diff --git a/ChangeLog b/ChangeLog
index 1b43305a135..efab71f873f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -32,7 +32,8 @@ For developers:
   sources on two repositories.
 - Removed useless code of old commercial module.
 - Updated wiki documentation.
-
+- Better W3C standard
+ 
 
 ***** Changelog for 2.6 compared to 2.5 *****
 
diff --git a/htdocs/admin/menus/edit.php b/htdocs/admin/menus/edit.php
index e4d4bc94f90..1cc2093652d 100644
--- a/htdocs/admin/menus/edit.php
+++ b/htdocs/admin/menus/edit.php
@@ -181,82 +181,11 @@ if (isset($_GET["action"]) && $_GET["action"] == 'add')
 	}
 }
 
-/*
-if (isset($_GET["action"]) && $_GET["action"] == 'add_const')
-{
-
-	if($_POST['type'] == 'prede')
-	{
-		$sql = "INSERT INTO ".MAIN_DB_PREFIX."menu_const(fk_menu, fk_constraint) VALUES(".$_POST['menuId'].",".$_POST['constraint'].")";
-	}
-	else
-	{
-
-		$sql = "SELECT max(rowid) as maxId FROM ".MAIN_DB_PREFIX."menu_constraint";
-		$result = $db->query($sql);
-		$objc = $db->fetch_object($result);
-		$constraint = ($objc->maxId)  + 1;
-
-		$sql = "INSERT INTO ".MAIN_DB_PREFIX."menu_constraint(rowid,action) VALUES(".$constraint.",'".$_POST['constraint']."')";
-		$db->query($sql);
-
-		$sql = "INSERT INTO ".MAIN_DB_PREFIX."menu_const(fk_menu, fk_constraint) VALUES(".$_POST['menuId'].",".$constraint.")";
-	}
-
-	$db->query($sql);
-
-	header("location:edit.php?action=edit&menuId=".$_POST['menuId']);
-	exit;
-}
-
-if (isset($_GET["action"]) && $_GET["action"] == 'del_const')
-{
-	$sql = "DELETE FROM ".MAIN_DB_PREFIX."menu_const WHERE fk_menu = ".$_GET['menuId']." AND fk_constraint = ".$_GET['constId'];
-	$db->query($sql);
-
-	$sql = "SELECT count(rowid) as countId FROM ".MAIN_DB_PREFIX."menu_const WHERE fk_constraint = ".$_GET['constId'];
-	$result = $db->query($sql);
-	$objc = $db->fetch_object($result);
-	if($objc->countId == 0)
-	{
-		$sql = "DELETE FROM ".MAIN_DB_PREFIX."menu_constraint WHERE rowid = ".$_GET['constId'];
-		$db->query($sql);
-	}
-
-	header("location:edit.php?action=edit&menuId=".$_GET['menuId']);
-	exit;
-}
-*/
-
 // Suppression
 if ($_POST["action"] == 'confirm_delete' && $_POST["confirm"] == 'yes')
 {
 	$this->db->begin();
 
-	/*
-	$sql = "SELECT c.rowid, c.fk_constraint FROM ".MAIN_DB_PREFIX."menu_const as c WHERE c.fk_menu = ".$_GET['menuId'];
-	$res  = $db->query($sql);
-	if ($res)
-	{
-
-		while ($obj = $db->fetch_object($res))
-		{
-			$sql = "DELETE FROM ".MAIN_DB_PREFIX."menu_const WHERE rowid = ".$obj->rowid;
-			$result = $db->query($sql);
-
-			$sql = "SELECT count(rowid) as countId FROM ".MAIN_DB_PREFIX."menu_const WHERE fk_constraint = ".$obj->fk_constraint;
-			$result = $db->query($sql);
-			$objc = $db->fetch_object($result);
-
-			if($objc->countId == 0)
-			{
-				$sql = "DELETE FROM ".MAIN_DB_PREFIX."menu_constraint WHERE rowid = ".$obj->fk_constraint;
-				$db->query($sql);
-			}
-		}
-	}
-	*/
-
 	$sql = "DELETE FROM ".MAIN_DB_PREFIX."menu WHERE rowid = ".$_GET['menuId'];
 	$db->query($sql);
 
