diff --git a/htdocs/core/db/DoliDB.class.php b/htdocs/core/db/DoliDB.class.php
index f9ce1884a0c..43b05aea150 100644
--- a/htdocs/core/db/DoliDB.class.php
+++ b/htdocs/core/db/DoliDB.class.php
@@ -61,5 +61,37 @@ abstract class DoliDB
 
     public $ok;
     public $error;
+
+
+
+	/**
+	 * Define sort criteria of request
+	 *
+	 * @param	string	$sortfield  List of sort fields
+	 * @param	string	$sortorder  Sort order
+	 * @return	string      		String to provide syntax of a sort sql string
+	 */
+	function order($sortfield=0,$sortorder=0)
+	{
+		if ($sortfield)
+		{
+			$return='';
+			$fields=explode(',',$sortfield);
+			foreach($fields as $val)
+			{
+				if (! $return) $return.=' ORDER BY ';
+				else $return.=',';
+
+				$return.=preg_replace('/[^0-9a-z_\.]/i','',$val);
+                if ($sortorder) $return.=' '.preg_replace('/[^0-9a-z]/i','',$sortorder);
+			}
+			return $return;
+		}
+		else
+		{
+			return '';
+		}
+	}
+
 }
 
diff --git a/htdocs/core/db/mssql.class.php b/htdocs/core/db/mssql.class.php
index 597cc8e7c53..c50a7ed8925 100644
--- a/htdocs/core/db/mssql.class.php
+++ b/htdocs/core/db/mssql.class.php
@@ -239,7 +239,7 @@ class DoliDBMssql extends DoliDB
 	{
 		return '';
 	}
-	
+
     /**
      *  Close database connexion
      *
@@ -525,37 +525,6 @@ class DoliDBMssql extends DoliDB
 	}
 
 
-	/**
-	 * Define sort criteria of request
-	 *
-	 * @param	string	$sortfield  List of sort fields
-	 * @param	string	$sortorder  Sort order
-	 * @return	string      		String to provide syntax of a sort sql string
-	 * TODO	Mutualized this into a mother class
-	 */
-	function order($sortfield=0,$sortorder=0)
-	{
-		if ($sortfield)
-		{
-			$return='';
-			$fields=explode(',',$sortfield);
-			foreach($fields as $val)
-			{
-				if (! $return) $return.=' ORDER BY ';
-				else $return.=',';
-
-				$return.=preg_replace('/[^0-9a-z_\.]/i','',$val);
-				if ($sortorder) $return.=' '.preg_replace('/[^0-9a-z]/i','',$sortorder);
-			}
-			return $return;
-		}
-		else
-		{
-			return '';
-		}
-	}
-
-
 	/**
 	 *	Escape a string to insert data
 	 *
diff --git a/htdocs/core/db/mysql.class.php b/htdocs/core/db/mysql.class.php
index ce1f6b9e3ea..86100d6d7d3 100644
--- a/htdocs/core/db/mysql.class.php
+++ b/htdocs/core/db/mysql.class.php
@@ -257,7 +257,7 @@ class DoliDBMysql extends DoliDB
 	{
 		return explode('.',$this->getVersion());
 	}
-	
+
 	/**
 	 *	Return version of database client driver
 	 *
@@ -267,7 +267,7 @@ class DoliDBMysql extends DoliDB
 	{
 		return mysqli_get_client_info();
 	}
-	
+
 
     /**
      *  Close database connexion
@@ -506,37 +506,6 @@ class DoliDBMysql extends DoliDB
 	}
 
 
-	/**
-	 * Define sort criteria of request
-	 *
-	 * @param	string	$sortfield  List of sort fields
-	 * @param	string	$sortorder  Sort order
-	 * @return	string      		String to provide syntax of a sort sql string
-	 * TODO	Mutualized this into a mother class
-	 */
-	function order($sortfield=0,$sortorder=0)
-	{
-		if ($sortfield)
-		{
-			$return='';
-			$fields=explode(',',$sortfield);
-			foreach($fields as $val)
-			{
-				if (! $return) $return.=' ORDER BY ';
-				else $return.=',';
-
-				$return.=preg_replace('/[^0-9a-z_\.]/i','',$val);
-                if ($sortorder) $return.=' '.preg_replace('/[^0-9a-z]/i','',$sortorder);
-			}
-			return $return;
-		}
-		else
-		{
-			return '';
-		}
-	}
-
-
 	/**
 	 *	Escape a string to insert data
 	 *
diff --git a/htdocs/core/db/mysqli.class.php b/htdocs/core/db/mysqli.class.php
index 8a653fc6579..4cc57a880b8 100644
--- a/htdocs/core/db/mysqli.class.php
+++ b/htdocs/core/db/mysqli.class.php
@@ -262,7 +262,7 @@ class DoliDBMysqli extends DoliDB
     {
     	return mysqli_get_client_info($this->db);
     }
-    
+
 
