nl_tokens: Creates a proxy element of the passed element and positions it in the same position using absolute positioning . The createNavigationBarProxy method uses this to create proxies of the backButton and the title elements .
pl_tokens: function ( <mask> ) { var ghost , x , y , left , width ; ghost = element . dom . cloneNode ( true ) ; ghost . id = element . id + '-proxy' ; //insert it into the toolbar element . getParent ( ) . dom . appendChild ( ghost ) ; //set the x/y ghost = Ext . get ( ghost ) ; x = element . getX ( ) ; y = element . getY ( ) ; left = element . getLeft ( ) ; width = element . getWidth ( ) ; ghost . setStyle ( 'position' , 'absolute' ) ; ghost . setX ( x ) ; ghost . setY ( y ) ; ghost . setHeight ( element . getHeight ( ) ) ; ghost . setWidth ( width ) ; return { x : x , y : y , left : left , width : width , ghost : ghost } ; }