How do I make a special quick style chooser ??

[Andreas]

<select name="styleid" id="mystylechooser" onchange="switch_styleid(this)">
<optgroup label="My Quick Style Chooser">
<option value="1">Style 1</option>
<if condition="$bbuserinfo[userid] == 1">
<option value="2">Style 2</option>
<else />
<if condition="$bbuserinfo[userid] == 3">
<option value="2">Style 3</option>
</if>
</if>
</optgroup>
</select>