Why some of the section turn to description instead of id

Hi all,

Refer to image below,

How can i display only id on the document.all[id here]?

I getting issue on customized field & section as below image:
http://oi44.tinypic.com/5tvvjl.jpg

Please advise.

Thank you.

Regards,
Micheale

document.all shows all html elements with a “id” attribute.
All lightbox’s sections have such attribute, so it will be included in document.all