nl_tokens: Handles fading related nodes to the given targetNode if there is no currently selected node .
pl_tokens: function onNodeMouseOverOut ( nodes , links , enter , targetNode ) { // If there is an existing selected node then exit early. if ( isNodeSelected ( ) ) { return ; } // Select / highlight related nodes or remove attributes based on enter state. fadeRelatedNodes ( targetNode , enter , nodes , <mask> ) ; }