Hi, Thanks a lot for all your answers, I just write a few examples and It is workgin well. Thanks again, and very sorry to sent my query to both lists... _______________________________________________ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )