kt('Roles:') . '</em> ';
             $sNotify .= implode(', ', $aRoles);
         }
-        if (empty($sNotify)) { $sNotify = _('No users to be notified.'); }
+        if (empty($sNotify)) { $sNotify = _kt('No users to be notified.'); }
         return $sNotify;
     }
@@ -375,7 +375,7 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
         $aInfo = $this->aWorkflowInfo;      
         if (empty($aInfo['transitions_from_state'][$oState->getId()])) {
-            return '<strong>' . _('No transitions available') . '</strong>';
+            return '<strong>' . _kt('No transitions available') . '</strong>';
         }
         $aT = array();
@@ -392,7 +392,7 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
         $aPerms = (array) $aInfo['permissions_by_state'][$oState->getId()];
         if (empty($aPerms)) {
-            $aStr = _('No permissions are changed in this state.');
+            $aStr = _kt('No permissions are changed in this state.');
             return $aStr;
         }
@@ -411,7 +411,7 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
     function do_main () {
         $add_fields = array();
-        $add_fields[] = new KTStringWidget(_('Name'),_('A human-readable name for the workflow.'), 'fName', null, $this->oPage, true);
+        $add_fields[] = new KTStringWidget(_kt('Name'), _('A human-readable name for the workflow.'), 'fName', null, $this->oPage, true);
         $oTemplating =& KTTemplating::getSingleton();
         $oTemplate =& $oTemplating->loadTemplate('ktcore/workflow/listWorkflows');
@@ -438,7 +438,7 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
         $aStates = $aInfo['states'];
         $edit_fields = array();
-        $edit_fields[] = new KTStringWidget(_('Name'), _('A human-readable name for the workflow.'), 'fName', $oWorkflow->getName(), $this->oPage, true);
+        $edit_fields[] = new KTStringWidget(_kt('Name'), _('A human-readable name for the workflow.'), 'fName', $oWorkflow->getName(), $this->oPage, true);
         $aOptions = array();
         $vocab = array();
         $vocab[0] = 'None - documents cannot use this workflow.';
@@ -446,14 +446,14 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
             $vocab[$state->getId()] = $state->getName();
         } 
         $aOptions['vocab'] = $vocab;        
-        $edit_fields[] = new KTLookupWidget(_('Starting State'), _('When a document has this workflow applied to it, to which state should it initially be set.  <strong>Note that workflows without a starting state cannot be applied to documents.</strong>'), 'fStartStateId', $oWorkflow->getStartStateId(), $this->oPage, false, null, null, $aOptions);
+        $edit_fields[] = new KTLookupWidget(_kt('Starting State'), _('When a document has this workflow applied to it, to which state should it initially be set.  <strong>Note that workflows without a starting state cannot be applied to documents.</strong>'), 'fStartStateId', $oWorkflow->getStartStateId(), $this->oPage, false, null, null, $aOptions);
         if (is_null($oWorkflow->getStartStateId())) {
-            $this->oPage->addInfo(_('This workflow is currently disabled.  To enable it, please assign a starting state in the "Edit workflow properties" box.'));
+            $this->oPage->addInfo(_kt('This workflow is currently disabled.  To enable it, please assign a starting state in the "Edit workflow properties" box.'));
         }
         /*
         $add_state_fields = array();
-        $add_state_fields[] = new KTStringWidget(_('Name'), _('A human-readable name for the state.'), 'fName', null, $this->oPage, true);
+        $add_state_fields[] = new KTStringWidget(_kt('Name'), _('A human-readable name for the state.'), 'fName', null, $this->oPage, true);
         */
@@ -502,10 +502,10 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
         $this->oValidator->notErrorFalse($res, array(
             'redirect_to' => array('editWorkflow', 'fWorkflowId=' . $oWorkflow->getId()),
-            'message' => _('Error saving workflow'),
+            'message' => _kt('Error saving workflow'),
         ));
-        $this->successRedirectTo('editWorkflow', _('Changes saved'), 'fWorkflowId=' . $oWorkflow->getId());
+        $this->successRedirectTo('editWorkflow', _kt('Changes saved'), 'fWorkflowId=' . $oWorkflow->getId());
         exit(0);
     }
     // }}}
@@ -521,7 +521,7 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
 /*        if(!PEAR::isError(KTWorkflow::getByName($sName))) {
-            $this->errorRedirectToMain(_("A state with that name already exists"));
+            $this->errorRedirectToMain(_kt("A state with that name already exists"));
         }*/
         $res = KTWorkflow::createFromArray(array(
@@ -530,9 +530,9 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
         ));
         $this->oValidator->notError($res, array(
             'redirect_to' => array('main'),
-            'message' => _('Could not create workflow'),
+            'message' => _kt('Could not create workflow'),
         ));
-        $this->successRedirectTo('editWorkflow', _('Workflow created'), 'fWorkflowId=' . $res->getId());
+        $this->successRedirectTo('editWorkflow', _kt('Workflow created'), 'fWorkflowId=' . $res->getId());
         exit(0);
     }
     // }}}
@@ -550,12 +550,12 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
         $this->oValidator->notErrorFalse($res, array(
             'redirect_to' => array('main'),
-            'message' => _('Error saving workflow'),
+            'message' => _kt('Error saving workflow'),
         ));
         $this->commitTransaction();
-        $this->successRedirectToMain(_('Changes saved'));
+        $this->successRedirectToMain(_kt('Changes saved'));
         exit(0);
     }
     // }}}
@@ -610,7 +610,7 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
         $aInfo = $this->buildWorkflowInfo($oWorkflow);
         $add_fields = array();
-        $add_fields[] = new KTStringWidget(_('Name'), _('A human-readable name for the state.'), 'fName', null, $this->oPage, true);
+        $add_fields[] = new KTStringWidget(_kt('Name'), _('A human-readable name for the state.'), 'fName', null, $this->oPage, true);
@@ -663,21 +663,21 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
         $aConditions = KTSavedSearch::getConditions();
         $add_transition_fields = array();
-        $add_transition_fields[] = new KTStringWidget(_('Name'), _('A human-readable name for the transition.'), 'fName', null, $this->oPage, true);
+        $add_transition_fields[] = new KTStringWidget(_kt('Name'), _('A human-readable name for the transition.'), 'fName', null, $this->oPage, true);
         $aOptions = array();
         $vocab = array();
         foreach($aInfo['states'] as $state) {
             $vocab[$state->getId()] = $state->getName();
         } 
         $aOptions['vocab'] = $vocab;
-        $add_transition_fields[] = new KTLookupWidget(_('Destination State'), _('Once this transition is complete, which state should the document be in?'), 'fTargetStateId', $oWorkflow->getStartStateId(), $this->oPage, true, null, null, $aOptions);
+        $add_transition_fields[] = new KTLookupWidget(_kt('Destination State'), _('Once this transition is complete, which state should the document be in?'), 'fTargetStateId', $oWorkflow->getStartStateId(), $this->oPage, true, null, null, $aOptions);
         $aOptions = array();
         $vocab = array();
         foreach($aInfo['permissions'] as $permission) {
             $vocab[$permission->getId()] = $permission->getHumanName();
         } 
         $aOptions['vocab'] = $vocab;
-        $add_transition_fields[] = new KTLookupWidget(_('Guard Permission.'), _('Which permission must the user have in order to follow this transition?'), 'fPermissionId', NULL, $this->oPage, true, null, null, $aOptions);
+        $add_transition_fields[] = new KTLookupWidget(_kt('Guard Permission.'), _('Which permission must the user have in order to follow this transition?'), 'fPermissionId', NULL, $this->oPage, true, null, null, $aOptions);
         $aOptions = array();
         $vocab = array();
@@ -686,7 +686,7 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
             $vocab[$group->getId()] = $group->getName();
         } 
         $aOptions['vocab'] = $vocab;
-        $add_transition_fields[] = new KTLookupWidget(_('Guard Group.'), _('Which group must the user belong to in order to follow this transition?'), 'fGroupId', NULL, $this->oPage, false, null, null, $aOptions);
+        $add_transition_fields[] = new KTLookupWidget(_kt('Guard Group.'), _('Which group must the user belong to in order to follow this transition?'), 'fGroupId', NULL, $this->oPage, false, null, null, $aOptions);
         $aOptions = array();
         $vocab = array();
         $vocab[0] = 'None';
@@ -694,7 +694,7 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
             $vocab[$role->getId()] = $role->getName();
         } 
         $aOptions['vocab'] = $vocab;
-        $add_transition_fields[] = new KTLookupWidget(_('Guard Role.'), _('Which role must the user have in order to follow this transition?'), 'fRoleId', NULL, $this->oPage, false, null, null, $aOptions);
+        $add_transition_fields[] = new KTLookupWidget(_kt('Guard Role.'), _('Which role must the user have in order to follow this transition?'), 'fRoleId', NULL, $this->oPage, false, null, null, $aOptions);
         if (!empty($aConditions)) {
             $aOptions = array();
@@ -704,7 +704,7 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
                 $vocab[$condition->getId()] = $condition->getName();
             } 
             $aOptions['vocab'] = $vocab;
-            $edit_fields[] = new KTLookupWidget(_('Guard Condition.'), _('Which condition (stored search) must be satisfied before the transition can take place?'), 'fConditionId', NULL, $this->oPage, false, null, null, $aOptions);
+            $edit_fields[] = new KTLookupWidget(_kt('Guard Condition.'), _('Which condition (stored search) must be satisfied before the transition can take place?'), 'fConditionId', NULL, $this->oPage, false, null, null, $aOptions);
         }
@@ -739,12 +739,12 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
             $res = KTWorkflowUtil::saveTransitionsFrom($oState, $transitions);
             if (PEAR::isError($res)) {
-                $this->errorRedirectTo('manageTransitions', _('Error updating transitions:') . $res->getMessage(), sprintf('fWorkflowId=%d', $oWorkflow->getId()));
+                $this->errorRedirectTo('manageTransitions', _kt('Error updating transitions:') . $res->getMessage(), sprintf('fWorkflowId=%d', $oWorkflow->getId()));
             }
         }
         $this->commitTransaction();
-        $this->successRedirectTo('manageTransitions', _('Transition Availability updated.'), sprintf('fWorkflowId=%d', $oWorkflow->getId()));
+        $this->successRedirectTo('manageTransitions', _kt('Transition Availability updated.'), sprintf('fWorkflowId=%d', $oWorkflow->getId()));
     }
@@ -765,12 +765,12 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
             $res = KTWorkflowUtil::setEnabledActionsForState($oState, $actions);
             if (PEAR::isError($res)) {
-                $this->errorRedirectTo('manageActions', _('Error updating actions:') . $res->getMessage(), sprintf('fWorkflowId=%d', $oWorkflow->getId()));
+                $this->errorRedirectTo('manageActions', _kt('Error updating actions:') . $res->getMessage(), sprintf('fWorkflowId=%d', $oWorkflow->getId()));
             }
         }
         $this->commitTransaction();
-        $this->successRedirectTo('manageActions', _('Action availability updated.'), sprintf('fWorkflowId=%d', $oWorkflow->getId()));
+        $this->successRedirectTo('manageActions', _kt('Action availability updated.'), sprintf('fWorkflowId=%d', $oWorkflow->getId()));
     }
     // {{{ do_setWorkflowActions
@@ -779,9 +779,9 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
         $res = KTWorkflowUtil::setControlledActionsForWorkflow($oWorkflow, $_REQUEST['fActions']);
         $this->oValidator->notErrorFalse($res, array(
             'redirect_to' => array('editWorkflow', 'fWorkflowId=' . $oWorkflow->getId()),
-            'message' => _('Error saving workflow controlled actions'),
+            'message' => _kt('Error saving workflow controlled actions'),
         ));
-        $this->successRedirectTo('manageActions', _('Controlled actions changed.'), 'fWorkflowId=' . $oWorkflow->getId());
+        $this->successRedirectTo('manageActions', _kt('Controlled actions changed.'), 'fWorkflowId=' . $oWorkflow->getId());
         exit(0);
     }
     // }}}
@@ -806,7 +806,7 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
         // check there are no other states by that name in this workflow
         $aStates = KTWorkflowState::getList(sprintf("workflow_id = %d and name = '%s'", $iWorkflowId, $sName));
         if(count($aStates)) {
-            $this->errorRedirectTo(implode('&', $aErrorOptions['redirect_to']), _("A state by that name already exists"));
+            $this->errorRedirectTo(implode('&', $aErrorOptions['redirect_to']), _kt("A state by that name already exists"));
         }
         $oState = KTWorkflowState::createFromArray(array(
@@ -817,16 +817,16 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
         $this->oValidator->notError($oState, array(
             'redirect_to' => array('createState', 'fWorkflowId=' .  $oWorkflow->getId()),
-            'message' => _('Could not create workflow state'),
+            'message' => _kt('Could not create workflow state'),
         ));
         $res = KTWorkflowUtil::setEnabledActionsForState($oState, $_REQUEST['fActions']);
         $this->oValidator->notErrorFalse($res, array(
             'redirect_to' => array('editState', 'fWorkflowId=' . $oWorkflow->getId(), '&fStateId=' .  $oState->getId()),
-            'message' => _('Error saving state enabled actions'),
+            'message' => _kt('Error saving state enabled actions'),
         ));
-        $this->successRedirectTo('editState', _('Workflow state created'), 'fWorkflowId=' . $oWorkflow->getId() . '&fStateId=' .  $oState->getId());
+        $this->successRedirectTo('editState', _kt('Workflow state created'), 'fWorkflowId=' . $oWorkflow->getId() . '&fStateId=' .  $oState->getId());
         exit(0);
     }
     // }}}
@@ -853,12 +853,12 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
         }
         $aTransitionsSelected = KTWorkflowUtil::getTransitionsFrom($oState, array('ids' => true));
-        $this->oPage->setBreadcrumbDetails(_('State') . ': ' . $oState->getName());
+        $this->oPage->setBreadcrumbDetails(_kt('State') . ': ' . $oState->getName());
         $aInformed = KTWorkflowUtil::getInformedForState($oState);
         $editForm = array();
-        $editForm[] = new KTStringWidget(_('Name'), _('A human-readable name for this state.  This is shown on the "Browse" page, as well as on the users workflow page.'), 'fName', $oState->getName(), $this->oPage, true);
+        $editForm[] = new KTStringWidget(_kt('Name'), _('A human-readable name for this state.  This is shown on the "Browse" page, as well as on the users workflow page.'), 'fName', $oState->getName(), $this->oPage, true);
         $this->getPermissionAssignmentsForState($oState);
@@ -894,9 +894,9 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
         $res = $oState->update();
         $this->oValidator->notErrorFalse($res, array(
             'redirect_to' => array('editState', 'fWorkflowId=' . $oWorkflow->getId() . '&fStateId=' . $oState->getId()),
-            'message' => _('Error saving state'),
+            'message' => _kt('Error saving state'),
         ));
-        $this->successRedirectTo('editState', _('Changes saved'), 'fWorkflowId=' . $oWorkflow->getId() . '&fStateId=' .  $oState->getId());
+        $this->successRedirectTo('editState', _kt('Changes saved'), 'fWorkflowId=' . $oWorkflow->getId() . '&fStateId=' .  $oState->getId());
         exit(0);
     }
     // }}}
@@ -905,7 +905,7 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
         $oWorkflow =& $this->oValidator->validateWorkflow($_REQUEST['fWorkflowId']);
         $oState =& $this->oValidator->validateWorkflowState($_REQUEST['fStateId']);
         $aInfo = $this->buildWorkflowInfo($oWorkflow);
-        if (!$aInfo['can_delete']) { $this->errorRedirectTo('manageStates', _('May not delete items from an active workflow'), 'fWorkflowId=' . $oWorkflow->getId()); }
+        if (!$aInfo['can_delete']) { $this->errorRedirectTo('manageStates', _kt('May not delete items from an active workflow'), 'fWorkflowId=' . $oWorkflow->getId()); }
         $this->startTransaction();
@@ -917,7 +917,7 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
             array($oState->getId()),
         );
         $res = DBUtil::runQuery($aQuery);        
-        if (PEAR::isError($res)) { $this->errorRedirectTo('manageStates', _('Unable to clear references to item'), 'fWorkflowId=' . $oWorkflow->getId()); }
+        if (PEAR::isError($res)) { $this->errorRedirectTo('manageStates', _kt('Unable to clear references to item'), 'fWorkflowId=' . $oWorkflow->getId()); }
         // transitions ending in that state
         $aTransitionNames = array();
@@ -929,10 +929,10 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
                 array($oTransition->getId()),
             );
             $res = DBUtil::runQuery($aQuery);        
-            if (PEAR::isError($res)) { $this->errorRedirectTo('manageStates', _('Unable to remove transition references for: ') . $oTransition->getName(), 'fWorkflowId=' . $oWorkflow->getId()); }
+            if (PEAR::isError($res)) { $this->errorRedirectTo('manageStates', _kt('Unable to remove transition references for: ') . $oTransition->getName(), 'fWorkflowId=' . $oWorkflow->getId()); }
             $res = $oTransition->delete();
-            if (PEAR::isError($res)) { $this->errorRedirectTo('manageStates', _('Unable to remove transition: ') . $oTransition->getName(), 'fWorkflowId=' . $oWorkflow->getId()); }
+            if (PEAR::isError($res)) { $this->errorRedirectTo('manageStates', _kt('Unable to remove transition: ') . $oTransition->getName(), 'fWorkflowId=' . $oWorkflow->getId()); }
             $aTransitionNames[] = $oTransition->getName();
         }
@@ -941,19 +941,19 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
         if ($oState->getId() == $oWorkflow->getStartStateId()) {
             $oWorkflow->setStartStateId(null);
             $res = $oWorkflow->update();
-            if (PEAR::isError($res)) { $this->errorRedirectTo('manageStates', _('Unable to change workflow starting state: ') . $res->getMessage(), 'fWorkflowId=' . $oWorkflow->getId()); }
+            if (PEAR::isError($res)) { $this->errorRedirectTo('manageStates', _kt('Unable to change workflow starting state: ') . $res->getMessage(), 'fWorkflowId=' . $oWorkflow->getId()); }
         }
         // finally, delete the state
         $res = $oState->delete();         // does this handle referential integrity?
