$_POST not working.it aint producing any values

[rags_asr]

  
  <?php
    $query = "Select * from users where username = '$user' ";
    $result = mysql_query($query) or die(mysql_error());
    $row = mysql_fetch_array($result);

    $test = $_POST['test1'];
    $ques = "Select * from questions where testname = '$test' ";
    $qres = mysql_query($ques) or die(mysql_error());
    $qdetails = mysql_fetch_array($qres);
    $id = $qdetails['id'];
    $testname = $qdetails['testname'];
    $ans = "Select * from answers where qid = $id";
    $ares = mysql_query($ans) or die(mysql_error());
    if($qdetails) {
    ?>
    <div class="padding">

    <form name="answerform" action="answer.php" method="POST">
    <h3> </h3>
    <input name="test2" id="test2"  type="text" value="<?php echo $qdetails['testname'];?>"      /><h3><?php echo $qdetails['text'];?></h3>
     <input name="test3" id="test3"  type="text" value="<?php echo      $qdetails['testseries'];?>" /><h3><?php echo $qdetails['text'];?></h3>
    <br />
    <br />
    <br />
    <?php while($opdetails = mysql_fetch_assoc($ares)) { ?>
    <input class="text" id="opt2" name="correctans" type="radio" value="<?php echo $opdetails['text']; ?>" /><br /><?php echo $opdetails['text']; ?>  <?php }?>
    <div class="two-fields clearfix".
    <p class="confirm"> </p>
    </div>
    <input type="submit" value="SUBMIT ANSWER" />
    </form>
    </div>
    </div>
    </div>
<?php }

this is the code for the program where i am creating the fields i want to fetch the data from the input fields with the name test 2 and test 3 in answer.php

 

    $query = "Select score from users where username = '$user' ";
    $result = mysql_query($query) or die(mysql_error());
    $row = mysql_fetch_array($result);
    $user_score = $row['score'];

    print_r($_REQUEST);
    $tester = $_POST['test3'];
    $test = $_POST['test2'];
    print_r($_POST);
    var_dump($_POST);
    $ques = "Select * from questions where testname = '$test' And testseries = '$tester' ";
    $result = mysql_query($ques) or die(mysql_error());
    $row = mysql_fetch_array($result);
    $qid = $row['id'];
    $score = $row['score'];
    if(isset($_POST['correctans']))
    {
    $answer = $_POST['correctans'];
    }
    else
    {
    $answer = '';
    }
    $fetch_ans = "Select * from answers where correct = 1 AND qid = $qid";
    $result = mysql_query($fetch_ans) or die(mysql_error());
    $row = mysql_fetch_array($result);
    $id = $row['id'];
    $correctans = $row['text'];

    if('$correctans' == '$answer')
    {
    $user_score += $score;
    $qid++;
    $query = "Update users set score = $user_score  where username = '$user'";
    $res = mysql_query($query) or die(mysql_error());
    if($res) {
  
header("Location: answer.php");  
    }
    }else
    { 
header("Location: answer.php"); 
    }


    ?>

THIS IS answer.php and here i try to post information from test2 and test3 fields  but i am not getting any output

the output shows blank array()

and unidentified index test2

and unidentified index test3

i am not able to figure out the error

any help will be highly appreciated

and forgive me if i have made any mistakes in posting the question since i am a newbie at PHPFREAKS