restore old code that did not have this bug

main/admin/course_list.php

@@ -128,8 +128,10 @@ function modify_filter($code,$url_params,$row)
 	global $charset;
 		return
 		'<a href="course_information.php?code='.$code.'">'.Display::return_icon('synthese_view.gif', get_lang('Info')).'</a>&nbsp;'.
-		//'<a href="../course_home/course_home.php?cidReq='.$code.'">'.Display::return_icon('course_home.gif', get_lang('CourseHomepage')).'</a>&nbsp;'. // This is not the preferable way to go to the homepage.
+		// This is not the preferable way to go to the homepage. But for the moment the only one because the directory is not in the $row of the sortable table and
-		'<a href="'.api_get_path(WEB_COURSE_PATH).$row[8].'/index.php">'.Display::return_icon('course_home.gif', get_lang('CourseHomepage')).'</a>&nbsp;'.
+		// visual code or code is not necessarily identical to $code
+		'<a href="../course_home/course_home.php?cidReq='.$code.'">'.Display::return_icon('course_home.gif', get_lang('CourseHomepage')).'</a>&nbsp;'. 
+		//'<a href="'.api_get_path(WEB_COURSE_PATH).$row[11].'/index.php">'.Display::return_icon('course_home.gif', get_lang('CourseHomepage')).'</a>&nbsp;'.
 		'<a href="../tracking/courseLog.php?cidReq='.$code.'">'.Display::return_icon('statistics.gif', get_lang('Tracking')).'</a>&nbsp;'.
 		'<a href="course_edit.php?course_code='.$code.'">'.Display::return_icon('edit.gif', get_lang('Edit')).'</a>&nbsp;'.
 		'<a href="course_list.php?delete_course='.$code.'"  onclick="javascript:if(!confirm('."'".addslashes(api_htmlentities(get_lang("ConfirmYourChoice"),ENT_QUOTES,$charset))."'".')) return false;">'.Display::return_icon('delete.gif', get_lang('Delete')).'</a>'.