-        if (PEAR::isError($res)) { $this->errorRedirectTo('manageStates', _('Unable to delete item: ') . $res->getMessage(), 'fWorkflowId=' . $oWorkflow->getId()); }        
+        if (PEAR::isError($res)) { $this->errorRedirectTo('manageStates', _kt('Unable to delete item: ') . $res->getMessage(), 'fWorkflowId=' . $oWorkflow->getId()); }        
         $this->commitTransaction();
         if (!empty($aTransitionNames)) {
             $sTransitionNames = implode (', ', $aTransitionNames);
-            $msg = sprintf(_('State deleted. Also deleted transitions ending in that state: %s'), $sTransitionNames);
+            $msg = sprintf(_kt('State deleted. Also deleted transitions ending in that state: %s'), $sTransitionNames);
         } else {
-            $msg = _('State deleted.');
+            $msg = _kt('State deleted.');
         }
         $this->successRedirectTo('manageStates', $msg, 'fWorkflowId=' . $oWorkflow->getId());
@@ -987,7 +987,7 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
                 );
                 $res = KTWorkflowStatePermissionAssignment::createFromArray($aOpts);
                 if (PEAR::isError($res)) {
-                    $this->errorRedirectTo('editState',_('Failed to create permission assignment: ') . $res->getMessage(),sprintf('fStateId=%d&fWorkflowId=%d',$oState->getId(),$oWorkflow->getId()));
+                    $this->errorRedirectTo('editState', _kt('Failed to create permission assignment: ') . $res->getMessage(),sprintf('fStateId=%d&fWorkflowId=%d',$oState->getId(),$oWorkflow->getId()));
                 }
             } else {
@@ -1007,7 +1007,7 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
         KTPermissionUtil::updatePermissionLookupForState($oState);
-        $this->successRedirectTo('editState', _('Permissions for workflow assigned'),sprintf('fStateId=%d&fWorkflowId=%d',$oState->getId(),$oWorkflow->getId())); 
+        $this->successRedirectTo('editState', _kt('Permissions for workflow assigned'),sprintf('fStateId=%d&fWorkflowId=%d',$oState->getId(),$oWorkflow->getId())); 
     }
     function do_assignStatePermissions() {
@@ -1028,16 +1028,16 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
             $oAlloc = KTWorkflowStatePermissionAssignment::get($iAllocId);
             //var_dump($aAllowed);
             $oDescriptor = KTPermissionUtil::getOrCreateDescriptor($aAllowed);            
-            if (PEAR::isError($oDescriptor)) { $this->errorRedirectTo('editState', _('Failed to allocate as specified.'), $exitQS); } 
+            if (PEAR::isError($oDescriptor)) { $this->errorRedirectTo('editState', _kt('Failed to allocate as specified.'), $exitQS); } 
             $oAlloc->setDescriptorId($oDescriptor->getId());
             $res = $oAlloc->update();
-            if (PEAR::isError($res)) { $this->errorRedirectTo('editState', _('Failed to allocate as specified.'), $exitQS); }             
+            if (PEAR::isError($res)) { $this->errorRedirectTo('editState', _kt('Failed to allocate as specified.'), $exitQS); }             
         }
         KTPermissionUtil::updatePermissionLookupForState($oState);
-        $this->successRedirectTo('editState', _('Permissions Allocated.'), $exitQS);
+        $this->successRedirectTo('editState', _kt('Permissions Allocated.'), $exitQS);
     }
     // {{{ do_saveTransitions
@@ -1047,9 +1047,9 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
         $res = KTWorkflowUtil::saveTransitionsFrom($oState, $_REQUEST['fTransitionIds']);
         $this->oValidator->notErrorFalse($res, array(
             'redirect_to' => array('editState', 'fWorkflowId=' . $oWorkflow->getId() . '&fStateId=' . $oState->getId()),
-            'message' => _('Error saving transitions'),
+            'message' => _kt('Error saving transitions'),
         ));
-        $this->successRedirectTo('editState', _('Changes saved'), 'fWorkflowId=' . $oWorkflow->getId() . '&fStateId=' .  $oState->getId());
+        $this->successRedirectTo('editState', _kt('Changes saved'), 'fWorkflowId=' . $oWorkflow->getId() . '&fStateId=' .  $oState->getId());
         exit(0);
     }
     // }}}
@@ -1058,10 +1058,10 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
         $oWorkflow =& $this->oValidator->validateWorkflow($_REQUEST['fWorkflowId']);
         $oTransition =& KTWorkflowTransition::get($_REQUEST['fTransitionId']);
         if (PEAR::isError($oTransition)) {
-            $this->errorRedirectTo('manageTransitions', _('Invalid transition'),'fWorkflowId=' . $oWorkflow->getId()); 
+            $this->errorRedirectTo('manageTransitions', _kt('Invalid transition'),'fWorkflowId=' . $oWorkflow->getId()); 
         }
         $aInfo = $this->buildWorkflowInfo($oWorkflow);
-        if (!$aInfo['can_delete']) { $this->errorRedirectTo('manageTransitions', _('May not delete items from an active workflow'), 'fWorkflowId=' . $oWorkflow->getId()); }
+        if (!$aInfo['can_delete']) { $this->errorRedirectTo('manageTransitions', _kt('May not delete items from an active workflow'), 'fWorkflowId=' . $oWorkflow->getId()); }
         $this->startTransaction();
         $sTable = KTUtil::getTableName('workflow_state_transitions');
@@ -1070,12 +1070,12 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
             array($oTransition->getId()),
         );
         $res = DBUtil::runQuery($aQuery);        
-        if (PEAR::isError($res)) { $this->errorRedirectTo('manageTransitions', _('Unable to remove transition references for: ') . $oTransition->getName(), 'fWorkflowId=' . $oWorkflow->getId()); }                            
+        if (PEAR::isError($res)) { $this->errorRedirectTo('manageTransitions', _kt('Unable to remove transition references for: ') . $oTransition->getName(), 'fWorkflowId=' . $oWorkflow->getId()); }                            
         $res = $oTransition->delete();         // does this handle referential integrity?
-        if (PEAR::isError($res)) { $this->errorRedirectTo('manageTransitions', _('Unable to delete item'), 'fWorkflowId=' . $oWorkflow->getId()); }
+        if (PEAR::isError($res)) { $this->errorRedirectTo('manageTransitions', _kt('Unable to delete item'), 'fWorkflowId=' . $oWorkflow->getId()); }
         $this->commitTransaction();
-        $this->successRedirectTo('manageTransitions', _('Transition deleted.'), 'fWorkflowId=' . $oWorkflow->getId());
+        $this->successRedirectTo('manageTransitions', _kt('Transition deleted.'), 'fWorkflowId=' . $oWorkflow->getId());
     }    
     // {{{ do_setStateActions
@@ -1085,9 +1085,9 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
         $res = KTWorkflowUtil::setEnabledActionsForState($oState, $_REQUEST['fActions']);
         $this->oValidator->notErrorFalse($res, array(
             'redirect_to' => array('editState', 'fWorkflowId=' . $oWorkflow->getId(), '&fStateId=' .  $oState->getId()),
-            'message' => _('Error saving state enabled actions'),
+            'message' => _kt('Error saving state enabled actions'),
         ));
-        $this->successRedirectTo('manageActions', _('Controlled Actions changed.'), 'fWorkflowId=' . $oWorkflow->getId() . '&fStateId=' .  $oState->getId());
+        $this->successRedirectTo('manageActions', _kt('Controlled Actions changed.'), 'fWorkflowId=' . $oWorkflow->getId() . '&fStateId=' .  $oState->getId());
         exit(0);
     }
     // }}}
@@ -1104,23 +1104,23 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
             $aNotification['role'] = array();
         }
         if (!is_array($aNotification['role'])) {
-            $this->errorRedirectTo($sTargetAction, _('Invalid roles specified'), $sTargetParams);
+            $this->errorRedirectTo($sTargetAction, _kt('Invalid roles specified'), $sTargetParams);
         }
         if (empty($aNotification['group'])) {
             $aNotification['group'] = array();
         }
         if (!is_array($aNotification['group'])) {
-            $this->errorRedirectTo($sTargetAction, _('Invalid groups specified'), $sTargetParams);
+            $this->errorRedirectTo($sTargetAction, _kt('Invalid groups specified'), $sTargetParams);
         }
         $aNotification['user'] = array(); // force override
         $res = KTWorkflowUtil::setInformedForState($oState, $aNotification);
         if (PEAR::isError($res)) {
-            $this->errorRedirectTo($sTargetAction, sprintf(_('Failed to update the notification lists: %s'),$res->getMessage()), $sTargetParams); 
+            $this->errorRedirectTo($sTargetAction, sprintf(_kt('Failed to update the notification lists: %s'),$res->getMessage()), $sTargetParams); 
         }
-        $this->successRedirectTo($sTargetAction, _('Changes saved'), $sTargetParams);
+        $this->successRedirectTo($sTargetAction, _kt('Changes saved'), $sTargetParams);
     }
     // }}}
@@ -1152,7 +1152,7 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
         // check there are no other transitions by that name in this workflow
         $aTransitions = KTWorkflowTransition::getList(sprintf("workflow_id = %d and name = '%s'", $oWorkflow->getId(), $sName));
         if(count($aTransitions)) {
-            $this->errorRedirectTo(implode('&', $aErrorOptions['redirect_to']), _("A transition by that name already exists"));
+            $this->errorRedirectTo(implode('&', $aErrorOptions['redirect_to']), _kt("A transition by that name already exists"));
         }
@@ -1181,7 +1181,7 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
         ));
         $this->oValidator->notError($res, array(
             'redirect_to' => array('editWorkflow', 'fWorkflowId=' .  $oWorkflow->getId()),
-            'message' => _('Could not create workflow transition'),
+            'message' => _kt('Could not create workflow transition'),
         ));
         // now attach it to the appropriate states.