@@ -481,101 +410,6 @@ elseif (isset($_GET["action"]) && $_GET["action"] == 'edit')
 	print '<br>';
 
 	if ($mesg) print $mesg.'<br>';
-
-	/*
-	* Lignes de contraintes
-	*/
-	/*
-	$sql = 'SELECT c.rowid, c.action';
-	$sql.= ' FROM '.MAIN_DB_PREFIX.'menu_constraint as c, '.MAIN_DB_PREFIX.'menu_const as mc';
-	$sql.= ' WHERE c.rowid = mc.fk_constraint';
-	$sql.= ' AND mc.fk_menu = '.$_GET['menuId'];
-
-	dol_syslog("Edit: sql=".$sql, LOG_DEBUG);
-	$resql = $db->query($sql);
-	if ($resql)
-	{
-		$num = $db->num_rows($resql);
-		$i = 0;
-
-		print '<table class="noborder" width="100%">';
-		if ($num)
-		{
-			print '<tr class="liste_titre">';
-			print '<td>'.$langs->trans('ConstraintsToShowOrNotEntry').' ('.$langs->trans("AllMustBeOk").')</td>';
-			print '<td width="16">&nbsp;</td>';
-			print "</tr>\n";
-		}
-		$var=true;
-
-		$var = true;
-		while ($i < $num)
-		{
-			$objc = $db->fetch_object($resql);
-
-			$var = !$var;
-			print '<tr '.$bc[$var].'>';
-			print '<td>'.$objc->action.'</td>';
-			print '<td align="center"><a href="edit.php?action=del_const&menuId='.$_GET['menuId'].'&constId='.$objc->rowid.'">'.img_delete().'</a></td>';
-
-			$i++;
-		}
-
-		print '<tr class="liste_titre">';
-		print '<td>'.$langs->trans('ConstraintsToShowOrNotEntry').'</td>';
-		print '<td width="16">&nbsp;</td>';
-		print "</tr>\n";
-
-
-		// Ajout de contraintes personalisees
-		print '<form action="edit.php?action=add_const" method="post">';
-		print '<input type="hidden" name="token" value="'.$_SESSION['newtoken'].'">';
-		print '<input type="hidden" name="menuId" value="'.$_GET['menuId'].'">';
-		print '<input type="hidden" name="type" value="perso">';
-
-		$var=true;
-		print '<tr '.$bc[$var].'>';
-		print '  <td><textarea cols="70" name="constraint" rows="1"></textarea></td>';
-		print '  <td align="center"><input type="submit" class="button" value="'.$langs->trans("Add").'"></td>';
-		print '</tr>';
-		print '</form>';
-
-
-		// Ajout de contraintes predefinis
-		print '<form action="edit.php?action=add_const" method="post">';
-		print '<input type="hidden" name="token" value="'.$_SESSION['newtoken'].'">';
-		print '<input type="hidden" name="menuId" value="'.$_GET['menuId'].'">';
-		print '<input type="hidden" name="type" value="prede">';
-
-		$var=!$var;
-		print '<tr '.$bc[$var].'>';
-		print '<td>';
-		print '<select name="constraint">';
-		$sql = 'SELECT c.rowid, c.action FROM '.MAIN_DB_PREFIX.'menu_constraint as c ORDER BY c.action';
-		$resql = $db->query($sql);
-		$num = $db->num_rows($resql);
-		$i = 0;
-		while ($i < $num)
-		{
-			$objc = $db->fetch_object($resql);
-			print '<option value="'.$objc->rowid.'">'.dol_trunc($objc->action,70).'</option>';
-			$i++;
-
-		}
-
-
-		print '</select>';
-		print '</td>';
-		print '<td align="center"><input type="submit" class="button" value="'.$langs->trans("Add").'"></td>';
-		print '</tr>';
-
-		print '</form>';
-
-		print '</table>';
-		$db->free($resql);
-	}
-	*/
-
 }
 
 
diff --git a/htdocs/admin/menus/index.php b/htdocs/admin/menus/index.php
index 63865c076e3..9f197f109bd 100644
--- a/htdocs/admin/menus/index.php
+++ b/htdocs/admin/menus/index.php
@@ -156,34 +156,6 @@ if ($_POST["action"] == 'confirm_delete' && $_POST["confirm"] == 'yes')
 {
 	$db->begin();
 
