function changeForm(form) {
  
   MyForm = window.document.form1;
   
   var oBan = eval("MyForm.bankas");
   var userSelection1 = oBan.options[oBan.selectedIndex].value;
   switch (userSelection1) {
   case "3" :
    form.bankas_kitas.style.display = "block";
    form.bankas_kitas.focus();
    break;
  	default :
    break;
	 }
   
   document.getElementById("mod2tarpas").style.display = "none"
   
   var oMod = eval("MyForm.modelis");
   var userSelection2 = oMod.options[oMod.selectedIndex].value; 
   switch (userSelection2) {
   case "3" :
    form.modelis_kitas.style.display = "block";
    form.modelis_kitas.focus();
    document.getElementById("mod2tarpas").style.display = "inline";
    break;
  	default :
    break;
	 }
	 
	 var oSpal = eval("MyForm.spalva");
   var userSelection3 = oSpal.options[oSpal.selectedIndex].value; 
   switch (userSelection3) {
   case "3" :
    form.spalva_kita.style.display = "block";
    form.spalva_kita.focus();
    break;
  	default :
    break;
	 }
	 
	 var oLiz = eval("MyForm.yra_lizingas");
   var userSelection3 = oLiz.options[oLiz.selectedIndex].value; 
   switch (userSelection3) {
   case "3" :
    form.lizingas.style.display = "block";
    form.lizingas.focus();
    break;
  	default :
    break;
	 }
   
   return;
  } 



function checkForm() {
vardas = document.getElementById("vardas").value;
akodas = document.getElementById("akodas").value;
abudas = document.getElementById("abudas").value;
telefonas = document.getElementById("telefonas").value;
adresas = document.getElementById("adresas").value;
kadresas = document.getElementById("kadresas").value;
modelis = document.getElementById("modelis").value;
mod2 = document.getElementById("mod2").value;
spalva = document.getElementById("spalva").value;
gdeze = document.getElementById("gdeze").value;
dturis = document.getElementById("dturis").value;
degalai = document.getElementById("degalai").value;
pmetai = document.getElementById("pmetai").value;
yra_lizingas = document.getElementById("yra_lizingas").value;
atstovas = document.getElementById("atstovas").value;

MyForm = window.document.form1;
 
if (vardas == "") {
	hideAllErrors();
	document.getElementById("vardasError").style.display = "inline";
	document.getElementById("vardas").select();
	document.getElementById("vardas").focus();
  return false;
  } 
else if (akodas == "") {
	hideAllErrors();
	document.getElementById("akodasError").style.display = "inline";
	document.getElementById("akodas").select();
	document.getElementById("akodas").focus();
  return false;
  } 
else if (document.form1.abudas.options[0].selected) {
	hideAllErrors();
	document.getElementById("abudasError").style.display = "inline";
	document.getElementById("abudas").focus();
  return false;
}
else if (telefonas == "") {
	hideAllErrors();
	document.getElementById("telefonasError").style.display = "inline";
	document.getElementById("telefonas").select();
	document.getElementById("telefonas").focus();
  return false;
}
else if (adresas == "") {
	hideAllErrors();
	document.getElementById("adresasError").style.display = "inline";
	document.getElementById("adresas").select();
	document.getElementById("adresas").focus();
  return false;
}
else if (kadresas == "") {
	hideAllErrors();
	document.getElementById("kadresasError").style.display = "inline";
	document.getElementById("kadresas").select();
	document.getElementById("kadresas").focus();
  return false;
}
else if (document.form1.modelis.options[0].selected) {
	hideAllErrors();
	document.getElementById("modelisError").style.display = "inline";
	document.getElementById("modelis").focus();
  return false;
}
else if (mod2 == "") {
	hideAllErrors();
	document.getElementById("mod2Error").style.display = "inline";
	document.getElementById("mod2").select();
	document.getElementById("mod2").focus();
  return false;
}
else if (document.form1.spalva.options[0].selected) {
	hideAllErrors();
	document.getElementById("spalvaError").style.display = "inline";
	document.getElementById("spalva").focus();
  return false;
}
else if (document.form1.gdeze.options[0].selected) {
	hideAllErrors();
	document.getElementById("gdezeError").style.display = "inline";
	document.getElementById("gdeze").focus();
  return false;
}
else if (dturis == "") {
	hideAllErrors();
	document.getElementById("dturisError").style.display = "inline";
	document.getElementById("dturis").select();
	document.getElementById("dturis").focus();
  return false;
}
else if (document.form1.degalai.options[0].selected) {
	hideAllErrors();
	document.getElementById("degalaiError").style.display = "inline";
	document.getElementById("degalai").focus();
  return false;
}
else if (document.form1.pmetai.options[0].selected) {
	hideAllErrors();
	document.getElementById("pmetaiError").style.display = "inline";
	document.getElementById("pmetai").focus();
  return false;
}
else if (yra_lizingas == 0) {
	hideAllErrors();
	document.getElementById("yra_lizingasError").style.display = "inline";
	document.getElementById("yra_lizingas").focus();
  return false;
}
radioOption = -1
for (counter=0; counter<document.form1.sblokas.length; counter++) {
if (document.form1.sblokas[counter].checked) {
radioOption = counter
}
}
if (radioOption == -1) {
	hideAllErrors();
	document.getElementById("sblokasError").style.display = "inline";
	document.getElementById("sblokas").select();
	document.getElementById("sblokas").focus();
return false;
}
radioOption2 = -1
for (counter=0; counter<document.form1.alaikotarpis.length; counter++) {
if (document.form1.alaikotarpis[counter].checked) {
radioOption2 = counter
}
}
if (radioOption2 == -1) {
	hideAllErrors();
	document.getElementById("alaikotarpisError").style.display = "inline";
	document.getElementById("alaikotarpis").select();
	document.getElementById("alaikotarpis").focus();
return false;
}
if (atstovas == "") {
	hideAllErrors();
	document.getElementById("atstovasError").style.display = "inline";
	document.getElementById("atstovas").select();
	document.getElementById("atstovas").focus();
  return false;
} 
  return true;
}
 
function hideAllErrors() {
document.getElementById("vardasError").style.display = "none"
document.getElementById("akodasError").style.display = "none"
document.getElementById("abudasError").style.display = "none"
document.getElementById("telefonasError").style.display = "none"
document.getElementById("adresasError").style.display = "none"
document.getElementById("kadresasError").style.display = "none"
document.getElementById("modelisError").style.display = "none"
document.getElementById("mod2Error").style.display = "none"
document.getElementById("spalvaError").style.display = "none"
document.getElementById("gdezeError").style.display = "none"
document.getElementById("dturisError").style.display = "none"
document.getElementById("degalaiError").style.display = "none"
document.getElementById("pmetaiError").style.display = "none"
document.getElementById("yra_lizingasError").style.display = "none"
document.getElementById("sblokasError").style.display = "none"
document.getElementById("alaikotarpisError").style.display = "none"
document.getElementById("atstovasError").style.display = "none"
}