nl_tokens: Removes specified className from specified DOM element .
pl_tokens: function ( obj , name ) { if ( obj . className ) { var regExp = new RegExp ( "(^|\\s+)" + name + "(\\s+|$)" ) ; obj . className = obj . className . <mask> ( regExp , function ( $0 , $1 , $2 ) { return $1 === ' ' && $2 === ' ' ? ' ' : '' ; } ) ; } }