nl_tokens: Determines whether this object has a request outstanding .
pl_tokens: function ( request ) { if ( ! request ) { request = this . getLatest ( ) ; } if ( ! ( request && request . xhr ) ) { return false ; } // if there is a connection and readyState is not 0 or 4, or in case of BinaryXHR, not 4 var state = request . xhr . readyState ; return ( ( request . xhr instanceof Ext . data . flash . BinaryXhr ) && state != 4 ) || ! ( <mask> === 0 || state == 4 ) ; }