docs: function(node, dragElements) {
        node._private.grabbed = true;
        node._private.rscratch.inDragLayer = true;
  
        dragElements.push(node);
  
        for (var i=0;i<node._private.edges.length;i++) {
          node._private.edges[i]._private.rscratch.inDragLayer = true;
        }
  
        //node.trigger(new $$.Event(e, {type: 'grab'}));
      }