diff --git a/htdocs/actioncomm.class.php b/htdocs/actioncomm.class.php
index b6dffd15f19..ad90d11884b 100644
--- a/htdocs/actioncomm.class.php
+++ b/htdocs/actioncomm.class.php
@@ -71,6 +71,7 @@ class ActionComm
     function ActionComm($db)
     {
         $this->db = $db;
+        /*
         $this->societe = new Societe($db);
         $this->author = new User($db);
         $this->usermod = new User($db);
@@ -80,6 +81,7 @@ class ActionComm
         {
             $this->contact = new Contact($db);
         }
+		*/
     }
 
     /**
diff --git a/htdocs/comm/action/document.php b/htdocs/comm/action/document.php
index 8b0e48f1833..4c61fb5f371 100755
--- a/htdocs/comm/action/document.php
+++ b/htdocs/comm/action/document.php
@@ -69,7 +69,7 @@ $pagenext = $page + 1;
 if ( $_POST["sendit"] && ! empty($conf->global->MAIN_UPLOAD_DOC))
 {
     /*
-     * Creation répertoire si n'existe pas
+     * Creation r�pertoire si n'existe pas
      */
 	$upload_dir = $conf->actions->dir_output.'/'.sanitizeFileName($objectid);
 	if (! is_dir($upload_dir)) create_exdir($upload_dir);
@@ -83,7 +83,7 @@ if ( $_POST["sendit"] && ! empty($conf->global->MAIN_UPLOAD_DOC))
         }
         else
         {
-            // Echec transfert (fichier dépassant la limite ?)
+            // Echec transfert (fichier d�passant la limite ?)
             $mesg = '<div class="error">'.$langs->trans("ErrorFileNotUploaded").'</div>';
             // print_r($_FILES);
         }
@@ -114,10 +114,19 @@ if ($objectid > 0)
 	if ($act->fetch($objectid))
 	{
 		$upload_dir = $conf->actions->dir_output.'/'.sanitizeFileName($objectid);
+
+		$company=new Societe($db);
+		$company->fetch($act->societe->id);
+		$act->societe=$company;
 		
-		$res=$act->societe->fetch($act->societe->id);
-		$res=$act->author->fetch();     // Le paramètre est le login, hors seul l'id est chargé.
-		$res=$act->contact->fetch($act->contact->id);
+		$author=new User($db);
+		$author->id=$act->author->id;
+		$author->fetch();
+		$act->author=$author;
+
+		$contact=new Contact($db);
+		$contact->fetch($act->contact->id);
+		$act->contact=$contact;
 	
 		$h=0;
 	
diff --git a/htdocs/comm/action/fiche.php b/htdocs/comm/action/fiche.php
index ad414e63577..d81ea3d97d0 100644
--- a/htdocs/comm/action/fiche.php
+++ b/htdocs/comm/action/fiche.php
@@ -610,10 +610,10 @@ if ($_GET["id"])
 	}
 	$act->societe = $societe;
 
-    if ($act->author->id > 0)   $res=$act->author->fetch();     // Le parametre est le login, hors seul l'id est charge.
-    if ($act->usermod->id > 0)  $res=$act->usermod->fetch();    
-    if ($act->usertodo->id > 0) $res=$act->usertodo->fetch();   
-    if ($act->userdone->id > 0) $res=$act->userdone->fetch();
+    if ($act->author->id > 0)   { $tmpuser=new User($db); $tmpuser->id=$act->author->id;   $res=$tmpuser->fetch(); $act->author=$tmpuser; }
+    if ($act->usermod->id > 0)  { $tmpuser=new User($db); $tmpuser->id=$act->usermod->id;  $res=$tmpuser->fetch(); $act->usermod=$tmpuser; }
+    if ($act->usertodo->id > 0) { $tmpuser=new User($db); $tmpuser->id=$act->usertodo->id; $res=$tmpuser->fetch(); $act->usertodo=$tmpuser; }
+    if ($act->userdone->id > 0) { $tmpuser=new User($db); $tmpuser->id=$act->userdone->id; $res=$tmpuser->fetch(); $act->userdone=$tmpuser; }
 
