Here is the URL to the page where the cookie is set:
If you then click on one of the links in the list of communities you'll be taken to the page where the cookie is received.
Here is a realtor site that is not on WP using the same script (with a slight variation only in variables) so you can see the content that should be called and the same script in place:
(Heritage Palms gives the best example)
Thanks in advance for any pointers or suggestions!