Is it possible using .htaccess mod_rewrite it away the extra "cx=015572794238100595412%3A7hqjv1qrxta&cof=FORID%3A11&q=" that is shown in the URL with every search result for the Google Custom Search Engine?
well, its certainly possible, but the question is, do you have access to the root of the Google server to put the .htaccess file in place? I suspect not...
Well, it's possible because hosted on our (for eg: http://www.zzmarketing.co.uk/seo-search-engine.php) just need some correct rewrite rule. Only mod_rewrite expert able to help