During a couple of days i face the problem that the search functions doesn't work anymore.
When i click i.e. "View active topics" in the upper site of the screen i only get a blanco page (firefox).
When use Internet explorer i get the message:
"Cannot display this site HTTP 500. HTTP-error 500- internal server error http://www.navitotal.com/active-topics.html
The same by the other four "view" buttons on the top of the screen
Tried with different PC"s ...