function change_summ(elem)
{
	if(elem.checked==true)
	{
		document.getElementById('summ_block').style.display='block';
		calculate('domestic','att');

	}
	else
	{
		document.getElementById('summ_block').style.display='none';
		calculate('domestic','att');
	}
}

function calculate(area, type)
{
		var url = "http://emspost.ru/api/rest?method=ems.calculate&from=city--moskva&to=" + document.getElementById('tocity').value + "&weight=" + document.getElementById('domweight').value + "&callback=?";
		jQuery.getJSON(url, function(data)
		{
			if ($('#checkbox-id:checked').val() !== undefined) {
				price = parseInt(data.rsp.price) + document.getElementById('summ').value*0.01;
			} else {
				price = parseInt(data.rsp.price);
			}
			jQuery("#domprice").html(price);
			document.getElementById('pricefield').value = price;
//			$('#pricefie]d').val(price);

			jQuery("#domterms").html(data.rsp.term.min + "-" + data.rsp.term.max);
			document.getElementById('termsfield').value = data.rsp.term.min + "-" + data.rsp.term.max;
//			$('input#termsfie]d').val(data.rsp.term.min + "-" + data.rsp.term.max);
		});
}