Code: Alles auswählen
<div id="selectbox" style="display:none">
<select size="1" name="unterkategorie">
<option selected></option>
<option></option>
</select>
</div>
<div id="textbox" style="display:none">
<input type="text" name="extension" value="" size="40" maxlength="40"/>
</div>
Code: Alles auswählen
$('selectbox').hide();
$('textbox').show();