diff --git a/htdocs/lib/mysql.lib.php b/htdocs/lib/mysql.lib.php
index 6cfdf4bd5ad..a7e17d58b62 100644
--- a/htdocs/lib/mysql.lib.php
+++ b/htdocs/lib/mysql.lib.php
@@ -469,9 +469,11 @@ class DoliDb {
     }
 
 		
-function getdsn()
+function getdsn($db_type,$db_user,$db_pass,$db_host,$dbname)
 		{
-		  $pear = $dolibarr_main_db_type.'://'.$dolibarr_main_db_user.':'.$dolibarr_main_db_pass.'@'.$dolibarr_main_db_host.'/'.$dolibarr_main_db_name;
+		  $pear = $db_type.'://'.$db_user.':'.$db_pass.'@'.
+			$db_host.'/'.$db_name;
+			
 			return $pear;
 		}
 }
diff --git a/htdocs/lib/pgsql.lib.php b/htdocs/lib/pgsql.lib.php
index 68cb483df4e..1b53536bf8a 100644
--- a/htdocs/lib/pgsql.lib.php
+++ b/htdocs/lib/pgsql.lib.php
@@ -488,11 +488,13 @@ class DoliDb {
 			return pg_affected_rows($this->db); 
     }
 
-	function getdsn()
-		{
-		  $pear = $dolibarr_main_db_type.'://'.$dolibarr_main_db_user.':'.$dolibarr_main_db_pass.'@'.$dolibarr_main_db_host.'/'.$dolibarr_main_db_name;
-			return $pear;
-		}
-	
+	function getdsn($db_type,$db_user,$db_pass,$db_host,$dbname)
+	{
+		$pear = $db_type.'://'.$db_user.':'.$db_pass.'@'.
+		$db_host.'/'.$db_name;
+			
+		return $pear;
+	}
+			
 }
 ?>
diff --git a/htdocs/main.inc.php b/htdocs/main.inc.php
index 5029db29998..18a48f8965f 100644
--- a/htdocs/main.inc.php
+++ b/htdocs/main.inc.php
@@ -129,19 +129,21 @@ else
       require_once DOL_DOCUMENT_ROOT."/includes/pear/Auth/Auth.php";
 
       $params = array(
-		      "dsn" => $conf->db->getdsn(),
+//		      "dsn" => $conf->db->getdsn(),
+		      "dsn" => $db->getdsn($dolibarr_main_db_type,$dolibarr_main_db_user,$dolibarr_main_db_pass,$dolibarr_main_db_host,$dolibarr_main_db_name),
 		      "table" => MAIN_DB_PREFIX."user",
 		      "usernamecol" => "login",
 		      "passwordcol" => "pass",
 		      "cryptType" => "none",
 		      );
-
+			
       $aDol = new DOLIAuth("DB", $params, "loginfunction");
       $aDol->start();
       $result = $aDol->getAuth();
       if ($result)
 	{ 
         // Authentification Auth OK, on va chercher les infos du user
+				dolibarr_syslog ("auth demarre va chercher les infos du user");
         $user->fetch($aDol->getUsername());
 	}
       else