added dynamic header according to login status

js/headfoot.js

@@ -79,7 +79,7 @@ function head(){
                 let combolink = document.createElement('a');
                 combolink.classList.add("dropdown-item");
                 if(menu[j].combos[k].name == "Projekte" && userAuthenticated()){
-                    combolink.href = menu[j].combos[k].link + "?isAuthenticatedUser=true;
+                    combolink.href = menu[j].combos[k].link + "?isAuthenticatedUser=true";
                 }else{
                     combolink.href = menu[j].combos[k].link;
                 }