[Zope] Getting the position of an object in a folder

Is there a simple and direct way to get the position of an object in a parent folder without iterating with a dtml-in loop through all the objects of the folder and countring until one gets to the id of the said object? Thanks in advance and my apologies for a newbie question... Pierre Godefroy 52 rue des Archives 75004 PARIS FRANCE Tél. : +33 (0)1 42 74 46 05