How can I make this into a dropdown box for myBB post icons?

[SaturnElite]

<tr><td [I]class=[/I]"trow1" [I]style=[/I]"vertical-align: top"><strong>{$lang->post_icon}</strong><br /><span [I]class=[/I]"smalltext"><[I]label[/I]><input [I]type=[/I]"radio" [I]class=[/I]"radio" [I]name=[/I]"icon" [I]value=[/I]"-1"{$no_icons_checked} />{$lang->no_post_icon}</[I]label[/I]></span></td>
<td [I]class=[/I]"trow1" [I]valign=[/I]"top">{$iconlist}</td>
</tr>

idk how

 

[callumacrae]

http://www.google.com/search?q=javascript+dropdown+box

~Callum