var exchange = false;

$(document).ready(function(){
	$('#id_currency').change(function(){
		currency_change(false)
	});
	$('#id_commission_action').change(commission_action_change);
	commission_action_change();
	$.getJSON('/webapi/json/currency/pkobp/?q=EUR,USD,CHF', {}, currency_change);
	//currency_change(false);
	$('.roll').css({'display':'none'});
	$('#roll_button').click(function(){
		$('.roll').css({'display':'table-row'});
		$(this).parent().parent().css({'display':'none'});
	});
	$('tr.button').css({'display':'table-row'});
	var targetOffset = $('#wyniki').offset().top;
	$('html,body').animate({scrollTop: targetOffset}, 1000);
});

function commission_action_change()
{
	if ($('#id_commission_action>option:selected').val() != 'add')
		var css = {'display':'none'};
	else
		var css = {'display':'table-row'};
	$('#id_commission_amount').parent().parent().css(css);
}

function currency_change(e)
{
	if (e)
		exchange = e;
	var currency = $('#id_currency>option:selected').val();
	$('#id_buy_rate').val((exchange[currency]['buy']+'').replace('.',','));
	$('#id_sell_rate').val((exchange[currency]['sell']+'').replace('.',','));
}