my problem & xml with dom in php

[monalisa_smile]

the problem is that there is no problem with the code i don't know what''s happening
briefly that i'm making a bbcode using xml and extract it with dom in php ,
i made the xml file and extracted it with php but when i use this extraction it says that i have an error in the second extraction and it's written right i don't know what's the problem i need it to be made very soon pleeeeeeeeez help the file is in attachments and the db used in

note**: using php5 and should remove the semi colon in front of this line:
extension=php_domxml.dll

pleez anyone help