CMSB search not working

Hi,

  I have been using CMSB for quite some time without issue, and today noticed that the search is not working as intended.

http://www.abacoestateservices.com/bahamasrealestate/search.php

if you click search without entering any criteria it works, or if you use the checkboxes or the single item criteria.  if you choose anything with a range such as min and max price, min and max beds, etc... the search fails.

I havent changed anything in the code that was working previously so I am stumped.

any ideas are greatly appreciated.

thanks