diff --git a/htdocs/lib/mysql.lib.php b/htdocs/lib/mysql.lib.php
index 7029acdba80..771ebf2af5b 100644
--- a/htdocs/lib/mysql.lib.php
+++ b/htdocs/lib/mysql.lib.php
@@ -57,8 +57,7 @@ class DoliDb {
 	}
       else
 	{
-	  print "Db->Db() raté<br>\n";
-	  $this->connected = 1;
+	  $this->connected = 0;
 	  return 0;
 	}
       
@@ -88,7 +87,7 @@ class DoliDb {
    */
   Function connect($host, $login, $passwd)
     {
-      $this->db  = mysql_connect($host, $login, $passwd);
+      $this->db  = @mysql_connect($host, $login, $passwd);
       return $this->db;
     }
   /*
@@ -171,6 +170,16 @@ class DoliDb {
       return $this->results;
     }
 
+  /*
+   *
+   */
+  Function list_tables($database)
+  {
+    $this->results = mysql_list_tables($database, $this->db);
+    return  $this->results;
+  }
+
+
   Function result($nb, $fieldname)
     {
       return mysql_result($this->results, $nb, $fieldname);