Firefox problem .. I wasn't using the full www.domain.com URL only "domain.com" as I habitually do, and Firefox doesn't like that.
And this was compounded by the fact that I ionly just discovered that the WA file HelperPHP.php has these lines at the top ...
Nice of this file to create the session for me! No wonder I didn't feel in control of my sessions :-)
I just wonder why the code created by the WA Data Assist Search Wizard ALSO includes this, which (quite rightly?) led me to believe that was where it was controlled from ...
Doh, 3 days down the drain for a quirky browser and some tim spend digging in code that should be transparent to me. And the lesson is ... employ someone else to do this for me next time LOL