menu fixed: links not working

js/headfoot.js

@@ -41,7 +41,7 @@ function head(){
     navelements.id="navelemente";
     let logos = document.createElement('li');
     let link_m4lab = document.createElement('a');
-    link_m4lab.href = "https://www.hft-stuttgart.de/Forschung/M4-Lab/";
+    link_m4lab.href = "https://transfer.hft-stuttgart.de/";
     link_m4lab.innerHTML = "<img src='images/demo/m4lab_logo.jpg' alt='Logo Innovationslabor M4_LAB'>";
     logos.appendChild(link_m4lab);
     for (let i = 1; i<5; i++){
@@ -79,7 +79,7 @@ function head(){
                 combolink.innerHTML = menu[j].combos[k].name;
                 combodiv.appendChild(combolink);
             }
-            headlink.appendChild(combodiv);
+            headitem.appendChild(combodiv);
         }
         headitem.appendChild(headlink);
         navelements.appendChild(headitem);