<legend>Auction Type</legend>
<input id="at_freeshipping" type="checkbox" name="at_freeshipping" />
<label for="at_freeshipping">Free Shipping</label>
<input id="at_endssoon" type="checkbox" name="at_endssoon" />
<label for="at_endssoon">Ends soon</label>
<input id="at_zerobids" type="checkbox" name="at_zerobids" />
<label for="at_zerobids">Zero bids</label>