Template 18 - error internet explorer 6 and 7

First, sorry for the English ... I am Brazilian

the template 18, is giving the error message in Internet Explorer 6 and 7.
message: "operation aborted"
After the page is locked.
how to repair?
in Firefox and Internet 8, works normally.

even the link in the "preview" of freenicetemplates, the page the error using the Internet 6 or 7.
I need help.

[freenicetemplates]

Hello,

Please send your website URL if you want us to help you.

website: http://www.suporteveloz.totalsfree.com/

viewing the same model at: www.freenicetemplates also gives error "Operation aborted".
only in IE 6 and 7.

Detail: other models of site "freenicetemplates "also gives the same error.

researched the web, it seems that the error is in lightbox or "DOM".

the error may be the method: "appendChild".

[freenicetemplates]

Web don't see this error on ie7. what is your OS please ?

OS: windows vista + IE7

OS:windows XP + IE6