function updateDistrictsSelect(cityId)
{
	if(cityId != '0') {
		new Ajax.Updater('district_id', '/settings/district-options?cityId='+cityId, {});
		$('district_id').enable();
	} else {
		$('district_id').disable();
	}
}

function toggleSearchFormAdvanced()
{
	if($('searchFormAdvanced').style.display == 'none') {
		Effect.BlindDown('searchFormAdvanced');
		$('searchFormAdvancedToggler').innerHTML = 'mniej';
		$('advanced').value = 1;
	} else {
		Effect.BlindUp('searchFormAdvanced');
		$('searchFormAdvancedToggler').innerHTML = 'więcej';
		$('advanced').value = 0;
	}
}