var re=/\d+/
function proverka(form) {
 if (re=="") {
return false
}
if (re.test(form.value)) {
return true
}
else {
alert("Введите число")
form.focus()
form.selected()
return false
 }
}
function price(form){
var dlina=(form.dlina.value);
var shirina=(form.shirina.value);
var total = dlina*shirina;
form.ttogo.value=total;
}
function ochistit(form) {
dlina=(form.dlina.value=" ")
shirina=(form.shirina.value=" ")
ttogo=(form.ttogo.value=" ")
}
function ochistitone(form) {
ploshad=(form.ploshad.value=" ")
itogo=(form.itogo.value=" ")
proiz=(form.proiz.value=" ")
var r = document.getElementById('frt'); 
r.style.display='none';
}
function priceone(form){
	var ploshad=(form.ploshad.value);
	if (ploshad <= 1){
if (form.faktura[0].selected){
var faktura=8.5;
form.proiz.value="1 день";
}
else if (form.faktura[1].selected) {
var faktura=15.5;
form.proiz.value="1 день";
}
else if (form.faktura[2].selected) {
var faktura=29;
form.proiz.value="1 день";
}
else if (form.faktura[3].selected) {
var faktura=22;
form.proiz.value="2 дня";
}
else if (form.faktura[4].selected) {
var faktura=11;
form.proiz.value="1 день";
}
else if (form.faktura[5].selected) {
var faktura=12.5;
form.proiz.value="1 день";
}
else if (form.faktura[6].selected) {
var faktura=12;
form.proiz.value="2 дня";
}
else if (form.faktura[7].selected) {
var faktura=6.5;
form.proiz.value="1 день";
}
else if (form.faktura[8].selected) {
var faktura=33;
form.proiz.value="3 дня";
}

var total = faktura;
form.itogo.value=total;
 }

else if (ploshad <= 10){
	if (form.faktura[0].selected){
var faktura=8.5;
form.proiz.value="1 день";
}
else if (form.faktura[1].selected) {
var faktura=15.5;
form.proiz.value="1 день";
}
else if (form.faktura[2].selected) {
var faktura=29;
form.proiz.value="1 день";
}
else if (form.faktura[3].selected) {
var faktura=22;
form.proiz.value="2 дня";
}
else if (form.faktura[4].selected) {
var faktura=11;
form.proiz.value="1 день";
}
else if (form.faktura[5].selected) {
var faktura=12.5;
form.proiz.value="1 день";
}
else if (form.faktura[6].selected) {
var faktura=12;
form.proiz.value="2 дня";
}
else if (form.faktura[7].selected) {
var faktura=6.5;
form.proiz.value="1 день";
}
else if (form.faktura[8].selected) {
var faktura=33;
form.proiz.value="3 дня";
}

var total = ploshad*faktura;
form.itogo.value=total;
 }

else if (ploshad > 10 && ploshad <=50){
	if (form.faktura[0].selected){
var faktura=8;
form.proiz.value="1-2 дня";
}
else if (form.faktura[1].selected) {
var faktura=15;
form.proiz.value="1-2 дня";
}
else if (form.faktura[2].selected) {
var faktura=28;
form.proiz.value="1-2 дня";
}
else if (form.faktura[3].selected) {
var faktura=20;
form.proiz.value="2-3 дня";
}
else if (form.faktura[4].selected) {
var faktura=10;
form.proiz.value="1-2 дня";
}
else if (form.faktura[5].selected) {
var faktura=11.5;
form.proiz.value="1-2 дня";
}
else if (form.faktura[6].selected) {
var faktura=11;
form.proiz.value="2-3 дня";
}
else if (form.faktura[7].selected) {
var faktura=5.8;
form.proiz.value="1-2 дня";
}
else if (form.faktura[8].selected) {
var faktura=31;
form.proiz.value="3-4 дня";
}


var total = ploshad*faktura;
form.itogo.value=total;
 }
 else if (ploshad > 50){
	if (form.faktura[0].selected){
var faktura=7.5;
form.proiz.value="от 3 дней";
}
else if (form.faktura[1].selected) {
var faktura=14;
form.proiz.value="от 3 дней";
}
else if (form.faktura[2].selected) {
var faktura=27;
form.proiz.value="от 3 дней";
}
else if (form.faktura[3].selected) {
var faktura=18;
form.proiz.value="от 3 дней";
}
else if (form.faktura[4].selected) {
var faktura=9;
form.proiz.value="от 3 дней";
}
else if (form.faktura[5].selected) {
var faktura=10;
form.proiz.value="от 3 дней";
}
else if (form.faktura[6].selected) {
var faktura=10;
form.proiz.value="от 3 дней";
}
else if (form.faktura[7].selected) {
var faktura=5.5;
form.proiz.value="от 3 дней";
}
else if (form.faktura[8].selected) {
var faktura=28;
form.proiz.value="от 3 дней";
}


var total = ploshad*faktura;
form.itogo.value=total; 
 }
}