<html>
<script language='JavaScript' type='text/javascript'>
<!--
parent.Change('positions','<select style="width: 219px;" name="city_id" onchange="this.form.city.disabled = (this.options[this.selectedIndex].value!=-1)"><option value="-1">Другой. Нет в списке.</select>');
//parent.loadSource('');
parent.document.forms.mdata.city.disabled = (parent.document.forms.mdata.city_id.options[parent.document.forms.mdata.city_id.selectedIndex].value!=-1)
-->
</script>
<body>
</body>
</html>
