document.observe('dom:loaded', function(e) {
	$('centre').observe('change',function(e) {
		Event.stop(e);
		location.href = SITE_URL+'timetables/'+$('centre').getValue()+'/all/';
	});
	$('timetable-selector').observe('submit',function(e) {
		Event.stop(e);
		location.href = SITE_URL+'timetables/'+$('centre').getValue()+'/'+$('id').getValue()+'/?date='+$('date').getValue()+'&week=1';
	});
	
});