original:
<div id="edit-scheme-wrapper" class="form-item">
<label for="edit-scheme">Color set: </label>
<select id="edit-scheme" class="form-select" name="scheme">
</select>
</div>
<?php
$form['schemedelete'] =
array(
'#type' => 'submit',
'path' => 'color/js',
'wrapper' => 'edit-scheme-wrapper',
'method' => 'replace'
),
)?>
AHAH replace does this:
<div id="edit-scheme-wrapper" class="form-item">
<div>
<div id="edit-scheme-wrapper" class="form-item">
<label for="edit-scheme">Color set: </label>
<select id="edit-scheme" class="form-select" name="scheme">
</select>
</div>
</div>
</div>