Add JS files

jssource/src_files/include/ytree/TreeView/MenuNode.js

@@ -0,0 +1,24 @@
+/* Copyright (c) 2006 Yahoo! Inc. All rights reserved. */
+
+/**
+ * A menu-specific implementation that differs from TextNode in that only 
+ * one sibling can be expanded at a time.
+ * @extends YAHOO.widget.TextNode
+ * @constructor
+ */
+YAHOO.widget.MenuNode = function(oData, oParent, expanded) {
+	if (oParent) { 
+		this.init(oData, oParent, expanded);
+		this.setUpLabel(oData);
+	}
+
+    /**
+     * Menus usually allow only one branch to be open at a time.
+     * @type boolean
+     */
+	this.multiExpand = false;
+
+};
+
+YAHOO.widget.MenuNode.prototype = new YAHOO.widget.TextNode();
+