@@ -1201,12 +1201,12 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
             }
             $res = KTWorkflowUtil::saveTransitionsFrom($oState, $aTransitionIds);
             if (PEAR::isError($res)) {
-                $this->errorRedirectTo('manageTransitions',sprintf(_('Unable to assign new transition to state %s'),$oState->getName()), sprintf('fWorkflowId=%d', $oWorkflow->getId()));
+                $this->errorRedirectTo('manageTransitions',sprintf(_kt('Unable to assign new transition to state %s'),$oState->getName()), sprintf('fWorkflowId=%d', $oWorkflow->getId()));
             }
         }
-        $this->successRedirectTo('editTransition', _('Workflow transition created'), sprintf('fWorkflowId=%d&fTransitionId=%d', $oWorkflow->getId(), $newTransition->getId()));
+        $this->successRedirectTo('editTransition', _kt('Workflow transition created'), sprintf('fWorkflowId=%d&fTransitionId=%d', $oWorkflow->getId(), $newTransition->getId()));
         exit(0);
     }
     // }}}
@@ -1224,14 +1224,14 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
         $aConditions = KTSavedSearch::getConditions();
         $edit_fields = array();
-        $edit_fields[] = new KTStringWidget(_('Name'), _('A human-readable name for the state.'), 'fName', $oTransition->getName(), $this->oPage, true);
+        $edit_fields[] = new KTStringWidget(_kt('Name'), _('A human-readable name for the state.'), 'fName', $oTransition->getName(), $this->oPage, true);
         $aOptions = array();
         $vocab = array();
         foreach($aStates as $state) {
             $vocab[$state->getId()] = $state->getName();
         } 
         $aOptions['vocab'] = $vocab;
-        $edit_fields[] = new KTLookupWidget(_('Destination State'), _('Once this transition is complete, which state should the document be in?'), 'fTargetStateId', $oTransition->getTargetStateId(), $this->oPage, true, null, null, $aOptions);
+        $edit_fields[] = new KTLookupWidget(_kt('Destination State'), _('Once this transition is complete, which state should the document be in?'), 'fTargetStateId', $oTransition->getTargetStateId(), $this->oPage, true, null, null, $aOptions);
         $aOptions = array();
         $vocab = array();
         $vocab[0] = 'None';
@@ -1239,7 +1239,7 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
             $vocab[$permission->getId()] = $permission->getHumanName();
         } 
         $aOptions['vocab'] = $vocab;
-        $edit_fields[] = new KTLookupWidget(_('Guard Permission.'), _('Which permission must the user have in order to follow this transition?'), 'fPermissionId', $oTransition->getGuardPermissionId(), $this->oPage, true, null, null, $aOptions);
+        $edit_fields[] = new KTLookupWidget(_kt('Guard Permission.'), _('Which permission must the user have in order to follow this transition?'), 'fPermissionId', $oTransition->getGuardPermissionId(), $this->oPage, true, null, null, $aOptions);
         $aOptions = array();
         $vocab = array();
         $vocab[0] = 'None';
@@ -1247,7 +1247,7 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
             $vocab[$group->getId()] = $group->getName();
         } 
         $aOptions['vocab'] = $vocab;
-        $edit_fields[] = new KTLookupWidget(_('Guard Group.'), _('Which group must the user belong to in order to follow this transition?'), 'fGroupId', $oTransition->getGuardGroupId(), $this->oPage, false, null, null, $aOptions);
+        $edit_fields[] = new KTLookupWidget(_kt('Guard Group.'), _('Which group must the user belong to in order to follow this transition?'), 'fGroupId', $oTransition->getGuardGroupId(), $this->oPage, false, null, null, $aOptions);
         $aOptions = array();
         $vocab = array();
         $vocab[0] = 'None';
@@ -1255,7 +1255,7 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
             $vocab[$role->getId()] = $role->getName();
         } 
         $aOptions['vocab'] = $vocab;
-        $edit_fields[] = new KTLookupWidget(_('Guard Role.'), _('Which role must the user have in order to follow this transition?'), 'fRoleId', $oTransition->getGuardRoleId(), $this->oPage, false, null, null, $aOptions);
+        $edit_fields[] = new KTLookupWidget(_kt('Guard Role.'), _('Which role must the user have in order to follow this transition?'), 'fRoleId', $oTransition->getGuardRoleId(), $this->oPage, false, null, null, $aOptions);
         if (!empty($aConditions)) {
             $aOptions = array();
@@ -1265,7 +1265,7 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
                 $vocab[$condition->getId()] = $condition->getName();
             } 
             $aOptions['vocab'] = $vocab;
-            $edit_fields[] = new KTLookupWidget(_('Guard Condition.'), _('Which condition (stored search) must be satisfied before the transition can take place?'), 'fConditionId', $oTransition->getGuardConditionId(), $this->oPage, false, null, null, $aOptions);
+            $edit_fields[] = new KTLookupWidget(_kt('Guard Condition.'), _('Which condition (stored search) must be satisfied before the transition can take place?'), 'fConditionId', $oTransition->getGuardConditionId(), $this->oPage, false, null, null, $aOptions);
         }
         $this->aBreadcrumbs[] = array(
@@ -1328,9 +1328,9 @@ class KTWorkflowDispatcher extends KTAdminDispatcher {
         $res = $oTransition->update();
         $this->oValidator->notErrorFalse($res, array(
             'redirect_to' => array('editTransition', 'fWorkflowId=' . $oWorkflow->getId() . '&fTransitionId=' . $oTransition->getId()),
-            'message' => _('Error saving transition'),
+            'message' => _kt('Error saving transition'),
         ));
-        $this->successRedirectTo('editTransition', _('Changes saved'), 'fWorkflowId=' . $oWorkflow->getId() . '&fTransitionId=' .  $oTransition->getId());
+        $this->successRedirectTo('editTransition', _kt('Changes saved'), 'fWorkflowId=' . $oWorkflow->getId() . '&fTransitionId=' .  $oTransition->getId());
         exit(0);
     }
     // }}}
@@ -37,7 +37,7 @@ class KTAuthenticationAdminPage extends KTAdminDispatcher {
     function check() {
         $res = parent::check();
-        $this->aBreadcrumbs[] = array('name' => _('Authentication'), 'url' => $_SERVER['PHP_SELF']);
+        $this->aBreadcrumbs[] = array('name' => _kt('Authentication'), 'url' => $_SERVER['PHP_SELF']);
         return $res;
     }
@@ -45,7 +45,7 @@ class KTAuthenticationAdminPage extends KTAdminDispatcher {
         $oTemplate =& $this->oValidator->validateTemplate('ktcore/authentication/manage');
         $fields = array();
-        $fields[] = new KTStringWidget(_('Name'), _('A short name which helps identify this source of authentication data.'), 'name', "", $this->oPage, true);
+        $fields[] = new KTStringWidget(_kt('Name'), _('A short name which helps identify this source of authentication data.'), 'name', "", $this->oPage, true);
         $aVocab = array();
         $oRegistry =& KTAuthenticationProviderRegistry::getSingleton();
@@ -54,7 +54,7 @@ class KTAuthenticationAdminPage extends KTAdminDispatcher {
             $aVocab[$aProvider[2]] = $aProvider[0];
         }
         $fieldOptions = array("vocab" => $aVocab);
-        $fields[] = new KTLookupWidget(_('Authentication provider'), _('The type of source (e.g. <strong>LDAP</strong>)'), 'authentication_provider', null, $this->oPage, true, null, $fieldErrors, $fieldOptions);
+        $fields[] = new KTLookupWidget(_kt('Authentication provider'), _('The type of source (e.g. <strong>LDAP</strong>)'), 'authentication_provider', null, $this->oPage, true, null, $fieldErrors, $fieldOptions);
         $aSources = KTAuthenticationSource::getList();
@@ -71,7 +71,7 @@ class KTAuthenticationAdminPage extends KTAdminDispatcher {
         $oTemplate =& $this->oValidator->validateTemplate('ktcore/authentication/addsource');
         $fields = array();
-        $fields[] = new KTStringWidget(_('Name'), _('A short name which helps identify this source of authentication data.'), 'name', "", $this->oPage, true);
+        $fields[] = new KTStringWidget(_kt('Name'), _('A short name which helps identify this source of authentication data.'), 'name', "", $this->oPage, true);
         $aVocab = array();
         $oRegistry =& KTAuthenticationProviderRegistry::getSingleton();
@@ -80,7 +80,7 @@ class KTAuthenticationAdminPage extends KTAdminDispatcher {
             $aVocab[$aProvider[2]] = $aProvider[0];
         }
         $fieldOptions = array("vocab" => $aVocab);
-        $fields[] = new KTLookupWidget(_('Authentication provider'), _('The type of source (e.g. <strong>LDAP</strong>)'), 'authentication_provider', null, $this->oPage, true, null, $fieldErrors, $fieldOptions);
+        $fields[] = new KTLookupWidget(_kt('Authentication provider'), _('The type of source (e.g. <strong>LDAP</strong>)'), 'authentication_provider', null, $this->oPage, true, null, $fieldErrors, $fieldOptions);
         $aSources = KTAuthenticationSource::getList();
@@ -97,7 +97,7 @@ class KTAuthenticationAdminPage extends KTAdminDispatcher {
         $oTemplate =& $this->oValidator->validateTemplate('ktcore/authentication/viewsource');
         $oSource =& KTAuthenticationSource::get($_REQUEST['source_id']);
         $this->aBreadcrumbs[] = array('name' => $oSource->getName());
-        $this->oPage->setTitle(sprintf(_("Authentication source: %s"), $oSource->getName()));
+        $this->oPage->setTitle(sprintf(_kt("Authentication source: %s"), $oSource->getName()));
         $this->oPage->setBreadcrumbDetails('viewing');
         $sProvider = $oSource->getAuthenticationProvider();
         $oRegistry =& KTAuthenticationProviderRegistry::getSingleton();
@@ -119,12 +119,12 @@ class KTAuthenticationAdminPage extends KTAdminDispatcher {
                 'name' => $oSource->getName(),
                 'query' => sprintf('action=viewsource&source_id=%d', $oSource->getId()),
         );
-        $this->oPage->setTitle(sprintf(_("Editing authentication source: %s"), $oSource->getName()));
+        $this->oPage->setTitle(sprintf(_kt("Editing authentication source: %s"), $oSource->getName()));
         $this->oPage->setBreadcrumbDetails('editing');
         $fields = array();
-        $fields[] = new KTStringWidget(_('Name'), _('A short name which helps identify this source of authentication data.'), 'authentication_name', $oSource->getName(), $this->oPage, true);
+        $fields[] = new KTStringWidget(_kt('Name'), _('A short name which helps identify this source of authentication data.'), 'authentication_name', $oSource->getName(), $this->oPage, true);
         $aVocab = array();
         $oRegistry =& KTAuthenticationProviderRegistry::getSingleton();
@@ -133,7 +133,7 @@ class KTAuthenticationAdminPage extends KTAdminDispatcher {
             $aVocab[$aProvider[2]] = $aProvider[0];
         }
         $fieldOptions = array("vocab" => $aVocab);
-        $fields[] = new KTLookupWidget(_('Authentication provider'), _('The type of source (e.g. <strong>LDAP</strong>)'), 'authentication_provider', $oSource->getAuthenticationProvider(), $this->oPage, true, null, $fieldErrors, $fieldOptions);
+        $fields[] = new KTLookupWidget(_kt('Authentication provider'), _('The type of source (e.g. <strong>LDAP</strong>)'), 'authentication_provider', $oSource->getAuthenticationProvider(), $this->oPage, true, null, $fieldErrors, $fieldOptions);
         $oTemplate->setData(array(
             'context' => &$this,
@@ -161,13 +161,13 @@ class KTAuthenticationAdminPage extends KTAdminDispatcher {
         $aErrorOptions = array(
             'redirect_to' => array('main'),
         );
-        $aErrorOptions['message'] = _("No name provided");
+        $aErrorOptions['message'] = _kt("No name provided");
         $sName = KTUtil::arrayGet($_REQUEST, 'name');
         $sName = $this->oValidator->validateString($sName, $aErrorOptions);
-        $aErrorOptions['message'] = _("An authentication source with that name already exists");
+        $aErrorOptions['message'] = _kt("An authentication source with that name already exists");
         $this->oValidator->validateDuplicateName('KTAuthenticationSource', $sName, $aErrorOptions);
-        $aErrorOptions['message'] = _("No authentication provider chosen");
+        $aErrorOptions['message'] = _kt("No authentication provider chosen");
         $sProvider = KTUtil::arrayGet($_REQUEST, 'authentication_provider');
         $sProvider = $this->oValidator->validateString($sProvider, $aErrorOptions);
@@ -185,11 +185,11 @@ class KTAuthenticationAdminPage extends KTAdminDispatcher {
         $aErrorOptions = array(
             'redirect_to' => array('main'),
         );
-        $aErrorOptions['message'] = _("No name provided");
+        $aErrorOptions['message'] = _kt("No name provided");
         $sName = KTUtil::arrayGet($_REQUEST, 'name');
         $sName = $this->oValidator->validateString($sName, $aErrorOptions);
-        $aErrorOptions['message'] = _("No authentication provider chosen");
+        $aErrorOptions['message'] = _kt("No authentication provider chosen");
         $sProvider = KTUtil::arrayGet($_REQUEST, 'authentication_provider');
         $sProvider = $this->oValidator->validateString($sProvider, $aErrorOptions);
@@ -202,7 +202,7 @@ class KTAuthenticationAdminPage extends KTAdminDispatcher {
             'authenticationprovider' => $sProvider,
         ));
         $this->oValidator->notError($oSource);
-        $this->successRedirectTo('editSourceProvider', _("Source created"), sprintf('source_id=%d', $oSource->getId()));
+        $this->successRedirectTo('editSourceProvider', _kt("Source created"), sprintf('source_id=%d', $oSource->getId()));
     }
     function do_deleteSource() {
@@ -213,10 +213,10 @@ class KTAuthenticationAdminPage extends KTAdminDispatcher {
         if (empty($aUsers) && empty($aGroups)) {
             $oSource->delete();
-            $this->successRedirectToMain(_("Authentication source deleted"));
+            $this->successRedirectToMain(_kt("Authentication source deleted"));
         }
-        $this->errorRedirectToMain(_("Authentication source is still in use, not deleted"));
+        $this->errorRedirectToMain(_kt("Authentication source is still in use, not deleted"));
     }
     function do_editSourceProvider() {
@@ -44,7 +44,7 @@ class KTDocumentRenameAction extends KTDocumentAction {
     var $_sShowPermission = "ktcore.permissions.write";
     function getDisplayName() {
-        return _('Rename');
+        return _kt('Rename');
     }
     function getInfo() {
@@ -60,7 +60,7 @@ class KTDocumentRenameAction extends KTDocumentAction {
             return $res;
         }
         if ($this->oDocument->getIsCheckedOut()) {
-            $_SESSION["KTErrorMessage"][]= _("This document can't be renamed because it is checked out");
+            $_SESSION["KTErrorMessage"][]= _kt("This document can't be renamed because it is checked out");
             controllerRedirect('viewDocument', 'fDocumentId=' .  $this->oDocument->getId());
             exit(0);
         }
@@ -71,7 +71,7 @@ class KTDocumentRenameAction extends KTDocumentAction {
         $this->oPage->setBreadcrumbDetails("rename");
         $oTemplate =& $this->oValidator->validateTemplate('ktcore/action/rename');
         $fields = array();
-        $fields[] = new KTStringWidget(_('New file name'), _('The name to which the current file should be renamed.'), 'filename', "", $this->oPage, true);
+        $fields[] = new KTStringWidget(_kt('New file name'), _('The name to which the current file should be renamed.'), 'filename', "", $this->oPage, true);
         $oTemplate->setData(array(
             'context' => &$this,
@@ -94,7 +94,7 @@ class KTDocumentRenameAction extends KTDocumentAction {
             $_SESSION['KTErrorMessage'][] = $res->getMessage();
             controllerRedirect('viewDocument',sprintf('fDocumentId=%d', $this->oDocument->getId()));
         } else {
-            $_SESSION['KTInfoMessage'][] = sprintf(_('Document "%s" renamed.'),$this->oDocument->getName());
+            $_SESSION['KTInfoMessage'][] = sprintf(_kt('Document "%s" renamed.'),$this->oDocument->getName());
         }
         controllerRedirect('viewDocument', sprintf('fDocumentId=%d', $this->oDocument->getId()));
@@ -45,7 +45,7 @@ class KTBulkImportFolderAction extends KTFolderAction {
     var $bAutomaticTransaction = true;
     function getDisplayName() {
-        return _('Import from Server Location');
+        return _kt('Import from Server Location');
     }
     function getInfo() {
@@ -57,12 +57,12 @@ class KTBulkImportFolderAction extends KTFolderAction {
     }
