$(document).ready(function(){
						   
	$('.onchange').bind('change', function() {
		$('#Form_requestForm').ajaxSubmit({
			type: 'POST',
			url: 'richiesta/calculate',
			dataType: 'json',
			success: function(data) {
				$('#amount').html(data.amount);
				$('#discount').html(data.discount);
				$('#totalAmount').html(data.totalAmount);
			}
		});
		return false;
	});
	
});