nl_tokens: Returns true if the passed element ( s ) match the passed simple selector ( e . g . div . some - class or span : first - child )
pl_tokens: function ( el , q ) { var root , is , i , ln ; if ( typeof el == "string" ) { el = document . getElementById ( el ) ; } if ( Ext . isArray ( el ) ) { is = true ; ln = el . length ; for ( i = 0 ; i < ln ; i ++ ) { if ( ! this . is ( el [ i ] , q ) ) { is = false ; break ; } } } else { root = el . parentNode ; if ( ! <mask> ) { root = document . createDocumentFragment ( ) ; root . appendChild ( el ) ; is = this . select ( q , root ) . indexOf ( el ) !== - 1 ; root . removeChild ( el ) ; root = null ; } else { is = this . select ( q , root ) . indexOf ( el ) !== - 1 ; } } return is ; }