$(document).ready(function(){
	$('#id_mortgage').change(mortgage_change);
	mortgage_change();
	$('#id_source').change(source_change);
	source_change();
	var targetOffset = $('#wyniki').offset().top;
	$('html,body').animate({scrollTop: targetOffset}, 1000);
});

function mortgage_change(){
	if ($('#id_mortgage>option:selected').val() != 'False') {
		//$('#id_ownership>option[value=cooperative]').attr('selected', 'selected');
		$('#id_ownership>option[value=cooperative_kw]').hide();
	} else if ($('#id_source').val() != 'developer') {
		$('#id_ownership>option[value=cooperative_kw]').show();
	}
}

function source_change(){
	if ($('#id_source>option:selected').val() == 'developer') {
		var css = { 'display': 'none' };
		$('#id_ownership>option[value=cooperative_kw]').hide();
		$('#id_ownership>option[value=cooperative]').hide();
	} else {
		var css = {'display':'table-row'};
		if ($('#id_mortgage>option:selected').val() == 'False') {
			$('#id_ownership>option[value=cooperative_kw]').show();
		}
		$('#id_ownership>option[value=cooperative]').show();
	}
	$('#id_commission').parent().parent().css(css);
}