diff --git a/admin/report/customlang/edit.php b/admin/report/customlang/edit.php
index b68b56549e3..6e9a7f26a4d 100644
--- a/admin/report/customlang/edit.php
+++ b/admin/report/customlang/edit.php
@@ -38,7 +38,7 @@ $PAGE->set_url('/admin/report/customlang/edit.php', array('lng' => $lng));
 navigation_node::override_active_url(new moodle_url('/admin/report/customlang/index.php'));
 $PAGE->set_title(get_string('pluginname', 'report_customlang'));
 $PAGE->set_heading(get_string('pluginname', 'report_customlang'));
-//$PAGE->requires->js_init_call('M.report_customlang.init_translator', array(), true);
+$PAGE->requires->js_init_call('M.report_customlang.init_editor', array(), true);
 
 if (empty($lng)) {
     // PARAM_LANG validation failed
diff --git a/admin/report/customlang/module.js b/admin/report/customlang/module.js
new file mode 100644
index 00000000000..ec38cacadc2
--- /dev/null
+++ b/admin/report/customlang/module.js
@@ -0,0 +1,45 @@
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * @package    report
+ * @subpackage customlang
+ * @copyright  2010 David Mudrak <david@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+/**
+ * @namespace
+ */
+M.report_customlang = M.report_customlang || {};
+
+/**
+ * YUI instance holder
+ */
+M.report_customlang.Y = {};
+
+/**
+ * Initialize JS support for the edit.php
+ *
+ * @param {Object} Y YUI instance
+ */
+M.report_customlang.init_editor = function(Y) {
+    M.report_customlang.Y = Y;
+
+    Y.all('#translator .local textarea').each(function (textarea) {
+        var cell = textarea.get('parentNode');
+        textarea.setStyle('height', cell.getComputedStyle('height'));
+    });
+}
diff --git a/admin/report/customlang/renderer.php b/admin/report/customlang/renderer.php
index 2f8b3a1abf2..330b5aea553 100644
--- a/admin/report/customlang/renderer.php
+++ b/admin/report/customlang/renderer.php
@@ -76,6 +76,7 @@ class report_customlang_renderer extends plugin_renderer_base {
             $cells[1]->attributes['class'] = 'stringid';
             // master translation of the string
             $master = html_writer::tag('div', s($string->master), array('class' => 'preformatted'));
+            $minheight = strlen($string->master) / 200;
             if (preg_match('/\{\$a(->.+)?\}/', $string->master)) {
                 $master .= html_writer::tag('div', $this->help_icon('placeholder', 'report_customlang',
                         get_string('placeholderwarning', 'report_customlang')), array('class' => 'placeholderinfo'));
@@ -83,7 +84,11 @@ class report_customlang_renderer extends plugin_renderer_base {
             $cells[2] = new html_table_cell($master);
             $cells[2]->attributes['class'] = 'standard master';
             // local customization of the string
-            $textarea = html_writer::tag('textarea', s($string->local), array('name'=>'cust['.$string->id.']'));
+            $textareaattributes = array('name'=>'cust['.$string->id.']', 'cols'=>40, 'rows'=>3);
+            if ($minheight>1) {
+               $textareaattributes['style'] = 'min-height:' . (int) 4*$minheight . 'em;';
+            }
+            $textarea = html_writer::tag('textarea', s($string->local), $textareaattributes);
             $cells[3] = new html_table_cell($textarea);
             if (!is_null($string->local) and $string->outdated) {
                 $mark  = html_writer::empty_tag('input', array('type' => 'checkbox', 'id' => 'update_' . $string->id,
diff --git a/admin/report/customlang/version.php b/admin/report/customlang/version.php
index f55d8289ec8..78fa1921a6d 100644
--- a/admin/report/customlang/version.php
+++ b/admin/report/customlang/version.php
@@ -24,5 +24,5 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$plugin->version  = 2010111500;
-$plugin->requires = 2010111002;
+$plugin->version  = 2010120900;
+$plugin->requires = 2010120700;