Finished vc builder (although the value change needs finetuning and there are no tests for the menu)
diff --git a/dev/js/src/vc/item.js b/dev/js/src/vc/item.js
index 7922bbd..c05fbad 100644
--- a/dev/js/src/vc/item.js
+++ b/dev/js/src/vc/item.js
@@ -1,43 +1,79 @@
 // Field menu item
-define(['menu/item'], function (itemClass) {
+define(['menu/item', 'util'], function (itemClass) {
+
+  var loc = KorAP.Locale;
+
   return {
+
+    /**
+     * Create new menu item.
+     * Pass two parameters: value and type.
+     * the value may be localized by a name in
+     * KorAP.Locale with the prefix 'VC_',
+     * e.g. 'VC_subTitle'.
+     */
     create : function (params) {
       return Object.create(itemClass)
 	.upgradeTo(this)
 	._init(params);
     },
 
+    // Initialize item object
     _init : function (params) {
       if (params[0] === undefined)
 	throw new Error("Missing parameters");
 
-      this._name  = params[0];
-      this._value = params[1];
-      this._type  = params[2];
+      this._key = params[0];
+      this._type  = params[1];
+
+      var k = this._key;
+      this._name  = loc["VC_" + k] ? loc["VC_" + k] : k;
 
       this._lcField = ' ' + this._name.toLowerCase();
 
       return this;
     },
 
+    /**
+     * Override click event by passing all clicks
+     * to the menu object.
+     */
     onclick : function (e) {
       this.menu().release(
-	this._name,
-	this._value,
+	this._key,
 	this._type
       );
       e.halt();
     },
 
+    /**
+     * Get the name of the item.
+     * This is a potential localized version
+     * of the value.
+     */
     name : function () {
       return this._name;
     },
 
+    /**
+     * Get the type of the item.
+     */
     type : function () {
       return this._type;
     },
 
+    /**
+     * Get the key of the item.
+     */
+    key : function () {
+      return this._key;
+    },
+
+    /**
+     * Get the HTML element associated with the item. 
+     */
     element : function () {
+
       // already defined
       if (this._element !== undefined)
 	return this._element;
@@ -45,7 +81,7 @@
       // Create list item
       var li = document.createElement("li");
       li.setAttribute("data-type", this._type);
-      li.setAttribute("data-value", this._value);
+      li.setAttribute("data-key",  this._key);
 
       // Connect action
       li["onclick"] = this.onclick.bind(this);