diff --git a/main/admin/careers.php b/main/admin/careers.php
index cc7ae6f12f..21de5b030d 100644
--- a/main/admin/careers.php
+++ b/main/admin/careers.php
@@ -64,10 +64,10 @@ $action_links = 'function action_formatter(cellvalue, options, rowObject) {
                  }';
 ?>
 <script>
-$(function() {    
+$(function() {
 <?php 
     // grid definition see the $career->display() function
-    echo Display::grid_js('careers',  $url,$columns,$column_model,$extra_params, array(), $action_links);       
+    echo Display::grid_js('careers',  $url,$columns,$column_model,$extra_params, array(), $action_links,true);       
 ?> 
 });
 </script>
diff --git a/main/admin/promotions.php b/main/admin/promotions.php
index 44ba1ecea2..d966eecf9a 100644
--- a/main/admin/promotions.php
+++ b/main/admin/promotions.php
@@ -58,9 +58,9 @@ $action_links = 'function action_formatter (cellvalue, options, rowObject) {
 
 ?>
 <script>
-$(function() {    
+$(function() { 
     <?php 
-         echo Display::grid_js('promotions',  $url,$columns,$column_model,$extra_params,array(), $action_links);       
+         echo Display::grid_js('promotions',  $url,$columns,$column_model,$extra_params,array(), $action_links, true);       
     ?> 
 
 });
diff --git a/main/admin/usergroups.php b/main/admin/usergroups.php
index ba0f709989..3c25a38855 100644
--- a/main/admin/usergroups.php
+++ b/main/admin/usergroups.php
@@ -46,12 +46,12 @@ $columns        = array(get_lang('Name'), get_lang('Users'), get_lang('Courses')
 
 //Column config
 $column_model   = array(
-						array('name'=>'name',           'index'=>'name',        'width'=>'80',   'align'=>'left'),
+						array('name'=>'name',           'index'=>'name',        'width'=>'35',   'align'=>'left'),
                         //array('name'=>'description',    'index'=>'description', 'width'=>'500',  'align'=>'left'),
-                        array('name'=>'users',    		'index'=>'users', 		'width'=>'200',  'align'=>'left'),
-                        array('name'=>'courses',    	'index'=>'courses', 	'width'=>'200',  'align'=>'left'),
-                        array('name'=>'sessions',    	'index'=>'sessions', 	'width'=>'200',  'align'=>'left'),
-                        array('name'=>'actions',        'index'=>'actions',     'formatter'=>'action_formatter','width'=>'100',  'align'=>'left','sortable'=>'false'),
+                        array('name'=>'users',    		'index'=>'users', 		'width'=>'15',  'align'=>'left'),
+                        array('name'=>'courses',    	'index'=>'courses', 	'width'=>'15',  'align'=>'left'),
+                        array('name'=>'sessions',    	'index'=>'sessions', 	'width'=>'15',  'align'=>'left'),
+                        array('name'=>'actions',        'index'=>'actions',     'width'=>'20',  'align'=>'left','sortable'=>'false','formatter'=>'action_formatter'),
                        );            
 //Autowidth             
 $extra_params['autowidth'] = 'true';
@@ -68,10 +68,10 @@ $action_links = 'function action_formatter (cellvalue, options, rowObject) {
                  }';
 ?>
 <script>
-$(function() {    
+$(function() {
 <?php 
     // grid definition see the $usergroup>display() function
-    echo Display::grid_js('usergroups',  $url,$columns,$column_model,$extra_params, array(), $action_links);       
+    echo Display::grid_js('usergroups',  $url,$columns,$column_model,$extra_params, array(), $action_links,true);       
 ?> 
 });
 </script>   
diff --git a/main/inc/lib/display.lib.php b/main/inc/lib/display.lib.php
index fbfa7f6991..add6635811 100755
--- a/main/inc/lib/display.lib.php
+++ b/main/inc/lib/display.lib.php
@@ -838,7 +838,7 @@ class Display {
      * @return  string  the js code 
      * 
      */
-    public static function grid_js($div_id, $url, $column_names, $column_model, $extra_params, $data = array(), $formatter = '') {
+    public static function grid_js($div_id, $url, $column_names, $column_model, $extra_params, $data = array(), $formatter = '', $width_fix = false) {
         $obj = new stdClass();
               
         if (!empty($url))
@@ -908,8 +908,14 @@ class Display {
         //Fixing true/false js values that doesn't need the ""
         $json_encode = str_replace(':"true"',':true',$json_encode);
         $json_encode = str_replace(':"false"',':false',$json_encode);
-        
         $json_encode = str_replace('"formatter":"action_formatter"','formatter:action_formatter',$json_encode);
+        
+        if ($width_fix) {
+            //see BT#2020
+            $json .= "$(window).bind('resize', function() {
+        	    $('#".$div_id."').setGridWidth($(window).width() - 150);
+        	}).trigger('resize');";
+        }
               
         //Creating the jqgrid element         
         $json .= '$("#'.$div_id.'").jqGrid(';