 	$contact = new Contact($db);
 	if ($act->contact->id)
diff --git a/htdocs/comm/action/index.php b/htdocs/comm/action/index.php
index 678f7c41bc0..a364867e38a 100644
--- a/htdocs/comm/action/index.php
+++ b/htdocs/comm/action/index.php
@@ -119,10 +119,10 @@ $next = dol_get_next_month($month, $year);
 $next_year  = $next['year'];
 $next_month = $next['month'];
 
-$max_day_in_prev_month = date("t",dolibarr_mktime(0,0,0,$prev_month,1,$prev_year));
-$max_day_in_month = date("t",dolibarr_mktime(0,0,0,$month,1,$year));
+$max_day_in_prev_month = date("t",dolibarr_mktime(0,0,0,$prev_month,1,$prev_year));	// Nb of days in previous month
+$max_day_in_month = date("t",dolibarr_mktime(0,0,0,$month,1,$year));				// Nb of days in next month
 $tmpday = -date("w",dolibarr_mktime(0,0,0,$month,1,$year))+2;
-if ($tmpday > 1) $tmpday -= 7;
+if ($tmpday >= 1) $tmpday -= 7;
 $firstdaytoshow=dolibarr_mktime(0,0,0,$prev_month,$max_day_in_prev_month+$tmpday,$prev_year);
 $next_day=7-($max_day_in_month+1-$tmpday)%7;
 if ($next_day < 6) $next_day+=7;
@@ -404,6 +404,8 @@ if ($_GET["action"] != 'show_day')
 	echo '  <td align="center">'.$langs->trans("Saturday")."</td>\n";
 	echo '  <td align="center">'.$langs->trans("Sunday")."</td>\n";
 	echo " </tr>\n";
+	
+	// In loops, tmpday contains day nb in current month (can be negative for days of previous month)
 	for($iter_week = 0; $iter_week < 6 ; $iter_week++)
 	{
 		echo " <tr>\n";
diff --git a/htdocs/comm/action/info.php b/htdocs/comm/action/info.php
index e2caa1e315c..b3770536757 100644
--- a/htdocs/comm/action/info.php
+++ b/htdocs/comm/action/info.php
@@ -31,7 +31,7 @@ require_once(DOL_DOCUMENT_ROOT."/actioncomm.class.php");
 
 $langs->load("commercial");
 
-// Sécurité accés client
+// Security check
 if ($user->societe_id > 0) 
 {
   $action = '';
@@ -49,9 +49,6 @@ llxHeader();
 $act = new ActionComm($db);
 $act->fetch($_GET["id"]);
 $act->info($_GET["id"]);
-$res=$act->societe->fetch($act->societe->id);
-$res=$act->author->fetch();     // Le paramètre est le login, hors seul l'id est chargé.
-$res=$act->contact->fetch($act->contact->id);
 
 $h=0;
 
@@ -78,7 +75,7 @@ print '</td></tr></table>';
 
 print '</div>';
 
-// Juste pour éviter bug IE qui réorganise mal div précédents si celui-ci absent
+// Juste pour �viter bug IE qui r�organise mal div pr�c�dents si celui-ci absent
 print '<div class="tabsAction">';
 print '</div>';
 
diff --git a/htdocs/user.class.php b/htdocs/user.class.php
index c4d095c3f51..b263062ec98 100644
--- a/htdocs/user.class.php
+++ b/htdocs/user.class.php
@@ -116,6 +116,14 @@ class User extends CommonObject
 		return 1;
 	}
 
+	
+	/* Polymorph functions not allowed in PHP
+	function fetch($id)
+	{
+		$this->id=$id;
+		$this->fetch();	
+	}
+	*/
 
 	/**
 	 *	\brief      Charge un objet user avec toutes ces caracteristiques depuis un id ou login