$(document).ready(function() {

	// save team_id select values to allow reset
	var clubOptions = $('#team_id option').clone();
	var numberOptions = $('#number option').clone();

	// limit selection to teams for selected club
	$('#club_id').bind('change keyup', function() {
        var val = $(this).val();
        $('#team_id').html(clubOptions.filter('.club-' + val));
    });

	// limit selection to numbers for selected division
	$('#division').bind('change keyup', function() {
		var val = $(this).val();
		$('#number').html(numberOptions.filter('.division-' + val));
	});

	// trigger update
	$('#club_id').trigger('change');
	$('#division').trigger('change');

});