Cambiare colore quando seleziono un "radio"

[lucavizzi]

while ($row = mysql_fetch_array($result)){
   ?>
   <td colspan="2">
      <input type="radio" name="material2"  value="<?=$row["id"]?>"  onclick="this.parentNode.style.backgroundColor='#fff'">
      <?=$row["material2"]?>
   </td>
   <?php
}