diff --git a/main/gradebook/lib/gradebook_functions.inc.php b/main/gradebook/lib/gradebook_functions.inc.php
index 6a780fced4..294f5150ed 100644
--- a/main/gradebook/lib/gradebook_functions.inc.php
+++ b/main/gradebook/lib/gradebook_functions.inc.php
@@ -195,7 +195,7 @@ function build_edit_icons_cat($cat, $selectcat) {
 		} else {
 			//$modify_icons .= '&nbsp;<img src="../img/deplacer_fichier_na.gif" border="0" title="' . get_lang('Move') . '" alt="" />';
 		}
-		$modify_icons .= '&nbsp;<a href="' . api_get_self() . '?visiblecat=' . $cat->get_id() . '&amp;' . $visibility_command . '=&amp;selectcat=' . $selectcat . ' &amp;cidReq='.$cat->get_name().'"><img src="../img/' . $visibility_icon . '.gif" border="0" title="' . get_lang('Visible') . '" alt="" /></a>';
+		$modify_icons .= '&nbsp;<a href="' . api_get_self() . '?visiblecat=' . $cat->get_id() . '&amp;' . $visibility_command . '=&amp;selectcat=' . $selectcat . ' "><img src="../img/' . $visibility_icon . '.gif" border="0" title="' . get_lang('Visible') . '" alt="" /></a>';
 		
 		return $modify_icons;
 	}
@@ -216,7 +216,7 @@ function build_edit_icons_eval($eval, $selectcat) {
 		$modify_icons= '<a href="gradebook_edit_eval.php?editeval=' . $eval->get_id() . ' &amp;cidReq='.$eval->get_course_code().'"><img src="../img/edit.gif" border="0" title="' . get_lang('Modify') . '" alt="" /></a>';
 		$modify_icons .= '&nbsp;<a href="' . api_get_self() . '?deleteeval=' . $eval->get_id() . '&selectcat=' . $selectcat . ' &amp;cidReq='.$eval->get_course_code().'" onclick="return confirmation();"><img src="../img/delete.gif" border="0" title="' . get_lang('Delete') . '" alt="" /></a>';
 		//$modify_icons .= '&nbsp;<a href="' . api_get_self() . '?moveeval=' . $eval->get_id() . '&selectcat=' . $selectcat . '"><img src="../img/deplacer_fichier.gif" border="0" title="' . get_lang('Move') . '" alt="" /></a>';
-		$modify_icons .= '&nbsp;<a href="' . api_get_self() . '?visibleeval=' . $eval->get_id() . '&amp;' . $visibility_command . '=&amp;selectcat=' . $selectcat . ' &amp;cidReq='.$eval->get_course_code().'"><img src="../img/' . $visibility_icon . '.gif" border="0" title="' . get_lang('Visible') . '" alt="" /></a>';
+		$modify_icons .= '&nbsp;<a href="' . api_get_self() . '?visibleeval=' . $eval->get_id() . '&amp;' . $visibility_command . '=&amp;selectcat=' . $selectcat . ' "><img src="../img/' . $visibility_icon . '.gif" border="0" title="' . get_lang('Visible') . '" alt="" /></a>';
 		if ($status==1 || is_null($status)){
 			$modify_icons .= '&nbsp;<a href="gradebook_showlog_eval.php?visiblelog=' . $eval->get_id() . '&amp;selectcat=' . $selectcat . ' &amp;cidReq='.$eval->get_course_code().'"><img src="../img/file_txt_small.gif" border="0" title="' . get_lang('GradebookQualifyLog') . '" alt="" /></a>';
 		}
@@ -239,7 +239,7 @@ function build_edit_icons_link($link, $selectcat) {
 		$modify_icons= '<a href="gradebook_edit_link.php?editlink=' . $link->get_id() . ' &amp;cidReq='.$link->get_course_code().'"><img src="../img/edit.gif" border="0" title="' . get_lang('Modify') . '" alt="" /></a>';
 		$modify_icons .= '&nbsp;<a href="' . api_get_self() . '?deletelink=' . $link->get_id() . '&selectcat=' . $selectcat . ' &amp;cidReq='.$link->get_course_code().'" onclick="return confirmation();"><img src="../img/delete.gif" border="0" title="' . get_lang('Delete') . '" alt="" /></a>';
 		//$modify_icons .= '&nbsp;<a href="' . api_get_self() . '?movelink=' . $link->get_id() . '&selectcat=' . $selectcat . '"><img src="../img/deplacer_fichier.gif" border="0" title="' . get_lang('Move') . '" alt="" /></a>';
-		$modify_icons .= '&nbsp;<a href="' . api_get_self() . '?visiblelink=' . $link->get_id() . '&amp;' . $visibility_command . '=&amp;selectcat=' . $selectcat . ' &amp;cidReq='.$link->get_course_code().'"><img src="../img/' . $visibility_icon . '.gif" border="0" title="' . get_lang('Visible') . '" alt="" /></a>';
+		$modify_icons .= '&nbsp;<a href="' . api_get_self() . '?visiblelink=' . $link->get_id() . '&amp;' . $visibility_command . '=&amp;selectcat=' . $selectcat . ' "><img src="../img/' . $visibility_icon . '.gif" border="0" title="' . get_lang('Visible') . '" alt="" /></a>';
 		$modify_icons .= '&nbsp;<a href="gradebook_showlog_link.php?visiblelink=' . $link->get_id() . '&amp;selectcat=' . $selectcat . '&amp;cidReq='.$link->get_course_code().'"><img src="../img/file_txt_small.gif" border="0" title="' . get_lang('GradebookQualifyLog') . '" alt="" /></a>';
 		//if (api_is_course_admin() == true) {
 			//$modify_icons .= '&nbsp;<a href="gradebook_showlog_eval.php?visiblelog=' . $eval->get_id() . '&amp;' . $visibility_command . '=&amp;selectcat=' . $selectcat . '"><img src="../img/file_txt_small.gif" border="0" title="' . get_lang('GradebookQualifyLog') . '" alt="" /></a>';