Ads not working

[xav0989]

I get this error code when adding the ads to my page.

Error: uncaught exception: Operation is not supported (NS_ERROR_DOM_NOT_SUPPORTED_ERR)
Source File: http://x10hosting.com/adserve.js?xav0989
Line: 7

 

[Christopher]

What are you using to add the ad?

 

[xav0989]

I use the personal javascript adds on x10, the website is grafsig.co.cc
I am on stoli.x10

 

[Christopher]

I mean how are you adding the ad?

 

[xav0989]

If you mean how do i add them to the page, well I designed a template system, and the ad code is added atop every page's content.

 

[Christopher]

Is this a templating system you coded or one like smarty?

 

[xav0989]

I coded it myself, based a bit on the one of phpbb3. However, header and footer are hard-coded into the php class.
Edit:
bump!

 

[Christopher]

Where or how is the error appearing?

 

[xav0989]

It appear on my firebug console, on every single page I load.

 

[Christopher]

Ah.
Don't worry about it.

 

[xav0989]

I found the problem! the document.write function isn't supported on xhtml. If my headers are set to xhtml, this function isn't supported. If my headers are set to html, but the page validates as xhtml, document.write is supported!