/** This function checks whether the answer and generated security code match
  * @param $mathguard_answer		answer the user has entered
  * @param $mathguard_code		hashcode the mathguard has generated
  */
 function checkResult($mathguard_answer, $mathguard_code, $prime = 37)
 {
     //		echo("prime; $prime, $mathguard_answer");
     $result_encoded = MathGuard::encode($mathguard_answer, $prime);
     if ($result_encoded == $mathguard_code) {
         return true;
     } else {
         return false;
     }
 }