parallax rfid code please help

first of start saying arduino nooby have found community helpful!
i found code read rfid codes online , works great when try turn led on when card read program not work. seems though should simple not seeing why code doesnt work please if can.

code: [select]

// modified worapoht k.
#include <softwareserial.h>

int  val = 0;
char code[10];
int bytesread = 0;
char stephen[11]="8400338a85";

#define rxpin 5
#define txpin 9
// rfid reader sout pin connected serial rx pin @ 2400bps pin8

void setup()
{
 serial.begin(2400);  // hardware serial monitor 2400bps

 pinmode(2,output);       // set digital pin 2 output connect rfid /enable pin
pinmode(13,output);
digitalwrite(2, low);    // activate rfid reader
}


void loop()
{
 softwareserial rfid = softwareserial(rxpin,txpin);
 rfid.begin(2400);

 if((val = rfid.read()) == 10)
 {   // check header
   bytesread = 0;
   while(bytesread<10)
   {  // read 10 digit code
     val = rfid.read();
     if((val == 10)||(val == 13))
     {  // if header or stop bytes before 10 digit reading
       break;                       // stop reading
     }
     code[bytesread] = val;         // add digit          
     bytesread++;                   // ready read next digit  
   }

   if(bytesread == 10)
   {  // if 10 digit read complete
     serial.print("tag code is: ");   // possibly tag
     serial.println(code);            // print tag code
   }
   bytesread = 0;
   delay(500);                       // wait second
 }
 if(code==stephen)
 {
   digitalwrite(13,high);
 }
}
thank in advance help!

i take you've read this: http://arduino.cc/playground/learning/prfid

replace serial.print in example if statement see if it's right tag code, , digitalwrite(13, high); or something.

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