     function do_main() {
-        $this->oPage->setBreadcrumbDetails(_("bulk import"));
+        $this->oPage->setBreadcrumbDetails(_kt("bulk import"));
         $oTemplate =& $this->oValidator->validateTemplate('ktcore/folder/bulkImport');
         $add_fields = array();
-        $add_fields[] = new KTStringWidget(_('Path'), _('The path containing the documents to be added to the document management system.'), 'path', "", $this->oPage, true);
+        $add_fields[] = new KTStringWidget(_kt('Path'), _('The path containing the documents to be added to the document management system.'), 'path', "", $this->oPage, true);
-        $aVocab = array('' => _('&lt;Please select a document type&gt;'));
+        $aVocab = array('' => _kt('&lt;Please select a document type&gt;'));
         foreach (DocumentType::getList() as $oDocumentType) {
             if(!$oDocumentType->getDisabled()) {
                 $aVocab[$oDocumentType->getId()] = $oDocumentType->getName();
@@ -70,7 +70,7 @@ class KTBulkImportFolderAction extends KTFolderAction {
         }
         $fieldOptions = array("vocab" => $aVocab);
-        $add_fields[] = new KTLookupWidget(_('Document Type'), _('Document Types, defined by the administrator, are used to categorise documents. Please select a Document Type from the list below.'), 'fDocumentTypeId', null, $this->oPage, true, "add-document-type", $fieldErrors, $fieldOptions);
+        $add_fields[] = new KTLookupWidget(_kt('Document Type'), _('Document Types, defined by the administrator, are used to categorise documents. Please select a Document Type from the list below.'), 'fDocumentTypeId', null, $this->oPage, true, "add-document-type", $fieldErrors, $fieldOptions);
         $fieldsets = array();
         $fieldsetDisplayReg =& KTFieldsetDisplayRegistry::getSingleton();
@@ -93,10 +93,10 @@ class KTBulkImportFolderAction extends KTFolderAction {
             'redirect_to' => array('main', sprintf('fFolderId=%d', $this->oFolder->getId())),
         );
-        $aErrorOptions['message'] = _('Invalid document type provided');
+        $aErrorOptions['message'] = _kt('Invalid document type provided');
         $oDocumentType = $this->oValidator->validateDocumentType($_REQUEST['fDocumentTypeId'], $aErrorOptions);
-        $aErrorOptions['message'] = _('Invalid path provided');
+        $aErrorOptions['message'] = _kt('Invalid path provided');
         $sPath = $this->oValidator->validateString($_REQUEST['path'], $aErrorOptions);
         $matches = array();
@@ -123,7 +123,7 @@ class KTBulkImportFolderAction extends KTFolderAction {
         $res = $bm->import();
         if (PEAR::isError($res)) {
             DBUtil::rollback();
-            $_SESSION["KTErrorMessage"][] = _("Bulk import failed") . ": " . $res->getMessage();
+            $_SESSION["KTErrorMessage"][] = _kt("Bulk import failed") . ": " . $res->getMessage();
         } else {
             DBUtil::commit();
             $this->addInfoMessage("Bulk import succeeded");
@@ -43,7 +43,7 @@ class KTBulkUploadFolderAction extends KTFolderAction {
     var $bAutomaticTransaction = true;
     function getDisplayName() {
-        return _('Bulk upload');
+        return _kt('Bulk upload');
     }
     function check() {
@@ -64,19 +64,19 @@ class KTBulkUploadFolderAction extends KTFolderAction {
     }
     function do_main() {
-        $this->oPage->setBreadcrumbDetails(_("bulk upload"));
+        $this->oPage->setBreadcrumbDetails(_kt("bulk upload"));
         $oTemplate =& $this->oValidator->validateTemplate('ktcore/folder/bulkUpload');
         $add_fields = array();
-        $add_fields[] = new KTFileUploadWidget(_('Archive file'), _('The archive file containing the documents you wish to add to the document management system.'), 'file', "", $this->oPage, true);
+        $add_fields[] = new KTFileUploadWidget(_kt('Archive file'), _('The archive file containing the documents you wish to add to the document management system.'), 'file', "", $this->oPage, true);
-        $aVocab = array('' => _('&lt;Please select a document type&gt;'));
+        $aVocab = array('' => _kt('&lt;Please select a document type&gt;'));
         foreach (DocumentType::getList() as $oDocumentType) {
             if(!$oDocumentType->getDisabled()) {
                 $aVocab[$oDocumentType->getId()] = $oDocumentType->getName();
             }
         }
         $fieldOptions = array("vocab" => $aVocab);
-        $add_fields[] = new KTLookupWidget(_('Document Type'), _('Document Types, defined by the administrator, are used to categorise documents. Please select a Document Type from the list below.'), 'fDocumentTypeId', null, $this->oPage, true, "add-document-type", $fieldErrors, $fieldOptions);
+        $add_fields[] = new KTLookupWidget(_kt('Document Type'), _('Document Types, defined by the administrator, are used to categorise documents. Please select a Document Type from the list below.'), 'fDocumentTypeId', null, $this->oPage, true, "add-document-type", $fieldErrors, $fieldOptions);
         $fieldsets = array();
         $fieldsetDisplayReg =& KTFieldsetDisplayRegistry::getSingleton();
@@ -99,7 +99,7 @@ class KTBulkUploadFolderAction extends KTFolderAction {
             'redirect_to' => array('main', sprintf('fFolderId=%d', $this->oFolder->getId())),
         );
-        $aErrorOptions['message'] = _('Invalid document type provided');
+        $aErrorOptions['message'] = _kt('Invalid document type provided');
         $oDocumentType = $this->oValidator->validateDocumentType($_REQUEST['fDocumentTypeId'], $aErrorOptions);
         unset($aErrorOptions['message']);
@@ -122,7 +122,7 @@ class KTBulkUploadFolderAction extends KTFolderAction {
         $bm =& new KTBulkImportManager($this->oFolder, $fs, $this->oUser, $aOptions);
         $this->startTransaction();
         $res = $bm->import();
-        $aErrorOptions['message'] = _("Bulk upload failed");
+        $aErrorOptions['message'] = _kt("Bulk upload failed");
         $this->oValidator->notError($res, $aErrorOptions);
         $this->addInfoMessage("Bulk upload successful");
@@ -40,7 +40,7 @@ class KTFolderRenameAction extends KTFolderAction {
     var $_sShowPermission = "ktcore.permissions.write";
     function getDisplayName() {
-        return _('Rename');
+        return _kt('Rename');
     }
     function getInfo() {
@@ -49,12 +49,12 @@ class KTFolderRenameAction extends KTFolderAction {
     }
     function do_main() {
-        $this->oPage->setBreadcrumbDetails(_("rename"));
-        $this->oPage->setTitle(_('Rename folder'));
+        $this->oPage->setBreadcrumbDetails(_kt("rename"));
+        $this->oPage->setTitle(_kt('Rename folder'));
         $oTemplate =& $this->oValidator->validateTemplate('ktcore/folder/rename');
         $fields = array();
-        $fields[] = new KTStringWidget(_('New folder name'), _('The name to which the current folder should be renamed.'), 'foldername', "", $this->oPage, true);
+        $fields[] = new KTStringWidget(_kt('New folder name'), _('The name to which the current folder should be renamed.'), 'foldername', "", $this->oPage, true);
         $oTemplate->setData(array(
             'context' => &$this,
@@ -77,7 +77,7 @@ class KTFolderRenameAction extends KTFolderAction {
             redirect(KTBrowseUtil::getUrlForFolder($this->oFolder));
             exit(0);
         } else {
-            $_SESSION['KTInfoMessage'][] = sprintf(_('Folder "%s" renamed to "%s".'), $this->oFolder->getName(), $sName);
+            $_SESSION['KTInfoMessage'][] = sprintf(_kt('Folder "%s" renamed to "%s".'), $this->oFolder->getName(), $sName);
         }
         $this->commitTransaction();
@@ -41,7 +41,7 @@ class KTFolderAddDocumentAction extends KTFolderAction {
     var $oDocumentType = null;
     function getDisplayName() {
-        return _('Add Document');
+        return _kt('Add Document');
     }
     function check() {
@@ -62,15 +62,15 @@ class KTFolderAddDocumentAction extends KTFolderAction {
     }
     function do_main() {
-        $this->oPage->setBreadcrumbDetails(_("add document"));
-        $this->oPage->setTitle(_('Add a document'));
+        $this->oPage->setBreadcrumbDetails(_kt("add document"));
+        $this->oPage->setTitle(_kt('Add a document'));
         $oTemplate =& $this->oValidator->validateTemplate('ktcore/document/add');
         $add_fields = array();
-        $add_fields[] = new KTFileUploadWidget(_('File'), _('The contents of the document to be added to the document management system.'), 'file', "", $this->oPage, true);
-        $add_fields[] = new KTStringWidget(_('Title'), _('The document title is used as the main name of a document throughout KnowledgeTree.'), 'title', "", $this->oPage, true);
+        $add_fields[] = new KTFileUploadWidget(_kt('File'), _('The contents of the document to be added to the document management system.'), 'file', "", $this->oPage, true);
+        $add_fields[] = new KTStringWidget(_kt('Title'), _('The document title is used as the main name of a document throughout KnowledgeTree.'), 'title', "", $this->oPage, true);
-        $aVocab = array('' => _('&lt;Please select a document type&gt;'));
+        $aVocab = array('' => _kt('&lt;Please select a document type&gt;'));
         foreach (DocumentType::getList() as $oDocumentType) {
             if(!$oDocumentType->getDisabled()) {
                 $aVocab[$oDocumentType->getId()] = $oDocumentType->getName();
@@ -78,7 +78,7 @@ class KTFolderAddDocumentAction extends KTFolderAction {
         }
         $fieldOptions = array("vocab" => $aVocab);
-        $add_fields[] = new KTLookupWidget(_('Document Type'), _('Document Types, defined by the administrator, are used to categorise documents. Please select a Document Type from the list below.'), 'fDocumentTypeId', null, $this->oPage, true, "add-document-type", $fieldErrors, $fieldOptions);
+        $add_fields[] = new KTLookupWidget(_kt('Document Type'), _('Document Types, defined by the administrator, are used to categorise documents. Please select a Document Type from the list below.'), 'fDocumentTypeId', null, $this->oPage, true, "add-document-type", $fieldErrors, $fieldOptions);
         $fieldsets = array();
         $fieldsetDisplayReg =& KTFieldsetDisplayRegistry::getSingleton();
@@ -97,8 +97,8 @@ class KTFolderAddDocumentAction extends KTFolderAction {
     }
     function do_upload() {
-        $this->oPage->setBreadcrumbDetails(_("add document"));
-        $this->oPage->setTitle(_('Add a document'));
+        $this->oPage->setBreadcrumbDetails(_kt("add document"));
+        $this->oPage->setTitle(_kt('Add a document'));
         $mpo =& new JavascriptObserver($this);
         // $mpo =& new KTSinglePageObserver(&$this);
         $oUploadChannel =& KTUploadChannel::getSingleton();
@@ -121,12 +121,12 @@ class KTFolderAddDocumentAction extends KTFolderAction {
         /*
         // this is now done in ::add
         if (Document::fileExists(basename($aFile['name']), $iFolderId)) {
-            $this->errorRedirectToMain(_('There is already a file with that filename in this folder.'), sprintf('fFolderId=%d', $this->oFolder->getId()));
+            $this->errorRedirectToMain(_kt('There is already a file with that filename in this folder.'), sprintf('fFolderId=%d', $this->oFolder->getId()));
             exit(0);
         }
         if (Document::nameExists($sTitle, $iFolderId)) {
-            $this->errorRedirectToMain(_('There is already a file with that title in this folder.'), sprintf('fFolderId=%d', $this->oFolder->getId()));
+            $this->errorRedirectToMain(_kt('There is already a file with that title in this folder.'), sprintf('fFolderId=%d', $this->oFolder->getId()));
             exit(0);
         }
         */
@@ -139,7 +139,7 @@ class KTFolderAddDocumentAction extends KTFolderAction {
             }
         }
-        $aErrorOptions['message'] = _("Please select a valid document type");
+        $aErrorOptions['message'] = _kt("Please select a valid document type");
         $this->oDocumentType = $this->oValidator->validateDocumentType($_REQUEST['fDocumentTypeId'], $aErrorOptions);
         $aOptions = array(
@@ -45,7 +45,7 @@ class KTBulkExportAction extends KTFolderAction {
     var $sPermissionName = "ktcore.permissions.read";
     function getDisplayName() {
-        return _('Bulk Export');
+        return _kt('Bulk Export');
     }
     function do_main() {
@@ -55,7 +55,7 @@ class KTBulkExportAction extends KTFolderAction {
         $aDocumentIds = DBUtil::getResultArrayKey($aQuery, 'id');
         if (empty($aDocumentIds)) {
-            $this->addErrorMessage(_("No documents found to export"));
+            $this->addErrorMessage(_kt("No documents found to export"));
             redirect(KTBrowseUtil::getUrlForFolder($oFolder));
             exit(0);
         }
@@ -91,17 +91,17 @@ class KTDocumentDiscussionAction extends KTDocumentAction {
     var $sName = 'ktcore.actions.document.discussion';
     function getDisplayName() {
-        return _('Discussion');
+        return _kt('Discussion');
     }
     function do_main() {
-        $this->oPage->setBreadcrumbDetails(_("discussion"));
+        $this->oPage->setBreadcrumbDetails(_kt("discussion"));
         $oTemplate =& $this->oValidator->validateTemplate('ktstandard/action/discussion');
         // Fields for new thread creation
         $fields = array();
-        $fields[] = new KTStringWidget(_("Subject"), _("The topic of discussion in this thread"), "subject", "", $this->oPage, true);
-        $fields[] = new KTTextWidget(_("Body"), _("Your contribution to the discussion in this thread"), "body", "", $this->oPage, true, null, null, array("cols" => 50, "rows" => 10));
+        $fields[] = new KTStringWidget(_kt("Subject"), _("The topic of discussion in this thread"), "subject", "", $this->oPage, true);
+        $fields[] = new KTTextWidget(_kt("Body"), _("Your contribution to the discussion in this thread"), "body", "", $this->oPage, true, null, null, array("cols" => 50, "rows" => 10));
         $threads = DiscussionThread::getList(array('document_id=?', array($this->oDocument->getId())));
@@ -119,11 +119,11 @@ class KTDocumentDiscussionAction extends KTDocumentAction {
             'redirect_to' => array('main', sprintf('fDocumentId=%d', $this->oDocument->getId())),
         );
-        $aErrorOptions['message'] = _("No subject provided");
+        $aErrorOptions['message'] = _kt("No subject provided");
         $sSubject = KTUtil::arrayGet($_REQUEST, 'subject');
         $sSubject = $this->oValidator->validateString($sSubject, $aErrorOptions);
-        $aErrorOptions['message'] = _("No body provided");
+        $aErrorOptions['message'] = _kt("No body provided");
         $sBody = KTUtil::arrayGet($_REQUEST, 'body');
         $sBody = $this->oValidator->validateString($sBody, $aErrorOptions);
@@ -134,7 +134,7 @@ class KTDocumentDiscussionAction extends KTDocumentAction {
             'documentid' => $this->oDocument->getId(),
             'creatorid' => $this->oUser->getId(),
         ));
-        $aErrorOptions['message'] = _("There was an error creating a new thread");
+        $aErrorOptions['message'] = _kt("There was an error creating a new thread");
         $this->oValidator->notError($oThread, $aErrorOptions);
         $oComment = DiscussionComment::createFromArray(array(
@@ -143,19 +143,19 @@ class KTDocumentDiscussionAction extends KTDocumentAction {
             'subject' => $sSubject,
             'body' => KTUtil::formatPlainText($sBody),
         ));
-        $aErrorOptions['message'] = _("There was an error adding the comment to the thread");
+        $aErrorOptions['message'] = _kt("There was an error adding the comment to the thread");
         $this->oValidator->notError($oComment, $aErrorOptions);
         $oThread->setFirstCommentId($oComment->getId());
         $oThread->setLastCommentId($oComment->getId());
         $res = $oThread->update();
-        $aErrorOptions['message'] = _("There was an error updating the thread with the new comment");
+        $aErrorOptions['message'] = _kt("There was an error updating the thread with the new comment");
         $this->oValidator->notError($res, $aErrorOptions);
         // Thread and comment created correctly, commit to database
         $this->commitTransaction();
-        $this->successRedirectToMain(_("New thread created"), sprintf('fDocumentId=%d', $this->oDocument->getId()));
+        $this->successRedirectToMain(_kt("New thread created"), sprintf('fDocumentId=%d', $this->oDocument->getId()));
         exit(0);
     }
@@ -168,20 +168,20 @@ class KTDocumentDiscussionAction extends KTDocumentAction {
         // breadcrumbs...