     /**
      *  Close database connexion
@@ -508,37 +508,6 @@ class DoliDBMysqli extends DoliDB
     }
 
 
-    /**
-     * Define sort criteria of request
-     *
-     * @param	string	$sortfield  List of sort fields
-     * @param	string	$sortorder  Sort order
-     * @return	string      		String to provide syntax of a sort sql string
-     * TODO	Mutualized this into a mother class
-     */
-    function order($sortfield=0,$sortorder=0)
-    {
-        if ($sortfield)
-        {
-            $return='';
-            $fields=explode(',',$sortfield);
-            foreach($fields as $val)
-            {
-                if (! $return) $return.=' ORDER BY ';
-                else $return.=',';
-
-				$return.=preg_replace('/[^0-9a-z_\.]/i','',$val);
-                if ($sortorder) $return.=' '.preg_replace('/[^0-9a-z]/i','',$sortorder);
-            }
-            return $return;
-        }
-        else
-        {
-            return '';
-        }
-    }
-
-
     /**
      *	Escape a string to insert data
      *
diff --git a/htdocs/core/db/pgsql.class.php b/htdocs/core/db/pgsql.class.php
index cb63f012114..531427b9547 100644
--- a/htdocs/core/db/pgsql.class.php
+++ b/htdocs/core/db/pgsql.class.php
@@ -724,37 +724,6 @@ class DoliDBPgsql extends DoliDB
 	}
 
 
-	/**
-	 * Define sort criteria of request
-	 *
-	 * @param	string	$sortfield  List of sort fields
-	 * @param	string	$sortorder  Sort order
-	 * @return	string      		String to provide syntax of a sort sql string
-	 * TODO		Mutualized this into a mother class
-	 */
-	function order($sortfield=0,$sortorder=0)
-	{
-		if ($sortfield)
-		{
-			$return='';
-			$fields=explode(',',$sortfield);
-			foreach($fields as $val)
-			{
-				if (! $return) $return.=' ORDER BY ';
-				else $return.=',';
-
-				$return.=preg_replace('/[^0-9a-z_\.]/i','',$val);
-                if ($sortorder) $return.=' '.preg_replace('/[^0-9a-z]/i','',$sortorder);
-			}
-			return $return;
-		}
-		else
-		{
-			return '';
-		}
-	}
-
-
 	/**
 	 *   Escape a string to insert data
 	 *
diff --git a/htdocs/core/db/sqlite.class.php b/htdocs/core/db/sqlite.class.php
index 5ef26e52885..37460f0e23c 100644
--- a/htdocs/core/db/sqlite.class.php
+++ b/htdocs/core/db/sqlite.class.php
@@ -391,8 +391,8 @@ class DoliDBSqlite extends DoliDB
     {
     	return '';
     }
-    
-    
+
+
     /**
      *  Close database connexion
      *
@@ -647,37 +647,6 @@ class DoliDBSqlite extends DoliDB
     }
 
 
-	/**
-	 * Define sort criteria of request
-	 *
-	 * @param	string	$sortfield  List of sort fields
-	 * @param	string	$sortorder  Sort order
-	 * @return	string      		String to provide syntax of a sort sql string
-	 * TODO	Mutualized this into a mother class
-	 */
-    function order($sortfield=0,$sortorder=0)
-    {
-        if ($sortfield)
-        {
-            $return='';
-            $fields=explode(',',$sortfield);
-            foreach($fields as $val)
-            {
-                if (! $return) $return.=' ORDER BY ';
-                else $return.=',';
-
-				$return.=preg_replace('/[^0-9a-z_\.]/i','',$val);
-                if ($sortorder) $return.=' '.preg_replace('/[^0-9a-z]/i','',$sortorder);
-            }
-            return $return;
-        }
-        else
-        {
-            return '';
-        }
-    }
-
-
 	/**
 	 *	Escape a string to insert data
 	 *