<div id='mainpart'>
  <h3>Transfer punktw</h3>
  <form action="index.php?action=transfer" method="post">
  
    <label for="userid">Dla kogo (nazwa uytkownika)</label>
    <select name="userid" id="userid">
      <?php foreach($users as $u):?>
        <option value="<?=$u['id']?>"><?=$u['nazwa']?></option>
      <?php endforeach; ?>
    </select>
    
    <label for="points">Ile punktw</label>
    <input type="number" name="points" id="points" 
          <?= intval($stan_konta) > 0? 
               "value='1' min='1' max='$stan_konta'"
            :  "value='0' disabled='disabled'" ?>
    >   
    <input type="submit" value="Przelij"
      <?= intval($stan_konta) < 1 ? "disabled='disabled'" : ""; ?> 
    >

  </form>
</div>