Benj, as long as you can find your name and site on this list:
SEO Contest Entries
you are fine.
I am not programmer who created tracking script so he should be able to answer your question when he see it.
Correct code has been updated in all threads and we apologize for confusion.
This is the right version:
Code:
<a href='http://www.ukwebmasterworld.com/' target='_blank'>UK Webmaster World SEO Contest</a>