proxy_read_timeout 300;
	proxy_connect_timeout 300;
	proxy_send_timeout 300;

	map $http_accept_language $header_lang {
		default en-US;
		~*^en-US en-US;
		~*^en en-US;
	        ~*^ar ar;
	        ~*^cs cs;
	        ~*^de de;
	        ~*^es es;
	        ~*^fa fa;
	        ~*^fr fr;
	        ~*^ja ja;
	        ~*^ka ka;
	        ~*^nl nl;
	        ~*^nn nn;
	        ~*^pt pt;
	        ~*^sl sl;
	        ~*^sv sv;
	        ~*^tr tr;
	        ~*^uk uk;
	        ~*^vi vi;
	        ~*^zh zh;
	}

	map $cookie_lang $lang {
		default $header_lang;
		~*^en-US en-US;
		~*^en en-US;
	        ~*^ar ar;
	        ~*^cs cs;
	        ~*^de de;
	        ~*^es es;
	        ~*^fa fa;
	        ~*^fr fr;
	        ~*^ja ja;
	        ~*^ka ka;
	        ~*^nl nl;
	        ~*^nn nn;
	        ~*^pt pt;
	        ~*^sl sl;
	        ~*^sv sv;
	        ~*^tr tr;
	        ~*^uk uk;
	        ~*^vi vi;
	        ~*^zh zh;
	}