function price(order) {
var acreage, arh, material, roof, floor

update();

function update(){

	arh_gr = window.document.order.arh;
	for(var i = 0; i < arh_gr.length; i++){
		if(arh_gr[i].checked) arh = arh_gr[i].value;
	}

	material_gr = window.document.order.material;
	for(var i = 0; i < material_gr.length; i++){
		if(material_gr[i].checked) material = material_gr[i].value;
	}

	roof_gr = window.document.order.roof;
	for(var i = 0; i < roof_gr.length; i++){
		if(roof_gr[i].checked) roof = roof_gr[i].value;
	}

	floor_gr = window.document.order.floor;
	for(var i = 0; i < floor_gr.length; i++){
		if(floor_gr[i].checked) floor = floor_gr[i].value;
	}
	num01 = document.getElementById('num01').value;
	if (order.num02.checked){
	var num02 = 1;
	}
	else num02 = 1;
	if (order.num03.checked){
	var num03 = 1.1;
	}
	else num03 = 1;
	if (order.num04.checked){
	var num04 = 0.7;
	}
	else num04 = 1;
	if (order.num05.checked){
	var num05 = 1.1;
	}
	else num05 = 1;
	if (order.num06.checked){
	var num06 = 0.8;
	}
	else num06 = 1;
	if (order.num07.checked){
	var num07 = 1.1;
	}
	else num07 = 1;
	if (order.num08.checked){
	var num08 = 0.9;
	}
	else num08 = 1;
	if (order.num02.checked){
	var num09 = 1;
	}
	else num09 = 1;
	if (order.num10.checked){
	var num10 = 0.95;
	}
	else num10 = 1;
	if (order.num11.checked){
	var num11 = 1;
	}
	else num11 = 1;
	if (order.num12.checked){
	var num12 = 1.1;
	}
	else num12 = 1;
	if (order.num13.checked){
	var num13 = 1.25;
	}
	else num13 = 1;
	if (order.num14.checked){
	var num14 = 1;
	}
	else num14 = 1;
	if (order.num15.checked){
	var num15 = 0.95;
	}
	else num15 = 1;
	if (order.num16.checked){
	var num16 = 0.9;
	}
	else num16 = 1;

		
		sum = (num01*22000)*num02*num03*num04*num05*num06*num07*num08*num09*num10*num11*num12*num13*num14*num15*num16/2;
		sum = Math.round(sum);
		document.getElementById('sum').value = sum + ' руб.';
			
	}

}