This doesn't really make a difference, but the code gets more readable.
if (typeof mkws_config.use_service_proxy === 'undefined')
mkws_config.use_service_proxy = true;
if (typeof mkws_config.use_service_proxy === 'undefined')
mkws_config.use_service_proxy = true;
+// global debug flag
+var mkws_debug;
var pazpar2_url = mkws_config.pazpar2_url ? mkws_config.pazpar2_url : "/pazpar2/search.pz2";
var service_proxy_url = mkws_config.service_proxy_url ? mkws_config.service_proxy_url : "http://mkws.indexdata.com/service-proxy/";
var pazpar2_url = mkws_config.pazpar2_url ? mkws_config.pazpar2_url : "/pazpar2/search.pz2";
var service_proxy_url = mkws_config.service_proxy_url ? mkws_config.service_proxy_url : "http://mkws.indexdata.com/service-proxy/";