add that the session cookie is site global

data/script/furatalog.sessions.php

@@ -56,7 +56,7 @@ class furatalogSessions {
     }
 
     private function saveCookie() {
-        setcookie("_cookieKey", $this->cookieKey, time() + $this->cookie_duration);
+        setcookie("_cookieKey", $this->cookieKey, time() + $this->cookie_duration, "/");
     }
 
     private function connectDb() {
@@ -87,7 +87,7 @@ class furatalogSessions {
     }
 
     private function deleteCookie() {
-        setcookie("_cookieKey", "", time()-3600);
+        setcookie("_cookieKey", "", time()-3600, "/");
     }
 
     private function deleteData($cookieKey) {