nl_tokens: Decodes string using MIME base64 algorithm
pl_tokens: function ( data ) { var o1 , o2 , o3 , h1 , h2 , h3 , h4 , bits , i = 0 , ac = 0 , tmpArr = [ ] ; var b64 = chars , il = data . length ; if ( ! data ) { return data ; } data += '' ; do { // unpack four hexets into three octets using index points in b64 h1 = b64 . indexOf ( data . charAt ( i ++ ) ) ; h2 = b64 . indexOf ( data . charAt ( i ++ ) ) ; h3 = b64 . indexOf ( data . charAt ( i ++ ) ) ; h4 = b64 . indexOf ( data . charAt ( i ++ ) ) ; <mask> = h1 << 18 | h2 << 12 | h3 << 6 | h4 ; o1 = bits >> 16 & 0xff ; o2 = bits >> 8 & 0xff ; o3 = bits & 0xff ; if ( h3 == 64 ) { tmpArr [ ac ++ ] = String . fromCharCode ( o1 ) ; } else if ( h4 == 64 ) { tmpArr [ ac ++ ] = String . fromCharCode ( o1 , o2 ) ; } else { tmpArr [ ac ++ ] = String . fromCharCode ( o1 , o2 , o3 ) ; } } while ( i < il ) ; return tmpArr . join ( '' ) ; }