<tr>
    <td class="tdLabel"><label for="cb.bc" class="label">mylabel:</label></td>
    <td>
<script type="text/javascript">
	function autoPopulate_cb_bc(targetElement) {
		targetElement.form.elements['foo'].value=targetElement.options[targetElement.selectedIndex].value;
	}
</script>
<input type="text" name="foo" value="hello" id="cb.bc"/><br/>
<select onChange="autoPopulate_cb_bc(this);">
    <option value="foo">foo</option>
</select>
    </td>
</tr>
