nl_tokens: Inserts the first node before the second node in this nodes childNodes collection .
pl_tokens: function ( node , refNode , suppressEvents ) { var me = this , index = me . indexOf ( refNode ) , oldParent = node . parentNode , refIndex = index , ps ; if ( ! refNode ) { // like standard Dom, refNode can be null for append return me . appendChild ( node ) ; } // nothing to do if ( node == refNode ) { return false ; } // Make sure it is a record with the NodeInterface node = me . createNode ( node ) ; if ( suppressEvents !== true && me . fireEvent ( "beforeinsert" , me , node , refNode ) === <mask> ) { return false ; } // when moving internally, indexes will change after remove if ( oldParent == me && me . indexOf ( node ) < index ) { refIndex -- ; } // it's a move, make sure we move it cleanly if ( oldParent ) { if ( suppressEvents !== true && node . fireEvent ( "beforemove" , node , oldParent , me , index , refNode ) === false ) { return false ; } oldParent . removeChild ( node ) ; } if ( refIndex === 0 ) { me . setFirstChild ( node ) ; } Ext . Array . splice ( me . childNodes , refIndex , 0 , node ) ; node . parentNode = me ; node . nextSibling = refNode ; refNode . previousSibling = node ; ps = me . childNodes [ refIndex - 1 ] ; if ( ps ) { node . previousSibling = ps ; ps . nextSibling = node ; ps . updateInfo ( ) ; } else { node . previousSibling = null ; } node . updateInfo ( ) ; if ( ! me . isLoaded ( ) ) { me . set ( 'loaded' , true ) ; } // If this node didn't have any childnodes before, update myself else if ( me . childNodes . length === 1 ) { me . set ( 'loaded' , me . isLoaded ( ) ) ; } if ( suppressEvents !== true ) { me . fireEvent ( "insert" , me , node , refNode ) ; if ( oldParent ) { node . fireEvent ( "move" , node , oldParent , me , refIndex , refNode ) ; } } return node ; }