-	/*
-	$sql = "SELECT c.rowid, c.fk_constraint";
-	$sql.= " FROM ".MAIN_DB_PREFIX."menu_const as c";
-	$sql.= " WHERE c.fk_menu = ".$_GET['menuId'];
-	$res  = $db->query($sql);
-	if ($res)
-	{
-		while ($obj = $db->fetch_object ($res))
-		{
-			$sql = "DELETE FROM ".MAIN_DB_PREFIX."menu_const";
-			$sql.= " WHERE rowid = ".$obj->rowid;
-			$db->query($sql);	// Do not test error since table can does not exists
-
-			$sql = "SELECT count(rowid) as countId";
-			$sql.= " FROM ".MAIN_DB_PREFIX."menu_const";
-			$sql.= " WHERE fk_constraint = ".$obj->fk_constraint;
-			$result = $db->query($sql);
-			$objc = $db->fetch_object($result);
-
-			if($objc->countId == 0)
-			{
-				$sql = "DELETE FROM ".MAIN_DB_PREFIX."menu_constraint WHERE rowid = ".$obj->fk_constraint;
-				$db->query($sql);
-			}
-		}
-	}
-	*/
-
 	$sql = "DELETE FROM ".MAIN_DB_PREFIX."menu";
 	$sql.= " WHERE rowid = ".$_GET['menuId'];
 	$resql=$db->query($sql);
@@ -205,8 +177,9 @@ if ($_POST["action"] == 'confirm_delete' && $_POST["confirm"] == 'yes')
 
 
 /*
- * Affichage page
+ * View
  */
+
 $html=new Form($db);
 $htmladmin=new FormAdmin($db);
 
diff --git a/htdocs/bookmarks/bookmarks.lib.php b/htdocs/bookmarks/bookmarks.lib.php
index 7c2d5b81999..02aa3dba228 100644
--- a/htdocs/bookmarks/bookmarks.lib.php
+++ b/htdocs/bookmarks/bookmarks.lib.php
@@ -49,7 +49,7 @@ function printBookmarksList ($aDb, $aLangs)
 	$ret = '';
 	// Menu bookmark
 	$ret.= '<div class="menu_titre">';
-	$ret.= '<table class="nobordernopadding" width="100%"><tr class="no"><td>';
+	$ret.= '<table class="nobordernopadding" width="100%" summary="bookmarkstable"><tr class="no"><td>';
 	$ret.= '<a class="vmenu" href="'.DOL_URL_ROOT.'/bookmarks/liste.php">'.$langs->trans('Bookm').'</a>';
 	$ret.= '</td><td align="right">';
 	if ($user->rights->bookmark->creer)
diff --git a/htdocs/includes/boxes/modules_boxes.php b/htdocs/includes/boxes/modules_boxes.php
index 8d2d3df55b0..a35fa1daaf4 100644
--- a/htdocs/includes/boxes/modules_boxes.php
+++ b/htdocs/includes/boxes/modules_boxes.php
@@ -117,14 +117,14 @@ class ModeleBoxes
 		if (! empty($head['text']) || ! empty($head['sublink']))
 		{
 			print '<div id="boxto_'.$this->box_id.'_title">'."\n";
-			print '<table width="100%" class="noborder">'."\n";
+			print '<table summary="boxtabletitle'.$this->box_id.'" width="100%" class="noborder">'."\n";
 			print '<tr class="box_titre">';
 			print '<td';
 			if ($nbcol > 0) { print ' colspan="'.$nbcol.'"'; }
 			print '>';
 			if ($conf->use_javascript_ajax)
 			{
-				print '<table class="nobordernopadding" width="100%"><tr><td align="left">';
+				print '<table summary="" class="nobordernopadding" width="100%"><tr><td align="left">';
 			}
 			if (! empty($head['text']))
 			{
@@ -151,7 +151,7 @@ class ModeleBoxes
 		// Show box lines
 		if ($nblines)
 		{
-			print '<table width="100%" class="noborder">'."\n";
+			print '<table summary="boxtablelines'.$this->box_id.'" width="100%" class="noborder">'."\n";
 			// Loop on each record
 			for ($i=0, $n=$nblines; $i < $n; $i++)
 			{
diff --git a/htdocs/includes/menus/barre_top/eldy_backoffice.php b/htdocs/includes/menus/barre_top/eldy_backoffice.php
index 94482c3a4b2..d9735aea88e 100644
--- a/htdocs/includes/menus/barre_top/eldy_backoffice.php
+++ b/htdocs/includes/menus/barre_top/eldy_backoffice.php
@@ -64,7 +64,7 @@ class MenuTop {
 		$_SESSION["leftmenuopened"]="";
 
