function CountryRegion(country_obj, region_id, city_id) {

	var UpdateURL = '/ajax/region/?country=' + country_obj.value;

	var loading = '<option value=" " >загрузка списка...</option>';
	select_innerHTML($(region_id), loading);
  $(region_id).disabled = true;
	
	new Ajax.Request(UpdateURL, {
			method: 'get',
			onSuccess: function(transport) {
				$(region_id).disabled = false;
				select_innerHTML($(region_id), transport.responseText)
			}
		});
}



function RegionCity(region_obj, city_id) {

	var UpdateURL = '/ajax/region/?region=' + region_obj.value;

	var loading = '<option value=" " >загрузка списка...</option>';
	select_innerHTML($(city_id), loading);
	$(city_id).disabled = true;

	new Ajax.Request(UpdateURL, {
			method: 'get',
			onSuccess: function(transport) {
				$(city_id).disabled = false;
				select_innerHTML($(city_id), transport.responseText)
			}
		});
}