Hi,<br>I think what you are describing are dynamic dependent drop down lists.You can check the link below:<br><br><a href="http://www.huanix.com/files/dependent_select/dependent_select.php">http://www.huanix.com/files/dependent_select/dependent_select.php</a><br>

<br><br>Or download the dropdown.zip script attached and try it.<br><br><br><br>