function calculate()
{
	var form = $('calculate').getParent('form');
	
	request = new Request.HTML({
		'url': Site.Page.getBaseUrl+'/basketpartialbasket.html', 
		'update': $('basketContainer'),
		'link': 'cancel',
		onComplete: function(e) {
			$('calculate').getParent('form').getElements('input.ajax[type=text]').addEvent('change', calculate);
			$('calculate').getParent('form').getElements('select.ajax').addEvent('change', calculate);
			$('calculate').getParent('form').getElement('#send_sms').addEvent('change', calculate);
		}
	});

	request.send(form);
	
	return false;
}

window.addEvent('domready', function() {
	$('calculate').addEvent('click', calculate);
	$('calculate').setStyle('visibility', 'hidden');
	$('calculate').getParent('form').getElements('input.ajax[type=text]').addEvent('change', calculate);
	$('calculate').getParent('form').getElements('select.ajax').addEvent('change', calculate);
	$('calculate').getParent('form').getElement('#send_sms').addEvent('change', calculate);
});