I am creating a faq panel for there can be multiple answers for question and i want to take the answer id .because i am storing comment by answer id

the problem is that how to sent the $answer_id to the comment_submit_process.php and how to recognize the answer ?

$selected_ques= mysql_prep($_GET['ques']);
   $query = "SELECT * FROM formanswer where question_id = {$selected_ques}";
    $ans=  mysql_query($query);
    if($ans){
       while($answer = mysql_fetch_array($ans))  

           //here is the form  
        <form id="add-comment" action="comment_submit_process.php" >
         <textarea   class="comment-submit-textarea" cols="78" name="comment" style="height: 64px;"></textarea>
         <input type="submit" name="submitbutton" value="Add Comment" class="comment-submit-button"  >

         <br> <?php
         $ans_id= $answer['id']; 
         echo $ans_id;
         ?>

            <input type="hidden" name="ques" value="<?php echo $_GET['$ans_id'] ?>" />
         <span class="counter ">enter at least 15 characters</span>
         <span class="form-error"></span>
     </form>

<?php }} ?>