function ftvMenu_OnDrop(target, event) {
                        
                        var parentNode;
                        var parentNode;
                        var targetIndex;
                        if (target instanceof CFlyTreeView) {
                            // target=rootdropzone
                            parentNode = target;
                            targetIndex = target.getNodes().length;
                        }
                        else {
                            var parentNode = target.getParent();
                            if (parentNode == null) parentNode = target.getTreeview(); //target=rootobject
                            targetIndex = target.getIndex();
                        }

                        var node = flytreeview_dragObject.value;

                        // If our source and target are the same type, insert at that level
                        // unless the shift key is held down
                        if (
                            node.getNodeTypeID() == target.getNodeTypeID()
                            && event.shiftKey == false
                            ) {
                            node.remove(); // remove first from previous location
                            parentNode.insertNode(node, targetIndex);

                            return false; // to skip default action
                        }
                    }