function fillFN(){
document.all['firmname'].value='частное лицо';
document.all['firmname'].readOnly=true;
document.all['address'].style.display='block';
document.all['faktura'].style.display='none';
document.all['biz'].style.display='block';
document.all['adult'].style.display='block';
//document.all['Submit'].disabled='';
document.all['PriceDiv'].style.display='';
}
function fillFN2(){
document.all['firmname'].value='';
document.all['firmname'].readOnly=false;
document.all['address'].style.display='block';
document.all['faktura'].style.display='block';
document.all['adult'].style.display='none';
document.all['biz'].style.display='block';
//document.all['Submit'].disabled='';
document.all['PriceDiv'].style.display='';
}
 function ltrim( source ){
     var index = 0;
     while( source.charAt(index) == " " ) index++;
     return source.substr(index);
 }

 function rtrim( source ){
     var index = source.length - 1;
     while( source.charAt(index) == " " ) index--;
     return source.substring(0, index + 1);
 }

 function trim( source ){
     return ltrim(rtrim(source));
 }

function check_fio_old(){
var bef=document.all['kontpers'].value;
bef=trim(bef);
bef=bef.replace(',', '');
bef=bef.replace('.', '');
bef=bef.replace('?', '');
bef=bef.replace('!', '');
var s = bef.indexOf('  ');
while(s!=-1) { bef=bef.replace('  ', ' '); s = bef.indexOf('  '); }
var mas=bef.split(' ');
if(mas.length>=2 && mas[1].length>1 && mas[0].length>1){
document.all['Submit'].disabled='';
document.all['plz'].style.color='green';
}else{
document.all['Submit'].disabled='disabled';
document.all['plz'].style.color='red';
}
}

function check_fio(){
var bef=document.all['kontpers'].value;
bef=trim(bef);
bef=bef.replace(',', '');
bef=bef.replace('.', '');
bef=bef.replace('?', '');
bef=bef.replace('!', '');

if(bef.length>=4){
document.all['Submit'].disabled='';
document.all['plz'].style.color='green';
}else{
document.all['Submit'].disabled='disabled';
document.all['plz'].style.color='red';
}
}

function dostavka(per1, D, B){
var newbookprice;
newbookprice=0;
D=eval(D);
B=eval(B);
if(per1=='P'){ newbookprice=D+B}
if(per1=='K'){ newbookprice=D+B }
if(per1=='S'){ newbookprice=B }
document.all["itogo"].value=newbookprice.toFixed(2);
};
function nalogka(f){
var btn=f.elements["RadioGroup1"][1];
var s="";
s=btn.checked;
if(s) {
f.elements["RadioGroup1"][0].checked=true;
};
};

function nalogka2(f){
var btn=f.elements["RadioGroup2"][0];
btn.checked=true;
};

var old = "";

function checkData(f)
{
	fv = parseInt(f.value);
	if(isNaN(fv))
		fv = "";
	if(f.value != old)
		f.value = fv;
	if(fv)
		old = fv;
	was_changed = true;
}