         $this->aBreadcrumbs[] = array(
-            'name' => _('discussion'),
+            'name' => _kt('discussion'),
             'query' => sprintf('fDocumentId=%d', $this->oDocument->getId()),
         );
         $this->aBreadcrumbs[] = array(
             'name' => $oComment->getSubject(),
         );
-        $this->oPage->setBreadcrumbDetails(_("viewing comments"));
+        $this->oPage->setBreadcrumbDetails(_kt("viewing comments"));
         $oTemplate =& $this->oValidator->validateTemplate('ktstandard/action/discussion_thread');
         // Fields for new thread creation
         $replyFields = array();
-        $replyFields[] = new KTStringWidget(_("Subject"), _("The topic of discussion in this thread"), "subject", "", $this->oPage, true);
-        $replyFields[] = new KTTextWidget(_("Body"), _("Your contribution to the discussion in this thread"), "body", "", $this->oPage, true, null, null, array("cols" => 50, "rows" => 10));
+        $replyFields[] = new KTStringWidget(_kt("Subject"), _("The topic of discussion in this thread"), "subject", "", $this->oPage, true);
+        $replyFields[] = new KTTextWidget(_kt("Body"), _("Your contribution to the discussion in this thread"), "body", "", $this->oPage, true, null, null, array("cols" => 50, "rows" => 10));
         // Fields for closing thread (if user has write permission)
         $closeFields = array();
@@ -189,7 +189,7 @@ class KTDocumentDiscussionAction extends KTDocumentAction {
         $oPermission =& KTPermission::getByName('ktcore.permissions.write');
         if (PEAR::isError($oPermission) || 
             KTPermissionUtil::userHasPermissionOnItem($this->oUser, $oPermission, $this->oDocument)) {
-            $closeFields[] = new KTTextWidget(_("Reason"), _("Describe the reason for closing this thread"), "reason", "", $this->oPage, true, null, null, array("cols" => 50, "rows" => 5));
+            $closeFields[] = new KTTextWidget(_kt("Reason"), _("Describe the reason for closing this thread"), "reason", "", $this->oPage, true, null, null, array("cols" => 50, "rows" => 5));
         }
         // increment views
@@ -221,11 +221,11 @@ class KTDocumentDiscussionAction extends KTDocumentAction {
         );
-        $aErrorOptions['message'] = _("No subject provided");
+        $aErrorOptions['message'] = _kt("No subject provided");
         $sSubject = KTUtil::arrayGet($_REQUEST, 'subject');
         $sSubject = $this->oValidator->validateString($sSubject, $aErrorOptions);
-        $aErrorOptions['message'] = _("No body provided");
+        $aErrorOptions['message'] = _kt("No body provided");
         $sBody = KTUtil::arrayGet($_REQUEST, 'body');
         $sBody = $this->oValidator->validateString($sBody, $aErrorOptions);
@@ -239,7 +239,7 @@ class KTDocumentDiscussionAction extends KTDocumentAction {
             'subject' => $sSubject,
             'body' => KTUtil::formatPlainText($sBody),
         ));
-        $aErrorOptions['message'] = _("There was an error adding the comment to the thread");
+        $aErrorOptions['message'] = _kt("There was an error adding the comment to the thread");
         $this->oValidator->notError($oComment, $aErrorOptions);
         // Update thread
@@ -248,7 +248,7 @@ class KTDocumentDiscussionAction extends KTDocumentAction {
         $res = $oThread->update();
-        $aErrorOptions['message'] = _("There was an error updating the thread with the new comment");
+        $aErrorOptions['message'] = _kt("There was an error updating the thread with the new comment");
         $this->oValidator->notError($res, $aErrorOptions);
@@ -256,7 +256,7 @@ class KTDocumentDiscussionAction extends KTDocumentAction {
         // Thread and comment created correctly, commit to database
         $this->commitTransaction();
-        $this->successRedirectTo('viewThread', _("Reply posted"), sprintf('fDocumentId=%d&fThreadId=%d', $this->oDocument->getId(), $oThread->getId()));
+        $this->successRedirectTo('viewThread', _kt("Reply posted"), sprintf('fDocumentId=%d&fThreadId=%d', $this->oDocument->getId(), $oThread->getId()));
         exit(0);
     }
@@ -277,13 +277,13 @@ class KTDocumentDiscussionAction extends KTDocumentAction {
         $oPermission =& KTPermission::getByName('ktcore.permissions.write');
         if (PEAR::isError($oPermission)) {
-            $this->errorRedirectTo(implode('&', $aErrorOptions['redirect_to']), _("Error getting permission"));
+            $this->errorRedirectTo(implode('&', $aErrorOptions['redirect_to']), _kt("Error getting permission"));
         }
         if (!KTPermissionUtil::userHasPermissionOnItem($this->oUser, $oPermission, $this->oDocument)) {
-            $this->errorRedirectTo(implode('&', $aErrorOptions['redirect_to']), _("You do not have permission to close this thread"));
+            $this->errorRedirectTo(implode('&', $aErrorOptions['redirect_to']), _kt("You do not have permission to close this thread"));
         }
-        $aErrorOptions['message'] = _("No reason provided");
+        $aErrorOptions['message'] = _kt("No reason provided");
         $sReason = KTUtil::arrayGet($_REQUEST, 'reason');
         $sReason = $this->oValidator->validateString($sReason, $aErrorOptions);
@@ -295,13 +295,13 @@ class KTDocumentDiscussionAction extends KTDocumentAction {
         $oThread->setCloseReason($sReason);
         $res = $oThread->update();
-        $aErrorOptions['message'] = _("There was an error updating the thread with the new comment");
+        $aErrorOptions['message'] = _kt("There was an error updating the thread with the new comment");
         $this->oValidator->notError($res, $aErrorOptions);
         // Thread closed correctly, so commit
         $this->commitTransaction();
-        $this->successRedirectTo('viewThread', _("Thread closed"), sprintf('fDocumentId=%d&fThreadId=%d', $this->oDocument->getId(), $oThread->getId()));
+        $this->successRedirectTo('viewThread', _kt("Thread closed"), sprintf('fDocumentId=%d&fThreadId=%d', $this->oDocument->getId(), $oThread->getId()));
         exit(0);
     }
@@ -46,7 +46,7 @@ class KTDocumentLinkTitle extends TitleColumn {
             $outStr .= $aDataRow["document"]->getName();
             $outStr .= '</a>';
         } else { 
-            $outStr = $aDataRow["document"]->getName() . ' <span class="descriptiveText">(' . _('you cannot link to the source document') . ')';
+            $outStr = $aDataRow["document"]->getName() . ' <span class="descriptiveText">(' . _kt('you cannot link to the source document') . ')';
         }
         return $outStr;
     }
@@ -75,14 +75,14 @@ class KTDocumentLinkAction extends KTDocumentAction {
     var $sName = 'ktcore.actions.document.link';
     function getDisplayName() {
-        return _('Links');
+        return _kt('Links');
     }
     // display existing links
     function do_main() {
         $oTemplate =& $this->oValidator->validateTemplate('ktstandard/action/document_links');
-        $this->oPage->setBreadcrumbDetails(_("Links"));
-        $this->oPage->setTitle(_("Links"));
+        $this->oPage->setBreadcrumbDetails(_kt("Links"));
+        $this->oPage->setTitle(_kt("Links"));
         $oDocument = Document::get(
                 KTUtil::arrayGet($_REQUEST, 'fDocumentId', 0)
@@ -109,26 +109,26 @@ class KTDocumentLinkAction extends KTDocumentAction {
     // select a target for the link
     function do_new() {
-        $this->oPage->setBreadcrumbDetails(_("New Link"));
-        $this->oPage->setTitle(_("New Link"));
+        $this->oPage->setBreadcrumbDetails(_kt("New Link"));
+        $this->oPage->setTitle(_kt("New Link"));
         $oPermission =& KTPermission::getByName('ktcore.permissions.write');
         if (PEAR::isError($oPermission) || 
             !KTPermissionUtil::userHasPermissionOnItem($this->oUser, $oPermission, $this->oDocument)) {
-            $this->errorRedirectToMain(_('You do not have sufficient permissions to add a document link'), sprintf("fDocumentId=%d", $this->oDocument->getId()));
+            $this->errorRedirectToMain(_kt('You do not have sufficient permissions to add a document link'), sprintf("fDocumentId=%d", $this->oDocument->getId()));
             exit(0);
         }
         $oParentDocument =& $this->oDocument;
         if (PEAR::isError($oParentDocument)) { 
-            $this->errorRedirectToMain(_('Invalid parent document selected.'));
+            $this->errorRedirectToMain(_kt('Invalid parent document selected.'));
             exit(0);
         }
         $oFolder = Folder::get(KTUtil::arrayGet($_REQUEST, 'fFolderId', $oParentDocument->getFolderID()));
         if (PEAR::isError($oFolder) || ($oFolder == false)) { 
-            $this->errorRedirectToMain(_('Invalid folder selected.'));
+            $this->errorRedirectToMain(_kt('Invalid folder selected.'));
             exit(0);
         }
         $iFolderId = $oFolder->getId();
@@ -187,17 +187,17 @@ class KTDocumentLinkAction extends KTDocumentAction {
     // select a type for the link
     function do_type_select() {
-        $this->oPage->setBreadcrumbDetails(_("link"));
+        $this->oPage->setBreadcrumbDetails(_kt("link"));
         $oParentDocument = Document::get(KTUtil::arrayGet($_REQUEST, 'fDocumentId'));
         if (PEAR::isError($oParentDocument)) { 
-            $this->errorRedirectToMain(_('Invalid parent document selected.'));
+            $this->errorRedirectToMain(_kt('Invalid parent document selected.'));
             exit(0);
         }
         $oTargetDocument = Document::get(KTUtil::arrayGet($_REQUEST, 'fTargetDocumentId'));
         if (PEAR::isError($oTargetDocument)) { 
-            $this->errorRedirectToMain(_('Invalid target document selected.'));
+            $this->errorRedirectToMain(_kt('Invalid target document selected.'));
             exit(0);
         }
@@ -212,8 +212,8 @@ class KTDocumentLinkAction extends KTDocumentAction {
         $aOptions = array('vocab' => $aVocab);
         $aFields[] = new KTLookupWidget(
-                _('Link Type'), 
-                _('The type of link you wish to use'), 
+                _kt('Link Type'), 
+                _kt('The type of link you wish to use'), 
                 'fLinkTypeId', 
                 null,
                 $this->oPage,
@@ -239,24 +239,24 @@ class KTDocumentLinkAction extends KTDocumentAction {
     // make the link
     function do_make_link() {
-        $this->oPage->setBreadcrumbDetails(_("link"));
+        $this->oPage->setBreadcrumbDetails(_kt("link"));
         // check validity of things
         $oParentDocument = Document::get(KTUtil::arrayGet($_REQUEST, 'fDocumentId'));
         if (PEAR::isError($oParentDocument)) { 
-            $this->errorRedirectToMain(_('Invalid parent document selected.'));
+            $this->errorRedirectToMain(_kt('Invalid parent document selected.'));
             exit(0);
         }
         $oTargetDocument = Document::get(KTUtil::arrayGet($_REQUEST, 'fTargetDocumentId'));
         if (PEAR::isError($oTargetDocument)) { 
-            $this->errorRedirectToMain(_('Invalid target document selected.'));
+            $this->errorRedirectToMain(_kt('Invalid target document selected.'));
             exit(0);
         }
         $oLinkType = LinkType::get(KTUtil::arrayGet($_REQUEST, 'fLinkTypeId'));
         if (PEAR::isError($oLinkType)) { 
-            $this->errorRedirectToMain(_('Invalid link type selected.'));
+            $this->errorRedirectToMain(_kt('Invalid link type selected.'));
             exit(0);
         }
@@ -271,26 +271,26 @@ class KTDocumentLinkAction extends KTDocumentAction {
         ));
         if (PEAR::isError($oDocumentLink)) {
-            $this->errorRedirectToMain(_('Could not create document link'), sprintf('fDocumentId=%d', $oParentDocument->getId()));
+            $this->errorRedirectToMain(_kt('Could not create document link'), sprintf('fDocumentId=%d', $oParentDocument->getId()));
             exit(0);
         }
         $this->commitTransaction();
-        $this->successRedirectToMain(_('Document link created'), sprintf('fDocumentId=%d', $oParentDocument->getId()));
+        $this->successRedirectToMain(_kt('Document link created'), sprintf('fDocumentId=%d', $oParentDocument->getId()));
         exit(0);
     }
     // delete a link
     function do_delete() {
-        $this->oPage->setBreadcrumbDetails(_("link"));
+        $this->oPage->setBreadcrumbDetails(_kt("link"));
         // check security
         $oPermission =& KTPermission::getByName('ktcore.permissions.write');
         if (PEAR::isError($oPermission) || 
             !KTPermissionUtil::userHasPermissionOnItem($this->oUser, $oPermission, $this->oDocument)) {
-            $this->errorRedirectToMain(_('You do not have sufficient permissions to delete a link'), sprintf("fDocumentId=%d", $this->oDocument->getId()));
+            $this->errorRedirectToMain(_kt('You do not have sufficient permissions to delete a link'), sprintf("fDocumentId=%d", $this->oDocument->getId()));
             exit(0);
         }
@@ -298,12 +298,12 @@ class KTDocumentLinkAction extends KTDocumentAction {
         // check validity of things
         $oDocumentLink = DocumentLink::get(KTUtil::arrayGet($_REQUEST, 'fDocumentLinkId'));
         if (PEAR::isError($oDocumentLink)) { 
-            $this->errorRedirectToMain(_('Invalid document link selected.'));
+            $this->errorRedirectToMain(_kt('Invalid document link selected.'));
             exit(0);
         }
         $oParentDocument = Document::get(KTUtil::arrayGet($_REQUEST, 'fDocumentId'));
         if (PEAR::isError($oParentDocument)) { 
-            $this->errorRedirectToMain(_('Invalid document selected.'));
+            $this->errorRedirectToMain(_kt('Invalid document selected.'));
             exit(0);
         }
@@ -313,13 +313,13 @@ class KTDocumentLinkAction extends KTDocumentAction {
         $res = $oDocumentLink->delete();
         if (PEAR::isError($res)) {
-            $this->errorRedirectToMain(_('Could not delete document link'), sprintf('fDocumentId=%d', $oParentDocument->getId()));
+            $this->errorRedirectToMain(_kt('Could not delete document link'), sprintf('fDocumentId=%d', $oParentDocument->getId()));
             exit(0);
         }
         $this->commitTransaction();
-        $this->successRedirectToMain(_('Document link deleted'), sprintf('fDocumentId=%d', $oParentDocument->getId()));