 
-		print '<table class="tmenu"><tr class="tmenu">';
+		print '<table class="tmenu" summary="topmenu"><tr class="tmenu">';
 
 		// Home
 		$class="";
diff --git a/htdocs/includes/menus/barre_top/eldy_frontoffice.php b/htdocs/includes/menus/barre_top/eldy_frontoffice.php
index a2e5dcc510f..a4f3dbd8f19 100644
--- a/htdocs/includes/menus/barre_top/eldy_frontoffice.php
+++ b/htdocs/includes/menus/barre_top/eldy_frontoffice.php
@@ -64,7 +64,7 @@ class MenuTop {
 		$_SESSION["leftmenuopened"]="";
 
 
-		print '<table class="tmenu"><tr class="tmenu">';
+		print '<table class="tmenu" summary="topmenu"><tr class="tmenu">';
 
 		// Home
 		$class="";
diff --git a/htdocs/includes/menus/barre_top/empty.php b/htdocs/includes/menus/barre_top/empty.php
index 382ab0138a6..3edd17eb539 100644
--- a/htdocs/includes/menus/barre_top/empty.php
+++ b/htdocs/includes/menus/barre_top/empty.php
@@ -51,7 +51,7 @@ class MenuTop {
     {
         global $user,$conf,$langs,$dolibarr_main_db_name;;
 
-        print '<table class="tmenu"><tr class="tmenu">';
+        print '<table class="tmenu" summary="topmenu"><tr class="tmenu">';
 
 		// Menu Home
 	    print '<td class="tmenu"><a href="'.DOL_URL_ROOT.'/index.php?mainmenu=home">'.$langs->trans("Home").'</a></td>';
diff --git a/htdocs/includes/menus/barre_top/rodolphe.php b/htdocs/includes/menus/barre_top/rodolphe.php
index 63fcab829dd..407eb7c5771 100644
--- a/htdocs/includes/menus/barre_top/rodolphe.php
+++ b/htdocs/includes/menus/barre_top/rodolphe.php
@@ -64,7 +64,7 @@ class MenuTop {
         $_SESSION["leftmenuopened"]="";
 
 
-        print '<table class="tmenu"><tr class="tmenu">';
+        print '<table class="tmenu" summary="topmenu"><tr class="tmenu">';
 
         // Home
         $class="";
diff --git a/htdocs/main.inc.php b/htdocs/main.inc.php
index 071b80eeabd..8937b91e462 100644
--- a/htdocs/main.inc.php
+++ b/htdocs/main.inc.php
@@ -808,7 +808,7 @@ function top_menu($head, $title='', $target='')
 	{
 		$langs->load("admin");
 		print '<div class="fiche">'."\n";
-		print '<table class="noborder" width="100%">';
+		print '<table class="noborder" width="100%" summary="">';
 		print '<tr><td>';
 		print $langs->trans("UpdateRequired",DOL_URL_ROOT.'/install/index.php');
 		print '</td></tr>';
@@ -905,7 +905,7 @@ function left_menu($menu_array, $helppagename='', $moresearchform='')
 	$bookmarks='';
 
 	//    print '<div class="vmenuplusfiche">'."\n";
-	print '<table width="100%" class="notopnoleftnoright"><tr><td class="vmenu" valign="top">';
+	print '<table width="100%" class="notopnoleftnoright" summary="leftmenutable"><tr><td class="vmenu" valign="top">';
 
 	print "\n";