diff --git a/gui/scripts/interface.JS b/gui/scripts/interface.JS
index 919c435..9cdec0d 100644
--- a/gui/scripts/interface.JS
+++ b/gui/scripts/interface.JS
@@ -2,8 +2,8 @@
 Control the interface!
 */
 
-export default class interface {
-    static define(element_type, element_content, element_id = ``, element_class = ``) {
+export default class UI {
+    static init(element_type, element_content, element_id, element_class) {
         /* Defines a new element.
 
         Parameters:
@@ -22,30 +22,43 @@ export default class interface {
             element_new.id = element_id;
         };
 
-        if (Array.isArray(element_class)) {
-            // for of loop
-            for (const element_class_one of element_class) {
-                element_new.classList.add(element_class_one);
+        if (element_class) {
+            if (Array.isArray(element_class)) {
+                // for of loop
+                for (const element_class_one of element_class) {
+                    element_new.classList.add(element_class_one);
+                }
+            } else if ((typeof element_class).includes(`str`)) {
+                element_new.classList.add(element_class);
             }
-        } else if ((typeof element_class).includes(`str`)) {
-            element_new.classList.add(element_class);
-        }
+        };
 
         return (element_new);
     };
 
-    static add(element_parent, element_type, element_content, element_id = ``, element_class = ``) {
+    static add(element_parent, element_new, element_placement = 1) {
         /* Adds or injects an element.
 
         Parameters:
-            element_parent: The parent element
-            element_type: the element type
-            element_content: the content of the element
-            element_id: the element id
-            element_class: the element class name
+            element_parent: The parent element; may be ID or the element itself
+            element_placement: placement 
+            element_new: the new element
         Returns: the inserted element
         */
 
-        
+        /* If it is the ID */
+        if ((typeof element_parent).includes(`str`)) {
+            element_parent = document.getElementById(element_parent);
+        };
+
+        // Add the element
+        if (element_placement > 0) {
+            element_parent.appendChild(element_new);
+        } else if (element_placement < 0) {
+            element_parent.insertBefore(element_new);
+        };
+
+        // Return the inserted element. 
+        return(element_parent);
     }
 }