+        $this->successRedirectToMain(_kt('Document link deleted'), sprintf('fDocumentId=%d', $oParentDocument->getId()));
         exit(0);
     }
@@ -230,7 +230,7 @@ class KTDocumentEmailAction extends KTDocumentAction {
     var $sName = 'ktcore.actions.document.email';
     function getDisplayName() {
-        return _('Email');
+        return _kt('Email');
     }
     function do_main() {
@@ -240,12 +240,12 @@ class KTDocumentEmailAction extends KTDocumentAction {
         $bAttachment = $oConfig->get('email/allowAttachment', false);
         $bEmailAddresses = $oConfig->get('email/allowEmailAddresses', false);
         if ($bAttachment) {
-            $fields[] = new KTCheckboxWidget(_("Attach document"), _("By default, documents are sent as links into the document management system.  Select this option if you want the document contents to be sent as an attachment in the email."), 'fAttachDocument', null, $this->oPage);
+            $fields[] = new KTCheckboxWidget(_kt("Attach document"), _("By default, documents are sent as links into the document management system.  Select this option if you want the document contents to be sent as an attachment in the email."), 'fAttachDocument', null, $this->oPage);
         }
         if ($bEmailAddresses) {
-            $fields[] = new KTTextWidget(_("Email addresses"), _("Add extra email addresses here"), 'fEmailAddresses', "", $this->oPage, false, null, null, array('cols' => 60, 'rows' => 5));
+            $fields[] = new KTTextWidget(_kt("Email addresses"), _("Add extra email addresses here"), 'fEmailAddresses', "", $this->oPage, false, null, null, array('cols' => 60, 'rows' => 5));
         }
-        $fields[] = new KTTextWidget(_("Comment"), _("A message for those who receive the document"), 'fComment', "", $this->oPage, true, null, null, array('cols' => 60, 'rows' => 5));
+        $fields[] = new KTTextWidget(_kt("Comment"), _("A message for those who receive the document"), 'fComment', "", $this->oPage, true, null, null, array('cols' => 60, 'rows' => 5));
         $aGroups = Group::getList();
         $aUsers = User::getEmailUsers();
         $aTemplateData = array(
@@ -294,7 +294,7 @@ class KTDocumentEmailAction extends KTDocumentAction {
         //if we're going to send a mail, first make there is someone to send it to
         if ((count($aGroupIDs) == 0) && (count($aUserIDs) == 0) && (count($aEmailAddresses) == 0)) {
-            $this->errorRedirectToMain(_('No recipients set'), sprintf('fDocumentId=%d', $this->oDocument->getId()));
+            $this->errorRedirectToMain(_kt('No recipients set'), sprintf('fDocumentId=%d', $this->oDocument->getId()));
             exit(0);
         }
@@ -311,7 +311,7 @@ class KTDocumentEmailAction extends KTDocumentAction {
             $_SESSION['KTErrorMessage'][] = join("<br />\n", $aEmailErrors);
         }
-        $_SESSION['KTInfoMessage'][] = _("Email sent");
+        $_SESSION['KTInfoMessage'][] = _kt("Email sent");
         //go back to the document view page
         controllerRedirect("viewDocument", sprintf("fDocumentId=%d", $this->oDocument->getId()));
     }
@@ -73,7 +73,7 @@ $oRegistry-&gt;registerPlugin(&#39;KTSubscriptionPlugin&#39;, &#39;ktstandard.subscriptions.plu
 // {{{ KTSubscriptionPortlet
 class KTSubscriptionPortlet extends KTPortlet {
     function KTSubscriptionPortlet() {
-        parent::KTPortlet(_("Subscriptions"));
+        parent::KTPortlet(_kt("Subscriptions"));
     }
     function render() {
@@ -108,7 +108,7 @@ class KTSubscriptionPortlet extends KTPortlet {
             }
         }
-        $this->actions[] = array("name" => _("Manage subscriptions"), "url" => $this->oPlugin->getPagePath('manage'));
+        $this->actions[] = array("name" => _kt("Manage subscriptions"), "url" => $this->oPlugin->getPagePath('manage'));
         $oTemplating =& KTTemplating::getSingleton();
         $oTemplate = $oTemplating->loadTemplate("kt3/portlets/actions_portlet");
@@ -125,7 +125,7 @@ class KTDocumentSubscriptionAction extends KTDocumentAction {
     var $sName = 'ktstandard.subscription.documentsubscription';
     function getDisplayName() {
-        return _('Subscribe to document');
+        return _kt('Subscribe to document');
     }
     function getInfo() {
@@ -138,14 +138,14 @@ class KTDocumentSubscriptionAction extends KTDocumentAction {
     function do_main() {
         $iSubscriptionType = SubscriptionEvent::subTypes('Document');
         if (Subscription::exists($this->oUser->getId(), $this->oDocument->getId(), $iSubscriptionType)) {
-            $_SESSION['KTErrorMessage'][] = _("You are already subscribed to that document");
+            $_SESSION['KTErrorMessage'][] = _kt("You are already subscribed to that document");
         } else {
             $oSubscription = new Subscription($this->oUser->getId(), $this->oDocument->getId(), $iSubscriptionType);
             $res = $oSubscription->create();
             if ($res) {
-                $_SESSION['KTInfoMessage'][] = _("You have been subscribed to this document");
+                $_SESSION['KTInfoMessage'][] = _kt("You have been subscribed to this document");
             } else {
-                $_SESSION['KTErrorMessage'][] = _("There was a problem subscribing you to this document");
+                $_SESSION['KTErrorMessage'][] = _kt("There was a problem subscribing you to this document");
             }
         }
         controllerRedirect('viewDocument', 'fDocumentId=' . $this->oDocument->getId());
@@ -159,7 +159,7 @@ class KTDocumentUnsubscriptionAction extends KTDocumentAction {
     var $sName = 'ktstandard.subscription.documentunsubscription';
     function getDisplayName() {
-        return _('Unsubscribe from document');
+        return _kt('Unsubscribe from document');
     }
     function getInfo() {
@@ -172,14 +172,14 @@ class KTDocumentUnsubscriptionAction extends KTDocumentAction {
     function do_main() {
         $iSubscriptionType = SubscriptionEvent::subTypes('Document');
         if (!Subscription::exists($this->oUser->getId(), $this->oDocument->getId(), $iSubscriptionType)) {
-            $_SESSION['KTErrorMessage'][] = _("You were not subscribed to that document");
+            $_SESSION['KTErrorMessage'][] = _kt("You were not subscribed to that document");
         } else {
             $oSubscription = & Subscription::getByIDs($this->oUser->getId(), $this->oDocument->getId(), $iSubscriptionType);
             $res = $oSubscription->delete();
             if ($res) {
-                $_SESSION['KTInfoMessage'][] = _("You have been unsubscribed from this document");
+                $_SESSION['KTInfoMessage'][] = _kt("You have been unsubscribed from this document");
             } else {
-                $_SESSION['KTErrorMessage'][] = _("There was a problem unsubscribing you from this document");
+                $_SESSION['KTErrorMessage'][] = _kt("There was a problem unsubscribing you from this document");
             }
         }
         controllerRedirect('viewDocument', 'fDocumentId=' . $this->oDocument->getId());
@@ -297,7 +297,7 @@ class KTFolderSubscriptionAction extends KTFolderAction {
     var $sName = 'ktstandard.subscription.foldersubscription';
     function getDisplayName() {
-        return _('Subscribe to folder');
+        return _kt('Subscribe to folder');
     }
     function getInfo() {
@@ -311,14 +311,14 @@ class KTFolderSubscriptionAction extends KTFolderAction {
     function do_main() {
         $iSubscriptionType = SubscriptionEvent::subTypes('Folder');
         if (Subscription::exists($this->oUser->getId(), $this->oFolder->getId(), $iSubscriptionType)) {
-            $_SESSION['KTErrorMessage'][] = _("You are already subscribed to that folder");
+            $_SESSION['KTErrorMessage'][] = _kt("You are already subscribed to that folder");
         } else {
             $oSubscription = new Subscription($this->oUser->getId(), $this->oFolder->getId(), $iSubscriptionType);
             $res = $oSubscription->create();
             if ($res) {
-                $_SESSION['KTInfoMessage'][] = _("You have been subscribed to this folder");
+                $_SESSION['KTInfoMessage'][] = _kt("You have been subscribed to this folder");
             } else {
-                $_SESSION['KTErrorMessage'][] = _("There was a problem subscribing you to this folder");
+                $_SESSION['KTErrorMessage'][] = _kt("There was a problem subscribing you to this folder");
             }
         }
         controllerRedirect('browse', 'fFolderId=' . $this->oFolder->getId());
@@ -332,7 +332,7 @@ class KTFolderUnsubscriptionAction extends KTFolderAction {
     var $sName = 'ktstandard.subscription.folderunsubscription';
     function getDisplayName() {
-        return _('Unsubscribe from folder');
+        return _kt('Unsubscribe from folder');
     }
     function getInfo() {
@@ -345,14 +345,14 @@ class KTFolderUnsubscriptionAction extends KTFolderAction {
     function do_main() {
         $iSubscriptionType = SubscriptionEvent::subTypes('Folder');
         if (!Subscription::exists($this->oUser->getId(), $this->oFolder->getId(), $iSubscriptionType)) {
-            $_SESSION['KTErrorMessage'][] = _("You were not subscribed to that folder");
+            $_SESSION['KTErrorMessage'][] = _kt("You were not subscribed to that folder");
         } else {
             $oSubscription = & Subscription::getByIDs($this->oUser->getId(), $this->oFolder->getId(), $iSubscriptionType);
             $res = $oSubscription->delete();
             if ($res) {
-                $_SESSION['KTInfoMessage'][] = _("You have been unsubscribed from this folder");
+                $_SESSION['KTInfoMessage'][] = _kt("You have been unsubscribed from this folder");
             } else {
-                $_SESSION['KTErrorMessage'][] = _("There was a problem unsubscribing you from this folder");
+                $_SESSION['KTErrorMessage'][] = _kt("There was a problem unsubscribing you from this folder");
             }
         }
         controllerRedirect('browse', 'fFolderId=' . $this->oFolder->getId());
@@ -364,7 +364,7 @@ class KTFolderUnsubscriptionAction extends KTFolderAction {
 // {{{ KTSubscriptionManagePage
 class KTSubscriptionManagePage extends KTStandardDispatcher {
     function do_main() {
-        $this->aBreadcrumbs[] = array("name" => _("Subscription Management"));
+        $this->aBreadcrumbs[] = array("name" => _kt("Subscription Management"));
         $aFolderSubscriptions = SubscriptionManager::retrieveUserSubscriptions(
             $this->oUser->getId(), SubscriptionEvent::subTypes('Folder'));
         $aDocumentSubscriptions = SubscriptionManager::retrieveUserSubscriptions(
@@ -385,7 +385,7 @@ class KTSubscriptionManagePage extends KTStandardDispatcher {
         $foldersubscriptions = KTUtil::arrayGet($_REQUEST, 'foldersubscriptions');
         $documentsubscriptions = KTUtil::arrayGet($_REQUEST, 'documentsubscriptions');
         if (empty($foldersubscriptions) && empty($documentsubscriptions)) {
-            $this->errorRedirectToMain(_('No subscriptions were chosen'));
+            $this->errorRedirectToMain(_kt('No subscriptions were chosen'));
         }
         $iSuccesses = 0;
@@ -415,9 +415,9 @@ class KTSubscriptionManagePage extends KTStandardDispatcher {
             }
         }
-        $sMessage = _("Subscriptions removed") . ": ";
+        $sMessage = _kt("Subscriptions removed") . ": ";
         if ($iFailures) {
-            $sMessage .= sprintf(_('%d successful, %d failures'), $iSuccesses, $iFailures);
+            $sMessage .= sprintf(_kt('%d successful, %d failures'), $iSuccesses, $iFailures);
         } else {
             $sMessage .= sprintf('%d', $iSuccesses);
         }
@@ -43,8 +43,8 @@ class KTWorkflowAssociationPlugin extends KTPlugin {
         $this->registerTrigger('edit', 'postValidate', 'KTWADEditTrigger',
             'ktstandard.triggers.workflowassociation.editDocument');
         $this->registerAdminPage('workflow_allocation', 'WorkflowAllocationSelection', 
-            'documents', _('Automatic Workflow Assignments'), 
-            _('Configure how documents are allocated to workflows.'), 'workflow/adminpage.php');        
+            'documents', _kt('Automatic Workflow Assignments'), 
+            _kt('Configure how documents are allocated to workflows.'), 'workflow/adminpage.php');        
             $this->registeri18n('knowledgeTree', KT_DIR . '/i18n');
     }
 }
@@ -85,7 +85,7 @@ class KTOpenDocumentIndexerTrigger extends KTBaseIndexerTrigger {
         if (empty($sUnzipCommand)) {
             return false;
         }
-        return _('Built-in');
+        return _kt('Built-in');
     }
     function findLocalCommand() {
@@ -98,7 +98,7 @@ class KTOpenDocumentIndexerTrigger extends KTBaseIndexerTrigger {
         // can't find the local command.
         if (empty($sCommand)) {
-            return sprintf(_('Unable to find required command for indexing.  Please ensure that <strong>%s</strong> is installed and in the KnowledgeTree Path.  For more information on indexers and helper applications, please <a href="%s">visit the KTDMS site</a>.'), $this->command, $this->support_url);
+            return sprintf(_kt('Unable to find required command for indexing.  Please ensure that <strong>%s</strong> is installed and in the KnowledgeTree Path.  For more information on indexers and helper applications, please <a href="%s">visit the KTDMS site</a>.'), $this->command, $this->support_url);
         }
         return null;
@@ -48,7 +48,7 @@ class KTPdfIndexerTrigger extends KTBaseIndexerTrigger {
         // can't find the local command.
         if (empty($sCommand)) {
-            return sprintf(_('Unable to find required command for indexing.  Please ensure that <strong>%s</strong> is installed and in the KnowledgeTree Path.  For more information on indexers and helper applications, please <a href="%s">visit the KTDMS site</a>.'), $this->command, $this->support_url);
+            return sprintf(_kt('Unable to find required command for indexing.  Please ensure that <strong>%s</strong> is installed and in the KnowledgeTree Path.  For more information on indexers and helper applications, please <a href="%s">visit the KTDMS site</a>.'), $this->command, $this->support_url);
         }
         return null;
@@ -45,7 +45,7 @@ class KTPowerpointIndexerTrigger extends KTBaseIndexerTrigger {
         // can't find the local command.
