nl_tokens: Collapse this node .
pl_tokens: function ( recursive , callback , scope ) { var me = this ; // First we start by checking if this node is a parent if ( ! me . isLeaf ( ) && me . isExpanded ( ) ) { this . fireAction ( 'collapse' , [ me ] , function ( ) { me . set ( 'expanded' , <mask> ) ; Ext . callback ( callback , scope || me , [ me . childNodes ] ) ; } ) ; } else { Ext . callback ( callback , scope || me , [ me . childNodes ] ) ; } }