         if (empty($sCommand)) {
-            return sprintf(_('Unable to find required command for indexing.  Please ensure that <strong>%s</strong> is installed and in the KnowledgeTree Path.  For more information on indexers and helper applications, please <a href="%s">visit the KTDMS site</a>.'), $this->command, $this->support_url);
+            return sprintf(_kt('Unable to find required command for indexing.  Please ensure that <strong>%s</strong> is installed and in the KnowledgeTree Path.  For more information on indexers and helper applications, please <a href="%s">visit the KTDMS site</a>.'), $this->command, $this->support_url);
         }
         return null;
@@ -47,7 +47,7 @@ class KTPostscriptIndexerTrigger extends KTBaseIndexerTrigger {
         // can't find the local command.
         if (empty($sCommand)) {
-            return sprintf(_('Unable to find required command for indexing.  Please ensure that <strong>%s</strong> is installed and in the KnowledgeTree Path.  For more information on indexers and helper applications, please <a href="%s">visit the KTDMS site</a>.'), $this->command, $this->support_url);
+            return sprintf(_kt('Unable to find required command for indexing.  Please ensure that <strong>%s</strong> is installed and in the KnowledgeTree Path.  For more information on indexers and helper applications, please <a href="%s">visit the KTDMS site</a>.'), $this->command, $this->support_url);
         }
         return null;
@@ -62,7 +62,7 @@ class KTWordIndexerTrigger extends KTBaseIndexerTrigger {
         // can't find the local command.
         if (empty($sCommand)) {
-            return sprintf(_('Unable to find required command for indexing.  Please ensure that <strong>%s</strong> is installed and in the KnowledgeTree Path.  For more information on indexers and helper applications, please <a href="%s">visit the KTDMS site</a>.'), $this->command, $this->support_url);
+            return sprintf(_kt('Unable to find required command for indexing.  Please ensure that <strong>%s</strong> is installed and in the KnowledgeTree Path.  For more information on indexers and helper applications, please <a href="%s">visit the KTDMS site</a>.'), $this->command, $this->support_url);
         }
         return null;
@@ -39,12 +39,12 @@ class KTLDAPBaseAuthenticationProvider extends KTAuthenticationProvider {
     function KTLDAPBaseAuthenticationProvider() {
         parent::KTAuthenticationProvider();
         $this->aConfigMap = array(
-            'servername' => _('LDAP Server'),
-            'basedn' => _('Base DN'),
-            'searchuser' => _('LDAP Search User'),
-            'searchpassword' => _('LDAP Search Password'),
-            'searchattributes' => _('Search Attributes'),
-            'objectclasses' => _('Object Classes'),
+            'servername' => _kt('LDAP Server'),
+            'basedn' => _kt('Base DN'),
+            'searchuser' => _kt('LDAP Search User'),
+            'searchpassword' => _kt('LDAP Search Password'),
+            'searchattributes' => _kt('Search Attributes'),
+            'objectclasses' => _kt('Object Classes'),
         );
     }
     // }}}
@@ -58,7 +58,7 @@ class KTLDAPBaseAuthenticationProvider extends KTAuthenticationProvider {
         $sRet = "<dl>\n";
         foreach ($this->aConfigMap as $sSettingName => $sName) {
             $sRet .= "  <dt>$sName</dt>\n";
-            $sValue = KTUtil::arrayGet($aConfig, $sSettingName, _("Unset"));
+            $sValue = KTUtil::arrayGet($aConfig, $sSettingName, _kt("Unset"));
             if (is_array($sValue)) {
                 $sRet .= "  <dd>" . join("<br />", $sValue) . "</dd>\n";
             } else {
@@ -72,7 +72,7 @@ class KTLDAPBaseAuthenticationProvider extends KTAuthenticationProvider {
     // {{{ showUserSource
     function showUserSource($oUser, $oSource) {
-        return '<a href="' . KTUtil::addQueryStringSelf('action=editUserSource&user_id=' . $oUser->getId()) . '">' . _('Edit LDAP info') . '</a>';
+        return '<a href="' . KTUtil::addQueryStringSelf('action=editUserSource&user_id=' . $oUser->getId()) . '">' . _kt('Edit LDAP info') . '</a>';
     }
     // }}}
@@ -86,7 +86,7 @@ class KTLDAPBaseAuthenticationProvider extends KTAuthenticationProvider {
         $user_id = KTUtil::arrayGet($_REQUEST, 'user_id');
         $oUser =& $this->oValidator->validateUser($user_id);
-        $this->oPage->setBreadcrumbDetails(_("editing LDAP details"));
+        $this->oPage->setBreadcrumbDetails(_kt("editing LDAP details"));
         $oTemplate = $this->oValidator->validateTemplate('ktstandard/authentication/ldapedituser');
         $oAuthenticationSource = KTAuthenticationSource::getForUser($oUser);
@@ -94,7 +94,7 @@ class KTLDAPBaseAuthenticationProvider extends KTAuthenticationProvider {
         $dn = $oUser->getAuthenticationDetails();
         $fields = array();
-        $fields[] = new KTStringWidget(_('Distinguished name'), _('The location of this user in the LDAP tree'), 'dn', $dn, $this->oPage, true);
+        $fields[] = new KTStringWidget(_kt('Distinguished name'), _('The location of this user in the LDAP tree'), 'dn', $dn, $this->oPage, true);
         $aTemplateData = array(
             'context' => &$this,
@@ -116,7 +116,7 @@ class KTLDAPBaseAuthenticationProvider extends KTAuthenticationProvider {
         }
         $oUser->setAuthenticationDetails($dn);
         $oUser->update();
-        $this->successRedirectTo("editUser", _("Details updated"),
+        $this->successRedirectTo("editUser", _kt("Details updated"),
             sprintf('user_id=%d', $oUser->getId()));
     }
     // }}}
@@ -124,7 +124,7 @@ class KTLDAPBaseAuthenticationProvider extends KTAuthenticationProvider {
     // {{{ do_editSourceProvider
     function do_editSourceProvider() {
         require_once(KT_LIB_DIR . '/widgets/fieldWidgets.php');
-        $this->oPage->setBreadcrumbDetails(_("editing LDAP settings"));
+        $this->oPage->setBreadcrumbDetails(_kt("editing LDAP settings"));
         $oTemplate = $this->oValidator->validateTemplate('ktstandard/authentication/ldapeditsource');
         $iSourceId = KTUtil::arrayGet($_REQUEST, 'source_id');
         $oSource = KTAuthenticationSource::get($iSourceId);
@@ -135,16 +135,16 @@ class KTLDAPBaseAuthenticationProvider extends KTAuthenticationProvider {
         $aConfig['searchattributes'] = KTUtil::arrayGet($aConfig, 'searchattributes', split(',', 'cn,mail,sAMAccountName'));
         $aConfig['objectclasses'] = KTUtil::arrayGet($aConfig, 'objectclasses', split(',', 'user,inetOrgPerson,posixAccount'));
         $fields = array();
-        $fields[] = new KTStringWidget(_('Server name'), 'The host name or IP address of the LDAP server', 'servername', $aConfig['servername'], $this->oPage, true);
-        $fields[] = new KTStringWidget(_('Base DN'), 'The location in the LDAP directory to start searching from (CN=Users,DC=mycorp,DC=com)', 'basedn', $aConfig['basedn'], $this->oPage, true);
-        $fields[] = new KTStringWidget(_('Search User'), 'The user account in the LDAP directory to perform searches in the LDAP directory as (such as CN=searchUser,CN=Users,DC=mycorp,DC=com or searchUser@mycorp.com)', 'searchuser', $aConfig['searchuser'], $this->oPage, true);
-        $fields[] = new KTStringWidget(_('Search Password'), 'The password for the user account in the LDAP directory that performs searches', 'searchpassword', $aConfig['searchpassword'], $this->oPage, true);
+        $fields[] = new KTStringWidget(_kt('Server name'), 'The host name or IP address of the LDAP server', 'servername', $aConfig['servername'], $this->oPage, true);
+        $fields[] = new KTStringWidget(_kt('Base DN'), 'The location in the LDAP directory to start searching from (CN=Users,DC=mycorp,DC=com)', 'basedn', $aConfig['basedn'], $this->oPage, true);
+        $fields[] = new KTStringWidget(_kt('Search User'), 'The user account in the LDAP directory to perform searches in the LDAP directory as (such as CN=searchUser,CN=Users,DC=mycorp,DC=com or searchUser@mycorp.com)', 'searchuser', $aConfig['searchuser'], $this->oPage, true);
+        $fields[] = new KTStringWidget(_kt('Search Password'), 'The password for the user account in the LDAP directory that performs searches', 'searchpassword', $aConfig['searchpassword'], $this->oPage, true);
         $aOptions = array(
             'rows' => 7,
             'cols' => 25,
         );
-        $fields[] = new KTTextWidget(_('Search Attributes'), 'The LDAP attributes to use to search for users when given their name (one per line, examples: <strong>cn</strong>, <strong>mail</strong>)', 'searchattributes_nls', join("\n", $aConfig['searchattributes']), $this->oPage, true, null, null, $aOptions);
-        $fields[] = new KTTextWidget(_('Object Classes'), 'The LDAP object classes to search for users (one per line, example: <strong>user</strong>, <strong>inetOrgPerson</strong>, <strong>posixAccount</strong>)', 'objectclasses_nls', join("\n", $aConfig['objectclasses']), $this->oPage, true, null, null, $aOptions);
+        $fields[] = new KTTextWidget(_kt('Search Attributes'), 'The LDAP attributes to use to search for users when given their name (one per line, examples: <strong>cn</strong>, <strong>mail</strong>)', 'searchattributes_nls', join("\n", $aConfig['searchattributes']), $this->oPage, true, null, null, $aOptions);
+        $fields[] = new KTTextWidget(_kt('Object Classes'), 'The LDAP object classes to search for users (one per line, example: <strong>user</strong>, <strong>inetOrgPerson</strong>, <strong>posixAccount</strong>)', 'objectclasses_nls', join("\n", $aConfig['objectclasses']), $this->oPage, true, null, null, $aOptions);
         $aTemplateData = array(
             'context' => &$this,
             'fields' => $fields,
@@ -183,7 +183,7 @@ class KTLDAPBaseAuthenticationProvider extends KTAuthenticationProvider {
         }
         $oSource->setConfig(serialize($aConfig));
         $res = $oSource->update();
-        $this->successRedirectTo('viewsource', _("Configuration updated"), 'source_id=' . $oSource->getId());
+        $this->successRedirectTo('viewsource', _kt("Configuration updated"), 'source_id=' . $oSource->getId());
     }
     // }}}
@@ -204,18 +204,18 @@ class KTLDAPBaseAuthenticationProvider extends KTAuthenticationProvider {
         $oAuthenticator = $this->getAuthenticator($oSource);
         $aResults = $oAuthenticator->getUser($id);
         $aErrorOptions = array(
-            'message' => _('Could not find user in LDAP server'),
+            'message' => _kt('Could not find user in LDAP server'),
         );
         $this->oValidator->notError($aResults);
         $fields = array();
-        $fields[] =  new KTStaticTextWidget(_('LDAP DN'), _('The location of the user within the LDAP directory.'), 'dn', $id, $this->oPage);
-        $fields[] =  new KTStringWidget(_('Username'), _('The username the user will enter to gain access to KnowledgeTree.  e.g. <strong>jsmith</strong>'), 'ldap_username', $aResults[$this->aAttributes[1]], $this->oPage, true);
-        $fields[] =  new KTStringWidget(_('Name'), _('The full name of the user.  This is shown in reports and listings.  e.g. <strong>John Smith</strong>'), 'name', $aResults[$this->aAttributes[0]], $this->oPage, true);
-        $fields[] =  new KTStringWidget(_('Email Address'), _('The email address of the user.  Notifications and alerts are mailed to this address if <strong>email notifications</strong> is set below. e.g. <strong>jsmith@acme.com</strong>'), 'email_address', $aResults[$this->aAttributes[4]], $this->oPage, false);
-        $fields[] =  new KTCheckboxWidget(_('Email Notifications'), _('If this is specified then the user will have notifications sent to the email address entered above.  If it is not set, then the user will only see notifications on the <strong>Dashboard</strong>'), 'email_notifications', true, $this->oPage, false);
-        $fields[] =  new KTStringWidget(_('Mobile Number'), _('The mobile phone number of the user.  If the system is configured to send notifications to cellphones, then this number will have an SMS delivered to it with notifications.  e.g. <strong>999 9999 999</strong>'), 'mobile_number', $aResults[$this->aAttributes[5]], $this->oPage, false);
-        $fields[] =  new KTStringWidget(_('Maximum Sessions'), _('As a safety precaution, it is useful to limit the number of times a given account can log in, before logging out.  This prevents a single account being used by many different people.'), 'max_sessions', '3', $this->oPage, true);
+        $fields[] =  new KTStaticTextWidget(_kt('LDAP DN'), _('The location of the user within the LDAP directory.'), 'dn', $id, $this->oPage);
+        $fields[] =  new KTStringWidget(_kt('Username'), _('The username the user will enter to gain access to KnowledgeTree.  e.g. <strong>jsmith</strong>'), 'ldap_username', $aResults[$this->aAttributes[1]], $this->oPage, true);
+        $fields[] =  new KTStringWidget(_kt('Name'), _('The full name of the user.  This is shown in reports and listings.  e.g. <strong>John Smith</strong>'), 'name', $aResults[$this->aAttributes[0]], $this->oPage, true);
+        $fields[] =  new KTStringWidget(_kt('Email Address'), _('The email address of the user.  Notifications and alerts are mailed to this address if <strong>email notifications</strong> is set below. e.g. <strong>jsmith@acme.com</strong>'), 'email_address', $aResults[$this->aAttributes[4]], $this->oPage, false);
+        $fields[] =  new KTCheckboxWidget(_kt('Email Notifications'), _('If this is specified then the user will have notifications sent to the email address entered above.  If it is not set, then the user will only see notifications on the <strong>Dashboard</strong>'), 'email_notifications', true, $this->oPage, false);
+        $fields[] =  new KTStringWidget(_kt('Mobile Number'), _('The mobile phone number of the user.  If the system is configured to send notifications to cellphones, then this number will have an SMS delivered to it with notifications.  e.g. <strong>999 9999 999</strong>'), 'mobile_number', $aResults[$this->aAttributes[5]], $this->oPage, false);
+        $fields[] =  new KTStringWidget(_kt('Maximum Sessions'), _('As a safety precaution, it is useful to limit the number of times a given account can log in, before logging out.  This prevents a single account being used by many different people.'), 'max_sessions', '3', $this->oPage, true);
         $aTemplateData = array(
             'context' => &$this,
@@ -235,9 +235,9 @@ class KTLDAPBaseAuthenticationProvider extends KTAuthenticationProvider {
         $dn = KTUtil::arrayGet($_REQUEST, 'dn');
         $samaccountname = KTUtil::arrayGet($_REQUEST, 'samaccountname');
         $name = KTUtil::arrayGet($_REQUEST, 'name');
-        if (empty($name)) { $this->errorRedirectToMain(_('You must specify a name for the user.')); }
+        if (empty($name)) { $this->errorRedirectToMain(_kt('You must specify a name for the user.')); }
         $username = KTUtil::arrayGet($_REQUEST, 'ldap_username');
-        if (empty($name)) { $this->errorRedirectToMain(_('You must specify a new username.')); }
+        if (empty($name)) { $this->errorRedirectToMain(_kt('You must specify a new username.')); }
         // FIXME check for non-clashing usernames.
         $email_address = KTUtil::arrayGet($_REQUEST, 'email_address');
@@ -261,11 +261,11 @@ class KTLDAPBaseAuthenticationProvider extends KTAuthenticationProvider {
         ));
         if (PEAR::isError($oUser) || ($oUser == false)) {
-            $this->errorRedirectToMain(_("failed to create user."));
+            $this->errorRedirectToMain(_kt("failed to create user."));
             exit(0);
         }
-        $this->successRedirectToMain(_('Created new user') . ': ' . $oUser->getUsername());
+        $this->successRedirectToMain(_kt('Created new user') . ': ' . $oUser->getUsername());
         exit(0);
     }
     // }}}
@@ -298,7 +298,7 @@ class KTLDAPBaseAuthenticationProvider extends KTAuthenticationProvider {
             ));
             $aNames[] = $sName;
         }
-        $this->successRedirectToMain(_("Added users") . ": " . join(', ', $aNames));
+        $this->successRedirectToMain(_kt("Added users") . ": " . join(', ', $aNames));
     }
     // }}}
@@ -318,7 +318,7 @@ class KTLDAPBaseAuthenticationProvider extends KTAuthenticationProvider {
                     return $this->_do_editUserFromSource();
                 }
             } else {
-                $this->oPage->addError(_("No valid LDAP user chosen"));
+                $this->oPage->addError(_kt("No valid LDAP user chosen"));
             }
         }
         if (KTUtil::arrayGet($submit, 'create')) {
@@ -328,8 +328,8 @@ class KTLDAPBaseAuthenticationProvider extends KTAuthenticationProvider {
         $oTemplate = $this->oValidator->validateTemplate('ktstandard/authentication/ldapsearchuser');
         $fields = array();
-        $fields[] = new KTStringWidget(_("User's name"), _("The user's name, or part thereof, to find the user that you wish to add"), 'ldap_name', '', $this->oPage, true);
-        $fields[] = new KTCheckboxWidget(_("Mass import"), _("Allow for multiple users to be selected to be added (will not get to manually verify the details if selected)"), 'massimport', false, $this->oPage, true);
+        $fields[] = new KTStringWidget(_kt("User's name"), _("The user's name, or part thereof, to find the user that you wish to add"), 'ldap_name', '', $this->oPage, true);
+        $fields[] = new KTCheckboxWidget(_kt("Mass import"), _("Allow for multiple users to be selected to be added (will not get to manually verify the details if selected)"), 'massimport', false, $this->oPage, true);
         $oAuthenticator = $this->getAuthenticator($oSource);
         $name = KTUtil::arrayGet($_REQUEST, 'ldap_name');
@@ -366,7 +366,7 @@ class KTLDAPBaseAuthenticationProvider extends KTAuthenticationProvider {
             if (!empty($id)) {
                 return $this->_do_editGroupFromSource();
             } else {
-                $this->oPage->addError(_("No valid LDAP group chosen"));
+                $this->oPage->addError(_kt("No valid LDAP group chosen"));
             }
         }
         if (KTUtil::arrayGet($submit, 'create')) {
@@ -376,7 +376,7 @@ class KTLDAPBaseAuthenticationProvider extends KTAuthenticationProvider {
         $oTemplate = $this->oValidator->validateTemplate('ktstandard/authentication/ldapsearchgroup');
         $fields = array();
-        $fields[] = new KTStringWidget(_("Group's name"), _("The group's name, or part thereof, to find the group that you wish to add"), 'name', '', $this->oPage, true);
+        $fields[] = new KTStringWidget(_kt("Group's name"), _("The group's name, or part thereof, to find the group that you wish to add"), 'name', '', $this->oPage, true);
         $oAuthenticator = $this->getAuthenticator($oSource);
         $name = KTUtil::arrayGet($_REQUEST, 'name');
@@ -408,10 +408,10 @@ class KTLDAPBaseAuthenticationProvider extends KTAuthenticationProvider {
         $aAttributes = $oAuthenticator->getGroup($id);
         $fields = array();
-        $fields[] = new KTStaticTextWidget(_('LDAP DN'), _('The location of the group within the LDAP directory.'), 'dn', $aAttributes['dn'], $this->oPage);
-        $fields[] = new KTStringWidget(_('Group Name'), _('The name the group will enter to gain access to KnowledgeTree.  e.g. <strong>accountants</strong>'), 'ldap_groupname', $aAttributes['cn'], $this->oPage, true);
-        $fields[] = new KTCheckboxWidget(_('Unit Administrators'),_('Should all the members of this group be given <strong>unit</strong> administration privileges?'), 'is_unitadmin', false, $this->oPage, false);
-        $fields[] = new KTCheckboxWidget(_('System Administrators'),_('Should all the members of this group be given <strong>system</strong> administration privileges?'), 'is_sysadmin', false, $this->oPage, false);
+        $fields[] = new KTStaticTextWidget(_kt('LDAP DN'), _('The location of the group within the LDAP directory.'), 'dn', $aAttributes['dn'], $this->oPage);
+        $fields[] = new KTStringWidget(_kt('Group Name'), _('The name the group will enter to gain access to KnowledgeTree.  e.g. <strong>accountants</strong>'), 'ldap_groupname', $aAttributes['cn'], $this->oPage, true);
+        $fields[] = new KTCheckboxWidget(_kt('Unit Administrators'), _('Should all the members of this group be given <strong>unit</strong> administration privileges?'), 'is_unitadmin', false, $this->oPage, false);
+        $fields[] = new KTCheckboxWidget(_kt('System Administrators'), _('Should all the members of this group be given <strong>system</strong> administration privileges?'), 'is_sysadmin', false, $this->oPage, false);
         $aTemplateData = array(
             'context' => &$this,
@@ -429,7 +429,7 @@ class KTLDAPBaseAuthenticationProvider extends KTAuthenticationProvider {
         $oSource =& KTAuthenticationSource::get($_REQUEST['source_id']);
         $dn = KTUtil::arrayGet($_REQUEST, 'dn');
         $name = KTUtil::arrayGet($_REQUEST, 'ldap_groupname');
-        if (empty($name)) { $this->errorRedirectToMain(_('You must specify a name for the group.')); }
+        if (empty($name)) { $this->errorRedirectToMain(_kt('You must specify a name for the group.')); }
         $is_unitadmin = KTUtil::arrayGet($_REQUEST, 'is_unitadmin', false);
         $is_sysadmin = KTUtil::arrayGet($_REQUEST, 'is_sysadmin', false);
@@ -443,14 +443,14 @@ class KTLDAPBaseAuthenticationProvider extends KTAuthenticationProvider {
         ));
         if (PEAR::isError($oGroup) || ($oGroup == false)) {
-            $this->errorRedirectToMain(_("failed to create group."));
+            $this->errorRedirectToMain(_kt("failed to create group."));
             exit(0);
         }
         $oAuthenticator = $this->getAuthenticator($oSource);
         $oAuthenticator->synchroniseGroup($oGroup);
-        $this->successRedirectToMain(_('Created new group') . ': ' . $oGroup->getName());
+        $this->successRedirectToMain(_kt('Created new group') . ': ' . $oGroup->getName());
         exit(0);
     }
     // }}}
@@ -82,18 +82,18 @@ class FolderWorkflowAssignmentFolderAction extends KTFolderAction {
     var $_sShowPermission = "ktcore.permissions.addFolder";
     function getDisplayName() {
-        return _('Configure Workflows');
+        return _kt('Configure Workflows');
     }
     function do_main() {
-        $this->oPage->setBreadcrumbDetails(_("Configure Workflows for Folder"));
-        $this->oPage->setTitle(_("Configure Workflows for Folder"));
+        $this->oPage->setBreadcrumbDetails(_kt("Configure Workflows for Folder"));
+        $this->oPage->setTitle(_kt("Configure Workflows for Folder"));
         $oTemplate =& $this->oValidator->validateTemplate('ktstandard/workflow/folderconfigure');
         $fields = array();
         $aWorkflows = KTWorkflow::getList('start_state_id IS NOT NULL');
         $aVocab = array();
-        $aVocab[] = _('No automatic workflow.');
+        $aVocab[] = _kt('No automatic workflow.');
         foreach ($aWorkflows as $oWorkflow) {
             $aVocab[$oWorkflow->getId()] = $oWorkflow->getName();   
         }
@@ -107,7 +107,7 @@ class FolderWorkflowAssignmentFolderAction extends KTFolderAction {
         if (PEAR::isError($res)) {
             $res = null;
         }
-        $fields[] = new KTLookupWidget(_('Automatic Workflow'), _('If you specify an automatic workflow, new documents will automatically enter that workflows starting state.  Setting this to "No Automatic Workflow" will mean that users can choose the appropriate workflow.'), 'fWorkflowId', $res, $this->oPage, true, null, $fieldErrors, $fieldOptions);
+        $fields[] = new KTLookupWidget(_kt('Automatic Workflow'), _('If you specify an automatic workflow, new documents will automatically enter that workflows starting state.  Setting this to "No Automatic Workflow" will mean that users can choose the appropriate workflow.'), 'fWorkflowId', $res, $this->oPage, true, null, $fieldErrors, $fieldOptions);
         $oTemplate->setData(array(
@@ -128,7 +128,7 @@ class FolderWorkflowAssignmentFolderAction extends KTFolderAction {
         DBUtil::runQuery(array($sQuery, $aParams));
         if (is_null($fWorkflowId)) {
-            $this->successRedirectToMain(_('Workflow assignment removed.'), 'fFolderId='.$this->oFolder->getId());
+            $this->successRedirectToMain(_kt('Workflow assignment removed.'), 'fFolderId='.$this->oFolder->getId());
         }
         $aOptions = array('noid' => true);
@@ -140,10 +140,10 @@ class FolderWorkflowAssignmentFolderAction extends KTFolderAction {
             ), $aOptions);
         if (PEAR::isError($res)) {
-            $this->errorRedirectToMain(_('Error assigning workflow.'), 'fFolderId='.$this->oFolder->getId());
+            $this->errorRedirectToMain(_kt('Error assigning workflow.'), 'fFolderId='.$this->oFolder->getId());
         }
-        $this->successRedirectToMain(_('Workflow assignment updated.'), 'fFolderId='.$this->oFolder->getId());
+        $this->successRedirectToMain(_kt('Workflow assignment updated.'), 'fFolderId='.$this->oFolder->getId());
     }
 }
@@ -44,8 +44,8 @@ class KTDocTypeWorkflowAssociationPlugin extends KTPlugin {
         if ($res == 'ktstandard.triggers.workflowassociation.documenttype.handler') {
             $this->registerAdminPage('workflow_type_allocation', 'WorkflowTypeAllocationDispatcher', 
-                'documents', _('Workflow Allocation by Document Types'), 
-                _('This installation assigns workflows by Document Type. Configure this process here.'), __FILE__);        
+                'documents', _kt('Workflow Allocation by Document Types'), 
+                _kt('This installation assigns workflows by Document Type. Configure this process here.'), __FILE__);        
             $this->registeri18n('knowledgeTree', KT_DIR . '/i18n');
         }
@@ -83,7 +83,7 @@ class WorkflowTypeAllocationDispatcher extends KTAdminDispatcher {
         $res = parent::check();
         if (!$res) { return false; }
-        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name'=> _('Workflow Allocation by Document Types'));
+        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name'=> _kt('Workflow Allocation by Document Types'));
         return true;
     }
@@ -97,7 +97,7 @@ class WorkflowTypeAllocationDispatcher extends KTAdminDispatcher {
         $aTypeMapping = array();
         if (PEAR::isError($res)) {
-            $this->oPage->addError(_('Failed to get type mapping: ') . $res->getMessage());
+            $this->oPage->addError(_kt('Failed to get type mapping: ') . $res->getMessage());
         } else {
             foreach ($res as $aRow) {
                 $aTypeMapping[$aRow['document_type_id']] = $aRow['workflow_id'];
@@ -142,7 +142,7 @@ class WorkflowTypeAllocationDispatcher extends KTAdminDispatcher {
             ), $aOptions);
         }
-        $this->successRedirectToMain(_('Type mapping updated.'));
+        $this->successRedirectToMain(_kt('Type mapping updated.'));
     }
 }
@@ -40,7 +40,7 @@ class WorkflowAllocationSelection extends KTAdminDispatcher {
         $res = parent::check();
         if (!$res) { return false; }
-        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name'=> _('Automatic Workflow Assignments'));
+        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name'=> _kt('Automatic Workflow Assignments'));
         return true;
     }
@@ -55,7 +55,7 @@ class WorkflowAllocationSelection extends KTAdminDispatcher {
         foreach ($aTriggers as $aTrigger) {
             $aVocab[$aTrigger[2]] = $aTrigger[0];
         }
-        $aFields[] = new KTLookupWidget(_('Workflow Plugins'), _('Plugins providing workflow allocators.'),'selection_ns', $this->getHandler(), $this->oPage, true, null, null, array('vocab' => $aVocab));
+        $aFields[] = new KTLookupWidget(_kt('Workflow Plugins'), _('Plugins providing workflow allocators.'),'selection_ns', $this->getHandler(), $this->oPage, true, null, null, array('vocab' => $aVocab));
         $oTemplate =& $this->oValidator->validateTemplate('ktstandard/workflow/allocator_selection');
         $oTemplate->setData(array(
@@ -84,10 +84,10 @@ class WorkflowAllocationSelection extends KTAdminDispatcher {
             $sQuery .= ' WHERE event_ns = ?';
             $aParams = array('ktstandard.workflowassociation.handler');
             DBUtil::runQuery(array($sQuery, $aParams));
-            $this->successRedirectToMain(_('Handler removed.'));
+            $this->successRedirectToMain(_kt('Handler removed.'));
         } else {
             if (!array_key_exists($selection_ns, $aTriggers)) {
-                $this->errorRedirectToMain(_('Invalid assignment'));
+                $this->errorRedirectToMain(_kt('Invalid assignment'));
             }
@@ -103,7 +103,7 @@ class WorkflowAllocationSelection extends KTAdminDispatcher {
             $sQuery .= ' VALUES ("ktstandard.workflowassociation.handler",?)';
             $aParams = array($selection_ns);
             DBUtil::runQuery(array($sQuery, $aParams));
-            $this->successRedirectToMain(_('Handler set.'));
+            $this->successRedirectToMain(_kt('Handler set.'));
         }
     }
 }